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Topic: List of drainage basins

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	Sturgeon conservation and the Red List of Threatened Species - assessment of taxa from order Acipensiriformes ...
		List of assessment of taxa from order Acipenseriformes (sturgeons and paddlefishes) included in the 2004 IUCN Red List of Threatened Species
		Most Red List assessments are made at the species level.
		In the Red List data analysis, subpopulation and subspecies assessments are not included.
	www.iucn.org /themes/ssc/sgs/sturgeon/redlist.html (185 words)

	Stressed Basins in Massachusetts
		A stressed basin is defined as a basin or sub-basin in which the quantity of streamflow has been significantly reduced, or the quality of the streamflow is degraded, or the key habitat factors are impaired.
		In addition a preliminary list of dams which impede fish passage is available in the 1998 303d list.
		For the purposes of stressed basins, hydrologic stress is defined as the relative strength of rivers in Massachusetts.
	www.mass.gov /dcr/waterSupply/intbasin/stressed_basins.htm (3960 words)

	Drainage Guidelines
		Drainage basin, manhole and other minor structure excavations are made to the bottom of footing (base or foundation slab) elevation.
		Pre-cast concrete drainage unit sections shall be joined by a male-female joint and sealed with a choice of flexible elastomeric gaskets, pipe joint sealing compounds or concrete mortar, grout or repair material.
		Drainage unit steps may be cast or bolted in place during construction and mortared with a concrete grout after completed or attached by friction locking into preformed and/or drilled holes.
	www.fhwa.dot.gov /construction/revdrain.htm (1856 words)

	Teche / Vermilion Basin
		The Vermilion Basin lost 42,293 acres (14.8 percent) of marsh since 1932, nearly half of which was lost between 1951 and 1974, which is a relatively low rate compared to rates in other basins.
		Although the basin is geologically stable and benefits from the emerging Atchafalaya River delta, geomorphologic and hydrologic conditions have been altered by the dredging of navigation and petroleum access canals and the construction of spoil banks and levees.
		Hot spots in this basin are smaller than in other basins; they presumably originate from hydrologic changes that alter the balance between the marsh maintenance and deterioration processes, but the specific causes vary from place to place.
	lacoast.gov /geography/basins/tv/index.asp (713 words)

	1995 Hydrologic Monitoring report, King County
		The basin number is already in the name, so four characters identify the individual wetland in the sub-basin.
		The gauge records are listed in order based on their locator number, with the set of rain gauges listed first, then the streamflow records.
		The lists are segregated by monitoring type: stream gauges, which include any recording water level monitoring site; recording rain gauges; nonrecor ding staff and crest stage gauges; water quality monitoring sites.
	splash.metrokc.gov /wlr/basins/hydr1.htm (4314 words)

	Better Assessment Science Integrating Point and Nonpoint Sources (BASINS Version 2,0) Modeling System (on CD-ROM)
		BASINS is a multipurpose environmental analysis system for use by regional, state, and local agencies in performing watershed- and water-quality-based studies.
		BASINS is designed to facilitate all of these scenarios because it incorporates tools that operate on both large and small watersheds.
		BASINS operates on hydrologic units or watersheds as defined by the United States Geological Survey delineations referred to as "cataloging units." These watersheds can vary in size from 10 square miles to several hundred square miles.
	www.ntis.gov /products/bestsellers/basins.asp?loc=4-2-0 (2116 words)

	ArcView GIS Extension for Estimating Curve Numbers
		In calculating the quantity of runoff from a drainage basin, the curve number is used determine the amount of precipitation excess that results from a rainfall event over the basin.
		Because it is a function of the soil and land use of a drainage basin, estimation of a curve number requires mapping of the soil and land use within the drainage basin boundaries, and specification of unique soil types and unique land use categories.
		The curve number is estimated for a drainage basin using a combination of land use, soil, and antecedent soil moisture condition (AMC).
	gis.esri.com /library/userconf/proc00/professional/papers/PAP657/p657.htm (2389 words)

	Freshwater Fishes of Iran, Introduction - Drainage Basins - Tigris River
		The Tigris-Euphrates basin encompasses 784,500 sq km of which 19% or 146,000 sq km lies in Iran (Gleick (1993) gives 238,500 sq km and 27% for Iran and 884,000 sq km for the whole basin; the Iraqi Government in the same publication gives 378,834 sq km for the Tigris basin alone with Iran's share 28.8%).
		Tangs formed because an antecedent drainage over lower relief was gradually uplifted at a rate slow enough to permit streams to cut through ridges and retain the original pattern of drainage once the softer material was washed out of the valleys between the anticlines.
		The divide between endo- and exo-rheic basins is not the snowline of the Zagros but is east of it, so streams must first cross the Zagros peaks to start on their journey to the Persian Gulf.
	www.briancoad.com /Introduction/tigrisriverbasin.htm (7488 words)

	Seattle Public Utilities -- Maintenance Inspections
		When a catch basin or flow control structure gets too full, it stops functioning, and it is time for the property owner to clean it out.
		A list of drainage contractors who do this sort of work will be sent to you.
		You may be able to clean your catch basins yourself; however a full catch basin may contain as much as 1/3 yard or 1/2 ton of material.
	www.cityofseattle.net /util/Services/Drainage_&_Sewer/Stormwater_Related_Inspections/Maintenance_Inspections/DETENTION_200312011602295.asp (765 words)

	Lake Pontchartrain Basin
		The basin contains 483,390 acres of wetlands, consisting of nearly 38,500 acres of fresh marsh, 28,600 acres of intermediate marsh, 116,800 acres of brackish marsh, 83,900 acres of saline marsh, and 215,600 acres of cypress swamp.
		The primary causes of wetland loss in the basin are the interrelated effects of human activities and the estuarine processes that began to predominate many hundreds of years ago, as the delta was abandoned.
		A second critical problem, occurring in the lower basin, is the erosion along the MRGO caused by ship-induced waves.
	lacoast.gov /geography/basins/po/index.asp (556 words)

	River Basins (Site not responding. Last check: 2007-09-17)
		A river basin is the entire area drained by a stream and its tributaries.
		In the Sabine River basin, mean annual rainfall is nearly 60 inches and annual evaporation is less than 70 inches, whereas in the Rio Grande basin, mean annual rainfall ranges from 8 to 20 inches and annual evaporation is as much as 105 inches.
		River basins commonly align parallel to faults and fractures and then abruptly bend at high angles, forming kinks controlled by intersections of structures.
	www.lib.utexas.edu /geo/rivers.html (1341 words)

	How to: Install drainage (Site not responding. Last check: 2007-09-17)
		A variety of drainage products and techniques are available to grounds managers and superintendents, including newer technologies that are receiving some recognition lately.
		I'll discuss three basic categories of drainage for solving such problems: surface drainage, drainage basins with grates and piping, and seepage drainage using perforated pipe and gravel.
		Because slope is so important for drainage, a transit or level is good to have on hand to "shoot" grades.
	grounds-mag.com /mag/grounds_maintenance_install_drainage/index.html (561 words)

	Crumpler Plastic Pipe, Inc.
		This is especially true for connections at CATCH BASINS, MANHOLES, DRAIN BASINS, INLET DRAINS and in the union joints of such catchments requiring risers.
		At the surface, if traffic is expected, or at great depths where soil drag-down can occur from the soil locking into riser corrugations, or where water tight joints are required, poured concrete around all of the connection joint and part of the fitting should be employed.
		Where grassy swales or paved swales intersect H-20 traffic bearing catch basin grates and offer a potential moisture change in compacted soils, 6" of concrete or an expanded 95% compacted backfill zone of dimension determined by an engineer should be used.
	www.cpp-pipe.com /catch_basins.html (468 words)

	Licking and Ohio Tributaries (Site not responding. Last check: 2007-09-17)
		The Licking River Region in Kentucky: Status and Trends This report covers the entire drainage area – or basin – of the Licking River and other streams north and east of the basin along the Ohio River.
		Basin Monitoring Plan: 2004-2005 Strategic Monitoring Plan Salt and Licking and Appendices A-D - This planning document also provides a standard set of water quality parameters and sampling regimes that were designed around land-use/cover types to allow maximum utilization of programmatic resources and best characterization of water quality resources.
		These were ranked using a diverse set of empirical and surrogate data to evaluate the condition of the basin unit and running this data through a formula during calendar year 2001.
	www.watersheds.ky.gov /basins/licking (641 words)

	About the Murray-Darling Basin (Site not responding. Last check: 2007-09-17)
		The Basin includes the Darling River at 2740 km, the Murray at 2530 km and the Murrumbidgee at 1690 km — the three largest rivers in Australia.
		The Murray-Darling Basin Commission is its executive arm — and comprises representatives of the relevant State, Territory and Commonwealth government agencies with responsibility for land, water and the environment.
		The Murray Darling Basin Commission — the Department of the Environment and Heritage is represented by a Commissioner and Deputy Commissioner.
	www.deh.gov.au /water/basins/murray-darling.html (592 words)

	New York State Department of Environmental Conservation 305(b) Report (Site not responding. Last check: 2007-09-17)
		As basin studies are completed, the enhanced monitoring and assessment work will be reflected in the Section 305(b) and other water quality reports.
		The Waterbody Inventory/Priority Waterbodies List for individual drainage basins of the state are regularly updated on a rotating basin schedule.
		Furthermore, the recent adoption of the rotating basin approach to assessment and reporting was accompanied by a host of other enhancements to the New York State Waterbody Inventory and Priority Waterbodies List.
	www.dec.state.ny.us /website/dow/bwam/305b.html (1587 words)

	Indiana Geology Glossary
		An area bounded by a drainage divide that gathers water originating as precipitation and contributes it to a particular stream channel or system of channels, or to a lake, reservoir, or other body of water.
		A drainage basin can be small, such as one that contributes water to a small pond, or large, such as the one that contributes water to the Wabash River.
		Its drainage is subterranean, its size is measured in meters or tens of meters, and it is commonly funnel-shaped.
	igs.indiana.edu /geology/glossary/listEntireGlossary.cfm (3555 words)

	CiteULike: Comparing morphologies of drainage basins on Mars and Earth using integral-geometry and neural maps (Site not responding. Last check: 2007-09-17)
		We argue that morphologies of Martian basins are incompatible with runoff from sustained, homogeneous rainfall.
		We also construct a similarity graph based on the comparison of basins' hypsometric curves to demonstrate that hypsometry is incapable of discriminating between terrestrial and Martian basins.
		Integral-geometry methods are used to represent each basin by a circularity function that encapsulates its internal structure.
	www.citeulike.org /user/dbigwood/article/983820 (394 words)

	ROAM Algorithm -- Procedural River Basins
		The most critcal effect missing from realtime procedural terrain is the errosion of rain and runoff and the resulting river basin topologies.
		I recall a nice siggraph paper on procedural river basins perhaps ten years ago (my memory is really vague--I don't even recall the authors, just the images).
		The nice property of this method is that it is strictly local, coarse-to-fine, general, and a natural match for a real-time view-dependent display algorithm.
	www.cognigraph.com /ROAM_homepage/ROAM2/riverbasins.html (721 words)

	Seattle Public Utilities -- Maintenance Inspections
		Maintaining your drainage structures keeps them working so they don’t back up and flood your property or release pollutants into the stormwater system and reach creeks, lakes and Puget Sound.
		Grates are located over a catch basin (an area for collecting sediment) or over an inlet structure that leads directly to a storm drainage pipe.
		Catch basins are underground boxes that receive stormwater through a grate at ground level and/or through an inlet pipe.
	www.cityofseattle.net /util/Services/Drainage_&_Sewer/Stormwater_Related_Inspections/Maintenance_Inspections/MAINTAININ_200312011602349.asp (621 words)

	Ohio Watersheds and Drainage Basins Maps
		Basin Divide Source Data: The basin divide line shown on this map was derived from the Natural Resources Conservation Service ArcView shapefile "14-Digit Hydrologic Unit Areas for Ohio".
		Regarding the Division of Water and Ohio Drainage Basin Divide Boundaries.
		OAC 1501-2-04 Lake Erie and Ohio River Drainage Basin.
	www.dnr.state.oh.us /water/watersheds (424 words)

	Hydrologic Unit Boundaries of the Conterminous United States in BASINS
		For definition of drainage basins, there are two principal tabular data elements of interest.
		The second item, "NAME", is provided with this data set to allow a user to perform a temporary join between the basin polygons and display or query basins based on their assigned text names rather than just the basin number (HUC).
		Although these data have been processed successfully on a computer system at Tetra Tech, Inc., no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
	www.epa.gov /OST/BASINS/metadata/hydunits.htm (640 words)

	NRCS HUC12 Drainage Basins for RI; dbasin12 (Site not responding. Last check: 2007-09-17)
		License terms include (1) restrictions on secondary distribution of these data, and (2) graphic displays and printed tabular listings derived from RIGIS data may be used in publications and presentations, provided that credit is given to RIGIS as the source of the information or that notice of copyright [e.g.
		Polygon identifiers are visually checked with the DRG backdrop and compared with other available information, such as tables of basins with their codes.
		All the fields listed below are required in each state dataset, but, a state may add additional fields to their own dataset.
	www.edc.uri.edu /rigis-beta/spfdata/inlandWaters/HUC12_Drainage_Basins_RI.xml (3145 words)

	Water Quality Information Center: Tools and Guides -- Journals
		Brief instructions for subscribing to lists are given at the end of this document.
		The objectives of the list are to promote communication between persons engaged in the theoretical and practical aspects of groundwater studies, to provide a convenient method of contacting persons with diverse groundwater-related interests and expertise, and to promote groundwater education in Canada.
		The list is intended for those with an interest in the specific and unique features of WDS and the complexities of the modeling for analysis, design and optimized operation purposes (including water quality, quantity, reliability, etc.).
	www.nal.usda.gov /wqic/lists.shtml (3827 words)

	Georgia EPD - DNR Basins Metadata
		This dataset consists of 16 polygons representing river basin boundaries that intersect the State of Georgia.
		These 16 polygons represent the 14 river basin boundaries defined by the Georgia Department of Natural Resources for use in planning purposes (commonly referred to as "the DNR Basins").
		DNR Basin boundaries were then checked against USGS 7.5' topographic quadrangles to verify appropriate DNR Basin boundary assignments for each HUC boundary.
	www.gaepd.org /Documents/dnr_basins_metadata.html (550 words)

	Four Rivers (Site not responding. Last check: 2007-09-17)
		Upper Cumberland Four Rivers Basin Status Report (March 2000) - The status report, published in March 2000 was produced as part of Kentucky's Watershed Management Framework.
		Priority Watersheds, 2002 - Description of the rationale behind the Four Rivers Basin Team's selection of priority watersheds in the unit's first Watershed Management Framework cycle.
		Red River Watershed Association - The mission of the Red River Watershed Association is to enhance and protect the quality and quantity of water in the creeks and streams of our area through activities that educate, promote community cooperation, and encourage responsible stewardship.
	www.watersheds.ky.gov /basins/four_rivers/default.htm (555 words)

	STORMWATER MANAGEMENT PLAN
		In the first year of the planning program the Town will initiate an on-going program of catch basin stencilling, with the objective of stencilling 200 to 250 basins per year until all basins in Town have been stencilled.
		In the third year of the planning program the Town will initiate a stencil maintenance program where Town staff is instructed to inspect catch basin stenciling and re-do the stencilling if needed, every time they clean a basin that is already stencilled.
		Section 1080 of the Town's Subdivision Regulations specifically addresses storm drainage, although it tends to focus on removal of stormwater rather than on sediment control and treatment.
	town.williston.vt.us /mgr/environ/Plan-f.htm (7577 words)

	Prinsco - Ask the Expert (Site not responding. Last check: 2007-09-17)
		Prinsco is a manufacturer of high density polyetheylene drainage pipe (HDPE).
		Products include drainage tile, dualwall pipe, irrigation pipe, storm water management systems, corrugated pipe, drainage basins and plastic tubing.
		We serve engineers, farmers, underground utility contractors, golf course superintendents, drainage contractors, and construction contractors.
	www.prinsco.com /expert_list.cfm (102 words)

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