Real-time irrigation forecasting system and method based on regional soil moisture status monitoring and remote sensing data

A technology of moisture monitoring and remote sensing data, applied in the field of real-time irrigation forecasting system, can solve problems such as spatial variability of moisture monitoring points, and achieve the effect of reducing power consumption and volume

Active Publication Date: 2014-10-29
CHINA INST OF WATER RESOURCES & HYDROPOWER RES +1
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Problems solved by technology

For regional irrigation forecasting, there are still issues such as the setting of moisture monitoring points and spatial variability that need to be resolved

Method used

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  • Real-time irrigation forecasting system and method based on regional soil moisture status monitoring and remote sensing data
  • Real-time irrigation forecasting system and method based on regional soil moisture status monitoring and remote sensing data
  • Real-time irrigation forecasting system and method based on regional soil moisture status monitoring and remote sensing data

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] like figure 1 As shown, the real-time irrigation forecast system based on regional moisture monitoring and remote sensing data in the present invention includes a remote sensing information moisture retrieval module 1 , a real-time regional moisture monitoring module 2 and a regional real-time irrigation forecast module 3 . The remote sensing information moisture inversion module 1 inverts the regional soil moisture based on the collected quasi-real-time remote sensing information, and transmits the determined regional moisture spatial distribution coefficient to the regional real-time irrigation forecast module 3; the regional moisture real-time monitoring module 2 performs real-time monitoring of the regional moisture monitor, and transmit the regional real-time moisture monitoring results to the regional real-time irrigation forecasting modu...

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Abstract

The invention relates to a real-time irrigation forecasting system and method based on regional soil moisture status monitoring and remote sensing data. The irrigation forecasting system comprises a remote sensing information soil moisture status inversion module, a regional soil moisture status real-time monitoring module and a regional real-time irrigation forecasting module. The remote sensing information soil moisture status inversion module transmits a determined regional soil moisture status spatial distribution coefficient to the regional real-time irrigation forecasting module; the regional soil moisture status real-time monitoring module transmits a regional real-time soil moisture status monitoring result to the regional real-time irrigation forecasting module; the regional real-time irrigation forecasting module selects a pixel corresponding to the soil moisture content or a soil moisture status monitoring point, fitting is carried out on the pixel and an actually measured value, a coefficient of distribution from a point scale to a regional scale is obtained, the coefficient and the soil water content or soil moisture status data monitored in real time are combined to simulate a regional scale soil water content or soil moisture status real-time spatial distribution map, and real-time forecasting of a regional irrigation situation is finished. The real-time irrigation forecasting system and method can be widely applied to the fields of irrigated area irrigation decision making and managing, regional drought monitoring and the like.

Description

technical field [0001] The invention relates to a real-time irrigation forecast system and method, in particular to a real-time irrigation forecast system and method based on regional moisture monitoring and remote sensing data. Background technique [0002] Due to the influence of global warming and the uneven distribution of rainfall in time and space, droughts have occurred frequently and intensified in northern my country, and even extreme droughts have appeared in some parts of the south. The risk of drought in agricultural irrigation areas will increase in the future. Therefore, rapid and accurate monitoring and evaluation of drought conditions can not only provide a scientific basis for water allocation in irrigation areas, but also facilitate the development of drought relief work, and play an important role in improving the management level of irrigation areas and ensuring national food security. [0003] As early as 1973, Brown and Rosenberg retrieved the thermal i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F19/00G08C17/02H04L29/06G01N33/24
Inventor 蔡甲冰刘钰陈鹤彭致功许迪杜丽娟李新白亮亮
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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