Spatial and Temporal Characteristics of Rainfall Erosivity of Shanghai in Recent Ten Years

Ling Ling Wang; Er Yang; Jing Huang; Peng Jiao

doi:10.4028/www.scientific.net/AMM.295-298.2084

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 295-298Spatial and Temporal Characteristics of Rainfall...

Spatial and Temporal Characteristics of Rainfall Erosivity of Shanghai in Recent Ten Years

Abstract:

The daily precipitation of nine rainfall stations in recent ten years were taken as the analysis data. Combining the statistical method with GIS, the rainfall erosivity of nine rainfall stations was discretized spatially. And its temporal characteristics were analyzed by the statistical method of Mann-Kendal. The results showed that in the past ten years, the inter-annual rainfall erosivity distribution was uniform and its distribution in spatial was even. But in one year, the monthly rainfall erosivity exhibited strong variability and showed a bimodal distribution. And the two peak value occurred in July and August respectively. These results were useful to estimate the soil erosion and to divide the soil and water conservation zone in Shanghai.

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Periodical:

Applied Mechanics and Materials (Volumes 295-298)

Pages:

2084-2089

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.295-298.2084

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Online since:

February 2013

Authors:

Ling Ling Wang, Er Yang, Jing Huang, Peng Jiao

Keywords:

Rainfall Erosivity, Shanghai Metropolis, Spatial Characteristics, Temporal Characteristics

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