RIVERS.SHP - Rivers in eastern Massachusetts

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Frequently-anticipated questions:

What does this data set describe?

Title: RIVERS.SHP - Rivers in eastern Massachusetts
Abstract:
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 a paper map of Massachusetts Bay at a scale of 1:125,000 as USGS Map I-2734.
Supplemental_Information: These data have been clipped to the extent of USGS Map I-2734.
  1. How should this data set be cited?

    Butman, Bradford, 2007, RIVERS.SHP - Rivers in eastern Massachusetts: Data Series 99, U.S. Geological Survey, Coastal and Marine Geology Program, Woods Hole Science Center, Woods Hole, MA.

    Online Links:

    This is part of the following larger work.

    Butman, Bradford, Valentine, Page C., Middleton, Tammie J., and Danforth, William W., 2007, A GIS Library of Multibeam Data for Massachusetts Bay and the Stellwagen Bank National Marine Sanctuary, Offshore of Boston, Massachusetts: Data Series 99, U.S. Geological Survey, Coastal and Marine Geology Program, Woods Hole Science Center, Woods Hole, MA.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -71.250017
    East_Bounding_Coordinate: -70.024281
    North_Bounding_Coordinate: 42.833317
    South_Bounding_Coordinate: 41.999967

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Calendar_Date: 2007
    Currentness_Reference: publication date

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: vector digital data

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • String (2775)

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.000000. Longitudes are given to the nearest 0.000000. Latitude and longitude values are specified in Decimal degrees.

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257222.

  7. How does the data set describe geographic features?

    rivers
    Shapefile Attribute Table (Source: ESRI)

    FID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    Shape
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    FNODE_
    internal number of the start x,y coordinate pair for the arc (Source: USGS)

    Range of values
    Minimum:40
    Maximum:3259
    Units:integer
    Resolution:1

    TNODE_
    internal number of the end x,y coordinate pair for the arc (Source: USGS)

    Range of values
    Minimum:36
    Maximum:3259
    Units:integer
    Resolution:1

    LPOLY_
    internal number of the polygon to the left of the arc (Source: USGS)

    Range of values
    Minimum:1
    Maximum:325
    Units:integer
    Resolution:1

    RPOLY_
    internal number of the polygon to the right of the arc (Source: USGS)

    Range of values
    Minimum:1
    Maximum:363
    Units:integer
    Resolution:1

    LENGTH
    length of the arc (Source: USGS)

    Range of values
    Minimum:2.069
    Maximum:13560.18
    Units:meters
    Resolution:1

    HD100__
    internal number of the arc (Source: USGS)

    Range of values
    Minimum:1
    Maximum:1773
    Units:integer
    Resolution:1

    HD100__ID
    Massachusetts GIS assigned identification number (Source: USGS)

    Range of values
    Minimum:58
    Maximum:32330
    Units:integer
    Resolution:1

    BAS_ID
    unique identification for hydrologic basin (Source: Massachusetts GIS)

    ValueDefinition
    13Merrimack River Basin
    15Shawsheen River Basin
    16Parker River Basin
    17Ipswich River Basin
    18North Coastal
    19Boston Harbor
    20Charles River Basin
    21South Coastal
    22Cape Cod
    25Taunton River Basin

    SARIS_ID
    unique identification for stream or river (Source: Massachusetts GIS)

    Range of values
    Minimum:0
    Maximum:61750
    Units:integer
    Resolution:1

    FEATURE
    type of hydrological feature identified by a number (Source: Massachusetts GIS)

    ValueDefinition
    1pond or lake
    2double-line stream
    3island

    AREA
    A mathematical calculation of the size of a two-dimensional geographic feature, measured in square units. (Source: ESRI)

    Range of values
    Minimum:0
    Maximum:15347560
    Units:square meters
    Resolution:1

    PERIMETER
    Distance around each polygon (Source: USGS)

    Range of values
    Minimum:0
    Maximum:162661.200
    Units:meters
    Resolution:.001

    NAME
    feature name (Source: USGS)

    Name of water feature as a text string.

    TYPE
    type of hydrologic feature (Source: Massachusetts GIS)

    ValueDefinition
    PPond or Lake
    DSDouble lined stream
    IIsland

    PALIS_ID
    unique identification for pond or lake (Source: Massachusetts GIS)

    Range of values
    Minimum:1
    Maximum:96336
    Units:integer
    Resolution:1

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    When using MassGIS data on maps or in digital applications, please credit the "Office of Geographic and Environmental Information (MassGIS), Commonwealth of Massachusetts Executive Office of Environmental Affairs" .

  3. To whom should users address questions about the data?

    U.S. Geological Survey
    c/o Bradford Butman
    Oceanographer
    384 Woods Hole Rd
    Woods Hole, MA 02543-1598
    USA

    (508) 548-8700 x2212 (voice)
    (508) 457-2309 (FAX)
    bbutman@usgs.gov

    Hours_of_Service: 8 a.m. - 5 p.m.

Why was the data set created?

This shapefile is a subset of a larger data set that shows all of the major rivers of Massachusetts. The shapefile covers the eastern portion of Massachusetts for use on USGS map I-2734.

How was the data set created?

  1. From what previous works were the data drawn?

    MassGIS (source 1 of 1)
    State of Massachusetts, Office of Geographic and Environmental, 1998, Major ponds and major Streams.

    Online Links:

    Type_of_Source_Media: online
    Source_Contribution:
    Contirbuted a larger shapefile from which this shapefile was clipped.

  2. How were the data generated, processed, and modified?

    (process 1 of 1)
    Data was downloaded from the Massachusett's Geographic Information Systems website as an ESRI shapefile and cropped to fit within the boundaries of the map layout for USGS map I-2734.

    Data sources produced in this process:

    • rivers.shp
    • rivers.dbf
    • rivers.shx

  3. What similar or related data should the user be aware of?

    , 2004, Shaded Relief, Sea Floor Topography, and Backscatter Intensity of Massachusetts Bay and the Stellwagen Bank Region Offshore of Boston, Massachusetts: Geologic Investigations Series Map I-2734, U.S. Geological Survey, Reston, VA.

    Online Links:

    This is part of the following larger work.

    Butman, Bradford, Valentine, Page C., Danforth, W, 2004, Shaded Relief, Sea Floor Topography, and Backscatter Intensity of Massachusetts Bay and the Stellwagen Bank Region Offshore of Boston, Massachusetts.

    Online Links:

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

  2. How accurate are the geographic locations?

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

  5. How consistent are the relationships among the observations, including topology?

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None.
Use_Constraints:
Public domain data is freely redistributable with proper metadata and source attribution. Please recognize Office of Geographic and Environmental Information (MassGIS), Commonwealth of Massachusetts Executive Office of Environmental Affairs as the source of this data.

  1. Who distributes the data set? (Distributor 1 of 2)

    Bradford Butman
    U.S. Geological Survey
    Oceanographer
    384 Woods Hole Road
    Woods Hole, MA 02543-1598
    USA

    (508) 548-8700 x2212 (voice)
    (508) 457-2309 (FAX)
    bbutman@usgs.gov

    Hours_of_Service: 8 a.m. to 5 p.m. EST
  2. What's the catalog number I need to order this data set?

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

    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.

  4. How can I download or order the data?

  5. What hardware or software do I need in order to use the data set?

    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.

  1. Who distributes the data set? (Distributor 2 of 2)

    U.S. Geological Survey Information Services
    Box 25286 Denver Federal Center
    Denver, Colorado 80225-0046
    USA

    (303) 202-4700 (voice)
    (303) 202-4188 (FAX)

    Hours_of_Service: 8 a.m. to 5 p.m. Mountain Time
  2. What's the catalog number I need to order this data set?

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

    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.

  4. How can I download or order the data?

  5. What hardware or software do I need in order to use the data set?

    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.

Who wrote the metadata?

Dates:
Last modified: 26-Mar-2007
Metadata author:
Bradford Butman
U.S. Geological Survey
Oceanographer
384 Woods Hole Road
Woods Hole, MA 02543-1598
USA

(508) 548-8700 x2212 (voice)
(508) 457-2309 (FAX)
bbutman@usgs.gov

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)
Metadata extensions used:

Generated by mp version 2.9.1 on Tue Mar 27 11:13:56 2007