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//°ìÈÌOK #navi(../) RIGHT:2020ǯ2·î11ÆüºîÀ® (Registered Feb.11th 2020) RIGHT:2020ǯ2·î17Æü¸ø³« (Online Feb.17th 2020) RIGHT:2020ǯ2·î23Æü¹¹¿· (Update Feb.23rd 2020) #contents **ºÒ³²Ä´ºº¡¡²ÝÂê̾¡¡ÍÓÄý»³ÀãÊøÄ´ºº¡¡Hokkaido Mt. Yotei Snow Avalanche&color(red,){¡Ú®Êó¡ÛPrompt report}; [#xa6c7c44] #div(start,float:left) |~ ¸¦µæÂåɽ¼Ô&br;Organizer|&areaedit(){ÀãɹºÒ³²Ä´ºº¥Á¡¼¥à&br;Snow Avalanche Research Team,&br;Japanese Society of Snow and Ice.};|~¼Â»Ü´ü´Ö&br;Period|&areaedit(){2019-2020¥·¡¼¥º¥ó&br;2020ǯ2·î2ÆüÄ´ºº¼Â»Ü};| |~ ¸¦µæ»²²Ã¼Ô&br;Members|>|>|&areaedit(){ÆàÎÉ¡¡ÏË¡ÊÄ´ºº¥Á¡¼¥à¡¦¥µ¥Ã¥Ý¥í¥Ã¥¸¡Ë&br;Wataru NARA (Mountain Guide)&br;¾®ÅÄ¡¡¹îÂç¡ÊÄ´ºº¥Á¡¼¥à¡¦¥¢¥ë¥Ñ¥¤¥ó¥¬¥¤¥É¥Î¥Þ¥É¡Ë&br;Katsuhiro ODA (Mountain Guide) &br;°¤Éô¡¡Í¼¹á¡ÊÄ´ºº¥Á¡¼¥à¡¦»¥ËÚ»³³Ù¥¬¥¤¥É¥»¥ó¥¿¡¼¡Ë&br;Yuka ABE (Mountain Guide)&br;µÆÃÓ¡¡ÂÙ»Ò¡ÊÄ´ºº¥Á¡¼¥à¡¦¥¬¥¤¥É¥ª¥Õ¥£¥¹TAKT¡Ë&br;Yasuko KIKUCHI (Mountain Guide)&br;²¼»³¡¡¹¨¡ÊÄ´ºº¥Á¡¼¥à¡¦Ë̳¤Æ»Âç³ØÄã²¹²Ê³Ø¸¦µæ½ê¡Ë&br;Kou SHIMOYAMA (Institute of Low Temperature Science, Hokkaido Univ.)};| #div(end) #div(clear) **¡ÎÌÜ¡¡¡¡Åª¡ÏObjective [#q994ecfb] 2020ǯ2·î10Æü¤ËÍÓÄý»³¤ÇȯÀ¸¤·¤¿ÀãÊø¤ÎÄ´ºº¡£&color(red,){¡Ú®Êó¡Û}; Field observation and measurement in the vicinity of the snow avalanche area that occurred at Mt. Yotei on 10th Feb. Ãí¡Ë®Êó¤Ç¤¢¤ê¡¤ËÜÊó¹ð¤Þ¤Ç¤Ë¡¢ÊÔ½¸¤Ë¤è¤ê¥Ç¡¼¥¿¤¬Äɲ䵤졢¿ôÃÍÅù¤ÏÊѹ¹¤µ¤ì¤ë²ÄǽÀ¤¬¤¢¤ë¡¥ **¡ÎºÒ³²¤Î³µÍסÏOutline of the incident [#s0c3a812] ¡Ê¿·Ê¹ÊóÆ»¤Ê¤É¤Ë¤è¤ë¡Ë -2·î10Æü1500²á¤®¤ËÍÓÄý»³¤ËñÆÈ¹Ô¤ÇÆþ»³¤·¤¿¥¹¥Î¡¼¥Ü¡¼¥À¡¼¤Î²È²¤è¤êÁøÆñ¤Î²ÄǽÀͤê¤ÈÄÌÊó¡¥ -2·î11ÆüÁáÄ«¤è¤êÁܺ÷¤ò³«»Ï¤·¡¤0930º¢¤Ë¡¤ÍÓÄý»³´îÌÐÊÌ¥³¡¼¥¹²£¤ÎÂô¤ÇÀãÊø¤Î¥Ç¥Ö¥ê¤ËËäËפ·¤Æ¤¤¤ë¤Î¤òȯ¸«¡¥ -ËɺҹҶõÂâ¤Ë¤è¤ê»¥ËÚ°åÂç¤ËÈÂÁ÷¸å¡¤»àË´³Îǧ¡¥ **¡Î¼Â»ÜÆâÍÆ¡ÏTimeline of the investigation [#ydbd71d0] 2020ǯ2·î12Æü -06:30 ƻϩ¾ðÊó´Ûȯ -08:12 Æþ»³ (´îÌÐÊ̥롼¥È) -10:34 970 mÃÏÅÀ -11:20 ËäË×ÃÏÅÀÅþÃå -15:25 Ä´ºº½ªÎ», ²¼»³³«»Ï -16:14 ²¼»³ **¡ÎÀ®²Ì¤È¸ú²Ì¡ÏResults [#e04f4a09] ***¡ãÀÑÀãÄ´ººÃÏÅÀ¡äPositions of the investigated snow pits [#i7ad8cc6] |~ÀÑÀãÄ´ººÃÏÅÀ Pit-1&br;Invest.Place|~°ÞÅÙ&br;Lat|N42 ̊49¡Æ13.20¡Æ¡Ç|~·ÐÅÙ&br;Long|E140 ̊49¡Ç28.30¡Æ¡Ç|~ɸ¹â&br;Elev.|1110m asl.| |~|~Êý°Ì|S|~¼ÐÅÙ&br;Slope|ÀÑÀãɽÌÌ 40¡ë|>|>| |~ÀÑÀãÄ´ººÃÏÅÀ Pit-2&br;Invest.Place|~°ÞÅÙ&br;Lat|N42 ̊49'12.30¡Æ¡Ç|~·ÐÅÙ&br;Long|E140 ̊49'27.50¡Æ¡Ç|~ɸ¹â&br;Elev.|1120m asl.| |~|~Êý°Ì|ENE|~¼ÐÅÙ&br;Slope|ÀÑÀãɽÌÌ 40¡ë|>|>| ***¡ãÀãÊøÈϰϡäAvalanche area [#tb943fe2] |&attachref(200212_2.jpg,zoom,480x320,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};|&attachref(200212_3.jpg,zoom,480x320,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};| |&areaedit(){¿Þ1 ÀÑÀãÄ´ººÃÏÅÀÁ´·Ê};|&areaedit(){¿Þ2 ÀÑÀãÄ´ººÃÏÅÀ(2020ǯ2·î12Æü)&br;ÇËÃÇÌÌ¡ÊÀÖÀþ¡Ë¤Ï¡¤¼Ì¿¿¸¡¾Ú¡Ê¿Þ3¡Ë¤Ë¤è¤ê¡¤É¸¹â1450mÉÕ¶á¤Î7¹æÂôÆî¸þ¤¼ÐÌ̦ÌÌ¤ÈÆÃÄê¡¥};| ***¡ãÇËÃÇÌÌ¡¤È¯À¸¶è¼Ì¿¿¡äAvalanche trigger point [#w59e586a] |&attachref(200212_yotei_04.jpg,zoom,640x480,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};| |&areaedit(){¿Þ3 ÇËÃÇÌ̤«¤éÀãÊøÁöÏ©¡¤¥Ç¥Ö¥ê¤ÎÍͻҡÊ2·î11Æü»£±Æ¡Ë};| |&attachref(200212_yotei_05.jpg,zoom,640x480,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};| |&areaedit(){¿Þ4 ¥Ç¥Ö¥ê¤ÎÍͻҡÊ2·î11Æü»£±Æ¡Ë};| ***¡ãÀÑÀãÃÇÌÌÄ´ºº·ë²Ì¡äSnow profiles [#i5e7a04e] |>|>|~&areaedit(){ÀÑÀãÃÇÌ̹½Â¤};| |>|>|&attachref(200212_yotei_06.jpg,zoom,640x480,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};| |¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡|&areaedit(){ÀÑÀã´Ñ¬ÃÏÅÀ£±¡ÊPit-1¡Ë&br;ÀÑÀ㿼¡§290cm&br;¼ÐÌÌÊý°Ì¡§Æî&br;¼ÐÅÙ¡§40¡ë};|&areaedit(){ÀÑÀã´Ñ¬ÃÏÅÀ£²¡ÊPit-2¡Ë&br;ÀÑÀ㿼¡§260cm&br;¼ÐÌÌÊý°Ì¡§ÅìËÌÅì&br;¼ÐÅÙ¡§40¡ë};| |>|>|&areaedit(){¿Þ5 ÀÑÀãÃÇÌ̹½Â¤¡¡ËäË×ÃÏÅÀÉÕ¶á¤ÎÂôÃÏ·ÁÆî¸þ¤¤ª¤è¤ÓÅìËÌÅì¸þ¤¤Î¼ÐÌ̤Ǽ»Ü&br;¡¡¡¡Æü»þ¡§2020ǯ2·î12Æü&br;¡¡¡¡É¸¹â¡§Ìó1100m};| &br; |~Pit-1¡ÊÆî¸þ¤¡Ë|~Pit-2¡ÊÅìËÌÅì¸þ¤¡Ë| |&attachref(200212_yotei_07.jpg,zoom,480x360,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};|&attachref(200212_yotei_10.jpg,zoom,480x360,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};| |&areaedit(){¿Þ6a Pit-1 ÀÑÀ㹽¤¡Ê£±¡Ë};|&areaedit(){¿Þ6b Pit-2ÀÑÀ㹽¤¡Ê£±¡Ë};| |&attachref(200212_yotei_08.jpg,zoom,480x360,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};|&attachref(200212_yotei_11.jpg,zoom,480x360,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};| |&areaedit(){¿Þ7a Pit-1ÀÑÀã¼Ì¿¿};|&areaedit(){¿Þ7b Pit-2ÀÑÀã¼Ì¿¿};| |&attachref(200212_yotei_09.jpg,zoom,480x360,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};|&attachref(200212_yotei_12.jpg,zoom,480x360,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};| |&areaedit(){¿Þ8a Pit-1ÀÑÀ㹽¤¡Ê2¡Ë};|&areaedit(){¿Þ8b Pit-2ÀÑÀ㹽¤¡Ê2¡Ë};| **¾åµ°Ê³°¤ÎÃÏÅÀ¤Ç¤Î¥³¥ó¥×¥ì¥Ã¥·¥ç¥ó¥Æ¥¹¥È¡ÊCT¡Ë [#r18daa82] |>|&attachref(200212_yotei_14.jpg,zoom,640x480,button){²èÁüÄ¥¤êÉÕ¤±¥Ü¥¿¥ó};| |&areaedit(){CT-2:&br;Aspect¡§S, Incline¡§38˚&br;CTM13 d32 SP&br;CTH22 d117 BRK};|&areaedit(){CT-1:&br;Aspect¡§SE, Incline¡§25˚&br;CTH24 d24 SC&br;CTH27 d55 SC};| |>|&areaedit(){¿Þ9 Pit-1 Pit-2°Ê³°¤ÎÃÏÅÀ¤ÇÄ´ºº¥Á¡¼¥à¤¬¼Â»Ü¤·¤¿¥³¥ó¥×¥ì¥Ã¥·¥ç¥ó¥Æ¥¹¥È&br;¡¡¡¡¡Ê¥È¥é¥Ð¡¼¥¹Ãæ¤ÎÇËÃǤÏÄ´ºº¥Á¡¼¥à¤Î¤â¤Î¤Ç»ö¸Î¼Ô¤È¤Ï̵´Ø·¸¡Ë};| &br;&br; 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