OBSERVATION OF SEA ICE CONDITIONS USING VISIBLE AND NEAR-INFRARED CHANNELS IN MOS-1/MESSR AND ADEOS/AVNIR
スポンサーリンク
概要
- 論文の詳細を見る
This study investigated the surface condition of sea ice using visible and near-infrared radiometers (MOS-1/MESSR, ADEOS/AVNIR). When sea ice is newly formed in the early stage of the freezing season, it has low albedo. In particular, when the size of each ice floe is smaller than the spatial resolution of the radiometer, such sea ice area will be observed as an area of low albedo. The newly formed sea ice is difficult to distinguish from a pack ice area with low concentration in the early freezing season. Observation of thin sea ice using brightness temperature is difficult since thin sea ice has a similar brightness temperature to open water. Through the satellite observation of visible and near-infrared radiometers, this study focused on distinguishing ice types, focusing especially on newly formed ice. To observe the spectral characteristics of such ice type, this study carried out in situ observations. In the case of a wet surface or ice particles suspended in the water, although the albedo in the visible region is high, the albedo in the near-infrared region is low. This results are useful to discriminate between low concentration ice cover and thin or newly formed ice.
- 国立極地研究所の論文
著者
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Enomoto Hiroyuki
Kitami Institute Of Technology
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WARASHINA Hideo
Sendai College of Technology
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SHIRASAKI Kazuyuki
Kitami Institute of Technology
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TATEYAMA Kazutaka
Kitami Institute of Technology
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WATANABE Akihiko
Kitami Institute of Technology
関連論文
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- A preliminary study of ice core chronology at Dome Fuji Station, Antarctica
- Automatic Weather Station（AWS）data collected by the 33rd to 42nd Japanese Antarctic Research Expeditions during 1993-2001
- Meteorological Data Report at Chaivo, Northern Sakhalin, September 2000 - November 2001
- Meteorological Observations at Schmidt, Northern Sakhalin, August 1995 - August 1998
- Longitudinal variations of temperature, wind and ablation in Broeggerbreen, Svalbard (scientific paper)
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- Meteorological Data Report at Chaivo, Northern Sakhalin, November 2003 - October 2004
- Meteorological Data Report at Chaivo, Northern Sakhalin, October 2002 - November 2003
- Meteorological Data Report at Chaivo, northern Sakhalin, November 2001 - October 2002
- Glaciological Data Collected by the 34th Japanese Antarctic Research Expedition in 1993
- Glaciological data collected by the 34th Japanese Antactic Research Expedition in 1993(Glaciology 23)
- Satellite observation of melting and break-up of fast ice in Lutzow-Holm Bay, East Antarctica
- TESTS OF WIND POWER GENERATOR AND SOLAR BATTERY IN THE INLAND AREAS OF ANTARCTICA
- METEOROLOGICAL OBSERVATIONS BY DATA-LOGGING AUTOMATIC WEATHER STATION AT DOME FUJI STATION
- OBSERVATIONS ON THE EVAPORATION-CONDENSATION PROCESS AND HEAT-BALANCE DURING THE AUSTRAL SUMMER AT THE SNOW SURFACE OF DOME FUJI STATION, EAST ANTARCTICA
- Behavior of water in the Brogger Glacier, Spitsbergen (abstract)
- Characteristics of temperature fluctuation in Svalbard, in the Arctic (abstract)
- Preliminary discussion of physical properties of the Dome Fuji shallow ice core in 1993, Antarctica
- FLUCTUATIONS OF SEA ICE EXTENT IN THE ANTARCTIC
- TIDAL DISPLACEMENT OF SEA ICE OBSERVED AT NISI-NO-URA COVE ON EAST ONGUL ISLAND, ANTARCTICA
- OPEN WATER AND THE CIRCUMPOLAR TROUGH IN THE ANTARCTIC
- Preliminary study of the transition of sea ice during the melting process
- RECENT SATELLITE OBSERVATIONS AT SYOWA STATION, ANTARCTICA
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- TEMPORAL AND SPATIAL FLUCTUATIONS OF WARMING IN ANTARCTICA AND THE ATMOSPHERIC CIRCULATION
- INTERANNUAL FLUCTUATIONS OF SEA ICE EXTENT IN THE ANTARCTIC AND ASSOCIATED ATMOSPHERIC CONDITIONS
- TEMPORAL VARIATIONS OF PASSIVE MICROWAVES FROM THE ICE SHEET