結果 : what do dams do to rivers
4:59

How to build a dam

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9:03

The TRUE Costs of Damming Our Rivers | Earth Explained!

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4:48

Dams: Why Are They Important? | Man-made Lakes | A Lesson For Kids |

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3:45

How Dams Work (Hydro Dams)

saVRee
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3:13

Hydropower 101

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4:36

How do rivers form? (surface and groundwater flow)

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1:40

How a Dam Works

BC Hydro
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6:06

How a dam generates electricity

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879,559 回視聴 - 3 年前
1:50

Why are there dams?

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5,288 回視聴 - 1 年前

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5:44

How many dams can be built on a river?

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6:41

Why do beavers build dams?

Mystery Science
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3:22

The Environmental Effects of Dams

Ben Shields
33,264 回視聴 - 7 年前

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1:04

How Dams Produce Electricity

Mechanical Engineering
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2:59

Floodplain Model - Dams and Dykes

UTRCA
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3:22

After Largest Dam Removal in U.S. History, This River Is Thriving | National Geographic

National Geographic
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0:48

Why do beavers build dams?

DrDiclonius
61,775 回視聴 - 4 年前
2:49

How Dams Impact Our Ecosystem (CAEP)

California Department of Fish and Wildlife
3,229 回視聴 - 1 年前
4:12

Regeneration: Enhancing Water Security with Sand Dams in Kenya

Center for Strategic & International Studies
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52:01

Hydroelectric dams: Using the Power of Water | Génie Français - Megadams

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8:15

How Do Spillways Work?

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