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The National Hydrography Dataset (NHD) is a digital database of surface water features used to make maps. It contains features such as lakes , ponds , streams , rivers , canals , dams , and stream gauges for the United States .
Pages in category "Hydrography" The following 55 pages are in this category, out of 55 total. ... National Hydrography Dataset; Nautical publications; Neutral density;
The National Map is a significant contribution to the U.S. National Spatial Data Infrastructure (NSDI) from the Federal Geographic Data Committee (FGDC) and currently is being transformed to better serve the geospatial community by providing high quality, integrated geospatial data and improved products and services including new generation ...
The IHO identifies its representative member organisations as the respective national hydrographic office(s). These organisations may themselves be part of wider national maritime or other administrations covering a larger range of tasks – such as the national organisations for transport, maritime regulation, environment, defence or oceanography.
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 National Hydrography Dataset lists one named tributary in the Charlotte River watershed, Spring Creek, [9] a right tributary approximately 3.6 miles (5.8 km) long. [4] Near its mouth the river flows through Michigan State University's Dunbar Forest Experiment Station, an off-campus forest management research area. [6] [10] [11]
Historical and real-time streamflow data are also available via the internet from sources such as the National Weather Service (NWS) and the United States Environmental Protection Agency (EPA). A benefit of using GIS softwares for hydrological modeling is that digital visualizations of data can be linked to real-time data.
National History Day, US; National Hydrography Dataset, US; Networked Help Desk; New Hacker's Dictionary, of computer slang; Noordhollands Dagblad, a Dutch newspaper; Al Minhad Air Base, United Arab Emirates, IATA code; Nunhead railway station, London, England, station code; nHD, a graphic-display resolution of 640x360 pixels