Currents, Sediment Cells, Budgets Flashcards
Ocean currents are located at both the ocean surface and in…
Deep water (below 300m)
Ocean currents are located at both the ocean…and in deep water (below 300m)
Surface
Ocean deep water is water below…m
300m
Ocean surface water is water less than…m deep
300
Surface currents refer to ocean currents located …
At the surface of the water
Deep currents refer to ocean currents located…
In deep water (below 300m)
Ocean currents located in deep water (below 300m) are referred to as…
Deep currents
Ocean currents located at the ocean surface are referred to as …
Surface currents
Ocean currents move water in what 2 directions
Horizontally
Vertically
True or false, ocean currents only move water vertically
False
They move water both horizontally and vertically
True or false, ocean currents only occur on a global scale
False
They also occur at a local scale
Ocean currents move water both horizontally and…and occur at both a…and global scale
Vertically
Local
The ocean is an interconnected system powered by the forces of what 5 things
Wind
Coriolis force
Tides
Sun
Water density differences
Deep ocean currents are…driven
Density
(Think DD)
Surface ocean currents are…driven
Wind
Which out of surface currents and deep currents are faster moving
Surface currents= faster moving
Deep currents= slower moving
The global…includes both surface and deep ocean currents that circulate the globe in a 1000 year cycle
Conveyor belt
The global conveyor belt includes both surface and deep ocean currents that circulate the globe in a ….year cycle
1000
The global conveyor belt includes both surface and deep ocean currents that circulate the…in a 1000 year cycle
Globe
The global conveyor belt’s circulation (surface and deep ocean currents circulating the globe in a 1000 year cycle) is as a result of what 2 processes
Warm surface currents carry less dense water away from the equator towards the poles
Cold deep currents carry denser water away from the poles towards the equator
1 process that leads to the global conveyor belt circulation (surface and deep ocean currents circulating the globe in a 1000 year cycle) is warm..currents carrying less dense water away from the…and towards the …
Surface
Equator
Poles
1 process that leads to the global conveyor belt circulation (surface and deep ocean currents circulating the globe on a 1000 year cycle) is cold..currents carrying dense water away from the….towards the…
Deep
Poles
Equator
As part of the global conveyor belt circulation…currents carry less dense water and…currents carry denser water
Surface
Deep
As part of the global conveyor belt circulation, …currents carry water away from the equator towards the poles and…currents carry water away from the poles towards the equator
Surface
Deep
3 key important roles the global conveyor belt (ocean’s global circulation system) has
Distributing heat
Regulating weather and climate
Cycling nutrients and gases around the earth
3 key roles the global conveyor belt (ocean’s global circulation system) has are distributing heat, regulating weather and climate and…
Cycling nutrients and gases around the earth
3 key roles the global conveyor belt (ocean global circulation system) has are distributing heat… and cycling nutrients and gases around the earth
Regulating weather and climate
1 key role of the global conveyor belt (ocean’s global circulation system) is to cycle nutrients and…around the earth
1 key role of the global conveyor belt (ocean’s global circulation system) is to cycle …and gases around the earth
Nutrients
… currents are when water approaches the coastline at an angle, a flow of water is generated that runs parallel to the coastline (this flow of water is known as the longshore current)
Longshore
Surf zone meaning
Area where waves break
Longshore currents definition
When waves approach the coastline at an angle, a flow of water is generated that runs parallel to the coastline
(This generated flow of water is the longshore current)
Does a longshore current run parallel or perpendicular to the coastline
Parallel
… is the movement of cold dense water from deep in the ocean moving up towards the surface to replace the warm surface water
Upwelling
Upwelling is the movement of….water from deep in the ocean moving up towards the surface to replace…
Cold dense
Warm less dense surface water
…creates nutrient-rich cold oceans
Upwelling
True or false, upwelling creates warm ocean currents
False
It creates cold ocean currents
Upwelling creates….-rich cold ocean currents
Nutrient
True or false, rip currents occur on top of the water
False
They’re underwater currents
2 examples of boundaries of sediment cells (they act as natural barriers to stop further movement of sediment)
Headlands
Peninsulas
