Bradford Butman
Tammie J. Middleton
2007
5-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangle 1 (Q1_5MCTR.SHP)
1.0
vector digital data
Data Series
99
Woods Hole Coastal and Marine Science Center, Woods Hole, MA
U.S. Geological Survey, Coastal and Marine Geology Program
https://doi.org/10.3133/ds99
https://pubs.usgs.gov/ds/99/massbay_gis/2_multibeam/bathymetry/q1_5mctr.zip
https://pubs.usgs.gov/ds/99/webpages/quad1.html
Butman, Bradford
Valentine, Page C.
Middleton, Tammie J.
Danforth, William W.
2007
A GIS Library of Multibeam Data for Massachusetts Bay and the Stellwagen Bank National Marine Sanctuary, Offshore of Boston, Massachusetts
1.0
Data Series
99
Reston, VA
U.S. Geological Survey
https://pubs.usgs.gov/ds/99/
The U.S. Geological Survey has conducted geologic mapping to characterize the sea floor offshore of Massachusetts. The mapping was carried out using a Simrad Subsea EM 1000 Multibeam Echo Sounder on the Frederick G. Creed on four cruises conducted between 1994 and 1998. The mapping was conducted in cooperation with the National Oceanic and Atmospheric Administration (NOAA) and with support from the Canadian Hydrographic Service and the University of New Brunswick.
The long-term goal of this mapping effort is to produce high-resolution geologic maps and a Geographic Information System (GIS) project that presents images and grids of bathymetry, shaded relief bathymetry, and backscatter intensity data from these surveys that will serve the needs of research, management and the public.
The data presented here have been published on paper maps of Quadrangle 2 in western Massachusetts Bay at a scale of 1:25,000 (USGS Map I-2731A, B and C).
This shapefile shows sea floor bathymetry as contours at 5-m intervals in western Massachusetts Bay map Quadrangle 1. The contours were derived from a 6-m resolution grid of multibeam data that had been smoothed over a 9-cell by 9-cell rectangle using the focalmedian routine.
1994
1998
publication date
None planned
-70.781056
-70.600055
42.322212
42.203387
USGS Metadata Identifier
USGS:eb9e8357-c765-4c84-af34-386e94f86202
None
bathymetry
contour
5-meter contour
USGS Map I-2731
polyline
sea floor
shapefile
Woods Hole Science Center
WHSC
Coastal and Marine Geology Program
CMGP
U.S. Geological Survey
USGS
ISO 19115 Topic Category
oceans
elevation
USGS Thesaurus
bathymetry
contouring
sea-floor characteristics
geospatial datasets
None
Massachusetts Bay
western Massachusetts Bay
Boston
Massachusetts
Stellwagen Basin
MWRA ocean outfall
MWRA
Gulf of Maine
United States
North Atlantic Ocean
None
These data are not to be used for navigation purposes. Mariners should refer to the appropriate nautical chart.
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.
U.S. Geological Survey
Bradford Butman
Oceanographer
mailing and physical address
384 Woods Hole Rd
Woods Hole
MA
02543-1598
USA
(508) 548-8700 x2212
(508) 457-2309
bbutman@usgs.gov
8 a.m. - 5 p.m.
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.1.0.780
Butman, Bradford
Hayes, Laura
Danforth, William W.
Valentine, Page C.
2003
Sea floor topography of Quadrangle 1 in western Massachusetts Bay offshore of Boston, Massachusetts
Geologic Investigations Series Map
I-2731-A
Reston, VA
U.S. Geological Survey
https://pubs.usgs.gov/imap/i-2731a/
Data were verified by plotting over acquired bathymetric data and visually matching contours with depth values.
These data are logically consistent.
The multibeam bathymetric data, on which these contours are based, were corrected for tidal elevation during the survey using sea level measured at the NOAA Boston tide gage. This assumes that the tidal elevation and phase are the same as Boston across the survey area. Further processing to correct for the spatial and temporal changes in tidal elevation across the survey area may be undertaken at a later time.
These data were navigated with a Differential Global Positioning System (DGPS); they are accurate to +/- 3 meters, horizontally.
These data have been corrected for vessel motion (roll, pitch, heave, yaw) and tidal offsets, and referenced to mean lower low water. The theoretical vertical resolution of the Simrad EM-1000 multibeam echosounder is 1 % of water depth, approximately 0.3 - 1.0 m within the study area.
U.S. Geological Survey
2007
Q1_BATHY6M - 6 meter grid of the Quad1 multibeam bathymetry for western Massachusetts Bay
1.0
raster digital data
Data Series
99
Woods Hole Coastal and Marine Science Center, Woods Hole, MA
U.S. Geological Survey, Coastal and Marine Geology Program
https://pubs.usgs.gov/ds/99/massbay_gis/2_multibeam/grids/q1_bathy6m.zip
https://pubs.usgs.gov/ds/99/webpages/quad1.html
Butman, Bradford
Valentine, Page C.
Middleton, Tammie J.
Danforth, William W.
2007
A GIS Library of Multibeam Data for Massachusetts Bay and the Stellwagen Bank National Marine Sanctuary, Offshore of Boston, Massachusetts
1.0
Data Series
99
Reston, VA
U.S. Geological Survey
https://pubs.usgs.gov/ds/99/
disc
1994
1998
ground condition
q1_bathy6m
Grid data contoured using Arc/Info.
Bathymetric contours at 5-m intervals were derived from a 6-m resolution grid of multibeam bathymetry using the "latticecontour" routine. The 6-m grid (q1_bathy6m) was smoothed over a 9-cell by 9-cell rectangle using the "focalmedian" function in ARCGRID. The contours were converted to a shapefile in ArcGIS.
q1_bathy6m
200702
q1_5mctr.shp
q1_5mctr.dbf
q1_5mctr.shx
William Danforth
U.S. Geological Survey
Operational Geologist
mailing and physical address
384 Woods Hole Road
Woods Hole
MA
02543-1598
USA
(508) 548-8700 x2274
(508) 457-2310
bdanforth@usgs.gov
Edits to the metadata were made to fix any errors that MP v 2.9.36 flagged. This is necessary to enable the metadata to be successfully harvested for various data catalogs. In some cases, this meant adding text "Information unavailable" or "Information unavailable from original metadata" for those required fields that were left blank. Other minor edits were probably performed (title, publisher, publication place, etc.). Attempted to modify http to https where appropriate. Minor fixes to the attribute format for some attributes were needed. The metadata date (but not the metadata creator) was edited to reflect the date of these changes. The metadata available from a harvester may supersede metadata bundled within a download file. Compare the metadata dates to determine which metadata file is most recent.
20170203
U.S. Geological Survey
VeeAnn A. Cross
Marine Geologist
Mailing and Physical
384 Woods Hole Road
Woods Hole
MA
02543-1598
508-548-8700 x2251
508-457-2310
vatnipp@usgs.gov
USGS Thesaurus keywords added to the keyword section.
20180720
U.S. Geological Survey
VeeAnn A. Cross
Marine Geologist
Mailing and Physical
384 Woods Hole Road
Woods Hole
MA
02543-1598
508-548-8700 x2251
508-457-2310
vatnipp@usgs.gov
Crossref DOI link was added as the first link in the metadata.
20191115
U.S. Geological Survey
VeeAnn A. Cross
Marine Geologist
Mailing and Physical
384 Woods Hole Road
Woods Hole
MA
02543-1598
508-548-8700 x2251
508-457-2310
vatnipp@usgs.gov
Added keywords section with USGS persistent identifier as theme keyword.
20200908
U.S. Geological Survey
VeeAnn A. Cross
Marine Geologist
Mailing and Physical
384 Woods Hole Road
Woods Hole
MA
02543-1598
508-548-8700 x2251
508-457-2310
vatnipp@usgs.gov
Vector
String
360
0.000001
0.000001
Decimal degrees
North American Datum of 1983
Geodetic Reference System 80
6378137.000000
298.257222
Mean lower low water
0.5
Meters
Explicit depth coordinate included with horizontal coordinates
q1_5mctr
Information unavailable from original metadata.
Information unavailable from original metadata.
FID
Internal feature number.
ESRI
Sequential unique whole numbers that are automatically generated.
Shape
Feature geometry.
ESRI
Coordinates defining the features.
FNODE_
internal number of the start x,y coordinate pair for the arc
USGS
53
515
integer
TNODE_
internal number of the end x,y coordinate pair for the arc
USGS
54
516
integer
RPOLY_
internal number of the polygon to the right of the arc
USGS
0
integer
Information unavailable from original metadata.
LPOLY_
internal number of the polygon to the left of the arc
USGS
0
integer
Information unavailable from original metadata.
LENGTH
length of the arc
USGS
0
508.6833
meters
CONTOUR
depth in meters of bathymetric contour
USGS
20
65
meters
5
Bradford Butman
U.S. Geological Survey
Oceanographer
mailing and physical address
384 Woods Hole Road
Woods Hole
Massachusetts
02543-1598
USA
(508) 548-8700 x2212
(508) 457-2309
bbutman@usgs.gov
8 a.m. to 5 p.m. EST
Downloadable Data
Although these data have been used by the U.S. Geological Survey (USGS), U.S. Department of the Interior (DOI), no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials.
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
SHP
3.3
ESRI polyline shapefile
Zip archive file containing the follow items. The SHP file contains the geospatial data. The SHX file contains the index of the geospatial data. The DBF file contains the attribute data in dBase format. The PRJ file contains the coordinate system information (optional). The AVL file contains the legend information (optional). The SBN and SBX files contain the spatial index of the geospatial data (optional). The XML file contains the metadata describing the data set "data set name".shp.xml. An ASCII version of the metadata file. A browse graphic showing the data layer coverage and extent (optional).
zip archive
22.428
https://pubs.usgs.gov/ds/99/massbay_gis/2_multibeam/bathymetry/q1_5mctr.zip
Data may be downloaded via the World Wide Web.
DVD-ROM
4.75
Gbytes
UDF
None
These data are available in Environmental Systems Research Institute (ESRI) shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of the importing data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.
U.S. Geological Survey Information Services
mailing address
Box 25286 Denver Federal Center
Denver
Colorado
80225-0046
USA
(303) 202-4700
(303) 202-4188
8 a.m. to 5 p.m. Mountain Time
Downloadable Data
Although these data have been used by the U.S. Geological Survey (USGS), U.S. Department of the Interior (DOI), no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials.
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
SHP
3.3
ESRI polyline shapefile
Zip archive file containing the follow items. The SHP file contains the geospatial data. The SHX file contains the index of the geospatial data. The DBF file contains the attribute data in dBase format. The PRJ file contains the coordinate system information (optional). The AVL file contains the legend information (optional). The SBN and SBX files contain the spatial index of the geospatial data (optional). The XML file contains the metadata describing the data set "data set name".shp.xml. An ASCII version of the metadata file. A browse graphic showing the data layer coverage and extent (optional).
zip archive
22.428
DVD-ROM
4.75
Gbytes
UDF
None
These data are available in Environmental Systems Research Institute (ESRI) shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of the importing data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.
20240318
Bradford Butman
U.S. Geological Survey
Oceanographer
mailing and physical address
384 Woods Hole Road
Woods Hole
MA
02543-1598
USA
(508) 548-8700 x2212
(508) 457-2310
whsc_data_contact@usgs.gov
The metadata contact email address is a generic address in the event the person is no longer with USGS. (updated on 20240318)
FGDC Content Standards for Digital Geospatial Metadata
FGDC-STD-001-1998
local time
None
None