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An improved method of constructing a database of monthly climate observations and associated high-resolution grids

Mitchell, Timothy D., Jones, Philip D.·2005·International Journal of Climatology

Abstract

A database of monthly climate observations from meteorological stations is constructed. The database includes six climate elements and extends over the global land surface. The database is checked for inhomogeneities in the station records using an automated method that refines previous methods by using incomplete and partially overlapping records and by detecting inhomogeneities with opposite signs in different seasons. The method includes the development of reference series using neighbouring stations. Information from different sources about a single station may be combined, even without an overlapping period, using a reference series. Thus, a longer station record may be obtained and fragmentation of records reduced. The reference series also enables 1961–90 normals to be calculated for a larger proportion of stations. The station anomalies are interpolated onto a 0.5° grid covering the global land surface (excluding Antarctica) and combined with a published normal from 1961–90. Thus, climate grids are constructed for nine climate variables (temperature, diurnal temperature range, daily minimum and maximum temperatures, precipitation, wet-day frequency, frost-day frequency, vapour pressure, and cloud cover) for the period 1901–2002. This dataset is known as CRU TS 2.1 and is publicly available (http://www.cru.uea.ac.uk/). Copyright © 2005 Royal Meteorological Society

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Metadata

Authors
Mitchell, T. D., & Jones, P. D.
Venue
International Journal of Climatology
Publisher
Wiley
Published
2005
Volume
25
Issue
6
Pages
693-712
ISSN
  • 0899-8418 (ISSN-L)
  • 1097-0088
OpenAlex
W2117779820
Cited by
3,822
References
0
FWCI
118.50
Type
journal article
Language
en
Open access
closed

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