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GMEG - Geophysics Unit of Menlo Park, CA- (GUMP)

 

Geophysics Unit of Menlo Park, CA (GUMP)

U.S. Geological Survey - Western Region - Geology and Geophysics

Gravity Base Stations of the World

World Relative Gravity Reference Network (WRGRN)

IGSN71 Gravity Datum

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  WRGRN BASES
(Jablonski, 1970-74)
REVISED OR ADDITIONAL BASES
Western U.S. (Index map and IGSN71 listing included. Some annotated.)
Alaska (31.9 Mb). Alaska (Saltus et al., 2008)
Arizona (12.3 Mb).       ---
California (6.7 Mb). California (0.6 Mb)
So. Calif. Network (Roberts and Jachens, 1986) (6.7 Mb)
Colorado (7.7 Mb).       ---
Idaho (1.7 Mb).       ---
Montana (13.7 Mb).       ---
Nevada (3.5 Mb). Nevada (1.6 Mb)
Southwest Nevada (Harris et al., 1988)   (8.7 Mb)
New Mexico (13.8 Mb).       ---
Oregon (4.2 Mb). Oregon (Morin, 2007) (0.6 Mb).
Utah (2.0 Mb).       ---
Washington (7.8 Mb).       ---
Wyoming (11.0 Mb).       ---
Central America (Index map and IGSN71 listing included. Some annotated.)
Costa Rica (1.7 Mb). Costa Rica (0.4 Mb).


ALL WRGRN BASES IN ORIGINAL ACIC# ORDER Note: Observed gravity values shown on the WRGRN base station sheets are on the National Net gravity datum. IGSN71 values are in a separate cross reference list that is provided.
Preface (6.5 Mb). IGSN71 Values (35.2 Mb).
Africa (56.3 Mb). Anarctica (10.5 Mb). Asia (53.7 Mb). Atlantic Ocean (2.5 Mb).
Australia (10.4 Mb). Canada (46.8 Mb). Central America (10.9 Mb). CONUS (191.5 Mb).
Europe (69.5 Mb). Mexico (32.3 Mb). Pacific Ocean (13.9 Mb). South America (60.1 Mb).
West Indies (13.9 Mb).


GRAVITY METER CALIBRATION LOOPS
Charleston Peak, Nevada Description (Ponce and Oliver, 1981) (2.7 Mb).
Mt Hamilton, California Eos article (Barnes et al, 1969) (1.5 Mb).
Description (1.4 Mb).

References:

Links:
National Geodetic Survey (NGS)
Gravity base stations from PACES (Pan-American Center for Earth and Environmental Studies)
Bureau Gravimetrique International(BGI)
USGS Geophysical Data Products


Compiled by the Geophysics Unit of Menlo Park (GUMP). For additional information contact:
David A. Ponce   MS 989
U.S. Geological Survey
345 Middlefield Rd.,
Menlo Park, CA 94025
ponce@usgs.gov
Daniel S Scheirer   MS 989
U.S. Geological Survey
345 Middlefield Rd.,
Menlo Park, CA 94025
dscheirer@usgs.gov

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