Flashcards
Ocean Currents
Flashcards do conjunto (22)
- 1What are the 2 types of currents?Density and surface
- 2Why are currents important?- Transfer of heat throughout the earth
- affects weather patterns + climates
- Transfers nutrients through the ocean
- cycles gases through the ocean + the atmosphere - 3What are the prevailing winds?earths major wind belts
- 4what are the trade winds?- flows east to west
0 - 30 N/S - 5What are the westerlies?- Flows west to east
30 - 60 N/S - 6Earth rotates from ____ to ____West, East
- 7Prevailing winds affect the direction of surface currents. True or False?True
- 8What 3 things affect surface currents?Global winds, the Coriolis effect, and continent shapes
- 9_____ currents carry warm and cold water horizontally across the oceans surfaceSurface
- 10the temperature of the surface currents affect the _____ on the continentsClimate
- 11Warm Currents = more ____ climatesHumid
- 12Cold Currents = ____ climatesdrier
- 13What are density currents?currents that are far below the ocean's surface that are caused by changes in density
- 14Density currents move ____ to carry water between the surface to deeper parts of the oceanVertically
- 15What is upwelling?when nutrient rich (cold) water from depths to ocean surface
- 16What is the Great Ocean Conveyor Belt?Surface currents and density currents combine to form a "conveyor belt" that transfers heat and nutrients throughout the earth
- 17What is the Scientific Name for the Great Ocean Conveyor Belt?thermohaline circulation
- 18How many years does one full cycle of the thermohaline circulation model take?1000 years
- 19high salinity water cools and sinks in the northern Atlantic, true or falseTrue
- 20upwelling happens in the indian and pacific oceans to return the deep water to the surface. True or FalseTrue
- 21Surface Current: Gulf Stream Warm/Cold? Pole/Equatorward? Location?warm, poleward, southeast of north America, north of south America, West of Africa and Europe
- 22Surface Current: Canary Current Warm/Cold? Pole/Equatorward? Location?Cold, Equatorward,
Informações
- Descrição
- 9th grade Environmenal Science (Oceans) FlashCards sobre Ocean Currents, criado por Caitlyn Drago em 14-12-2022.
- Criado por
- Caitlyn Drago
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