Method for establishing model of response of flood characteristics of medium and small river basins to changing environment
A technology of small and medium-sized watersheds and response models, which can be applied to climate change adaptation, ICT adaptation, data processing applications, etc., and can solve problems such as frequent flood disasters and social and economic losses
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[0052] The technical solution of this patent will be described in further detail below in conjunction with specific embodiments.
[0053] See figure 1 , The method of constructing a model of the response of flood characteristics of small and medium-sized river basins to changing environments includes the following steps:
[0054] 1. Time series analysis: establish a hydrometeorological data set in the upper reaches of the Qihua River; use time series analysis methods to analyze the temporal and spatial pattern change characteristics of hydrometeorological elements such as precipitation and runoff in the study area, and determine the mutation points of precipitation and runoff changes;
[0055] include:
[0056] 1) Catastrophe analysis: Catastrophe is a non-linear change that can reveal the nature of the system to a certain extent; to understand the evolution of the water cycle, not only the overall trend needs to be analyzed, but also the time, frequency and range of the mutation mus...
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