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Permafrost, Ground Ice, and Soils Database in Japan

Permafrost, Ground Ice, and Soils Database in Japan. Compiled by Norikazu Matsuoka (University of Tsukuba). East Ongul Island (Syowa Station). Blue: Coastal sites Red: Inland sites. Prince Olav Coast. James Ross Island. S ør Rondane Mountains. Riiser-Larsen Mts., Enderby Land.

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Permafrost, Ground Ice, and Soils Database in Japan

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  1. Permafrost, Ground Ice, and Soils Database in Japan Compiled by Norikazu Matsuoka (University of Tsukuba)

  2. East Ongul Island (Syowa Station) Blue: Coastal sites Red: Inland sites Prince Olav Coast James Ross Island Sør Rondane Mountains Riiser-Larsen Mts., Enderby Land Seymour Island Thiel Mountains + South Pole Ellesworth Mountains Periglacial Research Sites by Japanese Scientists

  3. East Ongul Island (Syowa Station) Japan-Argentina Joint Team (1987-) Prince Olav Coast James Ross Island Sør RondaneMountains Seymour Island Riiser-Larsen Mts., Enderby Land Japanese Antarctic Research Expedition (1956-) Thiel Mountains + South Pole Antarctic Walk Environmental Research Expedition (1991-1993) Ellesworth Mountains Periglacial Research Sites by Japanese Scientists

  4. ALT >80 cm MAGT ~-10˚C ALT 60 cm MAGT -10˚C ALT 50- 130 cm MAGT -3 to -7˚C ALT 65 cm MAGT -7˚C ALT 8- 40 cm MAGT -17 ˚C ALT 100- 120 cm MAGT -4 to -7 ˚C + South Pole ALT 15 cm MAGT -20 to -22 ˚C ALT: Active Layer Thickness MAGT: Mean Annual Ground Temperature Ground Temperature

  5. Rock glaciers Rock glaciers Ice wedge polygons Large sorted circles + South Pole Major permafrost features

  6. Frost heave: max. 10 mm (mainly diurnal) Solifluction Rock glacier creep Frost heave: max. 20 mm (seasonal) Frost heave: <2 mm (diurnal) Frost creep: <1.5 cm/yr <17 cm deep • Only at humid sites Solifluction : no movement + South Pole Monitoring of Periglacial Processes

  7. Soil: Profile, Granulometry, Mineralogy, Salts Rock: Chemistry of varnish, Weathering index, Salts + South Pole Chemistry of weathered rocks and varnish Rock Weathering & Soils

  8. Contacts (Data Reporters): • Antarctic Peninsula (Seymour & James Ross) Dr. T. Sone (Hokkaido University) • Ellsworth Mountains & Polar Plateau Dr. K. Yoshikawa (Univ. Alaska-Fairbanks) • Enderby Land Dr. H. Miura (National Institute of Polar Research) • Prins Olav Coast (Japanese Main Base) Dr. T. Sawagaki (Hokkaido Univ.) • Sør Rondane Mountains Dr. N. Matsuoka (Univ. Tsukuba)

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