July 26, 2023
by chris
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There has been quite a bit of fuzz in the OSM community recently (like here – warning: link goes to patronizing and broken web interface) because one of the image layers with semi-global coverage that had so far been widely … Continue reading
December 10, 2022
by chris
1 Comment
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
October 15, 2022
by chris
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I am pleased to announce a major update to my global satellite image product Green Marble. The Green Marble is a medium resolution whole earth image, offering an unsurpassed uniformity in quality across the whole planet surface on both water … Continue reading
October 5, 2022
by chris
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In addition to the recent autumn colors images here two views of the polar region autumn and spring on the northern and southern hemisphere. The first shows the Ellsworth Mountains with a low sun position just after the end of … Continue reading
September 22, 2022
by chris
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Autumn 2022 is starting on the northern hemisphere so here two impressions of early fall colors, the first from Kamchatka: The second from Canada, from the lower end of the Great Slave lake near Fort Providence where the Yellowknife Highway … Continue reading
September 21, 2022
by chris
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According to plans announced some time ago the USGS is going to stop recording images with Landsat 7 at the end of September, ending routine operation of the satellite after more than 20 years. Like EO-1 where i discussed 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 2, 2022
by chris
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The volcanic eruption that strongly reshaped the island of La Palma since it began in September 2021 seems to have ended during the last days of the last year. Here is a before-after comparison based on Sentinel-2 image data comparing … Continue reading
December 24, 2021
by chris
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Extensive snowfall is pretty common on the plateaus of the North American West in Winter. The white of the snow, the reddish colors of the rocks in the region and the gray-green of the winterly coniferous forests make for a … 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