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Aerial Exploration of the Antarctic
Exploration of the Antarctic - Part 10 In the late 1920s, exploration of the Antarctic was revolutionized by the advent of aircraft. At the turn... More »
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Ecoregions of Texas (EPA)
Last Updated on 2013-03-27 at 15:18
http://www.lib.utexas.edu/geo/pics/ecoregionsoftexas.jpg
Ecoregions denote areas of general similarity in ecosystems... More »
Everglades Province (Bailey)
Last Updated on 2013-01-08 at 13:08
Southern Florida, Florida Keys, 7800 mi2 (20,200 km2)
Land-surface form
The Everglades occupy an extensive, almost flat marl and limestone shelf generally... More »
Polar bear
Last Updated on 2012-08-21 at 23:08
The Polar bear (Ursus maritimus) spends so much of its annual time at sea that the species is classified as a marine mammal; however, it is also commonly... More »
Ice Shelf
Last Updated on 2012-07-27 at 08:57
An ice shelf is a thick slab of naturally occurring ice, attached to a coastline and extending out over the ocean as a seaward extension of the grounded... More »
Ice sheet
Last Updated on 2012-07-27 at 08:54
An ice sheet is the contiguous assemblage of glaciers of sizeable extent; there are presently a number of well defined ice sheets, the two largest being the Antarctic Ice Sheet... More »
Aerial Exploration of the Antarctic
Last Updated on 2012-07-25 at 07:59
Exploration of the Antarctic - Part 10
In the late 1920s, exploration of the Antarctic was revolutionized by the advent of aircraft.
At the turn... More »
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