Oceanography Midterm
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26 terms
Terms | Definitions |
|---|---|
 Disciplines of Oceanography | astronomy, geology, geography, physics, chemistry, biology |
| Obstacles to studying the ocean | width of ocean vs. ship speed, ship cost, ocean environment |
| CTD | measures subsurface water temperatures and salinities |
| plankton net | collects microscopic floating plants and animals |
| average depth of the ocean | 4000 m |
| biological oceanography | the study of animals in the ocean, abundance of animals in the ocean |
| physical oceanography | the study of the ocean in motion. waves, tides, currents, and deep currents. |
| chemical oceanography | the study of sea water and everything that dissolves in it |
| geological oceanography | study of ocean basins, sediments, and paleoceanography |
| COSEE | Centers for Ocean Science Education Excellence |
| average ocean temperature | 38 F or 3 C |
| Water Sample: | temperature, salinity, pH, o2 content, nutrients |
| density | temperature and salinity |
| hydrography | mapping of ocean density |
| CTD | conductivity, temperature, depth |
| XBT | expendable bathythermograph. device that is dropped in the ocean and never recovered. |
| ROV | remote-operated vehicle |
| AUV | autonomous underwater vehicle |
| craton | stable continental interior |
| types of faults | active, passive, transform |
| 1870-1970 | century of understanding |
| 1970-2000 | transition to large programs |
| 2000+ | global and operational programs |
| liquid water distribution | 50% pacific, 25% atlantic, 20% indian, 2% ice caps, .1% lakes and rivers |
| earth's surface | 70% ocean, 30% land |
| ocean depth in order | pacific, atlantic, indian, arctic |
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