Search results
Results from the WOW.Com Content Network
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.
Fanno Creek is a 15-mile (24 km) tributary of the Tualatin River in the U.S. state of Oregon. [3] Part of the drainage basin of the Columbia River, its watershed covers about 32 square miles (83 km 2) in Multnomah, Washington, and Clackamas counties, including about 7 square miles (18 km 2) within the Portland city limits.
The pieces include units that drain to segments of streams, remnant areas, noncontributing areas, and coastal or frontal units that can include multiple watersheds draining to an ocean or large lake. Hence, half or more of the hydrologic units are not watersheds as the name of the framework Watershed Boundary Dataset (WBD) implies.
The river's watershed is the youngest in the Puget Sound region, having been formed from a series of lahars starting about 5,600 years ago. [6] The valley's 150,000 residents are at risk from future lahars. For this reason, the United States Geological Survey has installed a lahar warning system.
Arnold Creek is a tributary of Middle Island Creek, 10.9 miles (17.5 km) long, [5] in West Virginia in the United States.Via Middle Island Creek and the Ohio River, it is part of the watershed of the Mississippi River, draining an area of 34.7 square miles (90 km 2) [6] in a rural region on the unglaciated portion of the Allegheny Plateau.
The Tolt River is located in the western foothills of the Cascade Mountains in north central King County in the U.S. state of Washington.The river begins at the confluence of the North Fork Tolt and South Fork Tolt rivers.
The St. Marks River is a river in the Big Bend region of Florida. It has been classified by the Florida Department of Environmental Protection as an Outstanding Florida Water, and is the easternmost river within the Northwest Florida Water Management District.
Middle Island Creek is formed at the community of Smithburg in Doddridge County by the confluence of Meathouse Fork and Buckeye Creek.It initially flows generally northwestward in a winding course through Doddridge and Tyler Counties, through the unincorporated community of Avondale and the town of West Union in Doddridge County; and in Tyler County, the unincorporated communities of Josephs ...