October 28, 2019
by chris
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The ESA recently made an interesting announcement about extending Sentinel-2B image recordings to lower sun positions in the northern hemisphere winter. A bit of background on that: For the past years Sentinel-2 image recordings have traditionally been made only with … Continue reading
October 18, 2018
by chris
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Back in July 2017 when the first Sentinel-3 Level-2 data was released i did not write a detailed report like i did for the Level-1 data because i wanted to wait for the rest of the products – which are … Continue reading
January 1, 2018
by chris
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A happy 2018 to all readers – with two recent images from the last year. From the southern hemisphere a Sentinel-3 OLCI image of the Falkland Islands And from the north a Landsat winter image of southern Iceland
November 18, 2017
by chris
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Here another view of the dust cloud from the previous post from a few days later as seen by Sentinel-2: And another remarkable situation from the other side of Earth – an impressive assembly of big tabular icebergs near Elephant … Continue reading
November 15, 2017
by chris
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I have a somewhat different satellite image than usual here: This is a strip of nine Landsat scenes recording parts of Alaska in early Winter from a few days back. I rotated this to align roughly with the satellite recording … Continue reading
October 5, 2017
by chris
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It’s autumn and the leaves are starting to change colors – matching that here a few impressions from the autumn in the north from satellite perspective. The first is from the Yukon River at the Alaska-Yukon border: Here two magnified … Continue reading
July 7, 2017
by chris
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Since a few days ago the first data from Sentinel-2B is publicly available. Data access is offered through a separate instance of the download infrastructure so you will have to adjust any download scripts or tools you might have. It … Continue reading
June 30, 2017
by chris
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There is another survey for open data satellite image users, this time from the Copernicus program: http://www.copernicus.eu/COAHub-user-survey In contrast to the Landsat survey i featured recently – which by the way you can still participate in – this one is … 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
December 13, 2016
by chris
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Based on my initial look at the Sentinel-3 data (see part 1, part 2 and part 3 for the details) here some comparitive assessments relative to the existing MODIS/VIIRS systems. As indicated in the title this is for OLCI, i.e. … Continue reading
December 11, 2016
by chris
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This post in the third and likely last part of a report on the recently released Sentinel-3 level 1 data from the OLCI and SLSTR instruments. The first part provided general context, the second part discussed the data distribution form … Continue reading
December 5, 2016
by chris
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This post in a continuation of the first look report on the recently released Sentinel-3 level 1 data from the OLCI and SLSTR instruments. The first part provided general context and discussion of the general data distribution form, this second … Continue reading