Otter Bowl-Tools
Terms
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- LADS (Laser Airborne Depth Sounder)
- flown over sea surface, measures distance btwn aircraft and sea floor, can only be used as long as water is clear,
- MELT (Mantle Electromagnetic and Tomography)
- largest geographical field program, to get better models of magma movement to ridge 1996-1998
- NASA Earth Probe
- Satillite that monitors Antarctic and Arctic ozone holes
- Portolanos
- Harbor-finding charts in Middle Ages, mileage scale, noted hazards, but no lat/longitude
- Rebillib
- Navigational Chart made of sticks from Pacific Islands
- SOSUS (Sound Surveillance Systems)
- network of underwater hydrophones installed by Navy in early 1950s, can detect earth tremors, coastal vessel trafic, submarines
- Solar stills
- plastic dome that covered salt water. Water evaporates and collects on underside of the dome. Rate of production is slow
- CTD
- ex. Seasoar, winged vessel towed behind boats
- Argo
- An international project that will deploy an array of 3000 independent instruments, or floats, throughout the oceans by 2005
- Argo Profiler
- does not flie but sinks and rised vertically only, broadcasts its recorded data and positions to a satillite, then sinks and repeats the process
- Lockheed OTEC Spar (Ocean Thermal Energy Conversion)
- a design for free-floating OTEC plant not yet built
- MOBY (Marine Optical Buoy)
- launched in 1997 carries instruments to measure light and color at the surface and at three different depths
- Seasoar
- a modified CTD device that allows sampling while the vessel is underway
- SOLCUM Glider
- has multiple sensors designed to monitor water properties independently for up to five years