Catalog - Data.gov

Horizontal-to-Vertical Spectral Ratio (HVSR) Passive-seismic Data Collected in the Des Moines River Floodplain, Des Moines, Iowa, 2018

Organization: Department of the Interior
Updated: 20211207 | Harvested: July 16, 2025 at 11:34 AM

In summer 2018, a total of 43 passive seismic surveys were conducted in the Des Moines River floodplain. The horizontal-to-vertical spectral ratio (HVSR) method is a passive seismic technique that...

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Digital Shoreline Analysis System version 4.3 transects and short-term (1970-2009) linear regression shoreline change statistics for all data available in the North Shore coastal region from North Salisbury at the New Hampshire border to the west side of Deer Island including the Boston Harbor Islands (NorthShore_transects_rates_STlr.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: August 02, 2025 at 05:17 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 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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Fiber-optic distributed temperature sensing, seepage meter, vertical temperature profiler, water level, water quality, and streambed thermal property data collected to better understand groundwater and surface water connectivity at two sites in the Illinois River Basin

Organization: Department of the Interior
Updated: 20241009 | Harvested: July 15, 2025 at 10:54 PM

As part of the US Geological Survey's Next Generation Water Observing Systems Program (NGWOS) Research and Development efforts in the Illinois River Basin, two intensive technology 'testbed'...

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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 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_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 15, 2025 at 10:46 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 shoreline intersection points used to calculate long-term shoreline change statistics excluding the 1970-1979 and 1994 shorelines 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_intersects_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 16, 2025 at 06:05 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 Nantucket coastal region including the Nantucket Sound- and Atlantic Ocean- facing coasts of Nantucket, Muskeget and Tuckernuck Islands Massachusetts-Rhode Island border (Nantucket_intersects_LTwo.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 16, 2025 at 05:13 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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Floodplain Inundation Model and Inundation Depths: Upper Mississippi and Illinois Rivers

Organization: Department of the Interior
Updated: 20240605 | Harvested: July 16, 2025 at 02:33 AM

Floodplain inundation is believed to be the dominant physical driver of an array of ecosystem patterns and processes in the Upper Mississippi River System (UMRS), which comprises the Upper...

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SF Bay Tidal Datums (2016)

Organization: State of California
Updated: 2022-02-01T19:23:58.456Z | Harvested: July 09, 2025 at 12:23 PM

<font color='#000000'><span style='background-color:rgb(255, 255, 255);'>This study is the first comprehensive publication of tidal datums and extreme tides for San Francisco Bay (Bay) since the...

In situ measurements of turbidity and Rhodamine WT dye concentration from an experiment conducted at the USGS Columbia Environmental Research Center, Columbia, MO, on April 2, 2019

Organization: Department of the Interior
Updated: 20200817 | Harvested: July 17, 2025 at 08:39 PM

This child data release includes in situ measurements of turbidity and Rhodamine WT dye concentration acquired during an experiment performed at the USGS Columbia Environmental Research Center,...

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Pre-Delta-X: UAVSAR-derived Water Level Change Maps, Atchafalaya Basin, LA, USA, 2016

Organization: National Aeronautics and Space Administration
Updated: 2025-09-11 | Harvested: September 14, 2025 at 01:27 AM

This dataset contains five maps of cumulative changes in water levels at 30-minute intervals over a 150-minute period on 2016-10-16 in the Atchafalaya Basin in Southern Louisiana, USA, within the...

Topo-bathymetric digital elevation models of the upper Merced and Tuolumne Rivers in California derived from hyperspectral image data and near-infrared LiDAR acquired in 2014

Organization: Department of the Interior
Updated: 20210923 | Harvested: July 16, 2025 at 02:43 PM

This child data release includes fused topo-bathymetric digital elevation models of the Merced and Tuolumne Rivers in California used to support research on anadromous salmonids. The purpose of...

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Archive of Hydraulic and Hydrologic Models Used in the Stoney Brook Watershed in Carlton and St. Louis Counties, Minnesota, 2008–2024.

Organization: Department of the Interior
Updated: 20250311 | Harvested: July 23, 2025 at 06:39 PM

The U.S. Geological Survey (USGS), in cooperation with the Fond du Lac Band of Lake Superior Chippewa (FDLB), Minnesota, analyzed the hydrologic and hydraulic conditions within the Stoney Brook...

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Horizontal-to-Vertical Spectral Ratio (HVSR) Passive-Seismic Data Collected in the Cedar River Floodplain, Cedar Rapids, Iowa, 2015

Organization: Department of the Interior
Updated: 20200813 | Harvested: July 18, 2025 at 12:39 AM

In April 2015, a total of 34 passive seismic surveys were conducted in the Cedar River Floodplain. The horizontal-to-vertical spectral ratio (HVSR) method is a passive seismic technique that uses...

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Baseline for Buzzards Bay coastal region generated to calculate shoreline change rates from Nobska Point in Woods Hole to Westport at the Massachusetts-Rhode Island border (BuzzardsBay_baseline.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 16, 2025 at 05:53 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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Onshore/offshore baseline for Cape Cod Bay coastal region generated to calculate shoreline change rates from Cape Cod Canal in Sandwich to Long Point in Provincetown (CapeCodBay_baseline.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 10:15 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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Shorelines used to calculate shoreline change statistics from the South Cape Cod coastal region of Massachusetts from Stage Harbor Light in Chatham to Nobska Point in Woods Hole (SouthCapeCod_shorelines.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 09:36 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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Shorelines used to calculate shoreline change statistics from the Outer Cape Cod coastal region from Long Point in Provincetown to Monomoy Island, Massachusetts (OuterCapeCod_shorelines.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 18, 2025 at 10:06 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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Baseline for Elizabeth Islands coastal region generated to calculate shoreline change rates from Nonamesset Island southwest of Woods Hole to Cuttyhunk Island north of Martha's Vineyard (ElizabethIslands_baseline.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 16, 2025 at 06:41 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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Shorelines used to calculate shoreline change statistics from Cape Cod Bay coastal region from the Cape Cod Canal in Sandwich to Long Point in Provincetown (CapeCodBay_shorelines.shp)

Organization: Department of the Interior
Updated: 20211116 | Harvested: July 15, 2025 at 10:30 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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