IS-SAR

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.

Scale

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

Bromma-Stockholm Airport

News

2018-11-19

2017-11-12

2017-11-09


Images from the last 6 days overlapping a region covering Sweden, Finland and Norway.

Last update: Fri Jan 17 13:08:29 CET 2020

New --> Clickable map


Extra Wide swath images (EW)

(most recent on top)

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Interferometric Wide swath images (IW)

(most recent on top)

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S1A_IW_GRDH_1SDV_20200110T170344_20200110T170409_030741_03864C_D6D0

S1A_IW_GRDH_1SDV_20200110T170319_20200110T170344_030741_03864C_AE98

S1A_IW_GRDH_1SDV_20200110T170254_20200110T170319_030741_03864C_BEAB

S1A_IW_GRDH_1SDV_20200110T170229_20200110T170254_030741_03864C_9A7D

S1A_IW_GRDH_1SDV_20200110T170204_20200110T170229_030741_03864C_712B

S1A_IW_GRDH_1SDV_20200110T170139_20200110T170204_030741_03864C_D7E7

S1A_IW_GRDH_1SDV_20200110T170114_20200110T170139_030741_03864C_EC52

S1B_IW_GRDH_1SDV_20200110T161505_20200110T161530_019757_0255B0_CCF3

S1B_IW_GRDH_1SDV_20200110T161436_20200110T161505_019757_0255B0_8D40

S1A_IW_GRDH_1SDV_20200110T152641_20200110T152706_030740_038644_2EB3

S1A_IW_GRDH_1SDV_20200110T152616_20200110T152641_030740_038644_F349

S1A_IW_GRDH_1SDV_20200110T152551_20200110T152616_030740_038644_DF21

S1A_IW_GRDH_1SDV_20200110T152526_20200110T152551_030740_038644_C7D7

S1A_IW_GRDH_1SDV_20200110T152501_20200110T152526_030740_038644_05D3

S1A_IW_GRDH_1SDV_20200110T152436_20200110T152501_030740_038644_91B3