June 20, 2016
by chris
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While here summer is approaching (although spring has been very rainy this year) in the high Arctic spring is just starting. Here a satellite image from Northern Greenland of the Petermann Glacier where snow and ice are thawing. The strong … Continue reading
April 29, 2016
by chris
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Although i did not explicity mention this when writing my Sentinel-2 review i assumed that Sentinel-2 offers a significantly larger coverage in the polar regions than Landsat (where it regularly ends at 82.66°) due to the wider swath it records. … Continue reading
March 12, 2016
by chris
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Last year i showed an image from the Bay of Whales in Antarctica. Here is a newer Landsat image from the same area from approximately a year later. And here is the same in direct comparison to the 2015 image … Continue reading
January 26, 2016
by chris
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As with normal ground level photography satellite images are often most impressive with a low sun position. Here is a Landsat based view of the highest mountain of the Alaska Range, Denali from January 16. The Denali is located on … Continue reading
January 1, 2016
by chris
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The map of Franz Josef Land got an update with new map data and a new satellite image mosaic fully based on Landsat-8-data and produced to the standards previously shown in the Greenland and Svalbard images. The mapping is updated … Continue reading
November 12, 2015
by chris
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As with previous Landsat mosaics i also produced a vegetation map for Greenland matching the image mosaic introduced recently. The map shows vegetation cover with a spatial resolution of 30m and distinguishes between woody and herbaceous vegetation although woody in … Continue reading
October 27, 2015
by chris
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Until now my collection of Landsat based image mosaics of the Arctic islands missed the big one, i.e. Greenland. I am happy to announce now this is being addressed and you can now get also a Greenland mosaic: This is … Continue reading
September 22, 2015
by chris
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Supplemental to the Svalbard mosaic here some 3d views of the area created using this and elevation data from the Norwegian Polar Institute (CC-BY-4.0 license). The NPI data is detailed but quite outdated in large parts – here a map … Continue reading
September 8, 2015
by chris
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After previously showing Landsat mosaics of islands in the arctic i now also completed an image of the Svalbard archipelago. Compared to the islands of the Russian Arctic Svalbard is more difficult since is features much more variable and less … Continue reading
August 22, 2015
by chris
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Here a recent Landsat image showing the return of the sun to the Antarctic after the southern hemisphere winter. The location is near the tip of the Antarctic peninsula at Seymour Island with the eastern end of James Ross Island … Continue reading
August 3, 2015
by chris
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Last week we had a few days of extraordinarily sunny weather in large parts of the Eurasian Arctic – see here for an overall view. So i created a new Summer mosaic of Franz Josef Land complementing the winter view … Continue reading
June 23, 2015
by chris
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While reviewing and processing satellite data i frequently come across images that would be useful for mapping in OpenStreetMap – either because the imagery available in the normal sources like the Bing and Mapbox satellite layers contains no images at … Continue reading