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- 若林 裕之
- 宇宙開発事業団,地球観測データ解析研究センター
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- 西尾 文彦
- 北海道教育大学釧路校
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- JEFFRIES Martin
- Geophysical Institute, University of Alaska Faibanks
書誌事項
- タイトル別名
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- C-band Backscattering Characteristics of Lake Ice in Northern Alaska during Spring Thaw Period.
- アラスカ ホクブ ツンドラコヒョウ ノ ユウカイキ ノ Cバンド コウホウ サンラン トクセイ
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説明
C-band backscatter intensities from lake ice in Northern Alaska showed a reversal phenomenon from freezing period to spring thaw period. The backscattering mechanisms of this phenomenon have not been clearly explained yet. In order to understand a mechanism of this backscatter reversal, we conducted field observations from April to May in 1997. This paper describes a summary of field observation data analysis and a derived assumption for the backscattering mechanism for the spring thaw period. The backscattering increase of the grounded ice is caused by a roughness increase of the ice surface, while backscattering decrease of the floating ice is by a presence of water film of the ice surface. By using the IEM surface scattering model, a validity of the assumed backscattering mechanisms is confirmed.
収録刊行物
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- 日本リモートセンシング学会誌
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日本リモートセンシング学会誌 19 (4), 333-341, 1999
一般社団法人 日本リモートセンシング学会
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キーワード
詳細情報 詳細情報について
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- CRID
- 1390282679643879424
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- NII論文ID
- 130003638566
- 10005115456
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- NII書誌ID
- AN10035665
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- ISSN
- 18831184
- 02897911
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- NDL書誌ID
- 5294757
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可