[ Update: We have updated the KML file with more stable animations and the ability to zoom in and out and pan. See this post for more details. ] Last week we created a KML file to easily preview the … [Read more...]
Landsat imagery coverage
August 22, 2016
Last week we looked at Sentinel imagery coverage and today we are doing the same for Landsat imagery. First, note that we are discussing Landsat 8 imagery only, as Landsat 7 imagery is not currently … [Read more...]
Scour marks in the Caspian Sea
April 27, 2016
We recently came across this story about scour marks on the floor of the Caspian Sea. It is believed the scour marks are caused by ice that forms in the winter months and is then broken up and blown … [Read more...]
Landsat coverage
February 10, 2016
The Landsat 8 satellite circles the earth in a near polar orbit. See this YouTube video to see an animation of the orbit of Landsat 7 which is identical to Landsat 8 but offset by 8 days. The … [Read more...]
Seeing a tornado track with Landsat imagery
December 28, 2015
We have looked at the paths of destruction caused by tornadoes in Google Earth imagery a number of times before. Nearly every one of the tornadoes we have looked at in the US occurred in the months of … [Read more...]
Working with Landsat imagery
October 23, 2015
We recently came across this image from NASA's Earth Observatory, which shows smoke from fires on the island of Sumatra, Indonesia. Given the scale of the phenomena we thought it should be visible in … [Read more...]
Tracking wild fires in Google Earth
September 24, 2015
It is fire season in the western states of the US and one recent fire in California has been named the fourth most destructive in California's history. US president Obama has declared it a major … [Read more...]
Getting Landsat 8 imagery into Google Earth
July 24, 2015
When Landsat 8 imagery was made available on Amazon AWS our first question was: 'how easy will it be to view it in Google Earth?'. This is our experience trying to answer that question. The Landsat 8 … [Read more...]
First images from Landsat 8 begin to roll in
March 25, 2013
We told you earlier this year about the launch of the Landsat 8 satellite and now the first images captured by that satellite are starting to arrive. NASA's Landsat Data Continuity Mission (LDCM) … [Read more...]