CN113190556B - Method, system, medium and equipment for establishing forest surface combustible database - Google Patents
Method, system, medium and equipment for establishing forest surface combustible database Download PDFInfo
- Publication number
- CN113190556B CN113190556B CN202110491983.3A CN202110491983A CN113190556B CN 113190556 B CN113190556 B CN 113190556B CN 202110491983 A CN202110491983 A CN 202110491983A CN 113190556 B CN113190556 B CN 113190556B
- Authority
- CN
- China
- Prior art keywords
- combustible
- forest
- data
- database
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000011835 investigation Methods 0.000 claims description 26
- 238000009826 distribution Methods 0.000 claims description 23
- 238000004364 calculation method Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 14
- 238000010586 diagram Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 6
- 240000004282 Grewia occidentalis Species 0.000 claims description 3
- 238000003306 harvesting Methods 0.000 claims description 3
- 239000003864 humus Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 241000894007 species Species 0.000 claims description 3
- 230000001131 transforming effect Effects 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 210000000481 breast Anatomy 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 12
- 230000002265 prevention Effects 0.000 abstract description 8
- 238000004891 communication Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 230000006399 behavior Effects 0.000 description 4
- 238000007781 pre-processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000012417 linear regression Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013501 data transformation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
- G06F16/2291—User-Defined Types; Storage management thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
- G06F16/2462—Approximate or statistical queries
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/248—Presentation of query results
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Data Mining & Analysis (AREA)
- Software Systems (AREA)
- Probability & Statistics with Applications (AREA)
- Computational Linguistics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Remote Sensing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a method for establishing a forest surface combustible database, which comprises the following steps: the combustible type and the loading amount information are collected; collecting the water content information of combustible materials; drawing a thematic map according to the collected combustible type and load information and the combustible water content information; the thematic map includes: a combustible type and loading profile, and a combustible moisture content profile. The invention also provides a system, a medium and equipment for establishing the forest surface combustible database. The scheme of the invention establishes a forest surface combustible database, provides real-time and fine combustible type, loading capacity and water content information data, and realizes dynamic real-time monitoring of the information such as the water content of the combustible; an important data basis is provided for fire hazard prediction, prevention and control, so that forest fire prediction is more accurate, and targeted prevention and control measures are facilitated to be made in advance.
Description
Technical Field
The invention relates to the technical field of forest fire prevention and control, in particular to a method, a system, a medium and equipment for establishing a forest surface combustible database.
Background
The research work for developing forest fire monitoring and early warning in China starts later and starts in the 90 s of the 20 th century, and the scientific research strength of forest fire monitoring and early warning is weak. The current forest fire monitoring and early warning still stays in the stage of forest fire weather forecast (depending on meteorological elements mainly including temperature, relative humidity, wind speed, wind direction, precipitation and the like). Although the weather factors are closely related to the occurrence and development of forest fires, only the weather factors are considered, only the weather forecast of forest fires can be obtained, the forest fires and the forest fires cannot be forecast, and finally the forest fires cannot be effectively monitored and early-warned dynamically in real time.
Specifically, the reasons why forest fires cannot be effectively monitored and pre-warned dynamically in real time mainly are as follows: the combustible material load information data is not fine enough, and the ignition and spread information lacks quantitative research; the dynamic real-time monitoring of the information such as the water content of the combustible material cannot be realized; monitoring equipment, devices and algorithms for continuously monitoring combustible information in real time are lacking; the coupling relation between the water content of the combustible and the combustibility of the combustible is not established; the coupling relation between the combustible material load and forest fire behavior is not established; the forest fire occurrence and forest fire behavior prediction and early warning system based on the dynamic monitoring of combustible matters is not established, and the forest fire prediction lacks combustible matter information and is only fire weather prediction.
Forest combustibles are the material basis for forest fires and are also key factors for the spread and spread of forest fires. The water content of the living standing tree combustible in the forest is high, the living standing tree combustible is not easy to burn, the change of the water content is greatly regulated and controlled by the physiological action of the living standing tree combustible in the forest, and the living standing tree combustible is less influenced by the environment; the water content of the surface combustible materials mainly including dead branches and fallen leaves is greatly influenced by environmental conditions, and the surface combustible materials are inflammable under the conditions of high temperature and low humidity. The water content of the surface combustible can directly influence the difficulty of combustion of the combustible, indirectly influence the forest fire spreading and the fire intensity, is an important index for predicting and forecasting the fire risk, and has important significance for improving the accuracy of a forest fire risk forecasting system by carrying out the real-time dynamic monitoring of the water content of the surface combustible. However, through field investigation, the indexes such as the water content of the combustible materials in the key forest areas cannot be dynamically monitored in real time in various places in China, and in actual forest fire hazard monitoring and early warning, the ground surface combustible material information with reference value does not exist, so to speak, the researches on the aspects of the coupling relation between the water content of the combustible materials and the combustibility of the combustible materials, the coupling relation between the load of the combustible materials and the forest fire behaviors and the like are performed on the basis of the combustible material information.
Disclosure of Invention
Based on the above, the invention aims to provide a method, a system, a medium and equipment for establishing a forest surface combustible database. The method of the invention is used for establishing an information system of the combustible matters in the forest, providing an important data basis for prediction, prevention and control of fire risk, ensuring that the prediction of forest fire is more accurate, and being beneficial to making targeted prevention and control measures in advance.
The invention also discloses a method for establishing the forest surface combustible database.
It should be noted that: in the present specification, the numbers before the operation steps S1, S2, S3, S11, S12, S13, etc. are merely references for convenience of description, and are merely references to corresponding operation steps, and not limitations on the order or logical relationship of operation steps, and some of the operations steps referred to may be performed sequentially, performed in parallel, or performed alternately. Such as "S1" referred to herein: the method comprises the steps of collecting combustible material type and loading information, and storing to form a database; s2: the combustible water content information is collected and stored to form a database, and the steps S1 and S2 are not sequential, and can be performed in any sequence or simultaneously.
The technical scheme of the invention is as follows:
a method for establishing a forest surface combustible database comprises the following steps:
s1: the combustible type and the loading amount information are collected;
s2: collecting the water content information of combustible materials;
s3: drawing a thematic map according to the collected combustible type and load information and the combustible water content information; the thematic map includes: a combustible type and loading profile, and a combustible moisture content profile.
Further, the method for collecting the type and the loading amount information of the combustible in the S1 specifically comprises the following steps:
s11: collecting information, and determining the number and the positions of survey plots;
collecting forest stand investigation factor information and combustible material capacity data related to the inferred combustible material information in forest class investigation data in a target area, analyzing and determining space diversity conditions, and determining the number and the position of investigation sample areas;
s12: carrying out 3-level fine classification and coding on the forest combustible types in the target area on the basis of national forest combustible type division standard;
s13: establishing an estimation equation of the combustible material load;
the method specifically comprises the following steps: extracting dead combustible material load, herb combustible material load, shrub combustible material load and arbor combustible material load and total load calculation equations of 1 hour time lag, 10 hour time lag and 100 hour time lag from checking data such as forest resources through investigation of a sample plot; investigation statistics of stand investigation factors and loads are performed within the plot: the dead combustible material adopts a four-corner sampling method, and the living combustible material adopts a harvesting method and a representative wood method; then, adopting multiple linear regression and other nonlinear regression methods to establish an estimation equation for estimating the combustible material load by checking data;
s14: real-time data transformation, and establishing a database;
and transforming the forest investigation data in the target area according to the classification and calculation equation of the forest combustible, generating the combustible type data and the loading data information in the target area, and forming a forest surface combustible database.
Preferably, the investigation factors related to the deduction of the combustible information in the class of inventory data include: average age of forest tree; tree species composition, breast diameter (dry diameter) and tree height; the thickness of humus; thickness of the withered object; herb average height and coverage; and average height and coverage of shrubs.
Further, the step S2: the method for acquiring the water content information of the combustible comprises the following steps: and acquiring the water content data of combustible matters in each forest region in real time through the water sensors buried in each forest region.
Further, in the step S3, the drawing of the combustible type and the load distribution diagram includes: forming a bitmap geospatial database of the forest combustible classification sample site in the target area; and drawing a grid map and a vector map of the distribution and the loading of the forest combustible.
Preferably, the method for forming the bitmap geospatial database of the forest combustible classification-like place in the target area comprises the following steps: carrying out data standardization processing and other data preprocessing (other data preprocessing can be adopted if the standardization processing is not solved) on the forest resource continuous checking sample plot survey data in the areas, so that the data content of relevant fields of the forest resource continuous checking sample plot data in each area is consistent; extracting relevant fields of the sample ground database to form a combustible classification working database; according to geographic coordinate data of the forest resource continuous checking sample plot, digital sample plot bitmaps are manufactured in a sub-population and a population, the digital sample plot bitmaps are spliced to form a unified sample plot bitmap, and finally a forest combustible classification sample plot bitmap geographic space database in a target area is formed.
Preferably, the method for drawing the grid map of the forest combustible distribution and the loading comprises the following steps:
based on the geographical space database of the bitmap of the sample site of the forest combustible classification, classifying the forest combustible according to the data of each sample site, and manufacturing and generating a classification map of the sample site of the forest combustible; superposing a forest combustible matter sample distribution map; and (3) carrying out interpolation calculation on each grid in the kilometer grid graph of the target area by an interpolation calculation method, and finally forming a grid graph of forest combustible distribution and loading capacity of the target area.
Preferably, the method for drawing the vector diagram of the distribution and the loading of the forest combustible comprises the following steps:
and carrying out raster image vectorization processing on the basis of the raster images of the forest combustible distribution and the loading capacity to form a geographic information vector image conforming to a geographic information system data format (such as an ARCGIS map format).
A system for building a database of forest surface combustibles, comprising:
combustible type and loading information module: the method comprises the steps of acquiring combustible type and load information, and converting acquired information data by using a classification standard and a calculation equation to generate combustible type data and load data;
the combustible water content information module comprises: the device is used for collecting and storing the water content information of the combustible to form water content data of the combustible;
the thematic map drawing module: and the method is used for drawing a thematic map according to the collected combustible type and load information and the combustible water content information.
Further, the thematic map includes: a combustible type and loading profile, and a combustible moisture content profile.
Further, the combustible type and load information includes: data from the existing forest resource information base, such as checking data of forest resources, continuous checking sample plot checking data of forest resources and the like; and combustible real-time information collected by a forest fire risk factor collection station.
A computer-readable storage medium storing at least one program which, when executed by a processor, implements the method of establishing a forest land surface combustible database of any one of the preceding claims.
An apparatus for creating a forest surface combustible database comprising a storage device and a processor, the storage device for storing one or more programs;
the processor implements the method of establishing a forest surface combustible database of any one of the above, when the one or more programs are executed by the processor.
The invention has the beneficial effects that:
the method for establishing the forest surface combustible database establishes the forest surface combustible database, provides real-time and fine combustible type, loading capacity and water content information data, and realizes dynamic real-time monitoring of the information such as the water content of the combustible; the combustible types of the forest surface combustible database are divided by a scientific method, an estimation equation between the combustible load and the forest stand investigation factors is established, and accurate forest combustible load data can be obtained in real time. The combustible type and loading amount database and distribution map of the forest surface combustible database and the database and distribution map of the combustible water content provide basis for researches on the coupling relation of the combustible water content and the combustibility of the combustible and the coupling relation of the combustible loading amount and forest fire behaviors and the like, and provide important data basis for fire hazard prediction and prevention and control, so that the forest fire prediction is more accurate, and the method is favorable for making targeted prevention and control measures in advance.
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
Drawings
FIG. 1 is an operational flow diagram of a method of establishing a forest surface combustible database of the present invention.
Fig. 2 is a flowchart of the specific operation of step S1 in the method for establishing a forest land surface combustible database according to the invention.
Fig. 3 is a schematic diagram of the structure of the forest surface combustible database of the present invention.
Reference numerals:
100. a combustible type and loading information module; 200. a combustible water content information module; 300. a thematic map drawing module; 310. a combustible type and loading profile; 320. distribution diagram of water content of combustible.
Detailed Description
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible mentioned in this specification are defined with respect to their construction, and they are relative concepts. Therefore, the position and the use state of the device may be changed accordingly. These and other directional terms should not be construed as limiting terms.
The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with some aspects of the disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
Referring to fig. 1, the method for establishing a forest surface combustible database of the invention comprises the following steps:
s1: the combustible type and the loading amount information are collected;
s2: collecting the water content information of combustible materials;
s3: drawing a thematic map according to the collected combustible type and load information and the combustible water content information; the thematic map includes: a combustible type and loading profile, and a combustible water content profile.
The distribution diagram of the water content of the combustible can be directly deduced through a meteorological satellite remote sensing image, and many researches exist at present, so that the result can be directly applied.
Specifically, referring to fig. 2, the method for collecting the combustible type and the loading information in S1 specifically includes:
s11: information is collected and survey pattern number and location are determined.
And collecting forest stand investigation factor information and combustible material amount data related to the inferred combustible material information in forest resource type investigation data in the target area, analyzing and determining space diversity conditions, and determining the number and the position of investigation samples.
S12: and (3) classifying the types of the forest combustible in the target area in a 3-level manner based on national forest combustible type classification standard (formulated by national forest agency forest fire prevention early warning monitoring information center 2006 project), and coding.
The coding system should be a complete, top-bottom coding system, the principle of which is:
uniqueness: having a nationally unified and conformable unique code;
the extensibility is as follows: each province category may follow this set of codes;
availability of: is suitable for computer database storage and calculation.
S13: and establishing an estimation equation of the combustible charge.
The method specifically comprises the following steps: extracting dead combustible material load, herb combustible material load, shrub combustible material load, arbor combustible material load and total load calculation equations of 1 hour time lag, 10 hour time lag and 100 hour time lag from forest resource checking data through sample plot investigation; investigation statistics of stand investigation factors and loads are performed within the plot: the dead combustible material adopts a four-corner sampling method, and the living combustible material adopts a harvesting method and a representative wood method; then, adopting multiple linear regression and other nonlinear regression methods to establish an estimation equation for estimating the combustible material load by checking data;
s14: and (5) converting the real-time data and establishing a database.
And (3) according to classification and calculation equations of the forest combustible, sorting, converting and transforming the forest survey data in the target area, and generating combustible type data and loading data in the target area.
Preferably, the investigation factors related to the deduction of the combustible information in the class of inventory data include: average age of forest tree; tree species composition, chest diameter (dry diameter), tree height; the thickness of humus; thickness of the withered object; herb average height and coverage; average height and coverage of shrubs, etc.
In some embodiments, the step S2: the method for acquiring the water content information of the combustible comprises the following steps: and water content data of combustible matters in each forest zone are acquired in real time by burying a water sensor with a certain density in each forest zone.
In some embodiments, in S3, the plotting of the combustible type and the load profile includes: forming a bitmap geospatial database of the forest combustible classification sample site in the target area; and drawing a grid map and a vector map of the distribution and the loading of the forest combustible.
In some embodiments, the method of forming a bitmap geospatial database of forest combustible classification-like locations within a target area includes: and collecting the latest data of checking forest resources and the like, and establishing a combustible material load space distribution diagram and a combustible material load. Carrying out data standardization processing and other data preprocessing on the forest resource continuous checking sample plot survey data in the areas so that the data content of relevant fields of the forest resource continuous checking sample plot data in each area is consistent; extracting relevant fields of the sample ground database to form a combustible classification working database; according to geographic coordinate data of the forest resource continuous checking sample plot, digital sample plot bitmaps are manufactured in a sub-population and a population, the digital sample plot bitmaps are spliced to form a unified sample plot bitmap, and finally a forest combustible classification sample plot bitmap geographic space database in a target area is formed.
Specifically, in some embodiments, the method for drawing a grid map of forest combustible distribution and loading includes:
based on the geographical space database of the bitmap of the sample site of the forest combustible classification, classifying the forest combustible according to the data of each sample site, and manufacturing and generating a classification map of the sample site of the forest combustible; superposing a forest combustible matter sample distribution map; and (3) carrying out interpolation calculation on each grid in the kilometer grid graph of the target area by an interpolation calculation method, and finally forming a grid graph of forest combustible distribution and loading capacity of the target area.
Specifically, in some embodiments, the method for mapping the vector diagram of the distribution and the loading of the combustible material in the forest includes:
and carrying out raster image vectorization processing on the basis of the raster images of the forest combustible distribution and the loading capacity to form a geographic information vector image conforming to a geographic information system data format (such as an ARCGIS map format).
The invention relates to a system for establishing a forest surface combustible database, which comprises the following steps:
combustible type and loading information module 100: the method comprises the steps of acquiring combustible type and load information, and converting acquired information data by using a classification standard and a calculation equation to generate combustible type data and load data;
combustible water content information module 200: the device is used for collecting and storing the water content information of the combustible to form water content data of the combustible;
thematic map drawing module 300: and the method is used for drawing a thematic map according to the collected combustible type and load information and the combustible water content information.
In some embodiments, the thematic map includes: combustible type and loading profile 310, combustible moisture content profile 320.
In some embodiments, the combustible type and loading information includes: data from the existing forest resource information base, such as checking data of forest resources, continuous checking sample plot checking data of forest resources and the like; and combustible real-time information collected by a forest fire risk factor collection station.
A computer-readable storage medium storing at least one program which, when executed by a processor, implements the method of establishing a forest land surface combustible database of any one of the preceding claims.
It should be appreciated that the computer readable storage medium is any data storage device that can store data or a program which can thereafter be read by a computer system. Examples of the computer readable storage medium include: read-only memory, random access memory, CD-ROM, HDD, DVD, magnetic tape, optical data storage devices, and the like.
The computer readable storage medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.
Program code embodied on a computer readable storage medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, radio Frequency (RF), or the like, or any suitable combination of the foregoing.
In some embodiments, the computer-readable storage medium may also be non-transitory.
An apparatus for building a forest surface combustible database, the apparatus comprising a storage device for storing one or more programs and a processor;
the processor implements the method of establishing a forest surface combustible database of any one of the above, when the one or more programs are executed by the processor.
The device may also preferably include a communication interface for communicating and data interactive transmission with external devices.
It should be noted that the memory may include a high-speed RAM memory, and may further include a nonvolatile memory (nonvolatile memory), such as at least one magnetic disk memory.
In a specific implementation, if the memory, the processor and the communication interface are integrated on a chip, the memory, the processor and the communication interface may complete communication with each other through the internal interface. If the memory, processor, and communication interface are implemented independently, the memory, processor, and communication interface may be interconnected and communicate with each other via a bus.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (4)
1. The method for establishing the forest surface combustible database is characterized by comprising the following steps of:
s1: the combustible type and the loading amount information are collected;
s2: collecting the water content information of combustible materials;
s3: drawing a thematic map according to the collected combustible type and load information and the combustible water content information; the thematic map includes: a combustible type and loading profile, and a combustible moisture content profile;
in the step S1, the combustible type and load information acquisition includes the following steps:
s11: collecting forest stand investigation factor information and combustible material amount data related to inferred combustible material information in the forest resource class investigation data, and determining the number and the position of investigation samples;
s12: determining forest combustible classification and coding;
s13: establishing an estimation equation of the combustible material load;
s14: transforming the forest survey data in the target area according to the classification and calculation equation of the forest combustible, and generating combustible type data and loading data in the target area;
the investigation factors related to the deduction of the combustible information in the forest resource class of investigation data comprise: average age of forest tree; tree species composition, breast diameter and tree height; the thickness of humus; thickness of the withered object; herb average height and coverage; and average height and coverage of shrubs;
the method for establishing the calculation equation of the combustible material load comprises the following steps: extracting dead combustible matter load, herb combustible matter load, shrub combustible matter load and arbor combustible matter load and total load calculation equations of 1 hour lag, 10 hour lag and 100 hour lag from forest class resource inventory data through investigation of the determined investigation sample land; investigation statistics of stand investigation factors and loads are performed within the plot: the dead combustible material adopts a four-corner sampling method, and the living combustible material adopts a harvesting method and a representative wood method; establishing an estimation equation for estimating the combustible material amount by the checking data;
in the step S3, the process of drawing the combustible type and the load distribution diagram includes: forming a bitmap geospatial database of the forest combustible classification sample places in the target area; drawing a grid map and a vector map of the distribution and the loading of the forest combustible;
the method for forming the bitmap geospatial database of the forest combustible classification sample site comprises the following steps:
carrying out data standardization processing on the forest resource continuous check sample plot survey data to ensure that the data content of relevant fields of the forest resource continuous check sample plot data is consistent; extracting relevant fields of the sample ground database to form a combustible classification working database; according to geographic coordinate data of the forest resource continuous checking sample plot, digital sample plot bitmaps are manufactured in a sub-population and a sub-population, and the digital sample plot bitmaps are spliced to form a unified sample plot bitmap, namely a forest combustible classification sample plot bitmap geographic space database is formed;
the method for drawing the grid map of the forest combustible distribution and the loading capacity comprises the following steps:
based on the geographical space database of the bitmap of the sample site of the forest combustible classification, classifying the forest combustible according to the data of each sample site, and manufacturing and generating a classification map of the sample site of the forest combustible; superposing a forest combustible matter sample distribution map; and (3) carrying out interpolation calculation on each grid in the kilometer grid graph of the target area by an interpolation calculation method to form a grid graph of forest combustible distribution and loading capacity of the target area.
2. A system for building a forest surface combustible database for use in the building method of claim 1, wherein the system for building a forest surface combustible database comprises:
combustible type and loading information module: the method comprises the steps of collecting combustible type and load information and generating combustible type data and load data;
the combustible water content information module comprises: the method is used for collecting the water content information of the combustible;
the thematic map drawing module: the method comprises the steps of drawing a thematic map according to collected combustible type and load information and combustible water content information; the thematic map includes: a combustible type and loading profile, and a combustible moisture content profile.
3. A computer-readable storage medium storing at least one program, characterized in that the method of establishing a forest land surface combustible database according to claim 1 is implemented when the program is executed by a processor.
4. An apparatus for creating a database of forest land surface combustibles, comprising a storage device and a processor, the storage device being configured to store one or more programs;
the processor implements the method of building a forest surface combustible database of claim 1 when the one or more programs are executed by the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491983.3A CN113190556B (en) | 2021-05-06 | 2021-05-06 | Method, system, medium and equipment for establishing forest surface combustible database |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491983.3A CN113190556B (en) | 2021-05-06 | 2021-05-06 | Method, system, medium and equipment for establishing forest surface combustible database |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113190556A CN113190556A (en) | 2021-07-30 |
| CN113190556B true CN113190556B (en) | 2024-03-29 |
Family
ID=76984152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110491983.3A Active CN113190556B (en) | 2021-05-06 | 2021-05-06 | Method, system, medium and equipment for establishing forest surface combustible database |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113190556B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117033536B (en) * | 2023-10-10 | 2023-12-15 | 中国科学技术大学 | Construction method of GIS-based urban combustible distribution database |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003123174A (en) * | 2001-10-11 | 2003-04-25 | Kajima Corp | Fire risk calculation system and method at building maintenance and management step, and computer program |
| CN112633588A (en) * | 2020-12-30 | 2021-04-09 | 中国林业科学研究院资源信息研究所 | Forest fire behavior potential prediction method based on multi-source data fusion |
-
2021
- 2021-05-06 CN CN202110491983.3A patent/CN113190556B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003123174A (en) * | 2001-10-11 | 2003-04-25 | Kajima Corp | Fire risk calculation system and method at building maintenance and management step, and computer program |
| CN112633588A (en) * | 2020-12-30 | 2021-04-09 | 中国林业科学研究院资源信息研究所 | Forest fire behavior potential prediction method based on multi-source data fusion |
Non-Patent Citations (1)
| Title |
|---|
| 孙龙 ; 鲁佳宇 ; 魏书精 ; 武超 ; 胡海清 ; .森林可燃物载量估测方法研究进展.森林工程.2013,(02),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113190556A (en) | 2021-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105095589B (en) | A kind of mountain area power grid wind area is distributed drawing drawing method | |
| Almazroui et al. | Application of landsat data for urban growth monitoring in Jeddah | |
| CN113325868B (en) | Crop real-time identification system and method based on unmanned aerial vehicle | |
| CN110458032A (en) | Lichee upgrowth situation complete monitoring method, system, Cloud Server and storage medium | |
| CN111950336A (en) | Vegetation canopy ecological water estimation method based on backpack type laser radar | |
| CN111667183A (en) | Method and system for monitoring cultivated land quality | |
| CN113190556B (en) | Method, system, medium and equipment for establishing forest surface combustible database | |
| Yildiz et al. | Monitoring urban growth by using segmentation-classification of multispectral Landsat images in Izmit, Turkey | |
| CN113204736A (en) | Method, system, medium and equipment for real-time monitoring and prediction of forest fire danger | |
| CN115049793A (en) | Digital twinning-based visualized prediction method and device for growth of trees of power transmission line | |
| Wang et al. | Estimation of carbon stock in urban parks: Biophysical parameters, thresholds, reliability, and sampling load by plant type | |
| Buechling et al. | Predictive habitat modeling of rare plant species in Pacific Northwest forests | |
| EKWAL et al. | Modelling of Habitat Suitability Index for Muntjac (Muntiacus muntjak) Using Remote Sensing, GIS and Multiple Logistic Regression. | |
| CN115830464A (en) | Plateau mountain agricultural greenhouse automatic extraction method based on multi-source data | |
| CN113238299A (en) | Method, system, medium and equipment for collecting real-time data of forest fire risk factors | |
| Alam et al. | Assessment of forest density using geospatial techniques of a tropical protected area | |
| KR102237505B1 (en) | Platform for processing spatial information of steep slope-land in real time based on Geo-cloud and data processing method therefor | |
| Değermenci | Estimation of land surface temperature from Landsat-8 OLI: comparative analysis of two periods for Duzce in Turkey | |
| Huyen et al. | Assessing Vegetation Cover Change Using Remote Sensing: Case Study at Binh Duong Province, Vietnam | |
| CN113360585A (en) | Forest fire disaster-causing factor data system construction method, system, medium and equipment | |
| Memduhoğlu | Identifying impervious surfaces for rainwater harvesting feasibility using unmanned aerial vehicle imagery and machine learning classification | |
| Tokura | Understanding changes in plant productivity using EVI satellite data in Tswalu Kalahari Reserve | |
| Posen et al. | Grand Teton Ecological Forecasting | |
| CN116596198B (en) | Urban green land biomass calculation method, device, electronic equipment and storage medium | |
| Posen et al. | Grand Teton Ecological Forecasting: Assessing Forage Change and Winter Habitat Availability for Bighorn Sheep that Employ a High-Elevation Overwintering Strategy to Identify Areas for Intervention |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |