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ICEWATCH - Sea ice observations of the Northern
Sea Route using ERS SAR and Okean SLR data
| Ola M. Johannessen Stein Sandven Lasse H. Pettersson Kjell Kloster Torill Hamre | Nansen Environmental and Remote Sensing Center Edv. Griegsvei 3, N-5037 Solheimsviken - Bergen NORWAY ola.johannessen@nrsc.no http://www.nrsc.no:8001/ |
| A. M. Volkov V. Asmus | NPO Planeta, 7 B Predtechenskii str., 123242 Moscow, RUSSIA, asmus@mx.iki.rssi.ru |
| V. D. Grischenko V. G. Smirnov | Arctic and Antarctic Research Institute, 38 Bering str., 199397 St. Petersburg, RUSSIA, aaricoop@aari.spb.su |
| Leonid P. Bobylev Vladimir V. Melentyev V. Yu. Alexandrov | Nansen International Environmental and Remote Sensing Center Korpusnaya Street 18, 197042 St. Petersburg, RUSSIA nansen@sovam.com http://www.nrsc.no:8001/niersc.html |
Abstract
A joint co-operation between the Russian and European Space Agencies for Real-time sea ice monitoring of the Northern Sea Route using satellite radar technology has been ongoing for two years- the ICEWATCH project is the first co-operative effort between the two space agencies in the field of earth observation. The overall objective of the project is to implement satellite monitoring of sea ice by combined use of ERS Synthetic Aperture Radar (SAR), Okean Side-looking Radar (SLR) and other satellite earth observation data. The project implementation has been focused towards operational applications within navigation in the Northern Sea Route, support to off-shore industry and environmental studies.
Several cases of interpretation and classification of ERS SAR mapping of sea ice conditions and in particular hazardous phenomenon for ship navigation, will be presented, covering the ice edge region, pack ice in coastal and open ocean regions, river ice regimes and polynias.
The different nature of the real and synthetic aperture radar data from SLR and SAR are integrated in order to achieve the optimum sea ice information form the two sources of earth observation data. Algorithms and methods for processing, classification and interpretation of the radar data will be presented. The algorithms covers ice type classification and determination of sea ice dynamics from both SAR, SLR and Passive microwave earth observation sensors. A particular integrated method for ice classification based on use of information from SAR, SLR and passive microwave data will be outlined
The paper concludes with recommendations for an operational use of radar satellite technology in support of the activities of the Russian Sea ice monitoring service, which will be implemented in pilot phase during 1997.
- Keywords: sea ice, SAR, SLR, passive microwave, ice classification, integrated algorithms
Keywords: ESA European Space Agency - Agence spatiale europeenne, observation de la terre, earth observation, satellite remote sensing, teledetection, geophysique, altimetrie, radar, chimique atmospherique, geophysics, altimetry, radar, atmospheric chemistry