How Do Oceans Circulate? Crash Course Geography #9

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How Do Oceans Circulate? Crash Course Geography #9


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Type: Audio/Video


In this video, students take a closer look at how the oceans circulate by following the life of a discarded water bottle as it gets snagged in the North Pacific Garbage Patch. We'll talk about what causes the movement of water, called current, both near the surface and much deeper in the oceans, and we'll show how they follow similar (but not identical) paths to the winds. Ocean circulation plays a huge role in cycling vital nutrients within the seas and helps us transport goods on ships across the globe and it's up to us to protect it.

Content Standard(s):
Social Studies
SS2010 (2010)
Grade: 7
3 ) Compare geographic patterns in the environment that result from processes within the atmosphere, biosphere, lithosphere, and hydrosphere of Earth's physical systems.

•  Comparing Earth-Sun relationships regarding seasons, fall hurricanes, monsoon rainfalls, and tornadoes
•  Explaining processes that shape the physical environment, including long-range effects of extreme weather phenomena
Examples: processes—plate tectonics, glaciers, ocean and atmospheric circulation, El Niño

long-range effects—erosion on agriculture, typhoons on coastal ecosystems

•  Describing characteristics and physical processes that influence the spatial distribution of ecosystems and biomes on Earth's surface
•  Comparing how ecosystems vary from place to place and over time
Examples: place to place—differences in soil, climate, and topography

over time—alteration or destruction of natural habitats due to effects of floods and forest fires, reduction of species diversity due to loss of natural habitats, reduction of wetlands due to replacement by farms, reduction of forest and farmland due to replacement by housing developments, reduction of previously cleared land due to reforestation efforts

•  Comparing geographic issues in different regions that result from human and natural processes
Examples: human—increase or decrease in population, land-use change in tropical forests

natural—hurricanes, tsunamis, tornadoes, floods

Tags: human impact, North Pacific, ocean current, sea
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Author: Ginger Boyd