An Introduction to Ocean Remote Sensing by Seelye Martin

By Seelye Martin

Absolutely up-to-date, with major new assurance of advances in satellite tv for pc oceanography and effects from new satellite tv for pc missions, the second one variation of this renowned textbook introduces scholars to how distant sensing works, easy methods to comprehend observations from Earth-observing structures, and the observations' value to actual and organic oceanography. It presents complete reasons of radiative move, ocean floor homes, satellite tv for pc orbits, tools and strategies, obvious distant sensing of biogeochemical homes, infrared and microwave retrieval of sea floor temperature, sea floor salinity retrieval, passive microwave measurements, scatterometer wind retrieval, altimetry and SAR. additionally incorporated are descriptions of the net data the place info should be received, and readers can receive on-line instruments for operating with the knowledge - allowing hands-on engagement with real-world observations. this can be an incredible textbook for graduate and complicated undergraduate scholars in oceanography, distant sensing and environmental technological know-how, and a realistic source for researchers and execs operating with oceanographic satellite tv for pc information.

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Extra resources for An Introduction to Ocean Remote Sensing

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Because of the atmospheric contributions to the reflected and received radiation described in Chapters 4 and 9, there are three electromagnetic wavelength bands or windows, called the visible, infrared and microwave, through which the ocean is viewed. In the visible and extending into the near infrared, the observations depend on reflected sunlight and are restricted to daytime cloud-free periods. Because the visible spectrum contains the only wavelengths at which light penetrates to oceanic depths of order 10–100 m, visible observations yield the only information on the depth-averaged color changes associated with phytoplankton and sediment concentrations.

For both sets of orbits, to minimize the generation of debris by break-up of the satellites, all fuel tanks should be depressurized and any energy contained in momentum wheels should be depleted. Another satellite hazard is that solar storms and flares generate highly charged particles that can cause temporary or permanent damage to satellite electronics. Such storms are monitored by the NOAA Space Weather Prediction Center (SWPC), which issues warnings to satellite operators (SWPC, 2012). These particles are primarily a problem at GEO altitudes, but for LEO, and as Brautigam (2002) describes, they occur in a location over South America called the South Atlantic Anomaly (SAA).

The successor to this mission is the joint US/Japanese Global Precipitation Measurement (GPM) Core mission, with a greater inclination angle of 65° that is scheduled for launch in 2014. Another member of the GPM constellation in a similar orbit is the Indian/French Megha-Tropiques rainfall mission with an inclination angle of 22° that was launched in 2010. Finally, the altimeter occupies an orbit designed to measure sea surface height. Because the tidal bulge associated with the 12- and 24-hour tides always lies directly beneath a satellite in a Sun-synchronous orbit, some altimeters operate at a higher non-synchronous altitude of 1200–1400 km.

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