Oceanography Articles

• Caving
  Acid Rain
  Geography
  Geology
  Oceanography
  Water
   
  

  Limestone

  Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO3). Limestones often contain variable amounts of silica in the form of chert or flint, as well as ... > more
• Civil Engineering
  Geology
  Earthquakes
  Engineering
  Natural Disasters
  Energy Technology
   

  Engineering geology

  Engineering Geology is the application of the science of geology to the understanding of geologic phenomena and the engineering solution of geologic hazards and other geologic problems for ... > more
• Floods
  Desert
  Geology
  Water
  Oceanography
  Natural Disasters
   
  

  Sandstone

  Sandstone is a sedimentary rock composed mainly of sand-size mineral or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the earth's ... > 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
• Geography
  Fossils
  Earth Science
  Geology
  Origin of Life
  Environmental Policy
   

  Cenozoic

  The Cenozoic Era is the most recent of the four classic geological eras. The Cenozoic is divided into two periods, the Palaeogene and Neogene, and they are in turn divided into epochs. The Palaeogene ... > more
• Marine Biology
  Ecology
  Ecology Research
  Fish
  Invasive Species
  Sea Life
   
  

  Tide pool

  Tide pools (also tidal pools or rock pools) are rocky pools by the ocean that are filled with seawater. Tide pools can either be small and shallow or large and deep. The small ones are usually found ... > more
• Water
  Recycling and Waste
  Drought
  Environmental Issues
  Drought Research
  Ecosystems
   
  

  Groundwater

  Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of geologic formations. A formation of rock/soil is called an aquifer when it can yield a useable ... > more
• Water
  Floods
  Geography
  Oceanography
  Drought Research
  Global Warming
   
  

  River

  A river is a large natural waterway. The source of a river may be a lake, a spring, or a collection of small streams, known as headwaters. From their source, all rivers flow downhill, typically ... > more
• Oceanography
  Floods
  Environmental Science
  Landslides
  Sustainability
  Geography
   
  

  Coastal management

  Coastal management or coastal defence is used throughout the world for many different purposes, but predominantly to reduce coastal erosion and ... > 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
• Aviation
  Atmosphere
  Sports Science
  Vehicles
  Global Warming
  Floods
   

  Altitude

  Altitude is the elevation of an object from a known level or datum. Common datums are mean sea level and the surface of the WGS-84 geoid, used by GPS. In the United States and the UK aviation ... > more
• Soil Types
  Organic
  Fungus
  Landslides
  Agriculture and Food
  Acid Rain
   
  

  Soil science

  Soil science deals with soil as a natural resource on the surface of the earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils ... > more

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