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Development and application of topographic descriptors for conditional analysis of rainfall.

Ferranti, E. J. S. and Whyatt, James Duncan and Timmis, Roger James (2009) Development and application of topographic descriptors for conditional analysis of rainfall. Atmospheric Science Letters, 10 (3). pp. 177-184. ISSN 1530-261X

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Abstract

Upland rainfall is changing but regional climate models (RCMs) are poor at simulating observed precipitation in such areas of complex topography. This paper presents a method of examining observed rainfall patterns and processes under different conditions of synoptic meteorology and local topography. Objective topographic descriptors are defined and used to distinguish the modification of rainfall by local topography from that due to different synoptic conditions and climate change. A case study examining winter rainfall in Cumbria is presented. The conditional analysis method can be used to test RCM outputs so that model parameterisation can be improved.

Item Type: Article
Journal or Publication Title: Atmospheric Science Letters
Uncontrolled Keywords: GIS • rainshadow • uplands • Cumbria • climate change
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 26984
Deposited By: Dr Duncan Whyatt
Deposited On: 25 Aug 2009 16:57
Refereed?: Yes
Published?: Published
Last Modified: 06 Sep 2013 19:26
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/26984

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