December 10, 2022
by chris
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I recently prepared and uploaded some more satellite images of the Antarctic for mapping in OpenStreetMap. They mostly cover the mountain areas of Queen Maud Land, that is the section of the East Antarctic coast facing the Atlantic Ocean. This … Continue reading
March 25, 2022
by chris
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I am happy to announce my newest satellite image product – The Comprehensive Optical Mosaic of the Antarctic (COMA). The COMA is the result of an evolution of the satellite image mosaic production techniques i have been improving for over … Continue reading
January 6, 2022
by chris
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About nine years ago i did the first import of up-to-date data for the Antarctic followed by another with more detailed data a short time later. The intention of those was to provide a solid basis – both in terms … Continue reading
December 14, 2021
by chris
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The Antarctic satellite image observation season has already started a few months ago meanwhile. Here are – somewhat late – two impressions from the beginning of the 2021/2022 Antarctic season. The first is a rare sunrise glimpse of the McMurdo … Continue reading
December 16, 2020
by chris
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The large iceberg that has broken off the Antarctic peninsula in 2017 and that has slowly drifted across the Drake Passage during the past year – i showed some pictures from the beginning of that journey already – has now … Continue reading
February 14, 2020
by chris
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Two and half a year ago i showed pictures on a large iceberg calving in the Antarctic producing a more than hundred kilometer long iceberg east of the Antarctic peninsula. The iceberg has since then slowly moved away from its … Continue reading
March 6, 2019
by chris
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Last year i mentioned that the USGS had recently extended recording of nighttime images with Landsat at high latitudes in summer and also showed some examples from the northern summer for this. For the southern summer we also get more … Continue reading
May 25, 2018
by chris
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Yes, i have emphasized this before but here is a great example why OpenStreetMap – in its endeavor to create the best map of the world – cannot rely on commercial services with proprietary images offered for mapping in OSM … Continue reading
May 8, 2018
by chris
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Kind of balancing the recently shown imagery of the northern polar region i here introduce a number of new satellite image mosaics from the south of all the Subantarctic Islands. These islands – similar to some parts of the Arctic … Continue reading
February 23, 2018
by chris
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Some news on open data satellite images: I updated the satellite image coverage visualizations. Here is the matching coverage volume plot over time: There are several important things you can see in that: With Landsat 8 the USGS has for … Continue reading