Satellite oceanography

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Components of an active radar “altimeter” systemFor sea level: Transmit at nadir (directly beneath satellite)Two types ofremote sensing:Activesource and sensorsignalraw datacalibration/validationμ-wave radarReflectionprocessing /dissemination
Orbits Determine SamplingGeostationary Orbit - GEO36,000km altitude (wide view)Stays over same locationCan document evolving systemsHigh temporal resolutionLower spatial resolution?Not necessarily – can “stare”for longer exposures.No polar coverage“Polar” Orbit (Low Earth Orbit LEO)850-1000 km altitudeTravels nearly over polesSees almost whole globeLower temporal resolutionHigher spatial resolution?Not necessarily – limited time overeach point.
Page 1 and 2: Ocean Remote Sensing from Satellite
Page 3 and 4: Remote Sensing PioneersEarly Days 1
Page 6 and 7: Ships take time to “map out” an
Page 9: Components of a passive “SST” r
Page 13 and 14: A Global System of Geosynchronous S
Page 15 and 16: What SeaWiFS (visible) sees in one
Page 17 and 18: Space Debris
Page 24 and 25: Specific ExamplesSea Surface Temper
Page 27 and 28: Why Use Microwave?Clouds!Two-days o
Page 29 and 30: Passive measurementSpecific Example
Page 31 and 32: Surface Temperature and Chlorophyll
Page 33 and 34: Components of an active radar “al
Page 35 and 36: Surface Height, Temperature and Chl
Page 37: Components of an active radar “sc
Page 43 and 44: Altimeter and Scatterometer
Page 45 and 46: Altimeter Estimates ofGlobal Sea Le
Page 47 and 48: Computer Models of 3-D Currents and
Page 49 and 50: Future Technologies“Next generati
Page 51 and 52: Web SitesOSU/COAS: Cooperative Inst

Satellite oceanography

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