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Method and device for remote sensing monitoring of crop diseases and insect pests based on meteorological satellite data

A meteorological satellite and remote sensing monitoring technology, applied in the field of surveying, mapping and remote sensing, can solve the problems of low accuracy, poor real-time performance of early warning technology for diseases and insect pests, and high cost, and achieve the effects of low cost, cost saving, and wide monitoring range.

Active Publication Date: 2022-07-01
ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI +1
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Problems solved by technology

[0005] Aiming at the need for accurate and timely early warning of pests and diseases in provincial and municipal level research areas, the present invention proposes a method and device for remote sensing monitoring of crop diseases and insect pests based on SMAP and TRMM satellite data, and solves the problem of poor real-time performance, low accuracy and low cost of existing early warning technologies for diseases and insect pests. advanced questions

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  • Method and device for remote sensing monitoring of crop diseases and insect pests based on meteorological satellite data
  • Method and device for remote sensing monitoring of crop diseases and insect pests based on meteorological satellite data
  • Method and device for remote sensing monitoring of crop diseases and insect pests based on meteorological satellite data

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[0035] The invention proposes a remote sensing monitoring method for crop diseases and insect pests based on satellite data, which can be applied to various diseases such as rice blast, wheat scab, wheat stripe rust and the like. Using high temporal resolution (3 hours) SMAP and TRMM satellite data, the key meteorological elements affecting pests and diseases such as daily air temperature, air pressure, specific humidity, precipitation and wind speed are extracted in near real time, and then calculated using the air temperature, air pressure and specific humidity data. Relative humidity, and then according to the model, the daily contribution of these key meteorological elements to the disease and the contribution of precipitation per ten days to the disease are obtained. Finally, the daily contribution of key meteorological elements to the disease is used to calculate the occurrence and development index of crop diseases and insect pests every ten days. The purpose of monitori...

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Abstract

The invention discloses a method and device for remote sensing monitoring of crop diseases and insect pests based on meteorological satellite data. The method includes: acquiring SMAP and TRMM satellite image data and preprocessing the data, selecting corresponding meteorological factors according to the types of diseases and insect pests, and using inverse distance weights The two kinds of satellite data are interpolated by the method to obtain the key meteorological element data with the specified spatial resolution and specified time resolution in the study area; the daily data of the key meteorological elements in the study area are calculated according to Beijing time; the corresponding pest and disease pests are established by mathematical statistics methods Incidence index meteorological evaluation model; According to the daily data of the key meteorological elements of the designated disease and insect pest types in the study area and the corresponding meteorological evaluation model of the disease and insect pest incidence index, the disease and insect pest incidence index is calculated in a period of ten days; Generate thematic maps. The present invention can improve the real-time performance and accuracy of early warning, and the monitoring range is wider.

Description

technical field [0001] The invention belongs to the field of surveying and mapping remote sensing, in particular to a method and device for remote sensing monitoring of crop diseases and insect pests based on meteorological satellite data. Background technique [0002] Crop diseases and insect pests are one of the main natural disasters in my country, which are characterized by many types, great impacts, and frequent outbreaks. The occurrence, development and prevalence of almost all major crop diseases and insect pests are directly or indirectly related to meteorological conditions. Therefore, the key period and key meteorological factors that affect the occurrence and prevalence of crop diseases and insect pests are usually screened through the correlation study between the occurrence and prevalence of crop diseases and insect pests and meteorological conditions. Establish a monitoring and forecasting model for the occurrence and prevalence of crop diseases and insect pest...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G06V20/10
CPCG01N33/0098G06V20/188
Inventor 游炯刘海启杨泽宇刘琛郑高强冷伟
Owner ACADEMY OF PLANNING & DESIGNING OF THE MINIST OF AGRI
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