FORUM

FORUM KJi W MICROCLIMATE EXPOSURES OF SURFACE-BASED WEATHER STATIONS Implications For The Assessment of Long-Term Temperature Trends BY CHRISTOPHER A . DAVEY AN D ROGER A . PIELKE SR. Ne w photographic metadata of eastern Colorado stations are examined, raising questions about the usefulness of current surface datasets for climate applications. he U.S. Historical Climate Network (USHCN; site contributes to the spatial coverage of the USHCN Karl et al. 1990) consists of a subset of stations network. Tfrom the National Weather Service (NWS) co- By themselves, these criteria, however, are not ad- operative (COOP) station network. The USHCN sta- equate in addressing specific station characteristics tions are used in the construction of homogeneous such as how well the instrument siting adheres to in- climate data reference series and in the detection and ternationally accepted standards of exposures (de- monitoring of long-term climatic trends. Stations are scribed fully in WMO 1996). In particular, it is im- selected for the USHCN dataset based on the length portant to know the site of stations relative to various of period of record, the percentage of missing data structures and surfaces. Generally, near-surface air in the station's record, the total number of station temperature observations http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bulletin of the American Meteorological Society American Meteorological Society

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Publisher
American Meteorological Society
Copyright
Copyright © American Meteorological Society
ISSN
1520-0477
eISSN
1520-0477
D.O.I.
10.1175/BAMS-86-4-497
Publisher site
See Article on Publisher Site

Abstract

KJi W MICROCLIMATE EXPOSURES OF SURFACE-BASED WEATHER STATIONS Implications For The Assessment of Long-Term Temperature Trends BY CHRISTOPHER A . DAVEY AN D ROGER A . PIELKE SR. Ne w photographic metadata of eastern Colorado stations are examined, raising questions about the usefulness of current surface datasets for climate applications. he U.S. Historical Climate Network (USHCN; site contributes to the spatial coverage of the USHCN Karl et al. 1990) consists of a subset of stations network. Tfrom the National Weather Service (NWS) co- By themselves, these criteria, however, are not ad- operative (COOP) station network. The USHCN sta- equate in addressing specific station characteristics tions are used in the construction of homogeneous such as how well the instrument siting adheres to in- climate data reference series and in the detection and ternationally accepted standards of exposures (de- monitoring of long-term climatic trends. Stations are scribed fully in WMO 1996). In particular, it is im- selected for the USHCN dataset based on the length portant to know the site of stations relative to various of period of record, the percentage of missing data structures and surfaces. Generally, near-surface air in the station's record, the total number of station temperature observations

Journal

Bulletin of the American Meteorological SocietyAmerican Meteorological Society

Published: Apr 1, 2005

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