Spatial variability in precipitation within the Hilton Experimental Site, Shropshire, UK (1982-2006).

2.50
Hdl Handle:
http://hdl.handle.net/2436/48495
Title:
Spatial variability in precipitation within the Hilton Experimental Site, Shropshire, UK (1982-2006).
Authors:
Subedi, Madhu; Fullen, Michael A.
Abstract:
Accurate precipitation measurements are essential for many hydrological and hydrogeological management strategies. Precipitation at the Hilton Experimental Site has been regularly measured since 1982. This paper summarises 157 rain gauge years of precipitation data, recorded between 1982 and 2006, using 11 rain gauges on the 0·5 hectare site. Precipitation varied markedly within the site. Precipitation totals were notably different between two adjacent rain gauges, the mean difference being 0·3% of the total. Variations in mean annual precipitation within the site were 8%. Spatial variations in wind turbulence appeared to be the main factor influencing intra-site variability. Precipitation totals varied with gauge exposure, with surface level gauges receiving 5·9% more precipitation than standard rain gauges, the difference being less lower down the slope. On a steep (15° ) slope, basal sections had 2·5-7·9% more precipitation. Upper gauges received less, probably due to turbulence as increased exposure on the top of the slope resulted in precipitation being carried over the gauge orifice. Results confirm that due attention must be given to the inherent variability of precipitation amounts when calculating precipitation inputs. Copyright © 2008 John Wiley & Sons, Ltd.
Citation:
Hydrologicial Processes, 23(2): 236-244.
Publisher:
Wiley InterScience
Journal:
Hydrological Processes
Issue Date:
2009
URI:
http://hdl.handle.net/2436/48495
DOI:
10.1002/hyp.7133
Additional Links:
http://www3.interscience.wiley.com/journal/121448743/abstract
Type:
Article
Language:
en
ISSN:
08856087; 10991085
Appears in Collections:
Plant and Environmental Research Group

Full metadata record

DC FieldValue Language
dc.contributor.authorSubedi, Madhu-
dc.contributor.authorFullen, Michael A.-
dc.date.accessioned2009-02-04T18:26:06Z-
dc.date.available2009-02-04T18:26:06Z-
dc.date.issued2009-
dc.identifier.citationHydrologicial Processes, 23(2): 236-244.en
dc.identifier.issn08856087-
dc.identifier.issn10991085-
dc.identifier.doi10.1002/hyp.7133-
dc.identifier.urihttp://hdl.handle.net/2436/48495-
dc.description.abstractAccurate precipitation measurements are essential for many hydrological and hydrogeological management strategies. Precipitation at the Hilton Experimental Site has been regularly measured since 1982. This paper summarises 157 rain gauge years of precipitation data, recorded between 1982 and 2006, using 11 rain gauges on the 0·5 hectare site. Precipitation varied markedly within the site. Precipitation totals were notably different between two adjacent rain gauges, the mean difference being 0·3% of the total. Variations in mean annual precipitation within the site were 8%. Spatial variations in wind turbulence appeared to be the main factor influencing intra-site variability. Precipitation totals varied with gauge exposure, with surface level gauges receiving 5·9% more precipitation than standard rain gauges, the difference being less lower down the slope. On a steep (15° ) slope, basal sections had 2·5-7·9% more precipitation. Upper gauges received less, probably due to turbulence as increased exposure on the top of the slope resulted in precipitation being carried over the gauge orifice. Results confirm that due attention must be given to the inherent variability of precipitation amounts when calculating precipitation inputs. Copyright © 2008 John Wiley & Sons, Ltd.en
dc.language.isoenen
dc.publisherWiley InterScienceen
dc.relation.urlhttp://www3.interscience.wiley.com/journal/121448743/abstracten
dc.subjectHydrologyen
dc.subjectHydrogeologyen
dc.subjectRainfallen
dc.subjectPrecipitationen
dc.subjectSpatial variabilityen
dc.subjectAir turbulenceen
dc.subjectRain gaugesen
dc.subjectSurface level rain gaugesen
dc.subjectStandard rain gaugesen
dc.subjectShropshireen
dc.subjectHilton Experimental Siteen
dc.titleSpatial variability in precipitation within the Hilton Experimental Site, Shropshire, UK (1982-2006).en
dc.typeArticleen
dc.identifier.journalHydrological Processesen
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