Catalog - Data.gov

Chesapeake Bay Nontidal Network 1985-2023: Short- and long-term trends

Organization: Department of the Interior
Updated: 20250313 | Harvested: August 06, 2025 at 05:58 PM

Nitrogen, phosphorus, and suspended-sediment loads, and changes in loads, in major rivers across the Chesapeake Bay watershed were calculated using monitoring data from the Chesapeake Bay Nontidal...

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Source Strength Functions from Long-Term Monitoring Data and Spatially Distributed Mass Discharge Measurements

Organization: U.S. Environmental Protection Agency
Updated: 2018-04-11 | Harvested: June 27, 2025 at 09:11 PM

Source strength functions (SSF), defined as contaminant mass discharge or flux-averaged concentration from dense nonaqueous phase liquid (DNAPL) source zones as a function of time, provide a...

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2023 Flower Garden Banks National Marine Sanctuary Long-Term Monitoring of the Coral Reef Caps of East Flower Garden Bank and West Flower Garden Bank (NCEI Accession 0306920)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Updated: 2025-09-17T00:00:00.000+00:00 | Harvested: October 04, 2025 at 02:34 AM

This dataset contains raw and processed data from an annual long-term monitoring program documenting fish and benthic community observations, along with water quality measurements, at East Flower...

2024 Flower Garden Banks National Marine Sanctuary Long-Term Monitoring of the Coral Reef Caps of East Flower Garden Bank and West Flower Garden Bank (NCEI Accession 0308032)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Updated: 2025-09-23T00:00:00.000+00:00 | Harvested: October 04, 2025 at 02:39 AM

This dataset contains raw and processed data from an annual long-term monitoring program documenting fish and benthic community observations, along with water quality measurements, at East Flower...

Cabrillo National Monument Rocky Intertidal Long-Term Monitoring (LTM) Data Package

Organization: Department of the Interior
Updated: 2025-09-05 | Harvested: September 07, 2025 at 08:19 PM

The rocky intertidal zone at Cabrillo National Monument (CABR) is a valued and rare natural resource in southern California. It has been monitored since 1990 and was incorporated into the “Vital...

SGS-LTER Long-term Monitoring Project: Carnivore Scat Count on the Central Plains Experimental Range, Nunn, Colorado, USA 1997 -2006, , ARS Study Number 98

Organization: Department of Agriculture
Updated: 2024-02-13 | Harvested: June 24, 2025 at 07:50 PM

<p>This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets...

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Long-term database of historical, current, and future land cover for the Delaware River Basin (1680 through 2100)

Organization: Department of the Interior
Updated: 20210415 | Harvested: July 16, 2025 at 01:41 PM

The USGS’s FORE-SCE model was used to produce a long-term landscape dataset for the Delaware River Basin (DRB). Using historical landscape reconstruction and scenario-based future projections, the...

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Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics for the Outer Cape Cod coastal region from Long Point in Provincetown to Monomoy Island (OuterCapeCod_intersects_LTw.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 15, 2025 at 09:00 PM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Long-term field observation of shrubland ecosystem in Wyoming, USA from 2008-2018

Organization: Department of the Interior
Updated: 20200818 | Harvested: July 17, 2025 at 07:49 PM

The importance of monitoring shrublands to detect and understand changes through time is increasingly recognized as critical to management. This dataset focuses on ecological change observation...

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Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics for the North Shore coastal region from North Salisbury at the New Hampshire border to the west side of Deer Island in Boston Harbor (NorthShore_intersects_LTw.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 09:54 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics for the South Cape Cod coastal region from Stage Harbor Light in Chatham to Nobska Point in Woods Hole (SouthCapeCod_intersects_LTw.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 16, 2025 at 06:57 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 transects and long-term linear regression shoreline change statistics without shorelines from 1970s and 1994 within the Outer Cape Cod coastal region from Long Point in Provincetown to Monomoy Island (OuterCapeCod_transects_rates_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 09:52 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 transects and long-term linear regression shoreline change statistics without shorelines from 1970-1979 and 1994 within the North Shore coastal region from North Salisbury at the New Hampshire border to the west side of Deer Island in Boston Harbor (NorthShore_transects_rates_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 10:29 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics for the Buzzards Bay coastal region from Nobska Point in Woods Hole, to Westport at the Rhode Island border (BuzzardsBay_intersects_LTw.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 10:12 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 transects and long-term linear regression shoreline change statistics without shorelines from 1970-1979 and 1994 within the South Cape Cod coastal region from Stage Harbor Light in Chatham to Nobska Point in Woods Hole (SouthCapeCod_transects_rates_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 09:33 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics excluding the 1970-1979 and 1994 shorelines within the South Cape Cod coastal region from Stage Harbor Light in Chatham to Nobska Point in Woods Hole (SouthCapeCod_intersects_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 15, 2025 at 11:57 PM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 transects and long-term linear regression shoreline change statistics for all data available within the Nantucket coastal region including the Nantucket Sound- and Atlantic Ocean- facing coasts of Nantucket, Muskeget and Tuckernuck Islands (Nantucket_transects_rates_LTw.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 15, 2025 at 11:59 PM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 transects and long-term linear regression shoreline change statistics without shorelines from 1970-1979 and 1994 within the Cape Cod Bay coastal region from the Cape Cod Canal in Sandwich to Long Point in Provincetown (CapeCodBay_transects_rates_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 10:20 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics for the Elizabeth Islands coastal region from Nonamesset Island southwest of Woods Hole to Cuttyhunk Island north of Martha's Vineyard (ElizabethIslands_intersects_LTw.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 09:41 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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Digital Shoreline Analysis System version 4.3 shoreline intersection points used to calculate long-term shoreline change statistics within the Nantucket coastal region including the Nantucket Sound- and Atlantic Ocean- facing coasts of Nantucket, Muskeget and Tuckernuck Islands (Nantucket_intersects_LTw.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 09:31 AM

Due to continued coastal population growth and increased threats of erosion, current data on trends and rates of shoreline movement are required to inform shoreline and floodplain management. The...

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