Geographical Articles

• Weather
  Climate
  Global Warming
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  Climate model

  Climate models use quantitative methods to simulate the interactions of the atmosphere, oceans, land surface, and ice. They are used for a variety of purposes from study of the dynamics of the ... > more
• Storms
  Severe Weather
  Snow and Avalanches
  Geography
  Hurricanes and Cyclones
  Tornadoes
   

  North American blizzard of 1978

  The Blizzard of 1978 (more commonly known in New England as "Blizzard of '78") was a severe Nor'easter that affected the New England area of the United States. Connecticut, Rhode Island, and ... > more
• Geology
  Earthquakes
  Natural Disasters
  Sports Science
  Earth Science
  Geography
   
  

  Geologic fault

  Geologic faults or simply faults are planar rock fractures which show evidence of relative movement. Large faults within the Earth's crust are the result of shear motion and active fault zones are ... > more
• Volcanoes
  Geology
  Natural Disasters
  Geography
  Caving
  Oceanography
   
  

  Basalt

  Basalt is a common gray to black volcanic rock. It is usually fine-grained due to rapid cooling of lava on the Earth's surface. It may be porphyritic containing larger crystals in a fine matrix, or ... > more
• Weather
  Severe Weather
  Hurricanes and Cyclones
  Climate
  Global Warming
  Geography
   

  Numerical weather prediction

  Numerical weather prediction is the science of predicting the weather using "models" of the atmosphere and computational techniques. Manipulating the huge datasets and performing the complex ... > more
• Dinosaurs
  Extinction
  Geography
  Nature
  Environmental Policy
  Marine Biology
   

  Cretaceous

  The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more
• Pollution
  Water
  Ecology
  Acid Rain
  Air Pollution
  Sustainability
   
  

  Eutrophication

  Eutrophication is the enrichment of an ecosystem with chemical nutrients, typically compounds containing nitrogen, phosphorus, or both. Eutrophication can be a natural process in lakes, occurring as ... > more
• Volcanoes
  Natural Disasters
  Fossils
  Origin of Life
  Earthquakes
  Earth Science
   

  Supervolcano

  A supervolcano refers to a volcano that produces the largest and most voluminous kinds of eruption on Earth. The actual explosivity of these eruptions varies, but the sheer volume of extruded magma ... > more
• Severe Weather
  Storms
  Tornadoes
  Weather
  Geography
  Water
   
  

  Supercell

  A supercell is a severe thunderstorm with a deep rotating updraft. Supercell thunderstorms are the largest, most severe class of single-cell thunderstorms. It has been argued that there are really ... > more
• Global Warming
  Ice Ages
  Climate
  Oceanography
  Snow and Avalanches
  Severe Weather
   
  

  Larsen Ice Shelf

  The Larsen Ice Shelf is a long, fringing ice shelf in the northwest part of the Weddell Sea, extending along the east coast of Antarctic Peninsula from Cape Longing to the area just southward of ... > more

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