Originator: U.S. Geological Survey
Massachusetts Bay and adjacent land: Polygon boundaries for source data of a continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf: (Esri polygon shapefile, Geographic, NAD 83).
Geospatial_Data_Presentation_Form: Vector Digital Data Set (Polygon)
Series_Name: data release
Woods Hole Coastal and Marine Science Center, Woods Hole, Massachusetts
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Originator: Brian D. Andrews
Originator: Wayne E. Baldwin
Originator: Daniel W. Sampson
Originator: William C. Schwab
Continuous bathymetry and elevation models of the Massachusetts coastal zone and continental shelf
Series_Name: data release
Publication_Place: Reston, Virginia
Publisher: U.S. Geological Survey
Suggested citation: Andrews, B.D., Baldwin, W.E., Sampson, D.W., and Schwab, W.C., 2018, Continuous bathymetry and elevation models of the Massachusetts coastal zone and continental shelf: U.S. Geological Survey data release, https://doi.org/10.5066/F72806T7
Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for ocean planning purposes. The area is divided into the following four geographical areas to reduce file size and facilitate publishing: Massachusetts Bay from the Massachusetts-New Hampshire border south to Provincetown and Scituate and east to Stellwagen Bank; Cape Cod Bay from Provincetown to Scituate and south to Hyannis; Buzzards Bay from the Cape Cod Canal southwest to the State border including the Elizabeth Islands and extending north to Fall River and Mount Hope Bay; and Nantucket and Vineyard Sounds, from Hyannis south to the border of the Massachusetts Coastal zone approximately 8 kilometers south of Nantucket. A Triangulated Irregular Network was created from public-domain bathymetric and LiDAR data using the ArcGIS terrain-model framework and then interpolated into a 32-bit GeoTiff of 10 meter resolution. The grids for each of the four geographical areas are referenced to the Universal Transverse Mercator, Zone 19, North American Datum of 1983 coordinate system, and the North American Vertical Datum of 1988. A polygon shapefile recording the source datasets accompanies each of the four grids.
The purpose of this polygon feature class is to identify the spatial extent and provenance of the source data used to create the continuous elevation surface. In addition the shapefile will also provide an inventory of the most recent elevation and bathymetry datasets within the Massachusetts coastal zone and offshore water and identify areas of the offshore waters that are only covered by historical lead-line soundings and should be updated by using new survey methods.
This shapefile should be used in conjunction with "MassBay_10m.tif" to understand the collection date, and spatial resolution of the source data are variable and should be considered when using this raster for analysis at fine scales. The attribute table of the “MassBay_Source.shp” provides details about the collection date, and web address of the source data.
Currentness_Reference: ground condition
Maintenance_and_Update_Frequency: None planned
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: Massachusetts Office of Coastal Zone Management
Theme_Keyword: National Ocean Service
Theme_Keyword: National Oceanic and Atmospheric Administration
Theme_Keyword: U.S. Army Corps of Engineers
Theme_Keyword: swath bathymetry
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: sea-floor characteristics
Theme_Keyword: digital elevation models
Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: United States of America
Place_Keyword: Commonwealth of Massachusetts
Place_Keyword: Essex County
Place_Keyword: Suffolk County
Place_Keyword: Norfolk County
Place_Keyword: Plymouth County
Place_Keyword: Gulf of Maine
Place_Keyword: Ipswich Bay
Place_Keyword: Massachusetts Bay
Place_Keyword: Boston Harbor
Place_Keyword: Plymouth Bay
Place_Keyword: Cape Ann
Place_Keyword: Salem Harbor
Place_Keyword: Stellwagen Bank
Place_Keyword: Stellwagen Bank National Marine Sanctuary
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information. Users are advised to read the data set's metadata thoroughly to understand appropriate use and data limitations.
Contact_Person: Brian Andrews
Contact_Organization: U.S. Geological Survey
Address_Type: mailing and physical address
Contact_Voice_Telephone: 508-548-8700 x2348
Address: 384 Woods Hole Rd.
City: Woods Hole
Image of source data boundaries for terrain model of Massachusetts Bay and surrounding elevations. File is located in the compressed zip file.
Please recognize the U.S. Geological Survey (USGS) as the source of this information.
Native_Data_Set_Environment: Version 6.2 (Build 9200) ; Esri ArcGIS 10.3.1.4959