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Multi-climate-pattern output result set correction method

A technology for outputting results and multiple climates, applied in the field of hydrology, can solve the problem of large errors between estimated data and measured values

Inactive Publication Date: 2018-05-04
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

Therefore, the correction of the output results of the climate model is an important step in this work. The current correction methods are all based on the correction of the results of a single climate model, which also causes a large error between the estimated data and the measured value.

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Embodiment Construction

[0031] In the following detailed description, certain exemplary embodiments of the present invention are shown and described, simply by way of illustration. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature, and not restrictive.

[0032] A set correction method for multi-climate model output results, taking a research area as an example.

[0033] (1) Select M climate models from the climate models published by IPCC and classify them. According to the characteristics of the study area, it is classified according to latitude and longitude, precipitation and landform type. Among them: according to longitude and latitude, it is divided into high latitude, middle latitude, and low latitude; according to precipitation, it is divided into arid, semi-arid, semi-hu...

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Abstract

The invention discloses a multi-climate-pattern output result set correction method and provides a climate pattern classification mode, e.g. according to longitudes and latitudes, geomorphic types, etc. According to the method, a classification is judged according to meshes divided in a research region; formula parameters are solved in combination with a proposed multi-climate-pattern output result set calculation formula and measured value fitting; and finally a corrected prediction value is solved. Through the correction method, data information is fully utilized, combinations of climate patterns in different classifications are comprehensively considered, and compared with a previous simulation result of a single preferred climate pattern for the meshes, a simulation value is more approximate to a measured value and better conforms to the actual condition.

Description

technical field [0001] The invention belongs to the field of hydrology, and in particular relates to a multi-climate model output result set correction method. Background technique [0002] Global climate change is a hot issue that is widely concerned by governments, the scientific community, and even ordinary people. Many scientists have been paying attention to changes in temperature and precipitation, and strive to predict future trends from past and present changes. Under the background of global warming, regional precipitation shows a clear trend of increase or decrease. Climate change and its impact on regional water resources and ecology have attracted great attention from governments and scientists around the world. Scientifically predicting future climate change trends is the most important basic work for actively responding to climate change. The global climate model is an important tool for predicting future climate scenarios, and there are large uncertainties in...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N7/00G06Q10/04G06F17/11
CPCG06F17/11G06N7/00G06Q10/04Y02A90/10
Inventor 翁白莎马骏严登华史婉丽秦天玲何霄嘉
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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