Results 161 to 170 of about 149,466 (196)

Flightmechanical Aspects of Airborne Gravimetry

1993
This paper describes some flightmechanical aspects for the use of different types of aircraft as a platform for airborne gravimetry. As atmospheric turbulence has the most disturbing influence on aircraft motion the characteristical turbulence and aircraft parameters are derived and their influence is discussed.
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Airborne Gravimetry Survey for the Marine Area of the United Arab Emirates [PDF]

Marine Geodesy, 2012
The Military Survey Department (MSD) of the United Arab Emirates (UAE) undertook an airborne gravity survey project for the marine area of the country in 2009, especially to strengthen the marine and coastal geoid in the near-shore regions.
Alshamsi, Adel, Gidskehaug, Arne, Forsberg, René, Kadir, Majid, Olesen, Arne Vestergaard, Ses, Sahrum, Peter, Benny   +6 more
exaly   +2 more sources

Airborne Gravimetry with Quantum Technology

In summer 2023 an airborne gravity survey was carried out utilizing the GIRAFE quantum gravimeter from ONERA and the iMAR classical strapdown gravimeter from DTU. The survey consisted of two parts: (1) In Iceland targeting the Vatnajökull ice cap and some active volcanoes, all expected to have some source of mass variation; (2) A regular ...
Tim Jensen, René Forsberg, Andreas Stokholm, Bjørnar Dale, Yannick Bidel, Nassim Zahzam, Alexandre Bresson, Alexis Bonnin   +7 more
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Some Unsolved Problems in Airborne Gravimetry

1995
Airborne gravimetry has the potential of resolving the high frequency end of the gravity spectrum with an overall accuracy of 1 mGal (10-5 ms-2). Wavelengths in the range between 1 km and 10 km will be of special interest to exploration geophysics, while the range between 3 km and 100 km will be important to geodesy.
K. P. Schwarz, M. Wei
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Horizontal acceleration corrections in airborne gravimetry

Geophysics, 1996
Abstract The stabilized platforms used in marine and airborne gravimeters behave like damped long-period pendulums. When subjected to horizontal accelerations they tilt, resulting in gravimeter reading errors. The amount of tilt depends on the ratio of the period of the horizontal motion to that of the platform and is negligible if ...
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Airborne Gravimetry from a Light Aircraft

1992
Over the past decade, as airborne gravity data acquisition and reduction has become increasingly refined, its usage by academic, industrial and government researchers has expanded. Recent data collected jrom a Cessna 404 over water and a ski-equipped Twin Otter over a grounded ice sheet, have demonstrated that airborne gravity can recover anomalies ...
R. E. Bell, B. J. Coakley, D. D. Blankenship, S. M. Hodge, J. M. Brozena   +4 more
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Estimability in Strapdown Airborne Vector Gravimetry

2015
Estimability was introduced as a measure of how much observations can contribute to the estimation process for a linear system. Several publications analyse the estimabilities for integrated navigation systems, comprising a strapdown inertial measurement unit (IMU) and observations from global navigation satellite systems (GNSS).
David Becker, Matthias Becker, Stefan Leinen, Yingwei Zhao   +3 more
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Terrain Corrections for Airborne Gravimetry and Gradiometry

EGM 2010 International Workshop, 2010
Although the theory involved is well-understood, practical real-world computation of terrain corrections for airborne gravimetry and gradiometry (AGG) surveys poses challenges in several areas, which affect not only the processing of the data, but also the survey operation itself.
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Topograhic Corrections For Gradients In Airborne Gravimetry

Geophysics, 1976
Abstract Progress in airborne gradiometer instrumentation has advanced to the point that procedures for determining corrections for the variable effects of topography merit consideration. An approximate practical method, based on real–time recording of flight elevation and variable terrain clearance as a function of position along the
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On the Use of UAVs for Strapdown Airborne Gravimetry

2011
Airborne gravimetry is a cost-effective technique to complement the gravity field information from satellite missions such as GRACE and, in the near future, GOCE. Measurements can be collected over regional areas in a relatively short time. Moreover, it is an especially useful method in remote areas and coastal water zones where terrestrial and ship ...
Richard Deurloo, Luisa Bastos, Machiel Bos   +2 more
openaire   +1 more source