A method, device and storage medium for determining biomass above ground in grassland

A biomass and grassland technology, applied in the field of remote sensing science, can solve problems such as the cost of human and material resources and the impact of model accuracy, and achieve the effect of solving human and material resources, fast and accurate acquisition, and ensuring universality.

Active Publication Date: 2022-03-18
CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiments of the present disclosure provide a method, device and storage medium for determining aboveground biomass of grasslands, so as to at least solve the problems in the prior art that the monitoring of aboveground biomass of grasslands requires a lot of manpower and material resources, and the accuracy of the model is easily affected. technical issues affecting

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  • A method, device and storage medium for determining biomass above ground in grassland
  • A method, device and storage medium for determining biomass above ground in grassland
  • A method, device and storage medium for determining biomass above ground in grassland

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Embodiment 1

[0026] According to this embodiment, an embodiment of a method for determining aboveground biomass of a grassland is provided. It should be noted that the steps shown in the flowcharts of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and , although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0027] The method embodiments provided in this embodiment can be executed in mobile terminals, computer terminals, servers or similar computing devices. figure 1 A block diagram of a hardware structure of a computing device for implementing a method for determining aboveground biomass of a grassland is shown. Such as figure 1 As shown, the computing device may include one or more processors (processors may include but not limited to processing devices such as microprocessors MCUs or programmable logic d...

Embodiment 2

[0131] Figure 8 A device 800 for determining aboveground biomass of a grassland according to this embodiment is shown, and the device 800 corresponds to the method according to the first aspect of Embodiment 1. refer to Figure 8 As shown, the device 800 includes: a pixel set determination module 810, configured to determine a pixel set corresponding to a predetermined area on the grassland, wherein the pixel set includes a plurality of pixels corresponding to the predetermined area; the pixel set to be evaluated selection module 820, used to select the pixel to be evaluated for evaluating aboveground biomass from the pixel set; remote sensing surface energy feature information determination module 830, used for remote sensing data of surface reflectance and thermal infrared remote sensing data corresponding to the pixel set , determine the remote sensing surface energy characteristic information corresponding to the pixel to be evaluated, the remote sensing surface energy c...

Embodiment 3

[0140] Figure 9 A device 900 for determining aboveground biomass of a grassland according to the first aspect of this embodiment is shown, and the device 900 corresponds to the method according to the first aspect of Embodiment 1. refer to Figure 9 As shown, the device 900 includes: a processor 910; and a memory 920, connected to the processor 910, for providing instructions for the processor 910 to process the following processing steps: determine the pixel corresponding to the predetermined area on the grassland A collection, wherein the pixel set includes a plurality of pixels corresponding to the predetermined area; select the pixel to be evaluated for evaluating aboveground biomass from the pixel set; according to the remote sensing data of surface reflectance and thermal infrared Remote sensing data, determine the remote sensing surface energy characteristic information corresponding to the pixel to be evaluated, and use the remote sensing surface energy characteristi...

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Abstract

The application discloses a method, device and storage medium for determining aboveground biomass of grasslands. Wherein, the method includes: determining a pixel set corresponding to a predetermined area on the grassland, wherein the pixel set includes a plurality of pixels corresponding to the predetermined area; selecting a pixel to be evaluated for evaluating aboveground biomass from the pixel set; According to the surface albedo remote sensing data and thermal infrared remote sensing data corresponding to the pixel set, determine the remote sensing surface energy feature information corresponding to the pixel to be evaluated, and the remote sensing surface energy feature information is used to evaluate the aboveground biomass; and according to the remote sensing surface energy feature information to determine the aboveground biomass corresponding to the pixel to be assessed.

Description

technical field [0001] This application relates to the field of remote sensing science and technology, in particular to a method, device and storage medium for determining aboveground biomass of grasslands. Background technique [0002] As a widely distributed land cover type with important economic and ecological functions, grassland is one of the most important natural resources. Aboveground biomass of grasslands reflects grassland productivity, provides basic food sources for animal husbandry, and marks the health of grassland ecosystems. Therefore, accurate monitoring of grassland aboveground biomass and its temporal and spatial dynamic changes is of great significance for sustainable macro and precise grassland management, understanding the response of grassland to climate change, and protecting and restoring grassland ecosystems. [0003] On a fine scale, aboveground biomass in grasslands is mainly based on a certain sampling strategy, which is monitored by direct har...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06V20/10
Inventor 孙丹峰焦心孙敏轩
Owner CHINA AGRI UNIV
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