CERCMR80-4: USACE ICONS cores, Cape May region, New Jersey

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Frequently-anticipated questions:

What does this data set describe?
    Title: CERCMR80-4: USACE ICONS cores, Cape May region, New Jersey
    Abstract:
    About 1,235 square kilometers of the Inner Continental Shelf adjacent to Cape May peninsula was investigated by a seismic reflection and coring survey to obtain geologic information on sea floor and subbottom sand and gravel deposits having suitable characteristics for use as fill in beach nourishment and restoration projects. Water depths in the study area ranged from about 1.5 to 21 meters. A total of 1,258 kilometers of seismic profiles and 104 vibratory cores, ranging in length from 1 to 3.7 meters, were examined. Linear and arcuate shoals are the dominant sea floor features in the region and most appear to be composed of clean, fine to very coarse-grained quartz sand which overlies a flat deposition surface. Several cores penetrating the surface show the underlying material to be a poorly sorted admixture of fine-grained and very coarse-grained sediments that are denser than the modern shelf sands and probably represent a pre-Holocene fluvial deposit. Results of this assessment study show that 16 potential shoal sites and 2 promising sea floor areas are present. Individual shoals contain from 4.6 to more than 472 million cubic meters of sand; the total sand and gravel resource is conservatively estimated to be 1,086 million cubic meters.

  1. How should this data set be cited?

    Reid, Jamey M. , 2005, CERCMR80-4: USACE ICONS cores, Cape May region, New Jersey: Data Series, 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: -75.040400
    East_Bounding_Coordinate: -74.498700
    North_Bounding_Coordinate: 39.000060
    South_Bounding_Coordinate: 38.754450

  3. What does it look like?

    mr804.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: 1980
    Currentness_Reference: publication date

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

    Geospatial_Data_Presentation_Form: document

  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 (329)

    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?

    mr804
    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.

    REFERENCE

    CORE_NO_

    LATITUDE

    LONGITUDE

    Entity_and_Attribute_Overview:
    Sample identifiers, navigation, core descriptions, and grain size statistics from the USACOE ICONS program project off Cape May, New Jersey. Some entries for top and bottom depths were originally reported as "top." In the digital files, "top" was changed and defined as 0 - 0.02 meters.

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?

    Please review the cross reference information for the original data set credit to Meisburger and Williams (1976). Emma Mitchell and Jamey Reid for entering the data for the source report.

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

    Jeff Williams
    U.S. Geological Survey
    Geologist
    384 Woods Hole Rd.
    Woods Hole, MA 02543-1598

    (508) 548-8700 x2383 (voice)
    (508) 457-2310 (FAX)
    jwilliams@usgs.gov

Why was the data set created?
The purpose of this datalayer is to release a digital version of the coring data from a U.S, Army Corp of Engineers (USACOE) Inner Continental Shelf (ICONS) program project in the Cape May region off New Jersey

How was the data set created?
  1. From what previous works were the data drawn?

    USACOE Miscellaneous Report 80-4 (source 1 of 1)
    Meisburger, E.P., and Williams, S.J., 1980, Sand resources on the inner continental shelf of the Cape May region, New Jersey: Miscellaneous Report No.80-4, USACOE Coastal Engineering and research Center, Fort Belvoir, VA.

    Type_of_Source_Media: paper
    Source_Contribution:
    Sample identifiers, navigation, core descriptions, and grain-size statistics were hand-entered from report MR80-4 to create an Excel spreadsheet file.

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

    Date: 19-Jun-2002 (process 1 of 2)
    The source information was entered into an Excel spreadsheet. Additional fields were added for project identification purposes. The table information was exported and saved as an ASCII text file.

    Person who carried out this activity:

    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

    Data sources used in this process:
    • mr80_4.xls

    Data sources produced in this process:

    • mr80_4.txt

    Date: 19-Jun-2002 (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:

    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

    Data sources used in this process:
    • mr80_4.txt

    Data sources produced in this process:

    • mr80_4.dbf
    • mr80_4.shp
    • mr80_4.shx

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

    Meisburger, E.P., and Williams, S.J., 1980, Sand resources on the inner continental shelf of the Cape May region, New Jersey: Miscellaneous Report No. 80-4, USACOE, Coastal Engineering and Research Center, Fort Belvoir, VA.

How reliable are the data; what problems remain in the data set?
  1. How well have the observations been checked?

    All attributes were entered and checked by the compilers in a consistent manner.

  2. How accurate are the geographic locations?

    Navigation was by Loran C. Typical nonrepetitive accuracy for Loran off New Jersey is about +/- 200 meters.

  3. How accurate are the heights or depths?

    Tides are less than 2 meters.

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

    Core locations and descriptions are provided for 102 vibracores with unique field ids; grain size statistics are provided for 251 analyses. Two cores had no recovery and were supplied in the original report without navigation, and therefore are not included in this data set.

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

    No additional checks for topological consistency were performed on this data set.

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: None

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

    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

  2. What's the catalog number I need to order this data set?

    National Assessment of Marine Sand and Gravel Resources: mr80_4.shp

  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?

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

    The original data is available in ASCII text format

Who wrote the metadata?
Dates:
Last modified: 20-Apr-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 13:36:04 2005