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Public Domain Video Clip: Basic principles of climate science

Courtesy: US Fish & Wildlife Service
Views: 2,108 | Downloads: 13
Public Domain Mark
This work, identified by PublicDomainFiles.com, is free of known copyright restrictions.
Title:
Basic principles of climate science
Description:
Resource Management Implications of Climate Change Webinar Series. Presented by Christopher Horsch, USFWS. February 2010. - This presentation draws from the work done by others, notably Dr. Richard Wolfson, Middlebury College, the late Dr. Stephen Schneider, Stanford University, and Dr. Stephen Miller, USFWS. Throughout its history, Earth’s climate has varied, reflecting the complex interactions and dependencies of the solar, oceanic, terrestrial, atmospheric, and living components that make up planet Earth’s systems. For at least the last million years, our world has experienced cycles of warming and cooling that take approximately 100,000 years to complete.

Over the course of each cycle, global average temperatures have fallen and then risen again by about 9°F (5°C), each time taking Earth into an ice age and then warming it again. This cycle is believed associated with regular changes in Earth’s orbit that alter the intensity of solar energy the planet receives. Earth’s climate has also been influenced on - very long timescales by changes in ocean circulation that result from plate tectonic movements. Earth’s climate has changed abruptly at times, sometimes as a result of slower natural processes such as shifts in ocean circulation, sometimes due to sudden events such as massive volcanic eruptions. Species and ecosystems have either adapted to these past climate variations or perished.
Creator:
Source:
Duration:
1:20:51
Views:
2,108
Downloads:
13
Keywords:
Date Added:
April 2, 2014
Download: Video
Size: 1280 x 720
File size: 613.1 MB
File type: mp4
Free

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Produced by United States Government
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US Fish & Wildlife Service

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US Fish & Wildlife Service
External Site: US Fish & Wildlife Service
The U.S. Fish and Wildlife Service is a bureau within the U.S. Department of the Interior. Its mission is to work with others to conserve, protect and enhance fish, wildlife and plants and their habitats for the continuing benefit of the American people. USFWS National Digital Library The U.S. Fis
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