Representing Twentieth-Century Space-Time Climate Variability. Part I: Development of a 1961-90 Mean Monthly Terrestrial Climatology Export

@article{New1999_splines_climate, abstract = {The construction of a 0.5° lat × 0.5° long surface climatology of global land areas, excluding Antarctica, is described. The climatology represents the period 1961-90 and comprises a suite of nine variables: precipitation, wet-day frequency, mean temperature, diurnal temperature range, vapor pressure, sunshine, cloud cover, ground frost frequency, and wind speed. The climate surfaces have been constructed from a new dataset of station 1961-90 climatological normals, numbering between 19800 (precipitation) and 3615 (wind speed). The station data were interpolated as a function of latitude, longitude, and elevation using thin-plate splines. The accuracy of the interpolations are assessed using cross validation and by comparison with other climatologies. This new climatology represents an advance over earlier published global terrestrial climatologies in that it is strictly constrained to the period 1961-90, describes an extended suite of surface climate variables, explicitly incorporates elevation as a predictor variable, and contains an evaluation of regional errors associated with this and other commonly used climatologies. The climatology is already being used by researchers in the areas of ecosystem modelling, climate model evaluation, and climate change impact assessment. The data are available from the Climatic Research Unit and images of all the monthly fields can be accessed via the World Wide Web.}, author = {New, Mark and Hulme, Mike and Jones, Phil}, citeulike-article-id = {4704089}, citeulike-linkout-0 = {http://dx.doi.org/10.1175/1520-0442(1999)012%3C0829:RTCSTC%3E2.0.CO;2}, citeulike-linkout-1 = {http://www.geog.ox.ac.uk/~mnew/research/publications/new_et_al_20th_climate_part1_JoC.pdf}, day = {1}, doi = {10.1175/1520-0442(1999)012%3C0829:RTCSTC%3E2.0.CO;2}, issn = {1520-0442}, journal = {Journal of Climate}, keywords = {climate, gis, interpolation, precipitation, splines}, month = {March}, number = {3}, pages = {829--856}, posted-at = {2009-06-01 14:42:38}, priority = {2}, title = {Representing Twentieth-Century Space-Time Climate Variability. Part I: Development of a 1961-90 Mean Monthly Terrestrial Climatology}, url = {http://dx.doi.org/10.1175/1520-0442(1999)012%3C0829:RTCSTC%3E2.0.CO;2}, volume = {12}, year = {1999} }

TY - JOUR ID - New1999_splines_climate L3 - citeulike-article-id:4704089 N2 - The construction of a 0.5° lat × 0.5° long surface climatology of global land areas, excluding Antarctica, is described. The climatology represents the period 1961-90 and comprises a suite of nine variables: precipitation, wet-day frequency, mean temperature, diurnal temperature range, vapor pressure, sunshine, cloud cover, ground frost frequency, and wind speed. The climate surfaces have been constructed from a new dataset of station 1961-90 climatological normals, numbering between 19800 (precipitation) and 3615 (wind speed). The station data were interpolated as a function of latitude, longitude, and elevation using thin-plate splines. The accuracy of the interpolations are assessed using cross validation and by comparison with other climatologies. This new climatology represents an advance over earlier published global terrestrial climatologies in that it is strictly constrained to the period 1961-90, describes an extended suite of surface climate variables, explicitly incorporates elevation as a predictor variable, and contains an evaluation of regional errors associated with this and other commonly used climatologies. The climatology is already being used by researchers in the areas of ecosystem modelling, climate model evaluation, and climate change impact assessment. The data are available from the Climatic Research Unit and images of all the monthly fields can be accessed via the World Wide Web. IS - 3 JF - Journal of Climate SN - 1520-0442 EP - 856 TI - Representing Twentieth-Century Space-Time Climate Variability. Part I: Development of a 1961-90 Mean Monthly Terrestrial Climatology VL - 12 SP - 829 KW - climate KW - gis KW - interpolation KW - precipitation KW - splines AU - New, Mark AU - Hulme, Mike AU - Jones, Phil PY - 1999/03/01/ UR - http://dx.doi.org/10.1175/1520-0442(1999)012%3C0829:RTCSTC%3E2.0.CO;2 ER -