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Multi-source multi-scale rainfall data fusion method and device based on energy functional model

An energy functional and data fusion technology, applied in the field of data processing, can solve the problems of less consideration of long-time series fine spatiotemporal scale precipitation simulation, can not reproduce the actual spatial distribution of precipitation well, etc., and achieve accurate precipitation data fusion results. Effect

Active Publication Date: 2021-04-23
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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Problems solved by technology

However, in this series of advances, the simulation of long-term fine-scale precipitation in time and space is rarely considered, and most of the methods used are based on certain assumptions, which cannot well reproduce the actual spatial distribution of precipitation.

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  • Multi-source multi-scale rainfall data fusion method and device based on energy functional model
  • Multi-source multi-scale rainfall data fusion method and device based on energy functional model
  • Multi-source multi-scale rainfall data fusion method and device based on energy functional model

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[0040] The present invention will be described in detail below with reference to the accompanying drawings and examples. Each example is provided by way of explanation of the invention, not limitation of the invention. In fact, those skilled in the art will recognize that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used on another embodiment to yield a still further embodiment. Therefore, it is intended that the present invention includes such modifications and variations as come within the scope of the appended claims and their equivalents.

[0041] The fusion method of multi-source and multi-scale precipitation data based on energy functional model is as follows: figure 1As shown, the method includes: obtaining the first precipitation data and the second precipitation data of the research area, and processing the...

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Abstract

The invention provides a multi-source multi-scale precipitation data fusion method and device based on an energy functional model, and the method comprises the steps: obtaining first precipitation data and second precipitation data of a research region, and processing the first precipitation data and the second precipitation data to obtain third precipitation data of the research region, wherein the first precipitation data is obtained through CMORPH satellite inversion precipitation products, and the second precipitation data is obtained through a data sharing website of the national meteorological center; constructing an energy functional model according to the third precipitation data and the second precipitation data; and solving the energy functional model to obtain a precipitation data fusion result. The rainfall data fusion result obtained by the method is more accurate.

Description

technical field [0001] The invention belongs to the technical field of data processing, and in particular relates to a multi-source and multi-scale precipitation data fusion method and device based on an energy functional model. Background technique [0002] Precipitation is an important part of the global energy and water cycle process, an important indicator of climate change, and has a very important impact on human activities and social and economic development. High-quality information on the temporal and spatial distribution of precipitation is of great significance for the study of climate, ecology, hydrology and meteorological processes. At the same time, as the indispensable basic data in multidisciplinary interdisciplinary research such as atmospheric science, hydrology, geology, and ecology, precipitation data on fine temporal and spatial scales are important driving parameters for various research models, and their estimation accuracy is crucial for model simulat...

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Application Information

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IPC IPC(8): G06K9/62G06Q50/26G06N5/00G06N20/20
CPCG06Q50/26G06N20/20G06N5/01G06F18/251
Inventor 赵娜
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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