A method by using a triple exponential model used to characterize the temporal and spatial characteristics of snow disaster resilience in pastoral areas
An exponential model and resilience technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of deepening the difficulty of the model, no corresponding results, and the resilience evaluation method staying at the conceptual level, so as to improve the targeted performance, enhance geographical orientation, enhance and guarantee the effect of sustainable development
Active Publication Date: 2019-01-04
INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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However, the chaotic state cannot be expressed in the model, only a qualitative description, and the stable state is only relatively existing, and the system itself is always in dynamic changes, which further increases the difficulty of the model, and no specific calculation formula is given
Due to factors such as the feasibility of existing models and the limitations of data availability, most resilience assessment methods remain at the conceptual level, and simple, comprehensive, and operable assessment models are still lacking. Research methods and empirical result
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[0074] (1) Research area
[0075] The source area of the Yangtze River and the Yellow River is referred to as the source area of the river, and the drainage area is 7.46×l04km 2 . The source area is located in the hinterland of the Qinghai-Tibet Plateau, with an average altitude of more than 4000m, and has typical climate characteristics of inland plateaus. The area is densely covered with rivers, numerous lakes and swamps, and snow-capped mountains and glaciers are widely distributed. It is the area with the highest altitude, the largest area and the most abundant wetland types in the world. It is known as the "source of rivers" and "Asian water tower". The source area is sensitive to climate change, and the temperature increase in the past half century is significantly higher than that of the whole country. The uncertainty of changes in meteorological factors such as temperature and precipitation has greatly increased the possibility of meteorological disasters. The so...
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The invention relates to the field of a pastoral snow disaster resilience evaluation method, in particular to a method for characterizing temporal and spatial characteristics of pastoral snow disasterresilience by a triple exponential model. The method includes the following steps: (1) triple index characterization index and calculation, the triple index is: snow disaster index SI, animal husbandry disaster index AI, geographic disaster reduction index GI; (2) calculating the vulnerability of animal husbandry system; (3) calculating the resilience of animal husbandry system; (4) establishingthe decomposition function of resilience structure of animal husbandry system; (5) spatial expression of triple exponent and resilience. Through a triple index model characterizing the spatial characteristics of snow disaster resilience in a pastoral area, the invention resolves the snow disaster resilience in the pastoral area into a comprehensive effect of triple structural variables of snow disaster index, animal husbandry anti-disaster index and geographic disaster reduction index, and reveals the temporal and spatial variation law of snow disaster resilience and triple structural variables in the pastoral area. The method can provide guarantee for improving resilience and sustainable development of snow disaster in pastoral areas.
Description
technical field [0001] The invention relates to the field of evaluation methods for snow disaster resilience in pastoral areas, in particular to a method for describing the spatio-temporal characteristics of snow disaster resilience in pastoral areas with a triple index model. Background technique [0002] Natural disasters are the most prominent negative product of man-land interaction, and they are also an important part of it. The post-disaster man-land system restoration and adaptability has become a social issue of human concern. How to deal with climate change and avoid potential risks of natural disasters is a key issue for man-land coordinated adaptation. The scientific community has launched the World Climate Research Program (WCRP) and the International Decade for Disaster Reduction (IDNDR) one after another. The four assessment reports (FAR, SAR, TAR, AR4) published by the Intergovernmental Panel on Climate Change (IPCC) indicate that the focus of current climate...
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Login to view more IPC IPC(8): G06F17/50G08B21/10G08B31/00
CPCG08B21/10G08B31/00G06F30/20Y02A90/10
Inventor 方一平赵霜
Owner INST OF MOUNTAIN HAZARDS & ENVIRONMENT CHINESE ACADEMY OF SCI
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