ISOEROSIVITY AND EROSION RISK MAP FOR SICILY

被引：99

作者：

FERRO, V

GIORDANO, G

IOVINO, M

机构：

[1] Istituto di Genio Rurale, Università di Reggio Calabria, Calabria

[2] Dipartimento Economia, Ingegneria e Tecnologie Agrarie (ETTA), Università di Palermo, Palermo, 90128, Viale delle Scienze

来源：

HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES | 1991年 / 36卷 / 06期

关键词：

D O I：

10.1080/02626669109492543

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

This paper reviews simplified methods for evaluating the rainfall erosivity index and proposes two relationships for estimating the annual value of Wischmeier's rainfall erosivity index at sites equipped with recording and non-recording raingauges. For the Sicilian region, the FAO index was also found to represent the erosion risk. A regional relationship to estimate the standard deviation of the annual erosivity index is proposed. The isoerosivity map is plotted by using 41 values of the rainfall erosivity index calculated by Wischmeier's procedure and 128 values estimated according to a relationship proposed by the authors. Finally, for each of 169 sites, an erosion risk index is calculated and an erosion risk map is plotted.

引用

页码：549 / 564

页数：16

共 37 条

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