¥_·¥¾ð¤ì¸gªe¬y¤J®ü°ï¿n Åܤì½èÄqþH§Î¦¨ªø´ÁºÒÀx¦s
¡i©ú³ø±M°T¡j¦b¥_·¥¦a°Ï¡AˤUªº¾ð¤ì³q¹Lªe¬y±q´ËªL¬y¤J¤j®ü¡C³o¨Çì¤ìÀHþÓ¦±§éªºªe¬y¦Ó°ï¿n¡A§Î¦¨ªø´ÁªººÒÀx¦s¡Cµoªí©ó¡m¦a²yª«²z¬ã¨s³q°T¡n(Geophysical Research Letters)ªº¤@¶µ³Ì·s¬ã¨sø»s¤wª¾³Ì¤jªº¤ì½èÄqþH¡AÂл\¥[°ê¥_³¡§V¯ÇªZ¯S¦a°Ïªº³ÁªÖ»ôªe¤T¨¤¬w(Mackenzie River Delta)52¥¤è¤½¨½ªº±¿n¡A¨Ãpºâ¥X³o¨Çì¤ì¦@Àx¦s¬ù310¸U¤½¾·ºÒ¡A¬Û·í©ó250¸U½ø¨T¨®¨C¦~ªº±Æ©ñ¶q¡C
¬ã¨s¤Hû¨Ï¥Î°ª¸Ñ¹³«×ªº½Ã¥Í¹Ï¹³©M¾÷¾¹¾Ç²ßø»s¾ãÓ¤T¨¤¬wªº¤ì½è¨I¿nª«¦a¹Ï¡C¥LÌÁٱĶ°¬ù80Ӽ˥»¡A¨Ã¨Ï¥Î©ñ®gºÒ¦~¥N´ú©w¨Ó½T©wì¤ìªº¦~ÄÖ¡C¬ã¨sÅã¥Ü¡A±Ä¼Ëªº¾ð¤ì¦~ÄÖ±q¤½¤¸690¦~¨ì2015¦~¡A¦ý¨ä¤¤¬ù40%¬O¦b1955¦~«á¶}©l¥Íªøªº¡C¥_·¥´H§N¡B°®Àê©Îµ²¦BªºÀô¹Ò·N¨ýþÓ¾ð¤ì¥i¥H«O¦s¼Æ¸U¦~¡C
¬ã¨sµo²{¡A³oÓ¥Ñ40¦h¸UÓ·L«¬¤ìÀYÂðÎÂI²Õ¦¨ªºÄqþHÀx¦s¬ù310¸U¤½¾·ºÒ¡A¨ä¤¤³Ì¤jªº³æ¤@ÄqþH±¿n¬°11.26¸U¥¤è¦Ì¡A¬Ûµ¥©ó20Ó¬ü¦¡¨¬²y³õ¡AÀx¦s6700¤½¾·ºÒ¡C
¬ã¨sªº¥Dn§@ªÌ¡B±K·²®Ú²z¤u¤j¾Ç(Michigan Technological University)¬ã¨s¤uµ{®v´Ë¼wù´µ°ò(Alicia Sendrowski)ªí¥Ü¡A¤Wz¬ã¨sµ²ªG¥u¬O³Ì«O¦u¦ôp¡A¦]¬°¥¦¤£¥]¬A¾ð«a¥H¤U³Q±»®I©Î²T¨Sªº¤ì§÷¡C¦o«ü¥X¡A¥Ñ©ó¤gÄ[§tºÒ¶qÅå¤H¡A³ÁªÖ»ôªe¤T¨¤¬w¬OºÒÀx¦sªº¡u¼öÂI¦a°Ï¡v¡A¦ý¦]¹ï¥_·¥¤T¨¤¬wì¤ìªº¦~ÄÖ¥H¤Î¨äºÒ§t¶q¯Ê¥F¬ã¨s¡A¾ÉPºÒ´`Àô¦ôp¦s¦b®t¶Z¡C