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Multilayer soil moisture simulation method and multilayer soil moisture simulation system

A soil moisture and simulation method technology, applied in the field of ecohydrology, can solve problems such as the inability to meet the spatial and dynamic requirements of multi-layer soil moisture simulation

Active Publication Date: 2014-03-19
INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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Problems solved by technology

[0008] The present invention provides a multi-layer soil moisture simulation method and system to solve the technical problems in the prior art that cannot meet the spatial and dynamic requirements of multi-layer soil moisture simulation

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  • Multilayer soil moisture simulation method and multilayer soil moisture simulation system

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Embodiment Construction

[0182] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0183] Embodiments of the present invention firstly provide a multi-layer soil moisture simulation method, see figure 1 ,include:

[0184] Step 101: Construct a soil water layer equilibrium model, and adjust the model structure in combination with remote sensing technology.

[0185] Step 102: Use remote sensing technology to obtain model paramet...

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Abstract

The invention provides a multilayer soil moisture simulation method and a multilayer soil moisture simulation system. The method comprises the steps of establishing a soil moisture layer equilibrium model, and adjusting the structure of the model by combining a remote sensing technology; acquiring model parameters by the remote sensing technology, and establishing a watershed hydrological spatial information database; and carrying out multilayer soil moisture process numerical simulation by utilizing the adjusted soil moisture layer equilibrium model and the watershed hydrological spatial information database. According to the method and the system, a remote sensing inversion method is coupled with the traditional typical soil moisture layer equilibrium model, so that the model with a clear and definite physical mechanism and simple structure can be established, a certain soil moisture simulation accuracy can be maintained, and spatialization and dynamism of multilayer soil moisture simulation can be realized.

Description

technical field [0001] The invention relates to the field of ecohydrological sciences, in particular to a multi-layer soil moisture simulation method and system. Background technique [0002] Soil moisture is an important part of the water cycle and an important indicator parameter in the fields of hydrology, meteorology and agricultural science research. Changes in soil water content and movement profoundly affect the transformation process of soil internal substances, and play an important role in agricultural production, ecological environment construction and protection through evapotranspiration. In the Global Soil Wetness Project (GSWP), soil water has been discussed and studied as a special topic, and has become one of the important focuses of global change research. Therefore, it is of great practical significance to study the mechanism of soil moisture change and clarify the soil moisture content and migration rules to strengthen regional water resource management,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/24
Inventor 王玉娟王树东张立福刘佳王晓华吴太夏杨杭岑奕
Owner INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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