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In this paper, we present the architecture and design of the aquarius instrument: a spaceborne combination radiometer-scatterometer in L-band, for measuring ocean surface salinity. In order to achieve the unprecedented measurement stability of 0.1 Kelvin for the radiometer, the scatterometer (for correction of the sea surface roughness) is required to have a calibrated stability of 0.1 dB. Active...
The panel painting “S. Francesco d'Assisi” (Museo diocesano “Mons. A. Marena”, Bitonto, Italy), executed around the half of the 13th century and manipulated at least two times in the following centuries, was studied by various complementary analytical techniques in order to characterise the original medieval painting technique and the subsequent editions. Optical microscopy (OM), scanning electron...
The Aquarius/SAC-D mission is a partnership between the USA (NASA) and Argentina (CONAE). The observatory consists of Aquarius, an L-band radiometer/radar combination being developed under NASApsilas Earth System Science Pathfinder (ESSP) program to map the surface salinity field of the oceans from space, together with the SAC-D bus and several instruments provided by CONAE and its partners. The Aquarius...
Aquarius is a combination passive/active L-band microwave instrument being developed to map the surface salinity field of the oceans from space. It is part of the Aquarius/SAC-D mission, a partnership between the USA (NASA) and Argentina (CONAE) with launch scheduled for early in 2009. The primary science objective of this mission is to monitor the seasonal and interannual variation of the large scale...
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