August 22, 2017
by chris
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Thanks to pretty good weather in large parts of Greenland during July and early August there is some good satellite image material available for Greenland from this year. I took this opportunity to assemble two evening images, both of them … Continue reading
June 3, 2017
by chris
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A few more satellite images from spring in the Arctic – this time featuring the northmost settlements on Earth. The northmost permanent settlement on the planet is and has been for a long time the weather station and military base … Continue reading
May 26, 2017
by chris
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I mentioned the phenomenon of grounded sea ice in the Kara Sea a few years back. Here a recent image of the same area in a wider view of the whole northeastern Kara Sea showing this still happens in 2017 … Continue reading
April 8, 2017
by chris
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Spring is coming again around here while winter is approaching on the southern hemsiphere. And as last year a few images from the Antarctic before the night and from the Arctic from the beginning of spring: The first one shows … Continue reading
February 9, 2017
by chris
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Over the winter I processed various new satellite image mosaics making use of new data from the 2016 summer and I am pleased to introduce some of these here. As usual you can find more detailed information on services.imagico.de and … Continue reading
September 15, 2016
by chris
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To get this out upfront: this post is not about data quality – what i am going to talk about here is the mechanisms how OpenStreetMap functions and how these principles can break down. In a nutshell – how OpenStreetMap … Continue reading
July 19, 2016
by chris
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As mentioned previously when writing about images of the Antarctic the USGS announced some time ago they’d be starting to regularly record off-nadir images with Landsat 8 of the polar areas beyond the regular Landsat recording limit. As likewise mentioned … Continue reading
June 21, 2016
by chris
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On occasion of the summer solstice i put together a midnight sun satellite image mosaic of the Scoresby Sound area in Eastern Greenland from images of the past weeks. I explained and demonstrated the concept of nighttime satellite images at … Continue reading
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