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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.
The Muskingum Watershed Conservancy District (MWCD) is a political subdivision of the State of Ohio organized in 1933 to develop and implement a plan for flood reduction and water conservation in the Muskingum River watershed, the state's largest wholly contained watershed, covering more than 8,000 square miles (21,000 km 2). Since the original ...
[1] [2] Over time the system was changed and expanded. [3] As of 2010 there are six levels in the hierarchy, represented by hydrologic unit codes from 2 to 12 digits long, called regions, subregions, basins, subbasins, watersheds, and subwatersheds. The table below describes the system's hydrologic unit levels and their characteristics, along ...
Map of the Muskingum River watershed showing the Licking River Historic view of the Licking River from "Geography of Ohio," 1923. The Licking River is a tributary of the Muskingum River, about 40 mi (65 km) long, in central Ohio in the United States. Via the Muskingum and Ohio Rivers, it is part of the watershed of the Mississippi River.
Drainage basin of the Ohio River, part of the Mississippi River drainage basin. In hydrology, the drainage basin is a logical unit of focus [clarification needed] for studying the movement of water within the hydrological cycle. The process of finding a drainage boundary is referred to as watershed delineation. Finding the area and extent of a ...
Map of the Maumee River watershed showing the Blanchard River. The Blanchard River is a 103-mile-long (166 km) [3] tributary of the Auglaize River in northwestern Ohio in the United States. It drains a primarily rural farming area in the watershed of Lake Erie. Much of the length of the river can be navigated by canoe. [4]
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MapWindow GIS and its associated MapWinGIS ActiveX Control were originally developed by Daniel P. Ames and a team of professors and students at Utah State University in 2002-2003 as part of a research project with the Idaho National Laboratory in Idaho Falls, Idaho as a GIS mapping framework for watershed modelling tools in conjunction with source water assessments conducted by the laboratory.