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Greg Osmond
May 10, 2013 09:05PM

I was watching two Minke whales for one hour today near my home in Woody Point, ...
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Jujiang Perlite Factory of China. Jujiang Perlite Factory is located in Pingqi...
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Weather & Climate

Weather & Climate

Located above the surface of our planet is a complex mixture of gases and suspended liquid and solid particles known as the atmosphere. Operating within the atmosphere is a variety of processes we call weather. Some measurable variables associated with weather include air temperature, air pressure, humidity, wind, and precipitation. The atmosphere also contains organized phenomena that include things like tornadoes, thunderstorms, mid-latitude cyclones, hurricanes, and monsoons. Climate refers to the general pattern of weather for a region over specific period of time. Scientists have discovered that human activities can influence Earth’s climate and weather producing problems like global warming, ozone depletion, and acid precipitation.

    • Earth's atmosphere Featured Article Earth's atmosphere Earth's atmosphere

      The Earth's atmosphere is an envelope of gas that surrounds the Earth and extends from the Earth's surface out thousands of kilometres, becoming increasingly thinner (less dense)... More »

    • Derecho Featured Article Derecho Derecho

      Two types of derecho may be distinguished based largely on the organization and behavior of the associated derecho-producing convective system. The type of derecho most often... More »

    • Clouds Featured Article Clouds Clouds

      A could is a visible aggregate of minute water droplets or ice particles in the atmosphere above the Earth's surface. Clouds are classified according to their height above... More »

    • Earth's Clouds Lowering Featured News Earth's Clouds Lowering Earth's Clouds Lowering

      This image of clouds over the southern Indian Ocean was acquired by NASA’s polar-orbiting Terra spacecraft. The featured study revealed an overall trend of decreasing... More »

    • Permian Featured Article Permian Permian

      The Permian period lasted from 290 to 248 million years ago and was the last period of the Paleozoic Era. The distinction between the Paleozoic and the Mesozoic is made at the... More »

    • Current U.S. Flood Information Featured News Current U.S. Flood Information Current U.S. Flood Information

      When flooding happens, USGS field crews are among the first to respond. During and after storms and floods, USGS field crews measure the streamflow and height of rivers... More »

    • Air Quality and Paved Surfaces Featured News Air Quality and Paved Surfaces Air Quality and Paved Surfaces

      Widespread urban development alters weather patterns Research focusing on the Houston area suggests that widespread urban development alters weather patterns in a way that ... More »

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East Siberian Sea Last Updated on 2013-05-14 at 14:09 The East Siberian Sea is a saline marine body, which is a southern marginal sea of the Arctic Ocean. To the east is found the Chukchi Sea and to the west beyond the New... More »
Baffin Bay Last Updated on 2013-05-14 at 12:11 Baffin Bay is a margibnal sea of the North Atlantic Ocean located between the Canada's Baffin, Devon and Ellesmere islands and Greenland. To the south the Davis Strait... More »
Andaman Sea Last Updated on 2013-05-13 at 23:06 The Andaman Sea is a body of marine water in the northeastern corner of the Indian Ocean that lies to the west of the Malay Peninsula, the north of Sumatra, the east of the... More »
Molucca Sea Last Updated on 2013-05-13 at 23:02 The Molucca Sea (also Molukka Sea) is a semi-enclosed sea, surrounded by a variety of islands belonging to Indonesia, most significantly the  island of Sulawesi (Celebes)... More »
Levantine Sea Last Updated on 2013-05-13 at 22:31 The Levantine Sea is most eastern unit of the Mediterranean Sea, and also the most saline portion of the Mediterranean Basin. The Levantine Sea, also known as the Levant... More »
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