USGS/WHOI CONMAR Analyses, parts 1 and 2

Metadata also available as - [Outline] - [Parseable text]

Frequently-anticipated questions:


What does this data set describe?

    Title: USGS/WHOI CONMAR Analyses, parts 1 and 2
    Abstract:
    "The USGS/WHOI Continental Margin (CONMAR) Data set was compiled by the U.S. Geological Survey and the Woods Hole Oceanographic Institution as a joint program of study of the Atlantic continental margin of the US. The CONMAR set contains information for 3,715 cores, dredges, and grab samples, and consists of 20 files of grain size analyses/statistical parameters, composition of clay, sand, gravel and carbonate fractions, organic contents, heavy mineral and x-ray analyses, radioactivity counts, and major chemical and trace-element analyses. "

  1. How should this data set be cited?

    Hathaway, John C. , and Hastings, M.E., 1971, USGS/WHOI CONMAR Analyses, parts 1 and 2.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -81.976000
    East_Bounding_Coordinate: -65.000000
    North_Bounding_Coordinate: 46.086670
    South_Bounding_Coordinate: 24.166670

  3. What does it look like?

    conmar.jpg (JPEG)
    Image map showing extent and distribution of data layer coverage

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

    Calendar_Date: 1971
    Currentness_Reference: publication date

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

    Geospatial_Data_Presentation_Form: tabular 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):

      • Entity point (13409)

    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 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.400000.
      The flattening of the ellipsoid used is 1/294.978698.

  7. How does the data set describe geographic features?

    conmar

    FID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    Shape
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    TYPE

    LATITUDE

    LONGITUDE

    SITENAME

    DATASETKEY


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?

    Polly Hastings for converting the original line data into Excel format.

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

    Lawrence J. Poppe
    U.S. Geological Survey
    Geologist
    384 Woods Hole Rd.
    Woods Hole, MA 02543-1598
    USA

    (508) 548-8700 x2314 (voice)
    (508) 457-2310 (FAX)
    lpoppe@usgs.gov


Why was the data set created?

The purpose of this data layer is to release a digital version of the coring data from the Continental Margin Program and for inclusion in the usSEABED data collection.


How was the data set created?

  1. From what previous works were the data drawn?

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

    (process 1 of 2)
    The line data from the ConMar set was converted to Excel.

    Person who carried out this activity:

    Polly Hastings
    U.S. Geological Survey
    Oceanographic Data Specialist
    384 Woods Hole Rd.
    Woods Hole, MA 02543-1598
    USA

    (508) 548-8700x2289 (voice)
    5084572310 (FAX)
    phastings@usgs.gov

    (process 2 of 2)
    Digital data were hand formatted into dbSEABED data entry structure, then filtered and data-mined through dbSEABED software (version: db9_MNEs.bas)

    Person who carried out this activity:

    Chris Jenkins
    Institute of Arctic & Alpine Research (INSTAAR) Univeristy of Colorado at Boulder
    1560 30th Street
    Boulder, CO 80309-0450
    USA

    (303) 735-5250 (voice)
    (303) 492-6388 (FAX)
    chris.jenkins@colorado.edu

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

    Hathaway, John C. , 1971, Data file Continental Margin Program Atlantic Coast of the United States: Technical Report 71-15, Woods Hole Oceanographic Institution, Woods Hole, MA.

    Other_Citation_Details: In cooperation with the U.S. Geological Survey
    National Geophysical Data Cente, World Data Center for Marine Geology , USGS Continental Margin (CONMAR) Sediment File, NGDC Data Set G00253.

    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?

    Data from the original study with WHOI on the Continental Margin (WHOI Technical Report 71-15) was released to National Geophysical Data Center* ( NGDC) in card format. This includes texture, chemistry, mineralogy, oceanographic data, etc. The sample numbers in group 1 are a letter followed by 3 digits; the samples in group 2 are 4 digits. There were also photographs collected at this time which were released on OFR01-154. (*Note that lines 600 and 620 (gravel analysis) were somehow corrupt). NGDC is the only place the entire ConMar data set has been released in digital format. ~1994: J. Hathaway released on the web all the texture data which was available. The East Coast Sediment Texture Database (ECSTDB) at that time was comprised of data organized in 3 groups: groups 1 and 2 were from the ConMar study mentioned above. Group 3 was data analyzed in the lab here in Woods Hole. Group 3 sample numbers run from AA001 to AJ523. OFR00-358 is an updated release of the ECSTDB. It again contains the ConMar data as well as the data analyzed in Woods Hole. The sample numbers in the ECSTDB now run from AA001 to AQ841. All the fields relating to data specific to the ConMar project (ie Secchi, Forel, #photos) were eliminated.

  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 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.

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

    Lawrence J. Poppe
    U.S. Geological Survey
    Geologist
    384 Woods Hole Rd.
    Woods Hole, MA 02543-1598
    USA

    (508) 548-8700 x2314 (voice)
    (508) 457-2310 (FAX)
    lpoppe@usgs.gov

  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 this data set has been used by the U.S. Geological Survey (USGS), no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and/or related materials. 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. Trade, firm, or product names and other references to non-USGS products and services are provided for information only and do not constitute endorsement or warranty, express or implied, by the USGS, USDOI, or U.S. Government, as to their suitability, content, usefulness, functioning, completeness, or accuracy.

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 25-May-2005
Last Reviewed: 04-May-2005

Metadata author:
Jamey Reid
U.S. Geological Survey
IT Specialist (Data Management)
384 Woods Hole Rd.
Woods Hole, MA 02543-1598

(508) 548-8700 x2204 (voice)
(508) 457-2310 (FAX)
jreid@usgs.gov

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

Metadata extensions used:


Generated by mp version 2.7.33 on Wed May 25 13:42:49 2005