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A watershed is an area of land that drains all the streams and rainfall to a common outlet such as the outflow of a reservoir, mouth of a bay, or any point along a stream channel. Watersheds and Drainage Basins | U.S. Geological Survey - USGS.gov usgs.gov https://.usgs.gov › water-science-school › science usgs.gov https://.usgs.gov › water-science-school › science

Watershed characteristics affecting runoff include watershed size, shape, and stream order. They also include topography, geology and soil types, which in turn influence infiltration characteristics and erosion potential. Understanding Watersheds - Canada.ca canada.ca https://agriculture.canada.ca › managing-water-sustainably canada.ca https://agriculture.canada.ca › managing-water-sustainably

Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin. It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution. Watershed delineation - Wikipedia wikipedia.org https://en.wikipedia.org › wiki › Watershed_delineation wikipedia.org https://en.wikipedia.org › wiki › Watershed_delineation

Find your WRIA You can use an address to look up your watershed, also known as a Water Resource Inventory Area (WRIA). We typically study and regulate water resources by WRIAs. There are 62 WRIAs in Washington.

A watershed is an area of land that drains or “sheds” water into a specific waterbody. Every body of water has a watershed. Watersheds drain rainfall and snowmelt into streams and rivers. These smaller bodies of water flow into larger ones, including lakes, bays, and oceans. Watershed - National Geographic Society nationalgeographic.org https://.nationalgeographic.org › encyclopedia › wa... nationalgeographic.org https://.nationalgeographic.org › encyclopedia › wa...