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guojuwu: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ·Ç³£¸Ðл£¡ 2015-03-18 23:18:40
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guojuwu: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ·Ç³£¸Ðл£¡ 2015-03-18 23:18:40
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Êý¾Ý¸ñʽhttp://www.worldclim.org/formats Êý¾ÝÏÂÔØhttp://www.worldclim.org/download 1. ¼ÓµØÍ¼Í¼²ãºÍworldclimÊý¾Ýͼ²ãµ½Arcmap. 2. toolbox --- spatial analyst tools -- zonal -- zonal statistics table. 3. input raster or feature zone data: µØÍ¼Í¼²ã zone field: µØÍ¼Í¼²ãµØ¶Î£¨CNTY-ID£© input value raster: worldclimÊý¾Ýͼ²ã output table£ºÎļþÃû.dbf (¼Óºó׺ºó½«Éú³ÉÒ»¸öÎı¾Îļþ±í¸ñ£¬ÕâµãºÜÖØÒª) Èç¹ûÒª°ÑworldclimÊý¾Ýͼ²ãµÄÖйú²¿·Ö½ØÈ¡³öÀ´£¬Ôò£º 1. toolbox --- spatial analyst tools -- extraction -- extract by mask 2. input raster: worldclimÊý¾Ýͼ²ã input raster or feature mask data: µØÍ¼Í¼²ã output raster: ÊäÈëͼ²ãÃû ×îºó¿ÉÐγÉÒ»¸öеĽØÈ¡Í¼²ã¡£ Worldclim Êý¾Ýͼ²ã˵Ã÷£º BIO1 = Annual Mean Temperature BIO2 = Mean Diurnal Range (Mean of monthly (max temp - min temp)) BIO3 = Isothermality (BIO2/BIO7) (* 100) BIO4 = Temperature Seasonality (standard deviation *100) BIO5 = Max Temperature of Warmest Month BIO6 = Min Temperature of Coldest Month BIO7 = Temperature Annual Range (BIO5-BIO6) BIO8 = Mean Temperature of Wettest Quarter BIO9 = Mean Temperature of Driest Quarter BIO10 = Mean Temperature of Warmest Quarter BIO11 = Mean Temperature of Coldest Quarter BIO12 = Annual Precipitation BIO13 = Precipitation of Wettest Month BIO14 = Precipitation of Driest Month BIO15 = Precipitation Seasonality (Coefficient of Variation) BIO16 = Precipitation of Wettest Quarter BIO17 = Precipitation of Driest Quarter BIO18 = Precipitation of Warmest Quarter BIO19 = Precipitation of Coldest Quarter |
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