Pinpointing sources of greenhouse gases05 March 2014
Pinpointing sources of greenhouse gases05 March 2014 With increasing levels of greenhouse gases causing our climate to change, it is important to understand exactly where these gases come from and how they disperse in the atmosphere. A recent field campaign has shown that a potential new satellite cou...
First Copernicus satellite at launch site25 February 2014
First Copernicus satellite at launch site25 February 2014 The Sentinel-1A radar satellite has arrived at Europe’s Spaceport in French Guiana to be prepared over the coming weeks for launch on 3 April.
Sentinel-1 spreads its wings21 February 2014
Sentinel-1 spreads its wings21 February 2014 When Sentinel-1 is placed in orbit around Earth in a few weeks, it has to perform a complicated dance routine to unfold its large solar wings and radar antenna. Engineers have recently been making sure the moves are well rehearsed.
Glowing plants a sign of health12 February 2014
Glowing plants a sign of health12 February 2014 Radiant skin is considered a sign of good health in humans, but plants also glow when they are well. A potential new ESA satellite could use this fluorescence to track the health and productivity of vegetation worldwide.
Is global warming hiding underwater?07 February 2014
Is global warming hiding underwater?07 February 2014 Satellite observations of global sea-surface temperature show that a 30-year upward trend has slowed down within the last 15 years. Climate scientists say this is not the end of global warming, but the result of a rearrangement in the energy flow of t...
Arctic lakes show climate on thin ice03 February 2014
Arctic lakes show climate on thin ice03 February 2014 Ice in northern Alaska’s lakes during winter months is on the decline. Twenty years of satellite radar imagery show how changes in our climate are affecting high-latitude environments.