Shaded relief images of the Monterey Bay National Marine Sanctuary,California

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?

Title:

Shaded relief images of the Monterey Bay National Marine Sanctuary,California

Abstract:

Shaded relief images at several scales and resolutions in TIFF format have been generated from elevation grids (<http://geopubs.wr.usgs.gov/open-file/of01-179>) of the Monterey Bay National Marine Sanctuary.

This is one of a collection of digital files of a geographic information system of spatially referenced data related to the USGS Coastal and Marine Geology Program "Monterey Bay National Marine Sanctuary Project" <http://walrus.wr.usgs.gov/mbms>. The data were collected and analyzed between 1994 and 2000.

1. How should this data set be cited?

   Wong, Florence L. , 2001, Shaded relief images of the Monterey Bay National Marine Sanctuary,California:.

   Online Links:

   • <http://geopubs.wr.usgs.gov/open-file/of01-179>

   This is part of the following larger work.

   Wong, F.L., and Eittreim, S.E., 2001, Continental Shelf GIS for the Monterey Bay National Marine Sanctuary: U.S. Geological Survey Open-File Report 01-179, U.S. Geological Survey, Menlo Park, CA.

   Online Links:

   • <http://geopubs.wr.usgs.gov/open-file/of01-179/>

2. What geographic area does the data set cover?

   West_Bounding_Coordinate: -123.5304282

   East_Bounding_Coordinate: -120.93105186

   North_Bounding_Coordinate: 38.02926987

   South_Bounding_Coordinate: 35.47100159

3. What does it look like?

   <http://geopubs.wr.usgs.gov/open-file/of01-179/images/shdccal.gif> (GIF)

   shaded relief image of MBNMS

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

   Calendar_Date: 1998

   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 Raster data set. It contains the following raster data types:

      • Dimensions 1837 x 1486, type Pixel

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

      Grid_Coordinate_System_Name: Universal Transverse Mercator

      Universal_Transverse_Mercator:

      UTM_Zone_Number: 10

      Transverse_Mercator:

      Scale_Factor_at_Central_Meridian: 0.9996

      Longitude_of_Central_Meridian: -123.00000

      Latitude_of_Projection_Origin: 0.00000

      False_Easting: 500000.00

      False_Northing: 0.00

      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 153.5527088818
      Ordinates (y-coordinates) are specified to the nearest 153.5527088818
      Planar coordinates are specified in meters

      The horizontal datum used is nad83.
      The ellipsoid used is GRS1980.
      The semi-major axis of the ellipsoid used is 6378137.0.
      The flattening of the ellipsoid used is 1/298.257.
      

7. How does the data set describe geographic features?

   Entity_and_Attribute_Overview:

   The geographic extent of each image (in degrees) is

   
      GRID            XMIN      YMIN        XMAX     YMAX
   BATTOPSD.TIF:  -122.45742, 36.16417, -121.66685, 37.16997
   CCALSHD.TIF:   -123.53043, 35.47100, -120.93105, 38.02927
   MNT95NSD.TIF:  -121.93783, 36.69220, -121.81536, 36.77865
   MNT95SSD.TIF:  -121.99783, 36.60334, -121.81533, 36.69667
   MTCANSD.TIF:   -122.03176, 36.74115, -121.78947, 36.88549
   MTSHLFSD.TIF:  -122.03229, 36.56534, -121.87569, 36.75134
   SGFSD.TIF:     -122.03259, 36.36070, -121.91377, 36.57095
   SURSD.TIF:     -122.08845, 36.21525, -121.91450, 36.37142
   
   

   The geographic extent, columns and rows (samples and lines), and pixel size of each image (in UTM Zone 10 meters) is

   
      GRID        XMIN     YMIN    XMAX     YMAX   NCOLS NROWS PIXEL
   BATTOPSD.TIF  548796  4002959  618366  4113869  2319   3697  30
   CCALSHD.TIF   453448  3927119  681627  4209195  1486   1837 153
   MNT95NSD.TIF  594887  4061379  605712  4070844  2165   1893   5
   MNT95SSD.TIF  589629  4051522  605829  4061692  3240   2034   5
   MTCANSD.TIF   586439  4066838  607874  4082608  4287   3154   5
   MTSHLFSD.TIF  586589  4047241  600364  4067726  2755   4097   5
   SGFSD.TIF     586791  4024501  597191  4047716  2080   4643   5
   SURSD.TIF     581931  4008367  597376  4025532  3089   3433   5
   
   

   The shaded relief images have the following attributes:

   
   Image Format :              TIFF
   Image Type :           GRAYSCALE
   Image Colormap :           FALSE
   Image Compressed :         FALSE
   Image Rotated :            FALSE
   Image Depth =                  8
   Image Bands =                  1
   
   

   Entity_and_Attribute_Detail_Citation: none

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

2. Who also contributed to the data set?

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

   Florence L. Wong
   United States Geological Survey (USGS)
   Geologist, GIS Coordinator
   USGS, MailStop 999, 345 Middlefield Road
   Menlo Park, CA 94025-3561
   USA
   

   (650) 329-5327 (voice)
   (650) 329-5190 (FAX)
   fwong@usgs.gov
   

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 about the shallower areas of the Monterey Bay National Marine Sanctuary.

1. From what previous works were the data drawn?

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

   Date: 1998 (process 1 of 2)

   Bathymetric grids were converted with ArcInfo hillshading tools to shaded relief grids, which were in turn converted to TIFF images.

   Date: 22-May-2001 (process 2 of 2)

   First draft of metadata created by F.L. Wong using a modified version of FGDCMETA.AML on ARC/INFO data set CCALSHD

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

1. How well have the observations been checked?

   Not available.

2. How accurate are the geographic locations?

   Not available.

3. How accurate are the heights or depths?

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

   Complete.

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

   Not applicable for raster data.

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

Access_Constraints:

None

Use_Constraints:

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.

This information is not intended for navigational purposes.

Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

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

   United States Geological Survey (USGS)
   c/o Florence L. Wong
   Geologist, GIS Coordinator
   USGS, MailStop 999, 345 Middlefield Road
   Menlo Park, CA 94025-3561
   USA
   

   (650) 329-5327 (voice)
   (650) 329-5190 (FAX)
   fwong@usgs.gov
   

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

   USGS Open-File Report 01-179

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.

   Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

   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?
   • Availability in digital form:

     Data format:	shaded relief TIFF images in format ArcInfo (version 8.0.2) Size: 65 megabytes
     Network links:	<http://geopubs.wr.usgs.gov/open-file/of01-179/>

   • Cost to order the data: none

Dates:

Last modified: 22-May-2001
Last Reviewed: May-2001

Metadata author:

United States Geological Survey (USGS)
c/o Florence L. Wong
Geologist, GIS Coordinator
USGS, MailStop 999, 345 Middlefield Road
Menlo Park, CA 94025-3561
USA

(650) 329-5327 (voice)
(650) 329-5190 (FAX)
fwong@usgs.gov

Metadata standard:

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