Glacier Bay Video Observations

Frequently-anticipated questions:

• What does this data set describe?
  1. How should this data set be cited?
  2. What geographic area does the data set cover?
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
  5. What is the general form of this data set?
  6. How does the data set 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?
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
• Why was the data set created?
• 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?
  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 data, including topology?
• How can someone get a copy of the data set?
  1. Are there legal restrictions on access or use of the data?
  2. Who distributes the data?
  3. What's the catalog number I need to order this data set?
  4. What legal disclaimers am I supposed to read?
  5. How can I download or order the data?
• Who wrote the metadata?

What does this data set describe?

1. How should this data set be cited?

   Cochrane, Guy R. , Harney, Jodi, Dartnell, Pete, Golden, Nadine, and Chezar, Hank, 2005, Glacier Bay Video Observations:.

   Online Links:

   • <http://pubs.usgs.gov/of/2006/1081/catalog.html>
   • <http://pubs.usgs.gov/of/2006/1081/observations/video_obs_centralbay.tgz>

   This is part of the following larger work.

   Cochrane, Guy R. , Harney, Jodi, Dartnell, Pete, Golden, Nadine, and Chezar, Hank, 2005, Geologic Characteristics of Benthic Habitats, Glacier Bay, Southeast Alaska, Volume I Edition: 1.0: Open-File Report USGS OFR 2006-1081, U.S. Geological Survey, Coastal and Marine Geology Program, Western Coastal and Marine Geology, Santa Cruz, CA.

   Online Links:

   • <http://pubs.usgs.gov/of/2006/1081/index.html>

2. What geographic area does the data set cover?

   West_Bounding_Coordinate: -136.382434

   East_Bounding_Coordinate: -135.878131

   North_Bounding_Coordinate: 59.029898

   South_Bounding_Coordinate: 58.396455

3. What does it look like?

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

   Beginning_Date: 1998

   Ending_Date: 2004

   Currentness_Reference: Ground Condition

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

   Geospatial_Data_Presentation_Form: map

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 (5747)

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

      The map projection used is NAD_1983_UTM_Zone_8N.

      Projection parameters:

      Straight-Vertical_Longitude_from_Pole: -135

      Standard_Parallel: 0.999600

      False_Easting: 500000.000

      False_Northing: 0.000

      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.000064
      Ordinates (y-coordinates) are specified to the nearest 0.000064
      Planar coordinates are specified in meters

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic ReferenceSystem 80.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.2572222.
      

7. How does the data set describe geographic features?

   Entity_and_Attribute_Overview:

   FID Alias: FID Data type: OID Width: 4 Precision: 0 Scale: 0 Definition: Internal feature number. Definition Source: ESRI

   Shape Alias: Shape Data type: Geometry Width: 0 Precision: 0 Scale: 0 Definition: Feature geometry. Definition Source: ESRI

   Lon Alias: Lon Data type: Number Width: 19 Number of decimals: 11

   Lat Alias: Lat Data type: Number Width: 19 Number of decimals: 11

   pri_subst Alias: pri_subst Data type: String Width: 254

   sec_subst Alias: sec_subst Data type: String Width: 254

   relief Alias: relief Data type: Number Width: 10

   complexity Alias: complexity Data type: String Width: 254

   biomass Alias: biomass Data type: String Width: 254

   observ1 Alias: observ1 Data type: String Width: 254

   observ2 Alias: observ2 Data type: String Width: 254

   observ3 Alias: observ3 Data type: String Width: 254

   observ4 Alias: observ4 Data type: String Width: 254

   observ5 Alias: observ5 Data type: String Width: 254

   geo_obs Alias: geo_obs Data type: String Width: 254

   special Alias: special Data type: String Width: 254

   Zpigm Alias: Zpigm Data type: Number Width: 19 Number of decimals: 11

   comment Alias: comment Data type: String Width: 254

   sample Alias: sample Data type: String Width: 254

   depthm Alias: depthm Data type: String Width: 254

   cam_hdg Alias: cam_hdg Data type: Number Width: 19 Number of decimals: 11

   sog Alias: sog Data type: Number Width: 19 Number of decimals: 11

   line Alias: line Data type: Number Width: 10

   tape Alias: tape Data type: Number Width: 10

   yyyydddhhm Alias: yyyydddhhm Data type: Number Width: 19 Number of decimals: 11

   jday Alias: jday Data type: Number Width: 10

   hhmmss Alias: hhmmss Data type: Number Width: 10

   xval Alias: xval Data type: Number Width: 19 Number of decimals: 11

   yval Alias: yval Data type: Number Width: 19 Number of decimals: 11

   bathyg Alias: bathyg Data type: Float Width: 19 Number of decimals: 11

   obs Alias: obs Data type: String Width: 25

   Entity_and_Attribute_Detail_Citation: none

Who produced the data set?

1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
   • Guy R. Cochrane
   • Jodi Harney
   • Pete Dartnell
   • Nadine Golden
   • Hank Chezar

2. Who also contributed to the data set?

   A compilation of scuba and rov dive observations of benthic habitat. Divers include Russ Vetter, Cynthia Taylor, and other NOAA employed divers. ROV operated by John Butler, John Wagner, and other NOAA technicians. Some of the dives made on USGS field activity S-1-01-SC

3. To whom should users address questions about the data?
   Guy R. Cochrane
   United States Geological Survey (USGS)
   Geophysicist
   USGS, 400 Natural Bridges Drive
   Santa Cruz, CA 95060-5792
   USA
   

   (831) 427-4754 (voice)
   (831) 427-4748 (FAX)
   gcochrane@usgs.gov
   

Why was the data set created?

These data are intended for science researchers, students, policy makers, and the general public. The data can be used with geographic information systems (GIS) software to display geologic and oceanographic information.

How was the data set created?

1. From what previous works were the data drawn?

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

   Date: 2005 (process 1 of 1)

   First draft of metadata created by using using

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

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

1. How well have the observations been checked?

   Visual observations of variable unknown accuracy

2. How accurate are the geographic locations?

   Highly variable on the order of 10 meters.

3. How accurate are the heights or depths?

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

   Observations made without uniform protocol.

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

   Point features present.

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)
   United States Geological Survey (USGS)
   c/o Guy R. Cochrane
   Geophysicist
   USGS, 400 Natural Bridges Drive
   Santa Cruz, CA 95060-5792
   USA
   

   (831) 427-4754 (voice)
   (831) 427-4748 (FAX)
   gcochrane@usgs.gov
   

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

3. What legal disclaimers am I supposed to read?

   Please recognize the U.S. Geological Survey (USGS) as the source of this information.

   Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, 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 U.S. Geological Survey in the use of this data, software, or related materials.

4. How can I download or order the data?

Who wrote the metadata?

Dates:

Last modified: 22-Sep-2004
Last Reviewed: 2004

Metadata author:

United States Geological Survey (USGS)
c/o Guy R. Cochrane
Geophysicist
USGS, 400 Natural Bridges Drive
Santa Cruz, CA 95060-5792
USA

(831) 427-4754 (voice)
(831) 427-4748 (FAX)
gcochrane@usgs.gov

Metadata standard:

FGDC Content Standards for Digital Geospatial Metadata ("CSDGM version 2") (FGDC-STD-001-1998)