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2013/1/18 news of the week@SCIENCEÖ®Áù£º2012Ä꣺ÓмǼÒÔÀ´×îÈȵÄÒ»Äê
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±¾ÖÜ×îºóÌõ£¬ÔÎÄÁ´½Ó£ºhttp://www.sciencemag.org/content/339/6117/256.1.full.pdf Washington, D.C. 6 NOAA: 2012 Hottest Year On Record for U.S. 2012Ä꣺ÓмǼÒÔÀ´×îÈȵÄÒ»Äê Last year saw the warmest average temperatures on record¡ªat least for the contiguous United States, according to a report released last week by the National Oceanic and Atmospheric Administration (NOAA). The average temperature was 13¡ãC, compared with a 20th century average of 11.2¡ãC. (The previous record-holder, 1998, saw average temperatures of 12.4¡ãC). The year consisted of ¡°a record warm spring, the second warmest summer, the fourth warmest winter, and a warmer than average autumn,¡± said climate scientist Jake Crouch, of NOAA¡¯s National Climatic Data Center, in a press conference on 8 January. The data do not address global temperatures, however. ¹ú¼Òº£ÑóºÍ´óÆø¹ÜÀí¾Ö£¨NOAA£©ÉÏÖÜ·¢²¼µÄÒ»·Ý±¨¸æÏÔʾ£¬È¥ÄêÊÇÓмǼÒÔÀ´Æ½¾ùÆøÎÂ×î¸ßµÄÒ»Äê----ÖÁÉÙÔÚÃÀ¹ú´ó½µØÇøÊÇÕâÑù¡£Æ½¾ùÆøÎÂ13¡ãC£¬Ïà±È¶øÑÔÕû¸ö20ÊÀ¼ÍµÄƽ¾ùÆøÎÂÖ»ÓÐ11.2¡ãC£¨Ö®Ç°×î¸ßƽ¾ùÎÂÊÇ1998ÄêµÄ12.4¡ãC£©¡£ÔÚ1ÔÂ8ºÅµÄÒ»´ÎÐÂÎÅ·¢²¼»áÉÏ£¬NOAAÊý¾ÝÖÐÐĵĿÆÑ§¼ÒJake Crouch˵£¬¡°ÓмǼÒÔÀ´×îůºÍµÄ´ºÌ죬µÚ¶þÑ×ÈȵÄÏÄÌ죬µÚËÄůºÍµÄÇïÌìºÍ¸ßÓÚÆ½¾ùÆøÎµĶ¬Ì족×é³ÉÁËÈ¥ÄêµÄËĸö¼¾½Ú¡£ Meanwhile, a draft of another climate related report¡ªthe U.S. Global Change Research Program¡¯s National Climate Assessment on the impact of global warming in the United States, released every 4 years¡ª was published on 11 January.It points to stronger evidence that the climate is changing rapidly, and primarily as a result of human activities, including the burning of fossil fuels¡ªand notes that there will be increasing impacts on crops and fresh water supplies. The report, written by a group of 240 scientists, will now undergo a 3-month period of public comment and review. Óë´Ëͬʱ£¬ÁíÍâÒ»·ÝÓëÆøºò±ä»¯ÓйصIJݰ¸ÓÚ±¾ÔÂ11ºÅ·¢²¼£¬¸Ã²Ý°¸Ã¿4Äê·¢²¼Ò»´Î£¬À´×ÔÓÚÃÀ¹úÈ«Çò±ä»¯Ñо¿¼Æ»®ÖУ¬ÖÂÁ¦ÓÚÑо¿Æøºò±äů¶ÔÃÀ¹úÓ°ÏìµÄ¹ú¼ÒÆøºòÆÀ¹ÀÏîÄ¿¡£ ²Ý°¸Ö¸³öÔ½À´Ô½Ç¿µÄÖ¤¾ÝÏÔÊ¾ÆøºòÕýÔÚ¿ìËٱ仯£¬¶øÇÒÖ÷ÒªÊÇÒòΪÈËÀà»î¶¯ÒýÆð£¬°üÀ¨È¼ÉÕ»¯Ê¯È¼ÁÏ¡£²Ý°¸Í¬Ê±Ò²¸æËßÈËÃÇҪעÒâÆøºò±ä»¯¶ÔÓÚÅ©×÷ÎïºÍµË®¹©Ó¦µÄÓ°ÏìÔ½À´Ô½´ó¡£Õâ·Ý²Ý°¸ÓÉ240λ¿ÆÑ§¼Ò±àд¶ø³É£¬È»ºó»á¹«Ê¾3¸öÔÂÕ÷¼¯ÆÀÂÛºÍÒâ¼û¡£ *************************************************************** ScienceµÄÔÎĺͱ¾·Òë½öÓÃÓÚÍøÓѽ»Á÷ѧϰ֮Óã¬ÈôÄúÓÐÆäËüÓÃ;£¬±ÈÈçÉÌÒµÓÃ;µÈ£¬ÇëÁªÏµScienceÔÓÖ¾ÉçÁ˽âÔÎÄʹÓÃȨµÈÏà¹ØÊÂÒË¡£Ð»Ð»£¡ [ Last edited by myIDname on 2013-1-29 at 11:39 ] |
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