February 8, 2016
by chris
0 comments
During the last days the USGS recorded some sequences of off-nadir Landsat images in the Antarctic. I wrote about the off-nadir capability of Landsat 8 previously, regularly Landsat can only record images up to about 82.66 degrees latitude. By tilting … Continue reading
November 30, 2015
by chris
0 comments
How does sunrise look like from a satellite’s perspective? This might seem like a pretty boring question – after all we all know images like this one and this one which show sunrise in some form as seen from space. … Continue reading
August 22, 2015
by chris
0 comments
Here a recent Landsat image showing the return of the sun to the Antarctic after the southern hemisphere winter. The location is near the tip of the Antarctic peninsula at Seymour Island with the eastern end of James Ross Island … Continue reading
June 14, 2015
by chris
0 comments
After introducing the Landsat mosaic of Germany and the Alps recently i am happy to announce the availability of a similar image from the other side of the globe, the Antarctic peninsula. Compared to the parts of the Antarctic where … Continue reading
May 18, 2015
by chris
0 comments
This image is based on a Landsat scene already two months old but none the less seems interesting enough to feature here. It shows the Bay of Whales at the Antarctic coast which is the southmost point of open ocean … Continue reading
October 24, 2014
by chris
0 comments
In September the sea ice around the Antarctic usually reaches is maximum and this year we saw an all time record of the sea ice extent. The following Landsat image shows the northern edge of the sea ice in late … Continue reading
September 29, 2014
by chris
2 Comments
Meanwhile more than a year ago i imported extensive data in OpenStreetMap for Antarctica much of which is showing the delineation of ice and ice free areas. Still none of the widely used OpenStreetMap based maps is showing this data. … Continue reading
September 1, 2014
by chris
0 comments
While summer is coming to an end here in the north light is coming back to Antarctica these days. Currently we are approaching the maximum sea ice extent until the raising sun will start melting the ice in October. Here … Continue reading
August 12, 2014
by chris
0 comments
Here a recent view of the South Sandwich Islands assembled from Landsat images from a few days ago. The image mosaic shows most of the islands except the northmost ones which are hidden under clouds. Generally winter is the time … Continue reading
November 28, 2013
by chris
0 comments
Well – not really night but as i have mentioned before earth observation satellites in sun synchronous orbit have half of their orbit on the night side of the earth. Therefore in polar regions during summer images can be collected … Continue reading