The words of watershed

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Across
  1. 1. A surface that does not allow water to filter through it, such as pavement or rooftops.
  2. 3. The volume of water that passes a given location within a given period of time.
  3. 6. The slow movement of surface water into the soil and to the groundwater.
  4. 7. The action or process of water flowing off land.
  5. 8. Another name for a watershed or drainage area.
  6. 12. The flow of water in a natural stream or river channel.
  7. 13. The source or upper part of a stream or river.
  8. 14. A smaller stream or river that flows into a larger stream, lake, or river.
  9. 15. Water released from the atmosphere as rain, snow, sleet, or hail, which is the primary source of water in a watershed.
Down
  1. 2. Relating to or situated on the banks of a river, stream, lake, or other body of water.
  2. 4. An alternative term for a watershed or drainage basin.
  3. 5. Water that flows across the land surface rather than soaking into the ground, eventually entering streams or other water bodies.
  4. 9. An underground layer of rock or soil that holds groundwater.
  5. 10. The scientific study of the movement, distribution, and management of water on Earth and other planets.
  6. 11. Water that exists beneath the Earth's surface in soil pore spaces and in the fractures of rock formations.