Gravity for the Redefinition of the American Vertical
Datum (GRAV-D) Project, Airborne Gravity Data

Block PN01

Block Description:

GRAV-D Block PN01 is located in the Pacific Time Zone, in the North half (south of 40° latitude). This was the first (01) block of data completed in the Pacific North region. Block PN01 covers coastal areas of California and Oregon as well as ocean areas from 50 to 180 km offshore.

   Block Extent                 Data Lines

Download:

• Newest products for this Block (zip)
  NGS released BETA #2 version the data and supplementary files on April 17th, 2013.
  Zip file contains: ReadMe text file, gravity data file, supplementary data file, block data user manual, xml metadata, kml block extent, and kml block data lines.
  
  The General Airborne Gravity User Manual is available for download on the main data page.


• Images of gravity data for this Block
  Map of Free-Air Gravity Disturbance using Equal Interval (top) and Quantile (bottom) classification
     


• Archive of all product versions for this Block
  Version BETA #1, released April 17th, 2013, is available here.

How to Cite These Data:

The following citations should be used in all presentations or publications that reference the GRAV-D work. Please replace the DATE tag in the following references with the date you downloaded the data or reports from the NGS website.

To reference the PN01 data file, reference the webpage:
GRAV-D Team (2012). "Gravity for the Redefinition of the American Vertical Datum (GRAV-D) Project, Airborne Gravity Data; Block PN01". Available DATE. Online at: http://www.ngs.noaa.gov/GRAV-D/data_PN01.shtml

To reference the block and survey details, reference the block user manual:
GRAV-D Team (2012). "Block PN01 (Pacific North 01); GRAV-D Airborne Gravity Data User Manual." Monica A. Youngman and Carly A. Weil, ed. Version 1. Available DATE. Online at: http://www.ngs.noaa.gov/GRAV-D/data_PN01.shtml

To reference the general GRAV-D project operations, reference the General User Manual:
GRAV-D Team (2011). "GRAV-D General Airborne Gravity Data User Manual." Theresa Damiani, ed. Version 1. Available DATE. Online at: http://www.ngs.noaa.gov/GRAV-D/data_PN01.shtml

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