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guojuwu

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[ÇóÖú] worldclim ÒÑÓÐ1È˲ÎÓë

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3Â¥2020-08-05 10:15:55
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guojuwu: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ·Ç³£¸Ðл£¡ 2015-03-18 23:18:40
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
2Â¥2015-03-16 17:03:55
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