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2006 Images of the Month

Dec. 2006: Five years in orbit for Jason-1
Five years ago, on December 7, 2001, Jason-1 was put on orbit. Since this date, the harvest of results is continue.
Nov. 2006: Argonautica buoys around a Tehuantepec eddy
The Argonautica project provides teachers and pupils with educational resources about the ocean.
Oct. 2006: Altimeter looks into the crevasses
"Bi-frequency" altimeter enable to observe different phenomena, in the atmosphere or on solid earth surfaces. Over the ice caps, in particular, the radar wave interaction with the snow cover is very dependent on its frequency.
Sep. 2006: Mediterranean currents
Sea circulation in the Mediterranean is nowaday a subject of discussion between oceanographers
Aug. 2006: a multi-sensor's view on biology
Tehuantepec eddies region is one among biological hot spots. These eddies, well seen by altimetry, but also by other sensors, can carry with them biological material far from the shores.
Jul. 2006: Closer to the coasts
altimetry data enhancement near the coasts is under study in several scientific teams around the world.
Jun. 2006: Tehuantepec eddies
In winter, winds blow by pulses through a mountain pass across the Tehuantepec Isthmus (Mexico) to fan out over the Pacific, generating large mesoscale eddies.
May 2006: Ice on Lake Baikal
Lake ice cover can be studied using simultaneously the power received by the radar altimeters after reflection on the surface and the brightness temperature from the radiometers onboard
Apr. 2006: Beacons in the waveforms
A detailed analysis of altimetric waveforms often reveals the signatures of objects that emerge from the sea, such as beacons, lighthouses and small islands.
Mar. 2006: A long way to paddle home for a green turtle
Biological and physical oceanography are combined to understand the impact of currents on turtle movements.
Feb. 2006: Heat moves with the eddies
Heat transport is also made by eddies, and those induce variations in that transport, which in turn can cause climate variations
Jan. 2006: Merging of altimetry data: proofs from other measurements
The utility of merging together the data from several altimetry satellites can be shown by comparing the altimetry merged datasets with other, independent kinds of data
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