Catalog - Data.gov

Found 51 datasets matching "Merrimack River".

Federal
Water-Quality Data for Discrete Samples and Continuous Monitoring on the Merrimack River, Massachusetts, June to September 2020
- Organization: Department of the Interior
- Updated: 2023-12-21T00:00:00Z
This data release includes water-quality data collected at up to thirteen locations along the Merrimack River and Merrimack River Estuary in Massachusetts. In this study, conducted by the U.S....
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Search relevance: 160.44 | Views last month: 0
Federal
H08096: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1954-11-02
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1954-11-02T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 90.46 | Views last month: 0
Federal
NOAA Integrated Ocean and Coastal Mapping (IOCM) orthorectified mosaic image tiles, Merrimack River and Plum Island Sound, Massachusetts, June 2011 (NCEI Accession 0103944)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-04-08T00:00:00.000+00:00
This dataset contains both true color (RGB) and infrared (IR) ortho-rectified mosaic tiles, created as a product from the NOAA Integrated Ocean and Coastal Mapping (IOCM) initiative for the...
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Search relevance: 89.76 | Views last month: 0
Federal
Lithogeochemical Character of Near-Surface Bedrock in the New England Coastal Basins
- Organization: Department of the Interior
- Updated: 2020-11-17T00:00:00Z
This geographic information system (GIS) data layer shows the generalized lithologic and geochemical, termed lithogeochemical, character of near-surface bedrock in the New England Coastal Basins...
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Search relevance: 70.70 | Views last month: 1
Federal
H08092: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1954-09-02
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1954-09-02T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 62.96 | Views last month: 0
Federal
H08091B: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1953-10-12
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1953-10-12T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 62.96 | Views last month: 0
Federal
H08097: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1954-07-15
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1954-07-15T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 62.96 | Views last month: 0
Federal
H08091A: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1953-10-12
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1953-10-12T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 62.16 | Views last month: 0
Federal
H08094: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1954-09-02
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1954-09-02T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 61.68 | Views last month: 0
Federal
H08091: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1953-10-12
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1953-10-12T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 61.68 | Views last month: 0
Federal
H08093: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1954-08-11
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1954-08-11T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 61.68 | Views last month: 0
Federal
H08095: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1954-07-02
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1954-07-02T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 60.93 | Views last month: 0
Federal
H08090: NOS Hydrographic Survey , Merrimack River and Outer Coast, Massachusetts, 1955-06-07
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 1955-06-07T00:00:00.000+00:00
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation and to provide...
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Search relevance: 60.93 | Views last month: 0
Federal
Neritic sediments of the Merrimack Embayment (ANAN71 shapefile)
- Organization: Department of the Interior
- Updated: 2023-05-12T00:00:00Z
The coastal dunes, beaches, and inner neritic zone of the Merrimack Embayment constitute a petrologic province. In addition to heavy mineral analyses, grain size statistics were generated on most...
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Search relevance: 59.61 | Views last month: 0
Federal
2011 NOAA Ortho-rectified Mosaic of Merrimack River and Plum Island Sound, Massachusetts (Mean Lower Low Water)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2011-08-15T00:00:00.000+00:00
This data set contains ortho-rectified mosaic tiles, created as a product from the NOAA Integrated Ocean and Coastal Mapping (IOCM) initiative. The source imagery was acquired from 20110619 -...
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Search relevance: 56.30 | Views last month: 0
Federal
Hampton Harbor, NH Tide Gauge
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-04T00:00:00.000+00:00
Tide gauge located in Hampton Harbor, NH. Funded by NERACOOS. Data is reported in elevation above MLLW (NAVD88) in feet and also converted to meters. NOAA uses Mean Lower Low Water (MLLW), which...
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Search relevance: 48.91 | Views last month: 3
Federal
Environmental and Quality-Control Data for Per- and Polyfluoroalkyl Substances (PFAS) Measured in Selected Rivers and Streams in Massachusetts, 2020 (ver. 2.0, May 2023)
- Organization: Department of the Interior
- Updated: 2023-07-13T00:00:00Z
This data release includes concentrations of 24 per- and polyfluoroalkyl substances (PFAS) and physical properties of water-quality samples collected by the U.S. Geological Survey (USGS) at 64...
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Search relevance: 30.94 | Views last month: 0
Federal
Elevation of marsh units in Plum Island Estuary and Parker River salt marsh complex, Massachusetts
- Organization: Department of the Interior
- Updated: 2020-08-06T00:00:00Z
This data release provides elevation distribution in the Plum Island Estuary and Parker River (PIEPR) salt marsh complex. Elevation distribution was calculated in terms of mean elevation of...
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Search relevance: 28.55 | Views last month: 0
Federal
Conceptual marsh units for Plum Island Estuary and Parker River salt marsh complex, Massachusetts
- Organization: Department of the Interior
- Updated: 2020-08-06T00:00:00Z
The salt marsh complex of Plum Island Estuary and Parker River (PIEPR) was delineated to smaller, conceptual marsh units by geoprocessing of surface elevation data. Flow accumulation based on...
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Search relevance: 28.22 | Views last month: 0
Federal
Unvegetated to vegetated marsh ratio in Plum Island Estuary and Parker River salt marsh complex, Massachusetts
- Organization: Department of the Interior
- Updated: 2020-08-06T00:00:00Z
Unvegetated to vegetated marsh ratio (UVVR) in the Plum Island Estuary and Parker River (PIEPR) salt marsh complex was computed based on conceptual marsh units defined by Defne and Ganju...
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Search relevance: 28.22 | Views last month: 0

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