SENTINEL-1
The SENTINEL-1 mission is a constellation of two polar-orbiting satellites, operating day and night performing C-band synthetic aperture radar imaging, enabling them to acquire imagery regardless of the weather. The intensity of the images is prortional to the roughness of the surface. This property, together with the high resolution of the images, makes them a perfect tool for searching for new ice, suitable for Nordic skating on lakes and sea in the Scandinavian countries.
Interpretation
The images can be interpreted in at least two possible ways: ice or open water, depending on factors such as wind strength and local geography. This may seem a large disadvantage but use of the SAR image together with local knowledge and ice observations from Skridskonet will be a huge step forward in finding ice. The scale below can be used as a guidance. However, be prepared to find substantial variations.
Obviously, the thickness or strength of the ice cannot be determined from these images. The strength of the ice must ultimately be judged locally by the experienced skater.
Negative Degree Days
Negative degree day top list from a selected number of loctions in Sweden.News
2020-11-01
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News from ESA regarding satellite data availability.
2018-11-19
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Slides from the SSSK Brasafton, 19 November 2018.
2017-11-12
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Slides from the Ice conference in Stockholm 11-12 November 2017.
2017-11-09
- A clickable map is available to make it easier to find a map over a specific region.
- It is now possible to overlay a .gpx or .kml track on the images.
- When the link of a map is copied from the browser, the location and zoom is preserved.
- The transparency slider is replaced by +/- buttons.
Images from the last 6 days overlapping a region covering Sweden, Finland and Norway.
Last update: Mon Jun 6 10:38:26 CEST 2022New --> Clickable map
Extra Wide swath images (EW)
(most recent on top)Interferometric Wide swath images (IW)
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