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| Titel |
Radar hydrometeorology using a vertically pointing radar |
| VerfasserIn |
I. D. Cluckie, R. J. Griffith, A. Lane, K. A. Tilford |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1027-5606
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| Digitales Dokument |
URL |
| Erschienen |
In: Hydrology and Earth System Sciences ; 4, no. 4 ; Nr. 4, no. 4, S.565-580 |
| Datensatznummer |
250001880
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| Publikation (Nr.) |
 copernicus.org/hess-4-565-2000.pdf |
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| Zusammenfassung |
| A Vertically Pointing Radar (VPR) has been
commissioned and deployed at a number of sites in southern England, to
investigate numerically spatial and temporal variations in the vertical
reflectivity profile (Zvp); particularly those associated with the
intersection by the radar beam of a melting layer – the bright band.
Comparisons with data from other instrumentation, notably with the S-band
research radar at Chilbolton, but also with disdrometer data and rainfall
measurements from a number of sophisticated rain gauges, show that VPR scans of
the atmosphere provide detailed and reliable quantitative measurements of the Zvp.
Analysis of a three year archive of Zvp
data for Manchester has shown a bright band to be present in over 80% of
rainfall events, highlighting the extent of the problem of bright band errors in
scanning weather radar data. The primary characteristics of the bright band such
as the height and magnitude (in dBZ) of the top, bottom and peak are identified
objectively from VPR Zvp data
by an automatic bright band recognition algorithm. It is envisaged that this
approach could form the basis of an objective, automatic real time correction
procedure for scanning weather radars.
Keywords: Vertically Pointing Radar, weather radar, hydrometeorology,
bright-band, melting-layer, vertical radar reflectivity |
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