Catalog - Data.gov

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 Shore coastal region from Hewitts Cove in Hingham to the Cape Cod Canal in Sandwich (SouthShore_intersects_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 16, 2025 at 06:08 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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Water-quality and streamflow datasets used for estimating long-term mean streamflow and annual loads to be considered for use in the 2012 regional streamflow, nutrient and sediment SPARROW models, United States, 1999-2014

Organization: Department of the Interior
Updated: 20200826 | Harvested: July 18, 2025 at 07:56 AM

The United States Geological Survey’s (USGS) SPAtially Referenced Regressions On Watershed attributes (SPARROW) model was developed to aid in the interpretation of monitoring data and simulate...

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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 Martha's Vineyard coastal region including the Vineyard Sound-, Nantucket Sound- and Atlantic Ocean- facing coasts of Martha's Vineyard and Nomans Land (MarthasVineyard_transects_rates_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 16, 2025 at 04:55 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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Intersects for the Florida east coast (FLec) coastal region generated to calculate long-term shoreline change rates using the Digital Shoreline Analysis System version 5

Organization: Department of the Interior
Updated: 20220427 | Harvested: July 16, 2025 at 11:30 AM

During Hurricane Irma in September 2017, Florida and Georgia experienced significant impacts to beaches, dunes, barrier islands, and coral reefs. Extensive erosion and coral losses result in...

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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 Cape Cod Bay coastal region from the Cape Cod Canal in Sandwich to Long Point in Provincetown (CapeCodBay_transects_rates_LTw.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 16, 2025 at 04:34 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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Puerto Rico Long-Term Coral Reef Monitoring Program database compilation: substrate cover percent, octocoral colony counts, macro invertebrate densities, fish densities, and fish biomass from 1999 to 2023 (NCEI Accession 0204647)

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Updated: 2024-01-08T00:00:00.000+00:00 | Harvested: October 13, 2025 at 05:07 AM

The Puerto Rico Coral Reef Monitoring Program data files include raw data (by transect) for 86 stations where substrate cover by sessile-benthic categories and fish, and motile megabenthic...

Intersect points used to calculate long-term (1800s-2010s) shoreline change rates for the Long Island Sound coastal region using the Digital Shoreline Analysis System version 5.1

Organization: Department of the Interior
Updated: 20250922 | Harvested: September 27, 2025 at 04:44 AM

The U.S. Geological Survey (USGS) maintains shoreline positions for the United States coasts from various historical sources, such as aerial photographs or topographic surveys, and contemporary...

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DATA Water-Level Measurement Data Collected during 2015-2016 and Approximate Long-term Water-Level Altitude Changes of Wells Screened in the Chicot, Jasper, and Evangeline Aquifers in the Houston-Galveston Region, Texas.

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 18, 2025 at 08:48 AM

The U.S. Geological Survey in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District has...

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Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (Undifferentiated) and Jasper Aquifers, Greater Houston area, Texas, 2022

Organization: Department of the Interior
Updated: 20230308 | Harvested: July 16, 2025 at 09:54 AM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and...

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Water-Level Altitude and Long-term Water-Level Altitude Change Contours (2017) in the Chicot, Evangeline, and Jasper Aquifers in the Houston-Galveston Region, Texas.

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 18, 2025 at 04:21 AM

The U.S. Geological Survey in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District has...

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Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (Undifferentiated) and Jasper Aquifers, Greater Houston area, Texas, 2021

Organization: Department of the Interior
Updated: 20220822 | Harvested: July 16, 2025 at 11:22 AM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and...

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MODFLOW-2005 and MODPATH6 models used to delineate areas contributing groundwater to selected surface receiving waters for long-term average hydrologic stress conditions from 1968 to 1983, Long Island, New York

Organization: Department of the Interior
Updated: 20201117 | Harvested: July 16, 2025 at 04:16 AM

A regional groundwater-flow model and particle-tracking program were used to delineate areas contributing groundwater to coastal and freshwater bodies and to estimate travel times from the water...

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Groundwater-level altitudes and long-term groundwater-level Changes in the Chicot, Evangeline, and Jasper aquifers, Houston-Galveston Region, Texas, 2020

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 16, 2025 at 03:39 PM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, and Lone Star Groundwater Conservation District...

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Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (Undifferentiated) and Jasper Aquifers, Greater Houston area, Texas, 2023

Organization: Department of the Interior
Updated: 20231017 | Harvested: July 16, 2025 at 08:29 AM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and...

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Groundwater-Level Altitudes and Long-Term Groundwater-Level Changes in the Chicot and Evangeline (undifferentiated) and Jasper aquifers, greater Houston area, Texas, 2024

Organization: Department of the Interior
Updated: 20250512 | Harvested: September 05, 2025 at 08:27 PM

The U.S. Geological Survey (USGS) in cooperation with the Harris‐Galveston Subsidence District, City of Houston, Fort Bend Subsidence District, Lone Star Groundwater Conservation District, and...

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