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   Ê±¼äÍù»Ø²¦42¸öÄêÍ·£¬»Øµ½1972Äê³õ¡£42λŷÃÀÆøºòѧÕßÔÚ²¼ÀÊ´óÑ§Î§ÈÆ¡°Ä¿Ç°µÄ¼ä±ùÆÚÔõÑùÒÔ¼°ºÎʱ½áÊø¡±ÕâÒ»ÎÊÌ⿪չÑÐÌÖ¡£½á¹ûÈÏΪ£¬±ùÆÚ¿ÉÄÜÂíÉϾÍÀ´£ºÎ´À´ÊýǧÄêÉõÖÁ¼¸¸öÊÀ¼ÍµÄ½µÎÂÒÔ¼°¿ìËÙ»·¾³±ä»¯£¬±ÈÈËÀàÎÄÃ÷ʱÆÚ¾­ÀúµÄÈκÎÒ»´Î²¨¶¯¶¼Òª¾çÁÒ£»±ØÐëÒªÔÚÆøºò¶ñ»¯Ö®Ç°³ä·ÖÈÏÊ¶Æøºò±ä»¯Ôì³ÉµÄ»·¾³ÔÖÄÑ¡£Í¬Äê12ÔÂ3ÈÕ£¬KuklaºÍ²¼ÀÊ´óѧ½ÌÊÚMatthewsÒÔÕâ´Î»áÒé½áÂÛΪÀ¶±¾£¬ÁªÃû¸øÃÀ¹úÄá¿ËËÉ×ÜͳµÄÒ»·âÐÅ£¬ÈÏΪÏÖÓÐÊý¾Ý²»×ãÒÔÔ¤²â±ùÆÚµ½À´µÄʱ¼äºÍÆÀ¹ÀÈËÀà»î¶¯µÄÓ°Ï죬½¨Òé²ÉÈ¡´ëÊ©»ý¼«Ó¦¶Ô¡£Õâ·âО­¹úÎñÔº¹ú¼Ê¿Æ¼¼ÊÂÎñ¾Öתµ½²¼ÀÊ´óѧ½ÌÊÚJohn ImbrieºÍ¸çÂ×±ÈÑÇ´óѧ½ÌÊÚWallace BroeckerÊÖÖÐÆÀÔÄ£¬¡ª¡ªÇ°Õß³öϯÁ˲¼ÀÊ´óѧµÄÑÐÌֻᣬºóÕßÏòÑÐÌÖ»áͶÁËÕªÒª£¬»¹ÊÇ×îÔçʹÓÃglobal warmingÕâ¸öÊõÓïµÄÈË¡£ÔÚËûÃǹ²Í¬Íƶ¯Ï£¬1974Äê8Ô£¬ÃÀ¹úÉÌÎñ²¿³ÉÁ¢Æøºò±ä»¯Î¯Ô±»á£¬Íƶ¯Æøºò±ä»¯Ñо¿¡£

   KuklaºÍMatthew»¹½¨ÒéÎ§ÈÆÒÔÏÂÒéÌ⿪չ¶àѧ¿ÆÑо¿£º¿ìËÙ»·¾³±ä»¯ÀúÊ·µÄÏêÏ¸ÖØ½¨£¬²»Í¬³ß¶ÈÆøºòµÄÖÜÆÚÐÔ£¬É³Á»ý»ÆÍÁ¡¢±ùо¼°É½ÔÀ±ù´¨µÄ¹ýÈ¥Æøºò±ä»¯¼Ç¼£¬ÆøºòϵͳµÄ¼ÆËã»úÄ£Ä⣬ÒÔ¼°Ì«Ñô»î¶¯¡¢Ì«Ñô´Å³¡¡¢µØÇò´Å³¡¡¢»ðɽÓëÆøºò±ä»¯µÄÏ໥×÷Óá£ÏÖÔÚ»ØÍ·È¥¿´ÕâЩ42ÄêǰÄâ¾ÍµÄ½¨Ò飬¼¸ºõ¾ÍÊÇÀú´ÎIPCCÆøºòÆÀ¹À±¨¸æµÚÒ»¹¤×÷×éµÄ´ó¸Ù£¬¡ª¡ª²»µÃ²»Ì¾·þ˹ÈË´ó±ÊÈ紪Ŀ¹âÈç¾æ¡£

   Ð´Õâ·âÐŵÄʱºò£¬Kukla»¹ÊǸçÂ×±ÈÑÇ´óѧLamont-Doherty Earth ObservatoryµÄÁÙʱ¹¤£¬Ö´ÐÐÒ»ÏîΪÆÚÒ»ÄêµÄ½»»»ÏîÄ¿¡£µ«ÊÇ£¬KuklaÔÚ1971Äêµ½ÃÀ¹ú֮ǰ£¬Æ¾½è¶Ô¶«Å·»ÆÍÁ³Á»ýµÄÑо¿ÔçÒÑÔÚѧ½çÉùÃûÏÔºÕ¡£

   Ëû1953ÄêÔÚ²¼À­¸ñ´óѧ»ñµÃ²©Ê¿Ñ§Î»¡£Ö®ºóÊýÄêÀËû̽¹ý¿¦Ë¹Ìض´Ñ¨£¬ÕÒ¹ý·Ç½ðÊô¿ó´²¡£´Ó1950Äê´úÄ©¿ªÊ¼£¬ËûµÄÐËȤÖð½¥¼¯Öе½»ÆÍÁÑо¿ÉÏ¡£ÔÚ1961Äê´úµÄÎÄÕÂÀËûÃèÊöÁ˸üÐÂÊÀÁË»ÆÍÁÍÁÈÀÌØÕ÷¡¢µØÇòÎïÀíÐÔÖÊ£¬»®·ÖÁË»ÆÍÁµØ²ã¡£¸ù¾Ý¼«ÆäÓÐÏ޵ĸ¹×ãÀ໯ʯºÍ´ÅÐԵزãÊý¾Ý£¬ËûÏñһλÏÈÖªÒ»Ñù£¬½«Å·ÖÞ¶«²¿µÄºÓÁ÷³Á»ýÎïÓë°¢¶û±°Ë¹É½±ùíÓ¡¢»ÆÍÁ(Ö÷ÒªÊǽݿËBrno¸½½üµÄČerveny KopecÆÊÃæ)ÓëÉ³Á»ý¡¢Milankovitch¹ìµÀÀíÂÛÁªÏµÆðÀ´£¬ÁîÈËÄÑÒÔÖÃÐŵØÈ·¶¨Á˶«Å·»ÆÍÁµÄÄê´úÒÔ¼°ÓëMilankovitchÖÜÆÚµÄÁªÏµ¡£1969ÄêËû·¢±íÁË¡°½Ý¿Ë˹Âå·¥¿Ë±ùÔµµØ´ø»ÆÍÁºÍ¾ÉʯÆ÷Periglazialzone Löss und Paläolithikum der Tschechoslowakei¡±Ò»ÎÄ£¬Ê×´ÎÀûÓÃMilankovitchÖÜÆÚÈ·¶¨Â½Ïà³Á»ýÎïµÄÄê´ú¡£7Äêºó£¬º£Ñó³Á»ýÎï²ÅÓÐÁËÏàËÆµÄ¹¤×÷£¬ÓÉHays, ImbrieºÍShackleton·¢±íÔÚScienceÉÏ£¬¡ª¡ª¶øÕâÆªÎÄÕ¡°Variationsin the Earth's Orbit: Pacemaker of the Ice Ages¡±±»ÈÏΪÊDZùÆÚ³ÉÒòµÄ¹ìµÀÀíÂÛ´Ó¼Ù˵×ßÏòʵ֤£¬ÓÉÀíÂÛ¿ªÊ¼Ó¦ÓõĸïÃüÖ®×÷¡£

   ÔÚWallace BroeckerµÄÓÎ˵Ï£¬Kuklaµ½ÃÀ¹úÖ®ºó»ý¼«Ñ°ÕÒ»ú»áÒÔÆÚÁôÔÚÃÀ¹ú¡£1973Ä꣬ËûÔÚLamont-Doherty Earth Observatory»ñµÃÒ»¸öְ룬×îÖÕ³ÉΪÃÀ¹ú¹«Ãñ¡£ºÍÉú»îÔÚËÕÁªÒõӰϵĽݿË˹Âå·¥¿ËʱÆÚÏà±È£¬ËûÔÚÃÀ¹úµÄÑÔÂÛ±äµÃ´óµ¨ÉõÖÁ¼¤½ø¡£±ÈÈ磬Ëû¿ÉÒÔÔÚÎÄÕÂдÏÂÕâÑùµÄ¾ä×Ó£º¡°ÎÒÃÇÏÖÔÚ¿ÉÒԿ϶¨£¬µØÇò¹ìµÀ±ä»¯Ôì¾ÍÁ˱ùÆÚ¡£Ö¤¾ÝºÜÃ÷°×£¬ÆäËû½âÊͶ¼¿ÉÒÔÈÓÁË¡££¨Weare certain now that changes in the Earth's orbital geometry caused the iceages. The evidence is so strong that other explanations must now be discardedor modified.£©¡±

   ×î³õÊýÄêÀËû³ÖÐøÔÚMilankovitchÀíÂÛÉÏÉîÈë̽Ë÷¡£´ÓÅ·ÖÞ»ÆÍÁ³Á»ý³ö·¢£¬ËûµÄÊÓÒ°Öð½¥À©Õ¹µ½º£Ñó³Á»ý£¬Å¬Á¦½«ÎÂÊÒÆøÌåŨ¶È¡¢µØ±í·´ÕÕÂÊ(»ýÑ©¡¢Ö²±»)¡¢ENSO¡¢Ë®ÆûÑ­»·ºÍ¾­ÑéÄ£ÐͽáºÏÆðÀ´ÍêÉÆMilankovitchÀíÂÛ¡£µ½1980Äê´ú³õ£¬ËûÒѾ­³ÉΪMilankovitchÀíÂÛµÄÁìÐäÈËÎï¡£2004Ä꣬Ëû»ñµÃÅ·Ö޵ؿÆÁª°ä·¢µÄMilankovitch½±Õ¡£

   Ä³ÖÖÒâÒåÉÏ£¬KuklaºÍÐÙÑÀÀûÊýѧ¼ÒPaulErdősÒ»Ñù£¬¶¼ÊÇÊÀ½ç¹«Ãñ¡£1980Äê´úÒÔÀ´£¬ËûºÍÁõ¶«Éú¡¢°²ÜÆÉú¡¢ÁõÐãÃú¡¢ÖÜÎÀ½¡µÈ¶àλѧÕßÔÚ»ÆÍÁÑо¿ÖÐÓÐÉîÈëºÏ×÷£¬¶ÔÖйú»ÆÍÁ¸ßÔ­µÄµØ²ã»®·Ö¡¢Äê´úģʽ¡¢¼¾·çÑÝ»¯µÈ¹ÅÆøºò»ù±¾ÎÊÌâ¶¼ÓÐÖØÒª¹±Ïס£ÕýÈçÖйúµÚËļÍÑо¿»áÀíʳ¤¶¡ÖÙÀñԺʿÔÚÑäµçÖÐ˵µÄÄÇÑù£¬¡°George was a great friend of China; the friendship has extended to at least three generations of Chinese loess scientists. His early collaboration with Chinese colleagues helped China¡¯s loess and Quaternary paleoclimate research merging into the international community, which eventually led to the establishment of the Chinese loess records as one of the most complete long-term archives of the past climate. His scientific work and advice had stimulated and encouraged numerous Chinese colleagues in the study of loess. Indeed, many of the present leading players in the field of loess and Quaternary paleoclimatology in China have had direct interaction with and benefited from George who had always beena close colleague and an inspiring mentor as well as a true friend.¡±

   1972ÄêKukla´µÏìÁËÈ«Çò±ä»¯Ñо¿µÄºÅ½Ç£¬³ÉΪµ±ÄêijһÆÚTIMEÖÜ¿¯·âÃæ¹ÊʵÄÖ÷½Ç¡£ÔÚµ±Ê±Óë»áµÄ42Î»Æøºòѧ¼ÒÖУ¬Ëû¼¸ºõÊǾøÎÞ½öÓеÄÖÁ½ñ¼á³Ö¡°±ùÆÚ¼´½«À´ÁÙ¡±µÄѧÕß¡£ËäÈ»½ÓÊܵ±Ç°µÄ±äůÓÐÈËÀàÒòËØµÄÓ°Ï죬ËûÈÔÈ»óÆ¶¨µØÈÏΪϸö±ùÆÚ½«ÓÚ5000ÄêÖ®ºóµ½À´¡£

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