Method for measuring ecological compensation quantity based on remote-sensing images

An ecological compensation, remote sensing image technology, applied in special data processing applications, instruments, electrical digital data processing, etc., to achieve the effect of easy operation and reliable measurement data

Inactive Publication Date: 2013-10-09
QINGHAI NORMAL UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, how to measure the scientific ecological compensation value for different types of vegetation is still blank

Method used

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  • Method for measuring ecological compensation quantity based on remote-sensing images
  • Method for measuring ecological compensation quantity based on remote-sensing images
  • Method for measuring ecological compensation quantity based on remote-sensing images

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Embodiment

[0007] Embodiment: A method for measuring ecological compensation based on remote sensing images, the steps of which include: 1) In the target area, combine the obtained remote sensing image data and the temperature data of the meteorological station to investigate and investigate the temperature of the target area respectively. Photosynthetically active radiation index and actual light energy utilization index; 2) Input the NPP parameter estimation module to build a CASA model to estimate the net primary productivity. The estimation model is: where, APAR(x, t) is the pixel x in month t The absorbed photosynthetically active radiation, ε(x, t) is the actual light energy utilization rate of pixel x in month t; 3) Extract the NPP parameters in the NPP parameter estimation module through the data extraction module, and input them into the regional landscape value estimation module according to the area The landscape value estimation model is used for estimation, and the regional l...

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Abstract

The invention discloses a method for measuring ecological compensation quantity based on remote-sensing images. The method includes the steps that (1), in a target region, in combination with obtained data of the remote-sensing images and obtained temperature data of meteorological stations, a photosynthetic active radiation index and an actual solar energy utilization efficiency index for the target region are respectively investigated and inspected; (2), a NPP parameter estimating module is input, and a CASA model is established for estimating net primary productivity; (3), through a data extracting module, NPP parameters in the NPP parameter estimating module are extracted, a region landscape value estimating module is input, estimation is performed according to a region landscape value estimating model, and values of the ecological compensation quantity of types of vegetation in the measured region are obtained. The method for measuring the ecological compensation quantity based on the remote-sensing images has the advantage that through the finite remote-sensing data, the ecological compensation quantity of the different types of vegetation can be roughly measured.

Description

technical field [0001] The invention relates to a method for measuring ecological compensation, in particular to a method for measuring ecological compensation of different vegetation types through limited remote sensing data. Background technique [0002] For a long time, human beings have obtained economic products from natural ecosystems and their habitats to meet their own development needs, while ignoring the ecological service functions and natural carrying capacity of the system itself, resulting in the loss of ecosystem service functions and the deterioration of habitats , especially in the decline of system productivity, the reduction of biodiversity, and the degradation of the environment; especially the coupling of natural factors of global change and negative effects of human activities, which aggravates the load on the ecosystem and its habitats, making the ecosystem more Fragile. Scholars from all over the world have begun to study the relationship between eco...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00
Inventor 陈克龙韩艳莉
Owner QINGHAI NORMAL UNIV
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