Publication Date:
2018-11-06
Description:
Aims at the hydrological analysis in the early stage of water conservancy project construction, studies the long series runoff and its variation law in Wuguan River, and analyzes the characteristics of annual and interannual changes in this paper, Provides basic support for the later reservoir construction. Based on the precipitation data (1959-2001) and the runoff data (1959-2014) from Wuguan hydrologic station, many methods such as statistical analysis, R/S, M-K trend test and mutation test were used to study the change rule of runoff. After that, influential factors of runoff were analyzed in the paper. Results show that the annual runoff of the Wuguan River is 1.53 million cubic meters, monthly runoff differs greatly in a year with clear period of concentration from Jul. to Oct.; Annual runoff showed a long-term decreasing trend and the mutation point appeared in 2010; Precipitation changes was the main cause of the decreasing runoff compared to human activities. Runoff fore...
Print ISSN:
1755-1307
Electronic ISSN:
1755-1315
Topics:
Geography
,
Geosciences
,
Physics
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