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
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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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