The sky view factor (SVF) is a geometric concept that refers to the ratio of the radiation received by a planar surface to the radiation emitted by the entire hemispheric environment. These dimensionless values are used to ...
Environment
Mar 2, 2020
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4
Stunning 'gardens' of deep-sea corals have been discovered in the Bremer Canyon Marine Park by Australian and international scientists during an oceanographic expedition aboard Schmidt Ocean Institute's R/V Falkor.
Plants & Animals
Feb 28, 2020
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13
Where does the water in the Grand Canyon come from?
Environment
Jan 24, 2020
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102
A new study in the journal PLOS One says Glacier National Park's iconic mountain goats are in dire need of air conditioning.
Plants & Animals
Dec 11, 2019
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8
Submarine canyons are a final frontier on planet Earth. There are thousands of these breathtaking geological features hidden within the depths of the ocean—yet scientists have more high-resolution imagery of the surface ...
Earth Sciences
Oct 9, 2019
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163
The Little Colorado River cuts across the northeast corner of Arizona, emptying its waters into the much-larger Colorado River after a more than 330-mile journey.
Environment
Oct 8, 2019
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21
U.S. national parks are full of natural sounds. In Rocky Mountain National Park, visitors might hear the bugle of elks. At Yellowstone National Park, wolves howl in the distance. Iconic sounds like these are often associated ...
Environment
Oct 2, 2019
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13
Etched onto the steep walls of Arizona's 6,000-foot-deep, 277-mile-long Grand Canyon are clues that chronicle the sweeping changes the region has experienced during the past two billion years. The canyon's colorful layers ...
Earth Sciences
Sep 23, 2019
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9
This Copernicus Sentinel-1 image takes us just south of the US border, to the region of Baja California in northwest Mexico. Its capital city, Mexicali, is visible top left of the image.
Environment
Sep 13, 2019
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11
In the two years since the Grand Canyon approved a plan to reduce the number of bison roaming in the national park, the herd has only grown in size.
Ecology
Sep 2, 2019
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12
