Study on sea ice remote sensing with GMS real-time infrared channel data
By using GMS-4 infrared brightness temperature and visible albedo data from Jan. to Feb. in 1994, methods of extracting sea ice parameters are developed and digital remote sensing pictures are obtained in Liaodong Bay. Based on the difference in physical properties between ice and water, a criterion...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Journal/Newspaper |
| Language: | English |
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北京大学学报 自然科学版
1997
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| Subjects: | |
| Online Access: | https://hdl.handle.net/20.500.11897/408650 |
| Summary: | By using GMS-4 infrared brightness temperature and visible albedo data from Jan. to Feb. in 1994, methods of extracting sea ice parameters are developed and digital remote sensing pictures are obtained in Liaodong Bay. Based on the difference in physical properties between ice and water, a criterion distinguishing ice from water is set up and the threshold value of brightness is achieved. Ice thickness has been calculated according to the relationship between ice thickness and brightness by the physical and statistical methods. The retrieval distributions of ice thickness are in good agreement with observations. The results show that a precision of ice identification and thickness retrieval is 78.25% and 65.97%, respectively. EI 0 1 53-61 33 |
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