Surface Stone Displacement in Freeze-thaw Conditions on a Temperate Low-mountain Peak in Northeastern Japan(<Featured Articles>Turkey-Japan Joint Conference on Geomorphology)
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概要
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Continuing observation on wind-beaten bare ground patches spread on a low mountain peak in the temperate forest zone revealed the occurrence of surface stone movement in repeating freeze and thaw condition. Maximum displacement of stone in each winter reaches about 1m on a sloping ground about 10 to 20 degree slant. It is evident that the stone movement occurs as a consequence of frost creep. In addition, gelifluction and related phenomena are suggested to play an important role in the massive displacement of surface stone. Gelifluction seems to be induced with water supply from not only frozen ground but also snow which fills-up spaces among exposed stones and covers thicket nearby. The combination of forest creep and gelifluction is possible to explain the effective performance of localized periglacial processes in relatively warmer and wetter climate.
- 2011-04-25
著者
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Sone Toshio
Institute Of Low Temperature Science Hokkaido University
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Sone Toshio
Hokkaido University
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Seto Masayuki
Rissho Univeristy
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Tamura Toshikazu
Faculty Of Geo-environmental Science Rissho University
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SETO Masayuki
Geosphere Research Institute, Saitama University
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SUE Akihito
Graduate School of Geo-environmental Science, Rissho University
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ISHIDA Takeshi
Formerly Open Research Center, Graduate School of Geo-environmental Science, Rissho University
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Sue Akihito
Graduate School Of Geo-environmental Science Rissho University
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Seto Masayuki
Geosphere Research Institute Saitama University
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Ishida Takeshi
Formerly Open Research Center Graduate School Of Geo-environmental Science Rissho University
関連論文
- Meteorological observations by Automatic Weather Stations (AWS) in alpine regions of Kamchatka, Russia, 1996-1997
- Laboratory experiment of surface stone displacement under freeze-thaw conditions(Poster session,Abstracts of the Taiwan and Japan Joint Symposium: "Geomorphological Hazards and Management" held on 17-18 March, 2008, at Taipei)
- Surface stone migration and freeze-thaw cycles on a low mountain peak in northeastern Japan(Abstracts of Papers Presented at the Meeting of the Union in June 2006 at Mongolia)
- Surface stone displacement in freeze-thaw conditions on a temperate low-mountain peak in northeastern Japan (Featured articles: Turkey-Japan joint conference on geomorphology)
- PERMAFROST OCCURRENCE AT ICE-FREE GROUND IN JAMES ROSS AND SEYMOUR ISLANDS, ANTARCTIC PENINSULA AREA
- Surface Stone Displacement in Freeze-thaw Conditions on a Temperate Low-mountain Peak in Northeastern Japan(Turkey-Japan Joint Conference on Geomorphology)
- Morphology of Buried Valleys under a Holocene Alluvial Fan : Reconstruction Based on Geodatabase of the Arakawa, Central Japan(Turkey-Japan Joint Conference on Geomorphology)
- P25. Disasters of the Mid Niigata Prefecture Earthquake in 2004 The Flash(Abstracts of Papers Presented at the Fall Meeting of the Union, December 2004)
- Distribution of permafrost on the west slope of Mt. Ichinsky, Kamchatka, Russia
- PERIGLACIAL FEATURES ON JAMES ROSS ISLAND, ANTARCTIC PENINSULA REGION
- 16. The Period of Slope Instability and Formation of Block Deposits in the Last Glacial on the Ashio Mountains, Central Japan(Abstracts of Papers Presented at the Fall Meeting of the Union, December 2004)
- Preface : Mega-Earthquake and Geomorphic Hazards