Title :
Synergestic use of RADARSAT, ERS and “Okean” radar images for sea ice studies in the Northern Sea Route
Author :
Johannessen, Ola M. ; Alexandro, Vitali Yu ; Sandven, Stein ; Pettersson, Lasse H. ; Bobylev, Leonid P. ; Khizhnichenko, Vitali M. ; Volkov, Alexey M. ; Lundhaug, Maria ; Dalen, Oyind ; Kloster, Kjell ; Bogdano, Andrey V. ; Zaitse, Lev V.
Author_Institution :
Nansen Environ. & Remote Sensing Center, Bergen, Norway
Abstract :
In April-May 1998 sea ice conditions in the Barents and Kara Seas were studied from synchronous RADARSAT, ERS and “Okean” radar images. SAR images were transmitted in quasi-real time onboard nuclear icebreaker “Sovetsky Soyuz” and signatures of the main sea ice types and features were retrieved and compared with subsatellite observations. RADARSAT and ERS signatures of first-year ice are rather similar, whereas for gray and new ice they can be different. Analysis of synchronous RADARSAT and “Okean” images proved, that large-scale ice features can be identified from both images, whereas navigationally important small-scale features-only from SAR
Keywords :
backscatter; oceanographic regions; oceanographic techniques; radar cross-sections; radar imaging; remote sensing by radar; sea ice; spaceborne radar; synthetic aperture radar; AD 198 04; AD 1998 05; Arctic Ocean; Barents Sea; ERS; Kara Sea; Northern Sea Route; Okean radar; RADARSAT; SAR image; backscatter; ice type; large-scale feature; measurement technique; ocean; radar remote sensing; radar scattering; radar signature; sea ice; sea ice conditions; small-scale feature; synthetic aperture radar; Arctic; Image analysis; Image retrieval; Radar imaging; Radar remote sensing; Remote monitoring; Remote sensing; Satellite navigation systems; Sea ice; Spaceborne radar;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1999. IGARSS '99 Proceedings. IEEE 1999 International
Conference_Location :
Hamburg
Print_ISBN :
0-7803-5207-6
DOI :
10.1109/IGARSS.1999.772022
