A high-resolution data set of surface climate over global land areas

We describe the construction of a 10' latitude/longitude data set of mean monthly surface climate over global land areas, excluding Antarctica. The climatology includes 8 climate elements—precipitation, wet-day frequency, temperature, diurnal temperature range, relative humidity, sunshine durat...

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Bibliographic Details
Published in:Climate research 2002-05, Vol.21 (1), p.1-25
Main Authors: New, Mark, Lister, David, Hulme, Mike, Makin, Ian
Format: Article
Language:English
Subjects:
Climate change
Climatic zones
Climatology
Datasets
Global climate models
Interpolation
Precipitation
Relative humidity
Topographical elevation
Wind velocity
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Description
Summary:We describe the construction of a 10' latitude/longitude data set of mean monthly surface climate over global land areas, excluding Antarctica. The climatology includes 8 climate elements—precipitation, wet-day frequency, temperature, diurnal temperature range, relative humidity, sunshine duration, ground frost frequency and windspeed—and was interpolated from a data set of station means for the period centred on 1961 to 1990. Precipitation was first defined in terms of the parameters of the Gamma distribution, enabling the calculation of monthly precipitation at any given return period. The data are compared to an earlier data set at 0.5º latitude/longitude resolution and show added value over most regions. The data will have many applications in applied climatology, biogeochemical modelling, hydrology and agricultural meteorology and are available through the International Water Management Institute World Water and Climate Atlas (http://www.iwmi.org) and the Climatic Research Unit (http://www.cru.uea.ac.uk).
ISSN:0936-577X
1616-1572
DOI:10.3354/cr021001