• Organization: State of California
• Updated: 2022-12-14T15:39:17.484Z

This data set is an extract of the California Watershed (calwater) dataset. It has been generalized to hydrologic sub-areas for those watersheds that are considered part of the coastal steelhead...

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• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Maryland coastal zone is comprised of the land - water and subaqueous land between the territorial...

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• Organization: State of California
• Updated: 2025-03-26T15:28:54.584235

Watersheds included within 2022-2023 South-Central California coast drought monitoring efforts are Chorro, San Luis Obispo, San Simeon, and Santa Rosa Creeks, as well as the Big Sur River. ...

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• Organization: Department of the Interior
• Updated: 2020-08-17T00:00:00Z

This .zip file contains four products that will allow users to recreate the analyses and spatial data figures used in Sergeant et al. 2020, A classification of streamflow patterns across the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-05-07T00:00:00.000+00:00

This data collection comprises six years of estuarine monitoring for an assessment of coastal ecosystem health in relationship to watershed characteristics, principally land use. This...

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• Organization: Department of the Interior
• Updated: 2021-11-22T00:00:00Z

A steady-state groundwater flow model was developed for watersheds on the north shore of Long Island Sound in coastal Connecticut and adjacent areas of New York and Rhode Island. As part of the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2004-01-01T00:00:00.000+00:00

Protection and restoration of coastal watersheds requires the synthesis of complex environmental issues. Contaminated site remediation, dredging and disposal of contaminated sediments, and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-02-10T00:00:00.000+00:00

The focus of the Wahikuli-Honokowai Watershed Management Plan is the land use practices and alterations affected in the agricultural and urban districts that have upset the natural drainage...

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• Organization: State of Maryland
• Updated: 2020-01-25

This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. In 2007 - State leaders in Maryland took a bold step in their efforts to restore the Chesapeake Bay with the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-01-01T00:00:00.000+00:00

The focus of the Wahikuli-Honokowai Watershed Management Plan is the land use practices and alterations affected in the agricultural and urban districts that have upset the natural drainage...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-05-07T00:00:00.000+00:00

The Mill Pond elver ladder is one of only a few elver ladders exist in Massachusetts and even fewer have a trap to enumerate the number of migrating young of the year elvers (Anguilla rostrata)....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-05-07T00:00:00.000+00:00

The Mill Pond elver ladder is one of only a few elver ladders exist in Massachusetts and even fewer have a trap to enumerate the number of migrating young of the year elvers (Anguilla rostrata)....

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2010-01-01T00:00:00.000+00:00

The NFHAP Coastal Spatial Framework and Indicator Datasets consist of a geospatial base layer developed in ArcGIS, and associated data fields joined to the spatial framework. The Coastal Spatial...

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• Organization: Department of the Interior
• Updated: 2024-01-03T00:00:00Z

Fluvial sediment samples were collected from the lowermost reaches of 21 coastal watersheds in California, in order to characterize surficial grain size of river sediment from deposits that...

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• Organization: U.S. Environmental Protection Agency
• Updated: 2002-10-01

Estimated state-wide total nitrogen (TN) and total phosphorus (TP) loads and yields, as predicted by the 2012 regional USGS SPARROW models.Excess nitrogen and phosphorus loading impacts not only...

• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file (SWSHED12) is a statewide digital watershed file. It was created primarily for state and...

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• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file (SWSUB8) is a statewide digital watershed file. It depicts the State with 138 separate...

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• Organization: Department of the Interior
• Updated: 2024-10-10T00:00:00Z

Spawning salmon provide marine derived resources to freshwater ecosystems that can benefit stream-dwelling fish foraging and growth. Pink salmon are widely distributed throughout watersheds along...

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• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Chesapeake Bay Watershed Outline. Defines extent of the Chesapeake Bay watershed within the state of...

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• Organization: State of Maryland
• Updated: 2025-05-05

This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Tributary Teams-comprised of local citizens - farmers - business leaders and government...

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