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Peel , M. C.; Finlayson , B. L.; Mcmahon , T. A. (2007)
Publisher: European Geosciences Union
Journal: Hydrology and Earth System Sciences
Languages: English
Types: Article
Subjects: DOAJ:Earth and Environmental Sciences, [ SDU.ENVI ] Sciences of the Universe [physics]/Continental interfaces, environment, [ SDU.OCEAN ] Sciences of the Universe [physics]/Ocean, Atmosphere, G, Geography. Anthropology. Recreation, Technology, Physical geography, TD1-1066, [ SDU.STU ] Sciences of the Universe [physics]/Earth Sciences, DOAJ:Geography, T, GE1-350, DOAJ:Environmental Sciences, GB3-5030, Environmental technology. Sanitary engineering, Environmental sciences
Although now over 100 years old, the classification of climate originally formulated by Wladimir Köppen and modified by his collaborators and successors, is still in widespread use. It is widely used in teaching school and undergraduate courses on climate. It is also still in regular use by researchers across a range of disciplines as a basis for climatic regionalisation of variables and for assessing the output of global climate models. Here we have produced a new global map of climate using the Köppen-Geiger system based on a large global data set of long-term monthly precipitation and temperature station time series. Climatic variables used in the Köppen-Geiger system were calculated at each station and interpolated between stations using a two-dimensional (latitude and longitude) thin-plate spline with tension onto a 0.1&deg;&times;0.1&deg; grid for each continent. We discuss some problems in dealing with sites that are not uniquely classified into one climate type by the Köppen-Geiger system and assess the outcomes on a continent by continent basis. Globally the most common climate type by land area is BWh (14.2%, Hot desert) followed by Aw (11.5%, Tropical savannah). The updated world Köppen-Geiger climate map is freely available electronically at <aref="http://www.hydrol-earth-syst-sci.net/????">http://www.hydrol-earth-syst-sci.net/????<a>.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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