Earth ID: 30163

The Seasons of Lake Tahoe

Released on October 17, 2013

Perhaps the most familiar change in our changing world is the annual swing of the seasons. This series of images shows the changes around Lake Tahoe, on the border between California and Nevada, from August 27, 2009, to September 7, 2010. Snow, plants, light, and the lake itself all shift in accordance with the seasons. One of the most obvious signals in the Lake Tahoe region is snow, a commodity that draws skiing vacationers. The groomed trails are among the first places to turn white when the first snow arrives in October, and they are among the last places to lose snow in June. Apart from snow cover, the other clear indicator of seasonal change is the lighting. The seasonal shift in light is evident in the shadows that play across the images. During the height of summer, direct light illuminates the mountaintops and valley floors. Moving into the fall, shadows paint the western side of the mountains. By December, shadows dominate, with only eastern mountain faces reflecting bright light.

For More Information

http://earthobservatory.nasa.gov/Features/WorldOfChange/tahoe.php

Credits

Mark Malanoski (GST): Project Support
Heather Hanson (GST): Writer

Please give credit for this item to:
NASA/Goddard Space Flight Center

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Data Used:

EO-1/ALI

2009 - 2010

http://eo1.gsfc.nasa.gov/Technology/ALIhome1.htm

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This item is part of this series:
World of Change

Keywords:
SVS >> HDTV
SVS >> Hyperwall
NASA Science >> Earth
SVS >> Presentation
GCMD >> Earth Science >> Land Surface >> Landscape >> Landscape Patterns

GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0