Airborne Gravimetry at the U.S. Naval Research Lab€¦ · PowerPoint Presentation Author: Bobbi...
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Airborne Gravimetry at the U.S. Naval Research Lab 1980-Present Mary Flather Peters
Transcript of Airborne Gravimetry at the U.S. Naval Research Lab€¦ · PowerPoint Presentation Author: Bobbi...
Airborne Gravimetry at the U.S. Naval Research Lab
1980-Present
Mary Flather Peters
1979 Preliminary Design of System
Jun-80 First test of Early Prototype off Carolina Coast Loran C Nav RMS ~ 20 mGal 8 Flights
Jun-81 Incorporation of GPS Nav and test off Wallops Island, VA RMS < 6 mGal 2 Flights
Dec-83 Piggy Back Gravity on Airborne Magnetics Study East of Brazil 12 Flights, no ground truth
Apr-84
Blind Test over Eastern NC for DMA Incorporation of Pressure Altimetry RMS 2.5 mGal 4 Flights
May-84 Piggy Back Gravity on Airborne Study of the Angola Basin 15 Flights, Data not reduced
Feb-86 NSF Funded Study of the Antarctic Margin, Airborne Gravity over Ice
12 Flights, no ground truth
Jun-86 Eastern Seaboard Test for NSWC RMS Difference with NSWC Shipboard Data < 4 mGal 6 Flights
Feb-87 NSF Study of Antarctic Margin Average Mis-tie 2.2 mGal 10 Flights
Sep-87 NSWC Inteferometric GPS Test 6 Flights
Oct-87 NSF Study of Antarctic Margin 9 Flights
1988-1989 Gravimeter, Altimeter and Computer upgrades
Nov-89 NSWC/ NRL Interferometric GPS/INS tests 6 Flights
Early History of NRL Airborne Program – Pre Kinematic GPS
Norwegian-Greenland Sea and Eurasia Basin Aeromag Profiles (1973-76)
Canada and Eurasia Basin Aeromag Profiles (1972-83)
P3-B (heavy) -154589 in Spitsbergen -1999
P3-A -149674, NRL Flt Sup. Det. 2nd P-3
Antarctic Geophysical Surveys
Airborne Gravity, Magnetics and Surface Topo – P3, L&R − * 1985 – Rio Grande, Argentina – Weddell Sea (East of Ant
Peninsula) − * 1986 – Punta Arenas, Chile – Weddell Sea (East of Ant Peninsula) − * 1987 – Punta Arenas, Chile – Bellingshausen Sea (West of Ant
Peninsula)
Airborne Gravity, Topo Lidar, Ice Thickness Radar, Magnetics – Twin Otter, BGM
⁻ * 1991-1992 Central West Antarctic
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NSF Study of Antarctic Margin Average Mis-tie 2.2 mGal
Kinematic GPS Era
Greenland Aerogeophysics Project 1991, 1992
Greenland Gravity
Canada and Eurasia Basin Aerograv/mag Tracks (1992-99)
Arctic Aerograv
Rampant Lion Project Afghanistan 2006, 2008
Rampant Lion Project Afghanistan 2006, 2008
Rampant Lion Project Afghanistan 2006, 2008
