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First evidence of a structured and dynamic spatial pattern of rainfall within a small humid tropical catchment.

Bidin, K. and Chappell, Nick A. (2003) First evidence of a structured and dynamic spatial pattern of rainfall within a small humid tropical catchment. Hydrology and Earth System Sciences, 7 (2). pp. 245-253. ISSN 1027-5606

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Abstract

In a study of the spatial variability of rainfall across a network of 46 raingauges in a 4 km2 rainforest catchment in the interior of northeastern Borneo, seasonal rainfall totals were correlated with raingauge separation distance, aspect and relief. A very high degree of spatial variability in seasonal totals across a very small area was found, even in comparison with other regions experiencing convective rainfall. Moreover, it shows systematic, stochastic structure in rainfall is present over scales of 10s to 100s metres; these patterns change from the southwest monsoon (May-October) to the northeast monsoon (November-April). Local associations with aspect and relief are present but the seasonal changes in rainfall pattern over the whole 4 km2 catchment must relate to more complex local topographic effects on the regional windfield.

Item Type: Article
Journal or Publication Title: Hydrology and Earth System Sciences
Uncontrolled Keywords: catchment ; Malaysia ; monsoon ; rainfall ; spatial variability
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 21371
Deposited By: ep_ss_importer
Deposited On: 12 Jan 2009 14:38
Refereed?: Yes
Published?: Published
Last Modified: 18 Feb 2013 10:03
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/21371

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