Pasturing area drought identification method and system and management platform

An identification method and a drought technology, which is applied in the field of meteorological monitoring, can solve the problems of low accuracy and achieve the effects of improving accuracy, improving recognition rate, and saving costs

Pending Publication Date: 2022-08-02
CHINA INST OF WATER RESOURCES & HYDROPOWER RES +1
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a drought identification method, system and managemen

Method used

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  • Pasturing area drought identification method and system and management platform
  • Pasturing area drought identification method and system and management platform
  • Pasturing area drought identification method and system and management platform

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] see figure 1 , is a pastoral drought identification method, including:

[0046] S1: Obtain the landsat9 data of the target area and the thermal infrared band value in the Landsat9 data; S2: Calculate the brightness temperature T according to the thermal infrared band value band and calculate the land surface temperature T from the brightness temperature LST ; S3: Obtain the red band and near-infrared band values ​​in Landsat9 data and calculate the normalized vegetation index NDVI; S4: Calculate the vegetation drought index DI according to the land surface temperature and the normalized vegetation index; S5: According to the value of DI to preliminarily judge the drought situation in the target area; if the DI is greater than or equal to the first threshold, then obtain the pictures of crops in the target area through the drone and input them into the first model to obtain its drought level; if the DI is less than the first threshold, It is suitable to directly output...

Embodiment 2

[0073] Example 2: see Figure 4 , a pastoral drought identification system, including:

[0074] Remote sensing module, data storage module, unmanned aerial vehicle module, control module, data processing module, data processing module is connected with unmanned aerial vehicle, control module is connected with unmanned aerial vehicle, data processing module, data processing module executes the above-mentioned pastoral area drought recognition methods.

Embodiment 3

[0075] Embodiment 3: The present invention also provides a management platform, which includes the above-mentioned pastoral area drought identification system, as well as a display terminal and an alarm module. The display terminal is connected to the identification system, and the identified conditions include normal, mild drought, Moderate drought and severe drought are displayed on the display terminal in different colors, and the corresponding management personnel are notified.

[0076] Those skilled in the art can clearly understand that for the convenience and brevity of the description, only the division of the above functional modules is used for illustration. The internal structure is divided into different functional modules to complete all or part of the functions described above. For the specific working process of the apparatus described above, reference may be made to the corresponding process in the foregoing method embodiments, and details are not described her...

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Abstract

The invention discloses a pasturing area drought identification method and system and a management platform. According to the pasturing area drought identification method, remote sensing data and image data shot by an unmanned aerial vehicle are combined, firstly, the drought condition is preliminarily judged through a drought index calculated through the remote sensing data, then crop images are shot through the unmanned aerial vehicle, and after a series of filtering processing, a model is input to obtain a drought grade result. According to the method, the system and the management platform provided by the invention, the labor cost can be saved, and the drought identification result with higher accuracy can be obtained.

Description

technical field [0001] The invention relates to the technical field of meteorological monitoring, in particular to a pastoral area drought identification method, system and management platform. Background technique [0002] At present, with the global warming, most regions are experiencing high temperature and dry climate. my country is a big country in agriculture and animal husbandry, and the problem of drought in agriculture and animal husbandry has always been paid more attention to. The degree of drought in pastoral areas affects the development of animal husbandry, and also restricts the sustainable development process of agricultural production activities and social and economic activities in my country. Drought is mainly a meteorological disaster caused by low rainfall, high temperature, high evaporation and low soil humidity in pastoral areas during the growing season of crops, resulting in lack of water in crops, affecting normal physiological activities of crops ...

Claims

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Application Information

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IPC IPC(8): G06V20/17G06V10/40G06V10/764G06V10/774
CPCG06V20/17G06V10/40G06V10/764G06V10/774Y02A90/10
Inventor 赵水霞王文君吴英杰全强周泉成赵紫洋尹航陈晓俊李玮李姗泽张伟杰毕吴瑕孙立新赵谦
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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