Hydrologic unit definition
Hydrologic unit means a surface drainage area or a ground water basin or a combination of the two.
Hydrologic unit means an area of land above or upstream from a specific point on a stream, which is enclosed by a topographic divide such that direct surface runoff from precipitation normally drains by gravity into the stream or the area above the specified point on a stream.
Hydrologic unit means a defined area from which water rights authorizing diversion of water from a source of supply may be deposited and from which water from the same source of supply may be leased, in accordance with the provisions of this act, without causing impairment of existing water rights or a significantly different hydrological effect to other users of water from the same source or hydraulically connected sources of supply.
Examples of Hydrologic unit in a sentence
Continued 4th Field hydrologic unit code Hydrologic unit name State(s) Chinook salmon Coho salmon Puget Sound pink salmon Impassable dam(s) 17060207 ...........................
Continued 4th Field hydrologic unit code Hydrologic unit name State(s) Chinook salmon Coho salmon Puget Sound pink salmon Impassable dam(s) 18040002 ...........................
More Definitions of Hydrologic unit
Hydrologic unit means a hydrologic subregion established by the United States Department of the Interior, Geological Survey, on the “Hydrologic Unit Map-1987, State of Alaska”; “hydrologic unit” includes the water of an ocean that is adjacent to a hydrologic subregion of the state.
Hydrologic unit means watershed boundaries as shown on the U.S. Geological Survey's Hydrologic Unit Map of Kentucky.
Hydrologic unit means a watershed in the United States that has been delineated by the U.S. Geological Survey using a national standard hierarchical system based on surface hydrologic features and are classified into the following types of hydrologic units:
Hydrologic unit means a drainage area within:
Hydrologic unit means any geographic area drained by a river system, a reach of a river and its tributaries in that reach, a closed basin(s), or a group of streams forming a coastal drainage basin. Hydrologic units are divided into size classifications, or fields, as defined by USGS codes, where the first field, such as the Columbia Basin, is a region.
Hydrologic unit means a defined land area drained by a river/stream or system of connecting rivers/streams such that all surface water within the area flows through a single outlet.