hydrology

4 articles · All tags

• What Is a River Delta and How Does It Form?
  A river delta is new land built where a river slows on entering a sea or lake, drops its sediment, and splits into channels that push the coastline outward.
• How Are Caves and Karst Landscapes Formed?
  Caves and karst form when slightly acidic groundwater dissolves limestone along cracks, enlarging them over thousands of years into passages and sinkholes.
• Meandering Rivers and Oxbow Lakes: How They Form and Change
  A meandering river forms looping bends because its fastest flow erodes the outside of each curve, and an oxbow lake forms when a flood cuts through a loop neck.
• Water Cycle
  The continuous movement of water between atmosphere, land, and oceans through evaporation, condensation, precipitation, and runoff.