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SUBGLACIAL WATER LAYER AND GROUNDING LINE DERIVED FROM BACKSCATTERING COEFFICIENTS OF RADIO ECHO SOUNDING IN THE SHIRASE GLACIER AND ROI BAUDOUIN ICE SHELF, EAST ANTARCTICA
https://doi.org/10.15094/00003646
https://doi.org/10.15094/000036464c1f01ec-5a67-4b36-af73-854814912a1e
名前 / ファイル | ライセンス | アクション |
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KJ00000767849 (1.3 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1991-05-01 | |||||
タイトル | ||||||
タイトル | SUBGLACIAL WATER LAYER AND GROUNDING LINE DERIVED FROM BACKSCATTERING COEFFICIENTS OF RADIO ECHO SOUNDING IN THE SHIRASE GLACIER AND ROI BAUDOUIN ICE SHELF, EAST ANTARCTICA | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00003646 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
論文名よみ | ||||||
その他のタイトル | SUBGLACIAL WATER LAYER AND GROUNDING LINE DERIVED FROM BACKSCATTERING COEFFICIENTS OF RADIO ECHO SOUNDING IN THE SHIRASE GLACIER AND ROI BAUDOUIN ICE SHELF, EAST ANTARCTICA | |||||
著者名よみ |
ニシオ, フミヒコ
× ニシオ, フミヒコ× ウラツカ, セイホ |
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著者名(英) |
NISHIO, Fumihiko
× NISHIO, Fumihiko× URATSUKA, Seiho |
|||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
Communications Research Laboratory | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In the 1986-87 austral summer, ice thickness measurements using a new designed airborne radio echo sounding system were carried out in the Shirase Glacier drainage basin and Roi Baudouin lce Shelf, Princess Ragnhild Coast, East Antarctica. The accurate determination of ice thickness during the flight was supported by measurements of surface elevation calibrated over the open sea at the beginning and end of each flight with radar altimetry. Location was determined by an OMEGA system and satellite Global Positioning System (GPS). The ice sheet profile along the flow line of the Shirase Glacier and ice shelf along the flight line from Asuka Camp to the Roi Baudouin Ice Shelf were determined and bottom features such as subglacier water layer and grounding line were clarified by finding the radio backscattering coefficients. The accurate surface elevation and backscattering coefficients obtained from the radar equation are adequate for locating the grounding line and detecting its accurate location within a few kilometers. It is also shown that the subglacial water layer was inferred from the backscattering coefficients of radio echo sounding along the Shirase Glacier flow line. The water layer thickness is estimated to be 0-30cm at the interface between the base of the ice sheet and the bedrock in the regions downstream of Shirase Glacier. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756213 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology 巻 4, p. 93-102, 発行日 1991-05 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |