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By Ian S. Robinson

The distant sensing of oceans from house has built speedily when you consider that 1978 while the 1st committed ocean viewing sensors have been introduced. In 1991 the 1st ecu house corporation distant sensing satellite tv for pc carried sensors essentially for the sea, heralding the frequent use of satellite tv for pc date by way of oceanographes. within the mid 1990's the US/French TOPEX-Poseidon challenge revolutionised the functionality of satellite tv for pc altimetry and because 1997 NASA's SeaWiFs venture has added operational measurements of ocean color. the recent millennium has obvious the release of numerous very huge distant sensing structures ans a couple of smaller missions by means of ESA, NASA and NASDA, delivering nearly accomplished all over the world measurements of sea floor waves and wind, temperature, color, currents and different ocean houses. The expanding availability of rather a lot satellite tv for pc information has absolutely replaced the way in which the technology of oceanography has built. the original viewpoint supplied by way of satellites has published formerly undetected ocean phenomena, solid new gentle on outdated difficulties and opened the best way for brand new fields of oceanographic study.

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Additional resources for Discovering the Ocean from Space: The unique applications of satellite oceanography

Sample text

Details of wave data products from Jason-1 . . . . . . . . . . . . Details of wave data products from Envisat RA-2 . . . . . . . . . . Parameterizations of gas transfer velocity . . . . . . . . . . . . . Changes in meteorological conditions around the world apparently affected by the occurrence of the ‘‘Warm Episode’’ . . . . . . . . . . . . . . Length and timescale of shelf sea processes and phenomena observed from satellites . . . .

The sea or ground area observed by a single detector is limited to its instantaneous field of view (IFOV) which is defined by a given directional spread relative to the pointing direction. Two-dimensional sampling to cover the sea surface is achieved by utilizing any relative motion between the platform and the ground and by pointing the sensor in a systematic sampling pattern. The instantaneously acquired measurement of an ocean property would be a single value representing the average property over the region defined by the intersection of the IFOV with the ground.

15 enlarged as a gray-tone image to reveal the fine-resolution streaks aligned with the current or the bathymetry . . . . . . . . . . Monthly composite of normalized water-leaving radiance at 551 nm from MODIS data for August 2007 . . . . . . . . . . . . . . . . . TSM derived from a MERIS scene over the North Sea, acquired on March 27, 2007, and the corresponding signal depth . . . . . . . . . . . . . SAR image showing detailed shallow-water bathymetry . . .

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