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首页> 外文期刊>東京大学地震研究所彙報 >飛騨山脈焼岳のGPS地殻変動観測と噴気孔温度観測(1992-2008)
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飛騨山脈焼岳のGPS地殻変動観測と噴気孔温度観測(1992-2008)

机译:飞弹山脉Yakedake的GPS地壳变形观测和喷气孔温度观测(1992-2008)

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摘要

飛騨山脈(北アルプス)は,最大標高3000mの巨大なrn花崗岩である.図1に飛騨山脈と松本盆地を示す.焼岳rn(図1のYKD地点)は飛騨山脈南部の長野・岐阜県境rnに位置する標高2455mのトロイデ火山であり,南部にrnある御嶽山を除けば,飛騨山脈で唯一有史以来噴火記録rnが多数残されている火山である.%Since 1992, crustal deformation at and around the Yake-dake volcano in the Hida mountains, central Japan, has been measured by the geodetic survey with a Global Positioning System (GPS), and the temperatures of fumaroles at the Yake-Dake volcano have been measured with a radiation thermometer since 1993. The GPS network, established at and around the Yake-dake volcano, Hida mountains, and in the Matsumoto basin, consists of five observation stations: Yake-dake, Kamiko-chi, Nakao, Kurio, and Shinshu University (Matsumoto city). The Yake-dake station is located at the Yake-dake observation platform, which is near the top of the mountain, and the Kamikochi and the Nakao stations are located at the foot of the volcano. The Kurio station is located at the middle foot of Mt. Nishihotaka-dake, and its altitude (2199 m, WGS84) is almost the same as that of Yake-dake station (2176 m). Observed data were analyzed using the broadcast ephemeris and the default meteorological values with the double difference technique.rnFrom the present GPS measurements, it was found that, for the baseline between Yake-dake and Kurio, about 3.7 km in length in the north-south direction, the temporal change of baseline length during the twelve years from 1996 to 2008 contracted —7 cm ( — 20ppm), and the variation of upheaval at Yake-dake became +3 cm during the same period, when fixed at Kurio (Nishihotaka-dake). On the other hand, for the baseline between Kamikochi and Nakao, located at the foot of the Yake-dake volcano, about 5.3 km toward the northwest-southeast direction, the temporal change of baseline length became within 1 cm (2 ppm) during the sixteen years from 1992 to 2008. Crustal deformation at and around the Yake-dake volcano during the last sixteen years, 1992-2008, and temperatures of fumaroles at the Yake-dake volcano during the last fifteen years, 1993-2008 are reported and discussed in the present study.
机译:飞ida山脉(北阿尔卑斯山)是一块巨大的花岗岩,海拔3000m。图1显示了飞ida山脉和松本盆地。 Yakedake rn(图1中的YKD点)是特洛伊德火山,海拔2455m,位于飞ida山脉南部长野县/岐阜县的边界。仍然有许多火山。 %自1992年以来,日本中部飞(山脉Yake-dake火山及其周围的地壳变形已通过全球定位系统(GPS)的大地测量进行了测量,而Yake-Dake火山中的喷气孔温度则达到了自1993年以来就用辐射温度计进行了测量。GPS网络建立在飞鸟山脉,飞ida山脉及其周围以及松本盆地的周围,由5个观测站组成:雁岳,神谷千代,中尾,栗尾,鸭岳站位于山顶附近的鸭岳观测台上,上高地站和中尾站位于火山脚下。该站位于西穗高岳山的中脚,其高度(2199 m,WGS84)与亚岳湖站(2176 m)的高度几乎相同,使用广播星历和默认双重气象价值从目前的GPS测量结果中可以发现,对于亚克-达克(Yake-dake)和栗尾(Kurio)之间的基线,南北方向的长度约为3.7 km,从1996年到2007年的十二年中基线长度随时间变化2008年收缩了7 cm(-20ppm),并且在固定于栗尾(西穗高湖)时,雅克湖的动荡变化在同一时期变为+3 cm。另一方面,上高地和中尾之间的基线位于亚克-达克火山脚下,向西南偏南方向约5.3 km,在1992年至2008年的16年间,基线长度随时间的变化在1 cm(2 ppm)之内。本研究报告并讨论了最近16年(1992-2008年)的亚克-达克火山以及最近15年(1993-2008年)的亚克-达克火山的喷气孔温度。

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