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2017 Images of the Month

Sep. 2017: 25 years, and many more to come
Topex/Poseidon was launched 25 years ago: the starting point of a success story, still ongoing.
Aug. 2017: Waves & currents
Currents can influence waves. With the coming of SWOT high-resolution data, it is important to better know this at small scales.
Jul. 2017: Higher resolution knowledge of flooded areas over the whole Earth
Waiting for Swot, knowledge of wetlands and flooded areas can be computed from the wealth of satellite observation already available, combining them in all possible ways. It will provide with validation data when Swot will be launched
Jun. 2017: Eddies everywhere
Eddies are ubiquitous in the ocean. They can be tracked and followed day by day for nearly 25 years.
May 2017: Ocean mirrors the deep
With more and more altimetry data available, high-precision computation of the Mean Sea Surface is giving more and more accurate reference surfaces.
Apr. 2017: How El Niño and related sea level fall impacted indonesian corals
When sea surface height is decreasing in Indonesia during an El Niño, the coral can be out of water longer than usual, thus leading to a higher coral mortality rate.
Mar. 2017: Satellites see the highs and lows of the biggest lake in China
Lake Poyang is the biggest lake in China. It empties and fills with the monsoons, and depending on the years. Altimetry has been monitoring it for more than 20 years. Optical imagery gives another viewpoint to complement.
Feb. 2017: Tidal currents make a buoy's path spiral
Altimetry helped to improve the tide models, including tidal currents. A buoy path can be seen oscillating in rythm with those.
Jan. 2017: Wave model with ice
Wave models give better results when taking icebergs (detected by altimetry) into account
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