CRED Cumulative Map of Percent Scleractinian Coral Cover at Midway Atoll, 2002-04

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Frequently anticipated questions:

What does this data set describe?

Title:
CRED Cumulative Map of Percent Scleractinian Coral Cover at Midway Atoll, 2002-04
Abstract:
This map displays optical validation observation locations and percent coverage of scleractinian coral overlaid on bathymetry.
Supplemental_Information:
The Midway Islands, located at 28.2 N, 177.4W and 1.42 sq. km in area, are enclosed in the classically shaped Midway Atoll. The underlying basalt, covered by more than 400m of fossil reef, is estimated to be 28 million years old. (Boreholes drilled by Ladd et al. [reported in Science in 1967] reached basalt 152m below Sand Island.) Within the reef are two islands; Sand Island was extensively modified starting in 1856 when reefs were blasted to create a port. Midway was an important stopover on transpacific voyages, and saw regular commercial ship and seaplane traffic. During the U.S. Navy's occupation of the atoll beginning in the 1940s, Sand Island and Eastern Island were extensively modified to create airstrips and widen the southern shipping channel. The atoll and banks include 223 sq. km area with of depths less than 100 m. The area is now the Midway Atoll National Wildlife Refuge which is under jurisdiction of the U.S. Fish and Wildlife Service. Cruises CoRIS Metadata Record Names TC0207 cred_toad_midway_2002 OES0306 cred_toad_midway_2003 HI0401 cred_toad_midway_2004

Resource Description: Digital video images that are geo-referenced to navigation files.

  1. How might this data set be cited?
    Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), 200606, CRED Cumulative Map of Percent Scleractinian Coral Cover at Midway Atoll, 2002-04.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -177.41977
    East_Bounding_Coordinate: -177.38267
    North_Bounding_Coordinate: 28.28858
    South_Bounding_Coordinate: 28.25578
  3. What does it look like?
    http://www.soest.hawaii.edu/pibhmc/NWHI_images/mid_toad_445px.jpg (JPEG)
    This map displays optical validation observation locations and percent coverage of scleractinian coral overlaid on bathymetry.
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 2002
    Ending_Date: 2004
    Currentness_Reference: ground condition
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: digital image
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
    2. What coordinate system is used to represent geographic features?
  7. How does the data set describe geographic features?

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?
    Benthic Habitat Mapping Group, Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), NOAA
  3. To whom should users address questions about the data?
    Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
    Attn: John Rooney
    NOAA IRC
    Honolulu, HI

    808 725-5360 (voice)
    808 725-5429 (FAX)
    nmfs.pic.credinfo@noaa.gov
    Contact_Instructions: e-mail preferred

Why was the data set created?

To display locations of optical validation data collected and percent coverage of scleractinian coral at Midway Atoll.

How was the data set created?

  1. From what previous works were the data drawn?
  2. How were the data generated, processed, and modified?
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the 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:
Please acknowledge the NOAA Coral Reef Ecosystem Division, Pacific Islands Fisheries Science Center as the source of this information.
  1. Who distributes the data set? (Distributor 1 of 1)
    Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
    Attn: John Rooney
    NOAA IRC
    Honolulu, HI

    808 725-5360 (voice)
    808 725-5429 (FAX)
    nmfs.pic.credinfo@noaa.gov
    Contact_Instructions: e-mail preferred
  2. What's the catalog number I need to order this data set? Downloadable Data
  3. What legal disclaimers am I supposed to read?
    These data are not to be used for navigational purposes. NOAA makes no warranty regarding these data, expressed or implied, nor does the fact of distribution constitute such a warranty. NOAA cannot assume liability for any damages caused by any errors or omissions in these data, nor as a result of the failure of these data to function on a particular system.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 29-Mar-2020
Metadata author:
Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA)
Attn: CRED Data Management Team
NOAA IRC
Honolulu, HI

808 725-5360 (voice)
808 725-5429 (FAX)
nmfs.pic.credinfo@noaa.gov
Contact_Instructions: e-mail preferred
Metadata standard:
FGDC Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)
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