CN110174504A - Estimating and measuring method, device, equipment and the storage medium of soil respiration - Google Patents
Estimating and measuring method, device, equipment and the storage medium of soil respiration Download PDFInfo
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Abstract
The present invention provides estimating and measuring method, device, equipment and the storage medium of a kind of soil respiration, this method, comprising: passing flux observes website, obtains flux data, flux data includes soil respiration data；Obtain the remotely-sensed data of flux observation website location reason unit；According to flux data and remotely-sensed data, dynamic of soil respiration response model is established；According to dynamic of soil respiration response model, soil respiration is estimated.The estimation to soil respiration is realized, and expands the estimation range of soil respiration.
Description
Technical field
The present invention relates to soil respiration technical field more particularly to a kind of estimating and measuring method of soil respiration, device, equipment and
Storage medium.
Background technique
Soil is the world's second largest carbon storehouse for being only second to ocean, and organic C storage is about 1500*10^9 tons, for land ecology
Carbon balance plays important adjustment effect between system and atmosphere, it is both all kinds of autotrophs by the carbon fixation in atmosphere to land
The carrier of ground, while also carbon source is provided for root system of plant breathing and microbial respiratory on the earth.Soil respiration, i.e., due to root
System's breathing, edaphon breathing and soil animal breathe generated carbon dioxide (CO2) from soil surface it is discharged into atmosphere
In process.On Global Scale, the CO that discharges into the atmosphere every year from soil2Amount, accounts for about ecosystem respiration and discharges to big
CO in gas260%-90%, account for CO in the fixed atmosphere of gross primary productivity240%-60%, almost industrial combustion discharge
CO2Ten times of amount.Soil respiration, which becomes, is only second to the photosynthetic second largest Carbon flux system in terrestrial ecosystems, very
Small variation can all change Atmospheric CO2The balance of concentration.Therefore, soil respiration is that research carbon cycle and greenhouse gases variation can not neglect
Depending on research field.
In order to realize the observation to soil respiration, in the prior art, the mode for establishing the observation of flux website is generallyd use, is adopted
Eddy_covariance technique is that vertical velocity and carbon dioxide and the association that vapour concentration is pulsed are explained using microclimate principle
Variance, thus directly measurement canopy and atmosphere interface carbon water coke slurry, while the ecosystem and the external world are investigated by other equipment
Flux of energy, and then realize the observation to soil respiration.
However, in the prior art, passing flux observes website and measures soil respiration situation, flux observation station can only be observed
Soil respiration situation near point is smaller to the observation scope of soil respiration.
Summary of the invention
The present invention provides estimating and measuring method, device, equipment and the storage medium of a kind of soil respiration, to realize to soil respiration
Estimation, and expand the estimation range of soil respiration.
In a first aspect, the embodiment of the present invention provides a kind of estimating and measuring method of soil respiration, comprising:
Passing flux observes website, obtains flux data, flux data includes soil respiration data.Obtain flux observation station
The remotely-sensed data of geographical unit where point.According to flux data and remotely-sensed data, dynamic of soil respiration response model is established.According to
Dynamic of soil respiration response model, estimates soil respiration.
In the present solution, establishing dynamic of soil respiration response model by according to flux data and remotely-sensed data, and according to soil
Earth breathes dynamic response model, estimates soil respiration, to realize the estimation to soil respiration, and expands soil and exhales
The estimation range of suction.
Optionally, according to flux data and remotely-sensed data, dynamic of soil respiration response model is established, comprising:
Determine the related coefficient between soil respiration data and multiple independent variable factors, the independent variable factor is in remotely-sensed data
One or more data, and/or, one or more data in flux data in addition to soil respiration data, flux data
Including biotic factor data and weather factor data, remotely-sensed data includes land surface temperature data, root region soil moisture data
With spectral vegetation indexes data.Determine that at least one target independent variable factor, the target independent variable factor are multiple independent variable factors
In, the related coefficient between soil respiration data is greater than the independent variable factor of preset threshold.According to soil respiration data and extremely
Few target independent variable factor, establishes at least one dynamic of soil respiration response model.In at least one dynamic of soil respiration
In response model, determine that target soil breathes dynamic response model.
In the present solution, by related coefficient between soil respiration data and the independent variable factor, filter out related coefficient compared with
The high independent variable factor, the dynamic of soil respiration for then establishing soil respiration data between the independent variable factor that filters out respond
Model improves the efficiency for establishing dynamic of soil respiration response model, in addition, being rung by multiple dynamic of soil respiration in foundation
It answers in model, determines that target soil breathes dynamic response model, improve the accuracy rate of target soil breathing dynamic response model.
Optionally, at least one dynamic of soil respiration response model, determine that target soil breathes dynamic response model,
Include:
For at least one dynamic of soil respiration response model, determining for each dynamic of soil respiration response model is obtained respectively
Determine coefficient, root-mean-square error and akaike information criterion.According to the coefficient of determination of each dynamic of soil respiration response model, just
Root error and akaike information criterion determine the goodness of fit of each dynamic of soil respiration response model.It is exhaled according to each soil
The goodness of fit for inhaling dynamic response model determines that target soil breathes dynamic response model.
According to dynamic of soil respiration response model, soil respiration is estimated, comprising: dynamic is breathed according to target soil
Response model estimates soil respiration.
In the present solution, passing through the coefficient of determination, root-mean-square error and Chi Chi according to each dynamic of soil respiration response model
Information rule determines the goodness of fit of each dynamic of soil respiration response model, and is responded according to each dynamic of soil respiration
The goodness of fit of model determines that target soil breathes dynamic response model, then breathes dynamic response model according to target soil,
Soil respiration is estimated, the reliability of target soil dynamic response model is improved, and then improves and soil respiration is estimated
The accuracy of survey.
Optionally, the estimating and measuring method of soil respiration provided by the embodiments of the present application, further includes:
Target soil breathing dynamic response model is verified；It is tested according to target soil breathing dynamic response model
Card breathes dynamic response model as a result, updating target soil.
In the present solution, improving target soil by the way that target soil breathing dynamic response model is verified and updated
Breathe the reliability of dynamic response model.
Optionally, it according to flux data and remotely-sensed data, establishes before dynamic of soil respiration response model, further includes:
Data prediction is carried out to flux data and remotely-sensed data respectively.
In the present solution, improving soil respiration number by carrying out data prediction to soil respiration data and remotely-sensed data
According to the reliability with remotely-sensed data.
Optionally, climatic factor data include one of following data or a variety of: soil temperature data, soil moisture contain
Measure data, air humidity data, rainfall product data, wind direction data, air speed data, steam pressure difference data, different height temperature number
According to.
Biotic factor data include one of following data or a variety of: gross primary productivity data, photosynthetically active radiation
Data.
It is device, equipment, storage medium and computer program product provided by the embodiments of the present application, content and effect below
Fruit can refer to the estimating apparatus of the soil respiration of the embodiment of the present application first aspect offer, repeat no more.
Second aspect, the application provide a kind of estimating apparatus of soil respiration, comprising:
First obtains module, observes website for passing flux, obtains flux data, flux data includes soil respiration number
According to.Second obtains module, for obtaining the remotely-sensed data of flux observation website location reason unit.Module is established, basis is used for
Soil respiration data and remotely-sensed data establish dynamic of soil respiration response model.Estimating module, for according to dynamic of soil respiration
Response model estimates soil respiration.
Optionally, module is established, comprising:
First determines submodule, for determining the related coefficient between soil respiration data and multiple independent variable factors, from
Variable Factors are one of remotely-sensed data or a variety of data, and/or, one of flux data or a variety of data, flux number
According to including biotic factor data and weather factor data, remotely-sensed data includes land surface temperature data, root region soil water fraction
According to spectral vegetation indexes data.Second determines submodule, for determining at least one target independent variable factor, target independent variable
The factor is the independent variable factor of the related coefficient in multiple independent variable factors, between soil respiration data greater than preset threshold.
Setting up submodule, for establishing at least one soil respiration according to soil respiration data and at least one target independent variable factor
Dynamic response model.Third determines submodule, for determining target soil at least one dynamic of soil respiration response model
Breathe dynamic response model.
Optionally, third determines that submodule is specifically used for:
For at least one described dynamic of soil respiration response model, each dynamic of soil respiration response model is obtained respectively
The coefficient of determination, root-mean-square error and akaike information criterion；According to the coefficient of determination of each dynamic of soil respiration response model,
Root-mean-square error and akaike information criterion determine the goodness of fit of each dynamic of soil respiration response model；According to each soil
Earth breathes the goodness of fit of dynamic response model, determines that target soil breathes dynamic response model.
Estimating module is specifically used for: breathing dynamic response model according to target soil, estimates soil respiration.
Optionally, the estimating apparatus of soil respiration provided by the embodiments of the present application, further includes:
Authentication module, for being verified to target soil breathing dynamic response model；Update module, for according to mesh
The verification result of dynamic of soil respiration response model is marked, target soil is updated and breathes dynamic response model.
Optionally, the estimating apparatus of soil respiration provided by the embodiments of the present application, further includes:
Preprocessing module, for carrying out data prediction to flux data and remotely-sensed data respectively.
Optionally, climatic factor data include one of following data or a variety of:
Soil temperature data, soil water content data, air humidity data, rainfall product data, wind direction data, wind speed number
According to, steam pressure difference data, different height temperature record.
Biotic factor data include one of following data or a variety of: gross primary productivity data, photosynthetically active radiation
Data.
The third aspect, the embodiment of the present application provide a kind of equipment, comprising:
Processor；Memory；And computer program；Wherein, computer program is stored in memory, and is matched
It is set to and is executed by processor, computer program includes for executing estimating for the soil respiration of the embodiment of the present application first aspect offer
The instruction of survey method.
Fourth aspect, the embodiment of the present application provide a kind of computer readable storage medium, and computer readable storage medium is deposited
Contain computer program, the soil respiration that computer program makes server execute the embodiment of the present application first aspect offer is estimated
Survey method.
5th aspect, the embodiment of the present application provide a kind of computer program product, comprising: executable instruction can be performed and refer to
The estimating and measuring method of the soil respiration provided for realizing such as the embodiment of the present application first aspect is provided.
Estimating and measuring method, device, equipment and the storage medium of soil respiration provided by the invention, this method comprises: by logical
Discharge observation website obtains flux data, and flux data includes soil respiration data, then obtains flux observation website location reason
The remotely-sensed data of unit, and then according to flux data and remotely-sensed data, dynamic of soil respiration response model is established, finally according to soil
Earth breathes dynamic response model, estimates soil respiration.Due to by establishing soil according to flux data and remotely-sensed data
Dynamic response model is breathed, and according to dynamic of soil respiration response model, soil respiration is estimated, realizes and soil is exhaled
The estimation of suction, and expand the estimation range of soil respiration.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of the estimating and measuring method for the soil respiration that one embodiment of the application provides；
Fig. 2 is the flow diagram of the estimating and measuring method for the soil respiration that another embodiment of the application provides；
Fig. 3 is the flow diagram of the estimating and measuring method for the soil respiration that the another embodiment of the application provides；
Fig. 4 is the structural schematic diagram of the estimating apparatus for the soil respiration that one embodiment of the application provides；
Fig. 5 is the structural schematic diagram of the estimating apparatus for the soil respiration that another embodiment of the application provides；
Fig. 6 is the structural schematic diagram of the estimating apparatus for the soil respiration that the another embodiment of the application provides；
Fig. 7 is the structural schematic diagram of equipment provided by the embodiments of the present application.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
Soil is the world's second largest carbon storehouse for being only second to ocean, and the Carbon balance between terrestrial ecosystems and atmosphere is risen
Important adjustment effect, it is both all kinds of autotrophs by the carrier of the carbon fixation in atmosphere to land, at the same also for ground
Root system of plant breathing, edaphon breathing and soil animal breathing provide carbon source on ball.Soil respiration becomes land ecology
The photosynthetic second largest Carbon flux system is only second in system, very little variation can all change Atmospheric CO2The balance of concentration.Cause
This, soil respiration is that research carbon cycle and greenhouse gases change very important research field.However, in the prior art, passing through
Flux observes website and measures soil respiration situation, can only observe the soil respiration situation near flux observation website, and can not
Realize the estimation of the soil respiration to other regions.In order to solve the above-mentioned technical problem, the embodiment of the present application provides a kind of soil
Estimating and measuring method, device, equipment and the storage medium of earth breathing.
Hereinafter, the exemplary application scene to the embodiment of the present invention is introduced.
In the observation to soil respiration, usually passing flux observes station for acquiring flux data, and the whole world is about deposited at present
Website is observed in more than 500 a flux, website is observed by any one flux, the flux data near the available website,
But since Global Regional range is larger, there is the position that can not obtain flux data, in order to realize to flux data can not be obtained
Position carry out soil respiration estimation, can by way of establishing dynamic of soil respiration response model, realize to a wide range of
Soil respiration estimation, be based on this, the embodiment of the present application provides the estimating and measuring method of soil respiration a kind of, device, equipment and deposits
Storage media.
Fig. 1 is the flow diagram of the estimating and measuring method for the soil respiration that one embodiment of the application provides, and this method can be by
The estimating apparatus of soil respiration executes, which can be realized by way of software and/or hardware, such as: the device can be with
Server or terminal device, terminal device can be PC, smart phone, user terminal, tablet computer etc., below with
Terminal device is that executing subject is illustrated the estimating and measuring method of soil respiration, as shown in Figure 1, the method in the embodiment of the present invention
May include:
Step S101: passing flux observes website, obtains flux data, flux data includes soil respiration data.
Passing flux observes station for acquiring flux data, can extract website by observing the website downloading of website in flux
Flux data, the embodiment of the present application to obtain flux data specific embodiment with no restrictions.Since there are multiple flux
Website is observed, obtaining flux data can be the flux data for obtaining a flux observation website, be also possible to obtain multiple logical
The flux data of discharge observation website, the embodiment of the present application is without limitation, in a kind of possible embodiment, obtains one
The flux data of flux observation website.
Step S102: the remotely-sensed data of flux observation website location reason unit is obtained.
Website is observed for the flux for obtaining flux data, obtains the remote sensing number of flux observation website location reason unit
According to, the embodiment of the present application to the mode of the remotely-sensed data for how obtaining flux observation website location reason unit with no restrictions, separately
Outside, the embodiment of the present application to the specific data of remotely-sensed data and obtains the concrete mode of remotely-sensed data all with no restrictions.One
It, can be by carrying Moderate Imaging Spectroradiomete (Moderate- above and below space flight board web in the possible embodiment of kind
Resolution Imaging Spectroradiometer, MODIS) product data, for example, passing through surface temperature (Land
Surface Temperature, LST) product acquisition land surface temperature, root region soil moisture products can be passed through and obtain root zone
Soil moisture data can also obtain spectral vegetation indexes data etc. by Reflectivity for Growing Season product.
Step S103: according to flux data and remotely-sensed data, dynamic of soil respiration response model is established.
According to flux data and remotely-sensed data, dynamic of soil respiration response model is established, can be and seen for any flux
Survey station point, establishes dynamic of soil respiration response model respectively, also can choose the similar multiple flux observation website of environment substrate,
Dynamic of soil respiration response model is established, the embodiment of the present application is without limitation.
The embodiment of the present application is to the tool for how establishing according to flux data and remotely-sensed data dynamic of soil respiration response model
Body embodiment is with no restrictions.It optionally, can be by establishing between soil respiration data and multiple or single remotely-sensed data
Model, the model perhaps established between soil respiration data and other flux datas or establishes soil respiration data and remote sensing
Model etc. between data and other flux datas, the embodiment of the present application is without limitation.
In order to improve the reliability of soil respiration data and remotely-sensed data, optionally, flux data and remote sensing are being obtained
After data, and according to flux data and remotely-sensed data, establishes before dynamic of soil respiration response model, can also wrap
It includes: flux data and remotely-sensed data being pre-processed respectively.
Flux data is pre-processed, illustratively, with the pretreatment mode of the soil respiration data in flux data
For, it is to record a soil respiration data every half an hour to the recording mode of soil respiration data that flux, which observes website, by
In reasons such as instrument and equipment, rainfalls, data invalid may be caused, therefore, pretreated mistake is being carried out to soil respiration data
Cheng Zhong, needs to reject underproof soil respiration data, and underproof soil respiration data for example can be instrument failure record
Soil respiration data, haze or the reasons such as fogging caused by unaccountable soil respiration data, flush period in physical significance
Between soil respiration data, wind friction velocity is less than 0.1 metre per second (m/s) (ms-1) night CO2Flux data etc., to realize to soil
The quality of breath data controls.
In addition, flux observes website in the note to flux data because of the factors such as instrument failure, correction and atmosphere, wind direction
Record process summarizes, and is likely to result in the missing of flux data, to solve the above-mentioned problems, can be slotting by carrying out to flux data
It mends.The embodiment of the present application to the mode of flux data interpolation with no restrictions, such as can by look-up table, average diurnal variation method,
Non-linear regression method etc..Different data filling methods can also be used according to different data interval sections, in a kind of possibility
Embodiment in, for the missing data section within two hours, interpolation is carried out using differential technique in linear；Within 8 days
Missing data, using average diurnal variation method.But if the microclimate data in 8 days are complete, only flux data is lacked, then uses 8
Mean value of close corresponding time data of microclimate condition carrys out interpolation in it, and other situations correspond to the flat of time data using adjacent day
Mean value carries out interpolation.
Pretreatment for remotely-sensed data illustratively can observe the geographical location information of website with passing flux, such as
Longitude and latitude extract the pixel comprising the geographical location from spatial data product, obtain the remotely-sensed data in the geographical location,
For different remotely-sensed datas, possible pretreated mode is different, and the embodiment of the present application is without limitation, for example, being directed to root
Area's soil moisture data, can be by obtaining, due to the temporal resolution of soil moisture product according to root region soil moisture products
It is 1 day, therefore in order to match the 8 of MODIS data day period, root region soil moisture data can also be by calculating corresponding 8 day week
The mean value of phase participates in the subsequent foundation to dynamic of soil respiration response model.For another example spectral vegetation indexes data are directed to, it can
The earth surface reflection of multiple wave bands is obtained with 8 days Reflectivity for Growing Season products of MODIS of passing flux observation website location reason unit
Rate calculates spectral vegetation indexes data, be included in 8 day period based on high observation coverage rate, low visual angle, cloudless or Yun Ying and
The best observation of aerosol load.A variety of vegetation indexs (VIs) is calculated, by Reflectivity for Growing Season product with 4 kinds of vegetation indexs
Calculation formula for:
In formula, NDVI indicates that normalized differential vegetation index, EVI indicate that enhancement mode meta file, MSAVI indicate amendment soil tune
Whole vegetation index, LSWI indicate land surface water vegetation index.ρNIRIndicate Reflectivity for Growing Season, the ρ of near infrared bandredIndicate red
The Reflectivity for Growing Season of wave band, ρblueIndicate the Reflectivity for Growing Season of blue wave band, ρSWIRIndicate the Reflectivity for Growing Season of short infrared wave band.
Since remotely-sensed data is different from the acquisition period of flux data, for example, the acquisition period of remotely-sensed data is first week
Phase, such as period 1 are 8 days, and the acquisition period of flux data is second round, such as second round is half an hour, if the
One period was greater than second round, can be by obtaining the flux data in the period 1, by determining the flux in the period 1
The mean value of data is used for subsequent modeling, such as can be by obtaining multiple flux datas in corresponding 8 days period 1, and determining should
The average flux data of flux data in 8 days.The embodiment of the present application is without limitation.
After carrying out data prediction to flux data and remotely-sensed data, soil is established according to flux data and remotely-sensed data
Earth breathes dynamic response model.
Step S104: according to dynamic of soil respiration response model, soil respiration is estimated.
After establishing dynamic of soil respiration response model, according to dynamic of soil respiration response model, to soil respiration into
Row estimation, for example, what dynamic of soil respiration response model was established according to soil respiration data and remotely-sensed data, then it can be by defeated
Enter remotely-sensed data, obtain the corresponding soil respiration data of the remotely-sensed data, to realize the estimation to soil respiration, the application is implemented
Example is without limitation.
The estimating and measuring method of soil respiration provided by the embodiments of the present application, by establishing according to flux data and remotely-sensed data
Dynamic of soil respiration response model, and according to dynamic of soil respiration response model, estimates soil respiration, may be implemented pair
Flux observes the estimation of the soil respiration in other regions except website.
Optionally, Fig. 2 is the flow diagram of the estimating and measuring method for the soil respiration that another embodiment of the application provides, the party
Method can be executed by the estimating apparatus of soil respiration, which can be realized by way of software and/or hardware, such as: it should
Device can be server or terminal device, and terminal device can be PC, smart phone, user terminal, tablet computer
Deng being illustrated below using terminal device as estimating and measuring method of the executing subject to soil respiration, as shown in Fig. 2, step S103 can
To include:
Step S201: determining the related coefficient between soil respiration data and multiple independent variable factors, and the independent variable factor is
One of remotely-sensed data or a variety of data, and/or, one or more numbers in flux data in addition to soil respiration data
According to.
Flux data may include biotic factor data and weather factor data, and remotely-sensed data may include land surface temperature
Degree evidence, root region soil moisture data and spectral vegetation indexes data, wherein climatic factor data include one in following data
Kind is a variety of: soil temperature data, soil water content data, air humidity data, rainfall product data, wind direction data, wind speed
Data, steam pressure difference data, different height temperature record；Biotic factor data include one of following data or a variety of: total
Primary Production force data, photosynthetically active radiation data.Specific data class of the embodiment of the present application to flux data and remotely-sensed data
Type is with no restrictions.
Determine the related coefficient between soil respiration data and multiple independent variable factors, wherein the independent variable factor can be
One or more data in one of remotely-sensed data or a variety of data and/or flux data in addition to soil respiration data,
Such as: the independent variable factor is soil temperature data and root region soil moisture data etc., and the embodiment of the present application is to independent variable factor institute
Including data class with no restrictions.
For multiple independent variable factors including different types of data, soil respiration data and multiple independents variable are calculated separately
The related coefficient between any independent variable factor in the factor, multiple related coefficients and multiple independent variable factors correspond.Separately
Outside, the embodiment of the present application to the representation of related coefficient with no restrictions.
Step S202: determining at least one target independent variable factor, and the target independent variable factor is in multiple independent variable factors,
Related coefficient between soil respiration data is greater than the independent variable factor of preset threshold.
In multiple related coefficients, it is understood that there may be greater than the related coefficient of preset threshold, the embodiment of the present application is to default threshold
The set-up mode of value and specific numerical value with no restrictions, for example, can choose preset threshold is related coefficient saturation value
90% etc., at least one target independent variable factor is then determined according to related coefficient.
Step S203: it according to soil respiration data and at least one target independent variable factor, establishes at least one soil and exhales
Inhale dynamic response model.
For the either objective independent variable factor, respectively according to soil respiration data and the target independent variable factor, soil is established
Breathe dynamic response model, the embodiment of the present application to how to establish soil dynamic breathing response model mode with no restrictions, example
Such as can by statistical product and service solution (Statistical Product and Service Solutions,
SPSS), optionally, after establishing model, can also by mapping software, draw soil respiration data and target independent variable because
Relational graph between son.
Step S204: at least one dynamic of soil respiration response model, determine that target soil breathes dynamic response mould
Type.
The degree of reliability of each dynamic of soil respiration response model is different, in order to improve the accuracy rate of soil respiration estimation,
Target soil breathing dynamic response model can be selected at least one dynamic of soil respiration response model, and according to
Target soil breathes dynamic response model, estimates soil respiration.
The embodiment of the present application is to how at least one dynamic of soil respiration response model, determining that target soil breathing is dynamic
The mode of state response model with no restrictions, in a kind of possible embodiment, responds mould at least one dynamic of soil respiration
In type, determine that target soil breathes dynamic response model, comprising:
For at least one dynamic of soil respiration response model, determining for each dynamic of soil respiration response model is obtained respectively
Determine coefficient, root-mean-square error and akaike information criterion；According to the coefficient of determination of each dynamic of soil respiration response model, just
Root error and akaike information criterion determine the goodness of fit of each dynamic of soil respiration response model；It is exhaled according to each soil
The goodness of fit for inhaling dynamic response model determines that target soil breathes dynamic response model.
The coefficient of determination of dynamic of soil respiration response model is bigger, and root-mean-square error and akaike information criterion are smaller, table
Show that the goodness of fit of soil respiration response model is higher.The coefficient of determination of dynamic of soil respiration response model can directly obtain,
The root-mean-square error and akaike information criterion of dynamic of soil respiration response model can be obtained by calculation, and calculation formula is such as
Under:
AIC=nlnRSS+2* (p+1)-nlnn
Wherein, RSS is residual sum of squares (RSS), and p is the data type quantity in the target independent variable factor, and n is sample number,
In, RSS can be obtained by dynamic of soil respiration response model.
The coefficient of determination, root-mean-square error and the akaike information criterion for obtaining each dynamic of soil respiration response model it
Afterwards, the goodness of fit of each dynamic of soil respiration response model can be determined according to preset rules, the embodiment of the present application is to default
Rule is with no restrictions.
Finally, can choose the highest soil of the goodness of fit according to the goodness of fit of each dynamic of soil respiration response model
Earth breathes dynamic response model as target soil and breathes dynamic response model, or according to user demand, selection target becomes certainly
Specific data type is contained in the amount factor and the higher dynamic of soil respiration model of the goodness of fit is dynamic as target soil breathing
States model.The embodiment of the present application is without limitation.
By quasi- according to the coefficient of determination of each dynamic of soil respiration response model, root-mean-square error and red pond information content
Then, the goodness of fit of each dynamic of soil respiration response model is determined, and according to the quasi- of each dynamic of soil respiration response model
Goodness is closed, determines that target soil breathes dynamic response model, dynamic response model is then breathed according to target soil, soil is exhaled
The estimation of inspiration row, improves the reliability of target soil dynamic response model, and then improves to the accurate of soil respiration estimation
Property.
In the present solution, by related coefficient between soil respiration data and the independent variable factor, filter out related coefficient compared with
The high independent variable factor, the dynamic of soil respiration for then establishing soil respiration data between the independent variable factor that filters out respond
Model improves the efficiency for establishing dynamic of soil respiration response model, in addition, being rung by multiple dynamic of soil respiration in foundation
It answers in model, determines that target soil breathes dynamic response model, improve the accuracy rate of target soil breathing dynamic response model.
Optionally, Fig. 3 is the flow diagram of the estimating and measuring method for the soil respiration that the another embodiment of the application provides, the party
Method can be executed by the estimating apparatus of soil respiration, which can be realized by way of software and/or hardware, such as: it should
Device can be server or terminal device, and terminal device can be PC, smart phone, user terminal, tablet computer
Deng, be illustrated below using terminal device as estimating and measuring method of the executing subject to soil respiration, as shown in figure 3, the application implement
The estimating and measuring method of soil respiration that example provides can also include:
Step S301: target soil breathing dynamic response model is verified.
The embodiment of the present application to the mode verified of target soil breathing dynamic response model with no restrictions, for example, can
With more consistent by the environment substrate situation for observing website in flux corresponding with target soil breathing dynamic response model
Other flux observe website, obtain flux data and remotely-sensed data, and verify to target soil breathing dynamic response model,
Or website, the flux number in different time periods of acquisition are observed by breathing the corresponding flux of dynamic response model in target soil
Target soil breathing dynamic response model is verified according to remotely-sensed data, such as: pass through the flux data of 2014-2016
Target breathing dynamic response model is established with remotely-sensed data, then passes through the flux data of 2017-2018 and remotely-sensed data pair
Target breathing dynamic response model is verified.
Step S302: according to the verification result to target soil breathing dynamic response model, it is dynamic to update target soil breathing
State response model.
The embodiment of the present application updates target soil and exhales to according to the verification result to target soil breathing dynamic response model
The specific embodiment of suction dynamic response model with no restrictions, such as can breathe target soil by software programs such as SPSS
Dynamic response model is updated.By the way that target soil breathing dynamic response model is verified and updated, target is improved
The reliability of dynamic of soil respiration response model.
Following is apparatus of the present invention embodiment, can be used for executing embodiment of the present invention method.For apparatus of the present invention reality
Undisclosed details in example is applied, embodiment of the present invention method is please referred to.
Fig. 4 is the structural schematic diagram of the estimating apparatus for the soil respiration that one embodiment of the application provides, which can lead to
The mode for crossing software and/or hardware realizes, such as: the device can be server or terminal device, and terminal device can be
People's computer, smart phone, user terminal etc., as shown in figure 4, the estimating apparatus of soil respiration provided in an embodiment of the present invention can be with
Include:
First obtains module 41, observes website for passing flux, obtains flux data, flux data includes soil respiration
Data.
Second obtains module 42, for obtaining the remotely-sensed data of flux observation website location reason unit.
Module 43 is established, for establishing dynamic of soil respiration response model according to soil respiration data and remotely-sensed data.
Estimating module 44, for estimating soil respiration according to dynamic of soil respiration response model.
Optionally, Fig. 5 is the structural schematic diagram of the estimating apparatus for the soil respiration that another embodiment of the application provides, and is such as schemed
Shown in 5, module 43 is established, may include:
First determines submodule 51, for determining the related coefficient between soil respiration data and multiple independent variable factors,
The independent variable factor is one of remotely-sensed data or a variety of data, and/or, one of flux data or a variety of data, flux
Data include biotic factor data and weather factor data, and remotely-sensed data includes land surface temperature data, root region soil moisture
Data and spectral vegetation indexes data.
Second determines submodule 52, for determining that at least one target independent variable factor, the target independent variable factor are multiple
In the independent variable factor, the related coefficient between soil respiration data is greater than the independent variable factor of preset threshold.
Setting up submodule 53, for establishing at least one according to soil respiration data and at least one target independent variable factor
A dynamic of soil respiration response model.
Third determines submodule 54, for determining that target soil is exhaled at least one dynamic of soil respiration response model
Inhale dynamic response model.
Optionally, third determines that submodule 54 is specifically used for:
For at least one described dynamic of soil respiration response model, each dynamic of soil respiration response model is obtained respectively
The coefficient of determination, root-mean-square error and akaike information criterion.
According to the coefficient of determination, root-mean-square error and the akaike information criterion of each dynamic of soil respiration response model, really
The goodness of fit of fixed each dynamic of soil respiration response model.
According to the goodness of fit of each dynamic of soil respiration response model, determine that target soil breathes dynamic response model.
Estimating module 44 is specifically used for:
Dynamic response model is breathed according to target soil, soil respiration is estimated.
Optionally, Fig. 6 is the structural schematic diagram of the estimating apparatus for the soil respiration that the another embodiment of the application provides, and is such as schemed
Shown in 6, the estimating apparatus of soil respiration provided by the embodiments of the present application, further includes:
Authentication module 61, for being verified to target soil breathing dynamic response model；
Update module 62, for updating target soil according to the verification result to target soil breathing dynamic response model
Breathe dynamic response model.
Optionally, as shown in fig. 6, the estimating apparatus of soil respiration provided by the embodiments of the present application, further includes:
Preprocessing module 63, for carrying out data prediction to flux data and remotely-sensed data respectively.
Optionally, climatic factor data include one of following data or a variety of:
Soil temperature data, soil water content data, air humidity data, rainfall product data, wind direction data, wind speed number
According to, steam pressure difference data, different height temperature record.
Biotic factor data include one of following data or a variety of: gross primary productivity data, photosynthetically active radiation
Data.
Fig. 7 is the structural schematic diagram of equipment provided by the embodiments of the present application, as shown in fig. 7, the equipment includes:
Processor 71, memory 72, transceiver 73 and computer program；Wherein, transceiver 73 realizes vehicle-mounted radio
Data transmission between other equipment, computer program is stored in memory 72, and is configured as by processor 71
It executes, computer program includes the instruction for executing the estimating and measuring method of above-mentioned soil respiration, content and the effect side of please referring to
Method embodiment.
In addition, the embodiment of the present application also provides a kind of computer readable storage medium, deposited in computer readable storage medium
Computer executed instructions are contained, when at least one processor of user equipment executes the computer executed instructions, user equipment
Execute above-mentioned various possible methods.
Wherein, computer-readable medium includes computer storage media and communication media, and wherein communication media includes being convenient for
From a place to any medium of another place transmission computer program.Storage medium can be general or specialized computer
Any usable medium that can be accessed.A kind of illustrative storage medium is coupled to processor, to enable a processor to from this
Read information, and information can be written to the storage medium.Certainly, storage medium is also possible to the composition portion of processor
Point.Pocessor and storage media can be located in ASIC.In addition, the ASIC can be located in user equipment.Certainly, processor and
Storage medium can also be used as discrete assembly and be present in communication equipment.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of estimating and measuring method of soil respiration characterized by comprising
Passing flux observes website, obtains flux data, the flux data includes soil respiration data；
Obtain the remotely-sensed data of flux observation website location reason unit；
According to the flux data and the remotely-sensed data, dynamic of soil respiration response model is established；
According to the dynamic of soil respiration response model, the soil respiration is estimated.
2. the method according to claim 1, wherein described according to the flux data and the remotely-sensed data,
Establish dynamic of soil respiration response model, comprising:
Determine the related coefficient between the soil respiration data and multiple independent variable factors, the independent variable factor is described distant
Feel one of data or a variety of data, and/or, one kind or more in the flux data in addition to the soil respiration data
Kind data, the flux data includes biotic factor data and weather factor data, and the remotely-sensed data includes land surface temperature
Degree evidence, root region soil moisture data and spectral vegetation indexes data；
Determine that at least one target independent variable factor, the target independent variable factor are in the multiple independent variable factor, with institute
State the independent variable factor that the related coefficient between soil respiration data is greater than preset threshold；
According to the soil respiration data and at least one described target independent variable factor, at least one dynamic of soil respiration is established
Response model；
In at least one described dynamic of soil respiration response model, determine that target soil breathes dynamic response model.
3. according to the method described in claim 2, it is characterized in that, described respond mould at least one described dynamic of soil respiration
In type, determine that target soil breathes dynamic response model, comprising:
For at least one described dynamic of soil respiration response model, determining for each dynamic of soil respiration response model is obtained respectively
Determine coefficient, root-mean-square error and akaike information criterion；
According to the coefficient of determination, root-mean-square error and the akaike information criterion of each dynamic of soil respiration response model, determine every
The goodness of fit of a dynamic of soil respiration response model；
According to the goodness of fit of each dynamic of soil respiration response model, determine that target soil breathes dynamic response model；
It is described according to the dynamic of soil respiration response model, the soil respiration is estimated, comprising:
Dynamic response model is breathed according to the target soil, the soil respiration is estimated.
4. according to the method described in claim 3, it is characterized by further comprising:
Target soil breathing dynamic response model is verified；
According to the verification result to target soil breathing dynamic response model, the target soil breathing dynamic response is updated
Model.
5. method according to claim 1-4, which is characterized in that according to the flux data and the remote sensing
Data are established before dynamic of soil respiration response model, further includes:
Data prediction is carried out to the flux data and the remotely-sensed data respectively.
6. according to the described in any item methods of claim 2-4, which is characterized in that
The climatic factor data include one of following data or a variety of:
Soil temperature data, soil water content data, air humidity data, rainfall product data, wind direction data, air speed data,
Steam pressure difference data, different height temperature record；
The biotic factor data include one of following data or a variety of:
Gross primary productivity data, photosynthetically active radiation data.
7. a kind of estimating apparatus of soil respiration characterized by comprising
First obtains module, observes website for passing flux, obtains flux data, the flux data includes soil respiration number
According to；
Second obtains module, for obtaining the remotely-sensed data of flux observation website location reason unit；
Module is established, for establishing dynamic of soil respiration response model according to the soil respiration data and the remotely-sensed data；
Estimating module, for estimating the soil respiration according to the dynamic of soil respiration response model.
8. device according to claim 7, which is characterized in that described to establish module, comprising:
First determines submodule, for determining the related coefficient between the soil respiration data and multiple independent variable factors, institute
The independent variable factor is stated as one of described remotely-sensed data or a variety of data, and/or, one of described flux data or a variety of
Data, the flux data include biotic factor data and weather factor data, and the remotely-sensed data includes land surface temperature
Data, root region soil moisture data and spectral vegetation indexes data；
Second determines submodule, for determining that at least one target independent variable factor, the target independent variable factor are described more
In a independent variable factor, the related coefficient between the soil respiration data is greater than the independent variable factor of preset threshold；
Setting up submodule, for establishing at least according to the soil respiration data and at least one described target independent variable factor
One dynamic of soil respiration response model；
Third determines submodule, at least one described dynamic of soil respiration response model, determining that target soil breathes
Dynamic response model.
9. a kind of equipment characterized by comprising
Processor；
Memory；And
Computer program；
Wherein, the computer program is stored in the memory, and is configured as being executed by the processor, described
Computer program includes the instruction for executing as the method according to claim 1 to 6.
10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey
Sequence, the computer program make server perform claim require the described in any item methods of 1-6.
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