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Record #190533:
[Distribution of dead ice inside moraine dam body of Imja glacial lake, Khumbu region, Nepal: internal structure of moraine dam of Imja glacial lake] / Shuhei Takenaka, Takuya Yabuta, Hiromichi Fukui.
Title: | [Distribution of dead ice inside moraine dam body of Imja glacial lake, Khumbu region, Nepal: internal structure of moraine dam of Imja glacial lake] / Shuhei Takenaka, Takuya Yabuta, Hiromichi Fukui. |
Translated title: | Distribution of dead ice inside moraine dam body of Imja glacial lake, Khumbu region, Nepal: internal structure of moraine dam of Imja glacial lake. |
Author(s): | Takenaka, Shuhei. Yabuta, Takuya. Fukui, Hiromichi. |
Date: | 2009. |
Language: | Japanese. |
In: | Seppyo : Journal of the Japanese Society of Snow and Ice. (2009.), Vol. 72(1) (2009) |
Abstract: | Reports determination of internal structure of dam body of Imja glacial lake using electrical resistivity tomography and field observation. Focuses on spatial distribution of dead ice, presenting analysis indicating that a) dead ice appears to exist along lake shore connecting lateral moraines, and b) base of dead ice reaches deepest point of underground portion of dam body. Concludes that dead ice currently dams lake water effectively. Heat conduction from water flow and dam surface could result in gradual melting of dead ice from top. Melting may allow gradual drainage of water from spillway, with process continuing until water level becomes low enough to avoid danger of glacial lake outburst flood (GLOF) event. |
Notes: | Seppyo : Journal of the Japanese Society of Snow and Ice. Vol. 72(1) :3-12 (2009). English abstract. |
Keywords: | 551.32 -- Glaciology. 551.324 -- Land ice. 551.324.22 -- Glaciers: Imja. 551.332.56 -- Lakes, ice-dammed. Glacial lakes. Disruption of water drainage: Imja Tsho. 551.321.6 -- Ice thickness, measurement. 550.837 -- Electrical survey methods. 537.311 -- Ice, electrical conductivity. 556 -- Hydrology. 556.55 -- Lakes and ponds: Imja Tsho. 551.324.86 -- Glacier streams. 551.324.433 -- Land ice, ablation and calving. 556.555.3 -- Lakes, inflow and outflow. 627.51 -- Floods. 624.144 -- Damage caused by snow and ice. 551.324.294 -- Glaciers, stagnant and dead ice. 551.332.51 -- Ice-marginal landforms. E10 -- Glaciology: snow and avalanches. (235.24) -- Himalayas. Karakorum. Tibetan plateau. |
SPRI record no.: | 190533 |
LDR 02740naa#a2200000#a#4500 001 SPRI-190533 005 20240328092958.0 007 ta 008 240328s2009####xx#ab#|##|###|0||#0|jpn#d 035 ## ‡aSPRI-190533 040 ## ‡aUkCU-P‡beng‡eaacr 041 0# ‡ajpn 100 1# ‡aTakenaka, Shuhei. 242 10 ‡aDistribution of dead ice inside moraine dam body of Imja glacial lake, Khumbu region, Nepal :‡binternal structure of moraine dam of Imja glacial lake.‡yeng 245 10 ‡a[Distribution of dead ice inside moraine dam body of Imja glacial lake, Khumbu region, Nepal :‡binternal structure of moraine dam of Imja glacial lake] /‡cShuhei Takenaka, Takuya Yabuta, Hiromichi Fukui. 260 ## ‡a[S.l.] :‡b[s.n.],‡c2009. 300 ## ‡ap. 3-12 :‡bill., diags., maps. 500 ## ‡aSeppyo : Journal of the Japanese Society of Snow and Ice. Vol. 72(1) :3-12 (2009). 500 ## ‡aEnglish abstract. 520 3# ‡aReports determination of internal structure of dam body of Imja glacial lake using electrical resistivity tomography and field observation. Focuses on spatial distribution of dead ice, presenting analysis indicating that a) dead ice appears to exist along lake shore connecting lateral moraines, and b) base of dead ice reaches deepest point of underground portion of dam body. Concludes that dead ice currently dams lake water effectively. Heat conduction from water flow and dam surface could result in gradual melting of dead ice from top. Melting may allow gradual drainage of water from spillway, with process continuing until water level becomes low enough to avoid danger of glacial lake outburst flood (GLOF) event. 546 ## ‡aIn Japanese. 650 07 ‡a551.32 -- Glaciology.‡2udc 650 07 ‡a551.324 -- Land ice.‡2udc 650 07 ‡a551.324.22 -- Glaciers: Imja.‡2udc 650 07 ‡a551.332.56 -- Lakes, ice-dammed. Glacial lakes. Disruption of water drainage: Imja Tsho.‡2udc 650 07 ‡a551.321.6 -- Ice thickness, measurement.‡2udc 650 07 ‡a550.837 -- Electrical survey methods.‡2udc 650 07 ‡a537.311 -- Ice, electrical conductivity.‡2udc 650 07 ‡a556 -- Hydrology.‡2udc 650 07 ‡a556.55 -- Lakes and ponds: Imja Tsho.‡2udc 650 07 ‡a551.324.86 -- Glacier streams.‡2udc 650 07 ‡a551.324.433 -- Land ice, ablation and calving.‡2udc 650 07 ‡a556.555.3 -- Lakes, inflow and outflow.‡2udc 650 07 ‡a627.51 -- Floods.‡2udc 650 07 ‡a624.144 -- Damage caused by snow and ice.‡2udc 650 07 ‡a551.324.294 -- Glaciers, stagnant and dead ice.‡2udc 650 07 ‡a551.332.51 -- Ice-marginal landforms.‡2udc 650 07 ‡aE10 -- Glaciology: snow and avalanches.‡2local 651 #7 ‡a(235.24) -- Himalayas. Karakorum. Tibetan plateau.‡2udc 700 1# ‡aYabuta, Takuya. 700 1# ‡aFukui, Hiromichi. 773 0# ‡7nnas ‡tSeppyo : Journal of the Japanese Society of Snow and Ice. ‡gVol. 72(1) (2009) ‡wSPRI-17791 916 ## ‡a2010/03/10 -- RF 917 ## ‡aUnenhanced record from Muscat, imported 2019 948 3# ‡a20240328 ‡bRF