2010 Hudson River Shallow Water Sediment Cores

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Metadata:

Identification_Information
Data_Quality_Information
Spatial_Data_Organization_Information
Spatial_Reference_Information
Entity_and_Attribute_Information
Distribution_Information
Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Lamont-Doherty Earth Observatory of Columbia University

Originator:

Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), Coastal Services Center (CSC)

Publication_Date: 20120320

Title: 2010 Hudson River Shallow Water Sediment Cores

Geospatial_Data_Presentation_Form: vector digital data

Publication_Information:

Publication_Place: Charleston, SC
Publisher: NOAA's Ocean Service, Coastal Services Center (CSC)

Online_Linkage:

<ftp://ftp.csc.noaa.gov/pub/benthic/Grab_Sample_Data/NY_HudsonRiver_sedcores.zip>

Online_Linkage:

<http://www.csc.noaa.gov/digitalcoast/data/benthicgrab/index.html>

Online_Linkage: <http://www.csc.noaa.gov/benthic/>

Online_Linkage: <http://www.csc.noaa.gov/>

Description:

Abstract:: The Hudson River Shallow Water Mapping project characterizes the bottom of the Hudson River Estuary in shallow water (<3 m). The characterization includes acoustic data and bottom verification through sediment cores and grabs. Sediment cores and grabs for the zone of the Hudson River between Troy, NY and Saugerties, NY were collected in April 2010 by scientists of Lamont-Doherty Earth Observatory operating as sub-contractors of Fugro Atlantic. Samples were collected using the D. Prichard, a Stony Brook University vessel and analysed and archived at Lamont Doherty. This data set describes detailes of the sediment grabs. The grab samples were described in the field.
Purpose:: Our work was consistent with the Statement of Work prepared by the New York State Department of Environmental Conservation (NYSDEC) to develop detailed bathymetric maps, acoustic reflectivity and acoustic character maps of the shallow portions of the Hudson River Estuary from the Verrazano Narrows north to the federal dam in Troy. In addition NYSDEC requested the collection of grab samples and 100 sediment cores at least one meter in length distributed throughout the same shallow portions of the Estuary. This project was being conducted as part of the Hudson River Estuary Action Plan promulgated by NYSDEC and approved by the Governor in 1996 which committed the State to, among other things, -Conduct a submerged habitat inventory to define areas most in need of protection for Hudson River fish, blue crab, and food chain species. -To conserve, protect, and, where possible, enhance critical river and shoreline habitats to assure that the life cycles of key species are supported for human enjoyment and to sustain a healthy ecosystem. -To conserve for future generations the rich diversity of plants, animals and habitats that are key to the vitality, natural beauty and environmental quality of the Hudson River Valley. Previous work in the Estuary was limited, in that detailed bathymetry was not acquired in areas of the estuary shallower than about 4 meters due to financial constraints. About a third of the estuary was not surveyed this third is the area that is home to important submerged aquatic vegetation (SAV) beds which sustain much of the biologic community in the estuary. Utilizing advanced technology and the experience of the previous benthic mapping projects, this project provided NYSDEC maps of the shallow areas that were not addressed with the previous studies. Pilot studies (Maher, 2006; Strayer et al., 2006; Yeung and McConnaughey 2008) have indicated that variations in remote sensing acoustic data are strongly correlated to variations in benthic macro invertebrate communities. This primary goal of this project, guided by NYSDEC, was to acquire acoustic data in the shallow water areas of the estuary that would facilitate classification of the substrate into biologically significant units.
Supplemental_Information:: The Husdon River Shallow Watter Mapping Sediment Sampling QA Report and Final Report can be accessed at: <ftp://ftp.csc.noaa.gov/pub/benthic/Grab_Sample_Data/NY_HudsonRiver_sedcores.zip>

Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 201010

Currentness_Reference: ground condition

Status:

Progress: Complete
Maintenance_and_Update_Frequency: None planned

Spatial_Domain:

Bounding_Coordinates:

West_Bounding_Coordinate: -73.931542
East_Bounding_Coordinate: -73.688135
North_Bounding_Coordinate: 42.743188
South_Bounding_Coordinate: 42.075845

Keywords:

Theme:

Theme_Keyword_Thesaurus: None
Theme_Keyword: Environmental Monitoring
Theme_Keyword: Sediment
Theme_Keyword: Sediment core
Theme_Keyword: geographic information systems
Theme_Keyword: GIS
Theme_Keyword: Clay
Theme_Keyword: Silt
Theme_Keyword: Gravel
Theme_Keyword: Sand
Theme_Keyword: CSC Benthic Habitat Mapping

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: environment
Theme_Keyword: biota

Place:

Place_Keyword_Thesaurus: none
Place_Keyword: United States
Place_Keyword: Hudson River
Place_Keyword: New York State
Place_Keyword: Northeast

Access_Constraints: None

Use_Constraints:

These data should be used for resource mapping and comparison purposes only. While every effort has been made to ensure that these data are accurate and reliable within limits of the state of the art, NOAA will not assume any liability for damages caused by any inaccuracies in these data, or failure in their use.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: NOAA Coastal Services Center

Contact_Position: CRS Program Manager

Contact_Address:

Address_Type: mailing and physical
Address: 2234 South Hobson Avenue
City: Charleston
State_or_Province: South Carolina
Postal_Code: 29405
Country: U.S.A.

Contact_Voice_Telephone: (843) 740-1200

Contact_Facsimile_Telephone: (843) 740-1224

Data_Set_Credit: Lamont-Doherty Earth Observatory of Columbia University

Native_Data_Set_Environment:

Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.2.0.1324

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:: Values were checked against hard copy data sheets collected in the field.

Logical_Consistency_Report: All data are believed to be logically consistent.

Completeness_Report: A data point is provided for every sample location

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:: Sample locations were located in the field using a differential Global Positioning System (GPS), and station coordinates, date and time of day were recorded upon arrival at each station.

Vertical_Positional_Accuracy:

Vertical_Positional_Accuracy_Report:: Water depth of sediment samples are obtained from ship depth sounder. Tide correction have not been applied.

Lineage:

Process_Step:

Process_Description:

Sediment coring was conducted in areas shown by Fugro sub-bottom profling to have thick layers of unconsolidated sediments. A total of 100 cores, randomly distributed throughout the project area were required for the project. The cores were interpreted for grain size distribution, thickness, lithologic accessories (such as shell fragments, etc.), and layering. The grain size analysis followed the Wentworth phi size system. In addition, the top of each core was analyzed for the level of beryllium-7. A full description of the sampling equipment, sampling process, and analysis results can be found in the Hudson River Shallow Water Mapping Sediment Sampling Final Report (Nitsche and Kenna, 2010).

Process_Date: 201010

Process_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: Lamont-Doherty Earth Observatory of Columbia University
Contact_Person: Frank O. Nitsche

Contact_Address:

Address_Type: mailing and physical
Address: 61 Route 9W
City: Palisades
State_or_Province: New York
Postal_Code: 10964
Country: USA

Contact_Voice_Telephone: +1-845-365-8746

Spatial_Data_Organization_Information:

Direct_Spatial_Reference_Method: Vector

Point_and_Vector_Object_Information:

SDTS_Terms_Description:

SDTS_Point_and_Vector_Object_Type: Entity point
Point_and_Vector_Object_Count: 37

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 0.000001
Longitude_Resolution: 0.000001
Geographic_Coordinate_Units: Decimal degrees

Geodetic_Model:

Horizontal_Datum_Name: D WGS 1984
Ellipsoid_Name: WGS 1984
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: ny_hr10_sedcores
Entity_Type_Definition: Hudson River sediment cores 2010
Entity_Type_Definition_Source: NOAA Coastal Services Center

Attribute:

Attribute_Label: FID

Attribute_Definition: Internal feature number.

Attribute_Definition_Source: ESRI