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´ó¼ÒºÃ£¬ÎÒ´ÓNOAAÏÂÔØÁËÒ»Ì×È«ÇòÆøÎµÄÊý¾Ý£¨http://www.esrl.noaa.gov/psd/data/gridded/data.ghcncams.html£©£¬ÓÃmatlab'µÄncread¶Áȡ֮ºó£¬·¢ÏÖÊý¾ÝÀàÐÍΪdouble£¬ÊýÖµ·¶Î§ÔÚ[200 800]Ö®¼ä£¬ÓÃËüµÄadd_offsetºÍscale_factor´¦ÀíÖ®ºóÊýÖµÔÚ[479 485]·¶Î§£¬¾ÍËãÊÇ¿ªÊ϶ÈÒ²ÊDz»¶ÔµÄ£¬ÒòΪÕâÊÇÔÂÆ½¾ùÆøÎ¡£ÎÒÃÇʵÔÚÏë²»³öÀ´´íÔÚÄÄÀ¸½ÉÏÊý¾Ý¸ñʽ×ÊÁÏ£¬Çë´ó¼Ò´Í½Ì¡£ air Size: 720x360x797 Dimensions: lon,lat,time Datatype: int16 Attributes: long_name = 'Monthly mean of surface temperature' add_offset = 477.65 scale_factor = 0.01 missing_value = 32767 units = 'degK' actual_range = [234.07 315.72] dataset = 'NOAA/NCEP GHCN CAMS' var_desc = 'Air Temperature' level_desc = 'Surface' statistic = 'Mean' parent_stat = 'Other' valid_range = [-32765 7765] standard_name = 'air_temperature' cell_methods = 'time: mean' unpacked_valid_range = [150 400] |
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