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Method for evaluating influence of drought on productivity

A drought and evaluation model technology, applied in the field of disaster assessment data processing, can solve the problem of underestimation of the impact of ecosystem productivity

Inactive Publication Date: 2019-07-16
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

Therefore, ignoring the effect of drought duration may have resulted in an underestimation of the impact of drought on ecosystem productivity

Method used

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  • Method for evaluating influence of drought on productivity
  • Method for evaluating influence of drought on productivity

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0037] The technical scheme of the invention discloses a drought impact assessment method.

[0038] Step 1, constructing a drought impact assessment model; the various drought impact assessment models correspond to different grassland types;

[0039] The technical solution of the present invention can build a drought impact assessment model based on the Biome-BGC model. The Biome-BGC model uses climate, soil and vegetation types as input data, and can simulate spa...

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Abstract

The invention discloses a method for evaluating the influence of drought on grassland productivity. The method comprises the following steps: constructing a drought influence evaluation model; receiving a request, sent by a user, for obtaining target area drought influence assessment data; acquiring drought strength and drought duration for representing the drought condition of the target area under the evaluation period scale of the current request; selecting a drought influence evaluation model based on the requested grassland type of the target area; inputting the obtained drought strengthand drought duration into a selected drought influence assessment model for assessment calculation, and outputting drought influence assessment data; and feeding back the obtained drought influence assessment data to the user who sends the request. By adopting the technical scheme provided by the invention, the influence of drought on the productivity of the grassland ecosystem can be evaluated more accurately and quickly.

Description

technical field [0001] The invention relates to the technical field of disaster assessment data processing, in particular to a drought impact assessment method. Background technique [0002] Drought has become the most widespread natural disaster in the world. The current disturbance pattern and global changes have exerted a series of impacts on the available resources of the ecosystem, which has caused serious impacts on the productivity of the ecosystem, which has attracted widespread attention from all over the world. China is a country with frequent droughts, especially in arid and semi-arid regions. At present, the assessment of drought losses at home and abroad mainly focuses on agriculture (including planting and animal husbandry), and there are few studies on drought losses in other aspects, such as ecology and socioeconomics (urban domestic water use). At present, many scholars study the impact of climate change on ecosystems from the perspective of ecosystem func...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/0639G06Q50/26
Inventor 雷添杰冯杰路京选程慧秦景张炬李世灿李爱丽宫阿都李杨王嘉宝常凊睿曲伟李小涛李琳周杰宋文龙庞治国付俊娥孙涛姬大斌汪洋刘中伟万金红蒲立
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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