July 5, 2023
by chris
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In this series of blog posts (see part 1 and part 2) i have so far discussed the limitations of current digital map design frameworks regarding the use of line signatures compared to what was state of the art in … Continue reading
September 2, 2017
by chris
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I have updated the Franz Josef Land map with new data based on mostly 2016 Sentinel-2 imagery and also using a relief rendering primarily based on ArcticDEM data as a test case for the new data set. Franz Josef Land … Continue reading
July 23, 2017
by chris
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As many of you have probably already read elsewhere there has been a large iceberg calving event in the Antarctic recently at the Larsen C ice shelf at the east side of the Antarctic peninsula. The interesting thing about this … Continue reading
May 1, 2017
by chris
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Recently i made some effort updating the Antarctic coastline in OpenStreetMap regarding the most significant changes due to the movement of the ice. This essentially means bringing the position of the outer edges of the three largest ice shelf plates … Continue reading
October 28, 2016
by chris
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To those who are not so keen about satellite image related topics i am sorry for the recent focus on that matter – there will be other subjects again in the future. But for now i have here another imagery … Continue reading
April 9, 2016
by chris
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Last year i showed a spring Landsat mosaic of Franz Josef Land – here is something similar for Severnaya Zemlya created from this year imagery from almost exactly the same time in late March and early April. The situation is … Continue reading
April 8, 2016
by chris
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With the March equinox past a few weeks we are now approaching the northern hemisphere satellite image season while the Antarctic is settling down for the polar night. Here two images from both sides of the world from the end … 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
March 3, 2016
by chris
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After the Landsat mosaic of Scandinavia i also produced a shading compensated version of this image to use for creating new 3d views of the area. Here are a few examples from the coast of northern Norway produced based on … 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