CN110020962A - A method of land use change survey information is obtained based on forest resource survey data - Google Patents
A method of land use change survey information is obtained based on forest resource survey data Download PDFInfo
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- CN110020962A CN110020962A CN201910267341.8A CN201910267341A CN110020962A CN 110020962 A CN110020962 A CN 110020962A CN 201910267341 A CN201910267341 A CN 201910267341A CN 110020962 A CN110020962 A CN 110020962A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 51
- 238000005516 engineering process Methods 0.000 claims abstract description 4
- 239000013589 supplement Substances 0.000 claims abstract description 4
- 238000010586 diagram Methods 0.000 claims abstract description 3
- 239000002028 Biomass Substances 0.000 claims description 31
- 238000004364 calculation method Methods 0.000 claims description 17
- 239000005416 organic matter Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000009825 accumulation Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000011835 investigation Methods 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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Abstract
The invention discloses a kind of methods for obtaining land use change survey information based on forest resource survey data, the method for obtaining land use change survey information based on forest resource survey data is to be changed to obtain land use and its change information according to annual carbon storehouse, diagram data is opened for basic data with regional forest resource inventory data for management to be checked and forest land one, in conjunction with second of wetland resource survey data and the special supplement survey data of carbon remittance, figure spot attribute data is updated using GIS technology and database, to obtain land use and its change information.The present invention utilizes existing forest inventory investigation performance data and relevant various forestry monitoring data, and it is put to add ground sample-plot survey, it realizes to land use pattern distribution and its monitoring of change information, obtains the sharpness of border that all kinds of land use activity change boundary informations change land use pattern.
Description
Technical field
The invention belongs to geographical science technical fields, and in particular to one kind obtains soil benefit based on forest resource survey data
With the method for change information.
Background technique
Sample-plot survey content includes the acquisition of wherein forest land inventory and correspondingly class carbon storehouse calculation of measured data.Forest land inventory includes
The division of land type, all types of Boundary Extractions and areal calculation, the ground such as forest, wetland class carbon storehouse calculation of measured data obtain.
In order to obtain the area of land use pattern and various regions class in 4km × 4km sample ground, need to make full use of existing
Investigation Forestry Resources data are aided with remote sensing image, ground investigation etc. and improve the timeliness of resource investigation data, and save the time,
Improve cost effectiveness.On the other hand also need to obtain the ground such as related forest, wetland class biomass C calculation of measured data, thus, it needs
The correspondingly biomass of class unit area and corresponding essential information are preferably extracted, is biomass C status and variation
Measuring and calculating provides reliable data source basis.
Summary of the invention
The purpose of the present invention is to provide the methods for obtaining land use change survey information based on forest resource survey data.
The object of the present invention is achieved like this, described to obtain land use change survey letter based on forest resource survey data
The method of breath is to be changed to obtain land use and its change information according to annual carbon storehouse, i.e., with two class tune of the regional forest reserves to be checked
It looks into data and diagram data is opened for basic data, in conjunction with second of wetland resource survey data and the special supplement survey of carbon remittance in forest land one
Data are updated figure spot attribute data using GIS technology and database, to obtain land use and its change information.
The present invention utilizes existing forest inventory investigation performance data and relevant various forestry monitoring data, and is put to increase
If ground sample-plot survey, according to the movable requirement of LULUCF, first is that realizing to land use pattern distribution and its change information
Monitoring, obtains all kinds of land use activity change boundary informations (type, area), so that the boundary of land use pattern variation is clear
It is clear；Second is that obtaining the attribute information changed based on land use pattern caused by LULUCF activity change；Third is that realize by
The measure monitor of organic C storage and variable quantity caused by land use pattern change information caused by LULUCF activity, is not known
Property analysis, obtain Monitoring Result.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but the present invention is limited in any way,
Based on present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
The method of the present invention for obtaining land use change survey information based on forest resource survey data is according to year
Carbon storehouse variation obtains land use and its change information, i.e., opens figure with regional forest resource inventory data for management to be checked and forest land one
Data are basic data, converge special supplement survey data in conjunction with second of wetland resource survey data and carbon, using GIS technology and
Database is updated figure spot attribute data, to obtain land use and its change information.
The method for obtaining land use change survey information based on forest resource survey data, it is characterised in that described
Annual carbon storehouse variation includes the carbon storehouse variation in the variation of living organism amount carbon storehouse and dead organic substance.
The method for obtaining land use change survey information based on forest resource survey data, it is characterised in that described
The variation of living organism amount carbon storehouse includes that the biomass C for keeping former land used status constant changes and be converted into another soil benefit
Changed with the biomass C of type.
The method for obtaining land use change survey information based on forest resource survey data, it is characterised in that original soil
Calculating using the constant biomass C variation of classification is the biomass carbon storehouse difference using between time t1 and t2, divided by it is corresponding when
Between section, calculation formula is as follows:
Wherein:
A, corresponding land type is forest, then its arborous layer is calculated with underground biomass using following formula on the ground:
B, corresponding land type is forest, non-arborous layer (low cover) living organism amount carbon storehouse measuring method:
The processing of following two method can be selected in non-arborous layer biomass carbon storehouse measuring method, is on the one hand difference climatic province, forest
The non-arborous layer biomass density parameter of vegetation pattern is calculated；It on the other hand is the non-arborous layer biomass by foundation and Qiao
Timber layer biomass (accumulation) correlation model calculates corresponding non-arborous layer vegetation biomass carbon by arborous layer biomass and stores up
Amount, two calculation formula are respectively as follows:
In formula:
The algebraical sum of arborous layer biomass C variable quantity and non-arborous layer biomass C, can be obtained there is no ground class variation
Land type living organism amount carbon variable quantity, calculation formula are as follows:
The method for obtaining land use change survey information based on forest resource survey data, it is characterised in that the conversion
The calculating changed for the biomass C of another land use pattern is calculated using mean change amount, and calculation formula is such as
Under:
In formula:
The method for obtaining land use change survey information based on forest resource survey data, it is characterised in that described extremely has
Carbon storehouse variation in machine substance includes the dead organic matter carbon storehouse variation in soil for keeping land used status constant and is converted into another
The dead organic matter carbon storehouse variation of kind land use pattern.
The method for obtaining land use change survey information based on forest resource survey data, it is characterised in that described
Carbon storehouse variation in dead organic substance includes that the calculating for the dead organic matter carbon storehouse variation in soil for keeping land used status constant is public
Formula is as follows:
In formula:
In calculating dead organic matter carbon storehouse variation, in corresponding region (provincial) scale, dead and drying tree and litter carbon storehouse are used same
The formula of sample, but calculate separately its corresponding value.
The annual change of dead and drying tree or litter carbon storehouse is calculated using library-discriminant method:
In formula:
Simplified calculation method can be directed to the dead and drying tree and litter carbon storehouse of all land used status, in identical land use class
In not their library will not time to time change, can be approximately considered carbon storehouse become cancellation.
The method for obtaining land use change survey information based on forest resource survey data, it is characterised in that described
The calculation formula for being converted into the dead organic matter carbon storehouse variation of another land use pattern is as follows:
In formula:
Case is embodied, the present invention will be further described below:
Embodiment 1
Number with sample center point coordinate to monitoring sample
Note: coordinate is coordinate under Xi'an1980 coordinate system in table.
Embodiment 2
Land use pattern data statistics in 2016
Embodiment 3
Alternatively class does not count front and back phase land use
Embodiment 4
Land use change survey class statistics
Embodiment 5
, forest carbon storage in 2016 in 2013
Claims (8)
1. it is a kind of based on forest resource survey data obtain land use change survey information method, it is characterised in that it is described based on
Forest resource survey data obtain land use change survey information method be according to annual carbon storehouse change obtain land use and its
Change information opens diagram data for basic data, in conjunction with second with regional forest resource inventory data for management to be checked and forest land one
Secondary wetland resource survey data and carbon converge special supplement survey data, using GIS technology and database to figure spot attribute data into
Row updates, to obtain land use and its change information.
2. the method according to claim 1 for obtaining land use change survey information based on forest resource survey data, special
Sign is that the annual carbon storehouse variation includes the carbon storehouse variation in the variation of living organism amount carbon storehouse and dead organic substance.
3. the method according to claim 2 for obtaining land use change survey information based on forest resource survey data, special
Sign is that the living organism amount carbon storehouse variation includes the biomass C variation for keeping former land used status constant and is converted into
The biomass C of another land use pattern changes.
4. the method according to claim 3 for obtaining land use change survey information based on forest resource survey data, special
Sign is that the calculating of the constant biomass C variation of former land used status is poor using the biomass carbon storehouse between time t1 and t2
Volume, divided by the corresponding period, calculation formula is as follows:
Wherein:
A, corresponding land type is forest, then its arborous layer is calculated with underground biomass using following formula on the ground:
B, corresponding land type is forest, non-arborous layer (low cover) living organism amount carbon storehouse measuring method:
The processing of following two method can be selected in non-arborous layer biomass carbon storehouse measuring method, is on the one hand difference climatic province, forest
The non-arborous layer biomass density parameter of vegetation pattern is calculated；It on the other hand is the non-arborous layer biomass by foundation and Qiao
Timber layer biomass (accumulation) correlation model calculates corresponding non-arborous layer vegetation biomass carbon by arborous layer biomass and stores up
Amount, two calculation formula are respectively as follows:
In formula:
The algebraical sum of arborous layer biomass C variable quantity and non-arborous layer biomass C, can be obtained there is no ground class variation
Land type living organism amount carbon variable quantity, calculation formula are as follows:
。
5. the method according to claim 3 for obtaining land use change survey information based on forest resource survey data, special
Sign is that the calculating of the biomass C variation for being converted into another land use pattern is carried out using mean change amount
It calculates, calculation formula is as follows:
In formula:
6. the method according to claim 2 for obtaining land use change survey information based on forest resource survey data, special
Sign is that the carbon storehouse variation in the dead organic substance includes the dead organic matter carbon storehouse in soil for keeping land used status constant
Change and be converted into the dead organic matter carbon storehouse variation of another land use pattern.
7. the method according to claim 6 for obtaining land use change survey information based on forest resource survey data, special
Sign is that the carbon storehouse variation in the dead organic substance includes the dead organic matter carbon storehouse in soil for keeping land used status constant
The calculation formula of variation is as follows:
In formula:
In calculating dead organic matter carbon storehouse variation, in corresponding region (provincial) scale, dead and drying tree and litter carbon storehouse are used same
The formula of sample, but calculate separately its corresponding value；
The annual change of dead and drying tree or litter carbon storehouse is calculated using library-discriminant method:
In formula:
Simplified calculation method can be directed to the dead and drying tree and litter carbon storehouse of all land used status, in identical land use class
In not their library will not time to time change, can be approximately considered carbon storehouse become cancellation.
8. the method according to claim 6 for obtaining land use change survey information based on forest resource survey data, special
Sign is that the calculation formula of the dead organic matter carbon storehouse variation for being converted into another land use pattern is as follows:
In formula:
。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113626411A (en) * | 2021-08-11 | 2021-11-09 | 四川省林业和草原调查规划院 | Forest resource one-map result quality inspection method and system and cloud platform |
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| CN102289565A (en) * | 2011-06-14 | 2011-12-21 | 北京林业大学 | Technical method for dynamically monitoring carbon reserve of forest ecological system |
| CN103279686A (en) * | 2013-06-20 | 2013-09-04 | 四川省林业调查规划院 | Forestry carbon measuring method based on forest resources |
| CN103345573A (en) * | 2013-06-20 | 2013-10-09 | 四川省林业调查规划院 | Forestry carbon accounting method based on ecological process model |
-
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- 2019-04-03 CN CN201910267341.8A patent/CN110020962A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100145716A1 (en) * | 2008-12-08 | 2010-06-10 | Ning Zeng | Carbon sequestration via wood burial and storage |
| CN102289565A (en) * | 2011-06-14 | 2011-12-21 | 北京林业大学 | Technical method for dynamically monitoring carbon reserve of forest ecological system |
| CN103279686A (en) * | 2013-06-20 | 2013-09-04 | 四川省林业调查规划院 | Forestry carbon measuring method based on forest resources |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113626411A (en) * | 2021-08-11 | 2021-11-09 | 四川省林业和草原调查规划院 | Forest resource one-map result quality inspection method and system and cloud platform |
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Application publication date: 20190716 |