Watersheds and Drainage Basins | U.S. Geological Survey - USGS.gov
2019年6月8日 · 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 can be as small as a footprint or large enough to encompass all the land that drains water into rivers that drain into Chesapeake Bay, where it enters the ...
Drainage basin - Wikipedia
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean.
StreamStats | U.S. Geological Survey - USGS.gov
StreamStats provides access to spatial analytical tools that are useful for water-resources planning and management, and for engineering and design purposes. The map-based user interface can be used to delineate drainage areas, get basin characteristics and estimates of flow statistics, and more. Available information varies from state to state.
Drainage Basin - Education
2024年7月19日 · A watershed is an entire river system —an area drained by a river and its tributaries. It is sometimes called a drainage basin. Watersheds can cover wide areas. Runoff water from a large watershed in the mid continental United States drains into the Gulf of Mexico through the Mississippi River system. The Amazon River watershed is huge ...
What is a Drainage Area? (with pictures) - AllTheScience
2024年5月21日 · A drainage area is a portion of land over which water from rain and melting snow drains into a single body of water. This body of water may be a swamp, drainage pond, lake, river or tributary. The drainage area of an area is very important as it determines wastewater management strategy, and can help determine the source of pollutants.
Drainage Area - an overview | ScienceDirect Topics
The drainage area involves the thickness and width of a drainage layer. The drainage layer thickness affects the time-to-drain according to the FHWA model while showing insignificant effects on time-to-drain according to LTPP statistical analysis [80,81] .
WATERS GeoViewer Tutorial | US EPA
2024年8月28日 · A drainage area defines the geographic extent of the land surface that drains to a specific point (the outlet). A watershed is a special kind of drainage area that extends from the starting point (the outlet) upstream all the way to the headwaters. Click on the Drainage Area Delineation icon
In determining drainage area, the Federal Inter-Agency River Basin Committee, Subcommittee on Hydrology (1951) suggests that, "Drainage area boundaries should be established with utmost care, utilizing skilled personnel
Drainage basin | Definition, Example, & Facts | Britannica
2025年1月10日 · drainage basin, area from which all precipitation flows to a single stream or set of streams. For example, the total area drained by the Mississippi River constitutes its drainage basin, whereas that part of the Mississippi River drained by the Ohio River is …
drainage area是什么意思_drainage area的翻译_音标_读音_用法_ …
Conditions that are correlated with accelerated deposition include drainage area, gully development, and texture source material. 与加速沉积有关的条件包括流域面积, 沟壑发育状况和土壤结构等. Should be the most acidic, humus - rich and good drainage area of growth, micro - alkali soil can be. 最宜在酸性 、 富含腐殖质而排水良好的地域生长, 微碱土也可.