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A rainfall intensity-duration threshold for landslides in a humid- tropical environment, Puerto Rico

Geografiska Annaler, Series A

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Abstract

The leading cause of landslides in Puerto Rico is intense and/or prolonged rainfall. A rainfall threshold for rainfall-triggered landsliding is delimited by 256 storms that occurred between 1959 and 1991 in the central mountains of Puerto Rico, where mean annual rainfall is close to or in excess of 2000mm. Forty-one of the 256 storms produced intense and/or prolonged rainfall that resulted in tens to hundreds of landslides. As storm durations approach 100 h, the rainfall conditions necessary to initiate landsliding in Puerto Rico converge with those defined for temperate regions. -from Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
A rainfall intensity-duration threshold for landslides in a humid- tropical environment, Puerto Rico
Series title:
Geografiska Annaler, Series A
Volume
75 A
Issue:
1-2
Year Published:
1993
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Geografiska Annaler, Series A
First page:
13
Last page:
23
Number of Pages:
11