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Federal Office of Metrology (METAS), Lindenweg 50, 3003 Bern-Wabern, Switzerland
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- PublicationRestrictedThe 8th International Comparison of Absolute Gravimeters 2009: the first Key Comparison (CCM.G-K1) in the field of absolute gravimetry(2012-10-05)
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ;Jiang, Z.; International Bureau of Weights and Measures (BIPM), S`evres, France ;Palinkas, V.; Research Institute of Geodesy, Topography and Cartography (VU´ GTK/RIGTC), Zdiby, Czech Republic ;Arias, F. E.; International Bureau of Weights and Measures (BIPM), S`evres, France ;Liard, J.; Natural Resources Canada (NRCan), Ottawa, ON, Canada ;Merlet, S.; LNE-SYRTE, Laboratoire National de M´etrologie et d’Essais–Syst`emes de R´ef´erence Temps-Espace, Observatoire de Paris, CNRS, UPMC, Paris, France ;Wilmes, H.; Bundesamt f¨ur Kartographie und Geod¨asie (BKG), Frankfurt/Main, Germany ;Vitushkin, L.; All-Russian D I Mendeleev Research Institute for Metrology (VNIIM), St Petersburg, Russia ;Robertsson, L.; International Bureau of Weights and Measures (BIPM), S`evres, France ;Tisserand, L.; International Bureau of Weights and Measures (BIPM), S`evres, France ;Pereira Dos Santos, F.; LNE-SYRTE, Laboratoire National de M´etrologie et d’Essais–Syst`emes de R´ef´erence Temps-Espace, Observatoire de Paris, CNRS, UPMC, Paris, France ;Bodart, Q.; LNE-SYRTE, Laboratoire National de M´etrologie et d’Essais–Syst`emes de R´ef´erence Temps-Espace, Observatoire de Paris, CNRS, UPMC, Paris, France ;Falk, R.; Bundesamt f¨ur Kartographie und Geod¨asie (BKG), Frankfurt/Main, Germany ;Baumann, H.; Federal Office of Metrology (METAS), Lindenweg 50, 3003 Bern-Wabern, Switzerland ;Mizushima, S.; National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology (NMIJ/AIST), Tsukuba, Japan ;Makinen, J.; Finnish Geodetic Institute (FGI), Masala, Finland ;Bilker-Koivula, M.; Finnish Geodetic Institute (FGI), Masala, Finland ;Lee, C.; Center for Measurement Standards, Industrial Technology Research Institute (CMS/ITRI), Hsinchu, Chinese Taipei ;Choi, I. M.; Korea Research Institute of Standards and Science (KRISS), Daejeon, Republic of Korea ;Karaboce, B.; Ulusal Metroloji Enstitu¨su¨ (UME/TU¨ BI˙TAK), Gebze Kocaeli, Turkey ;Ji, W.; National Institute of Metrology (NIM), Beijing, People’s Republic of China ;Wu, Q.; National Institute of Metrology (NIM), Beijing, People’s Republic of China ;Ruess, D.; Bundesamt f¨ur Eich- und Vermessungswesen (Federal Office of Metrology and Surveying) (BEV), Wien, Austria ;Ullrich, C.; Bundesamt f¨ur Eich- und Vermessungswesen (Federal Office of Metrology and Surveying) (BEV), Wien, Austria ;Kostelecky, J.; Research Institute of Geodesy, Topography and Cartography (VU´ GTK/RIGTC), Zdiby, Czech Republic ;Schmerge, D.; National Geodetic Survey (NOAA), Silver Spring, MD, USA ;Eckl, M.; National Geodetic Survey (NOAA), Silver Spring, MD, USA ;Timmen, L.; Institut f¨ur Erdmessung, Leibniz Universit¨at Hannover (IfE/LUH), Hannover, Germany ;Le Moigne, N.; G´eosciences Montpellier—UMR 5243, CNRS—Univ. Montpellier 2, Montpellier, France ;Bayer, R.; G´eosciences Montpellier—UMR 5243, CNRS—Univ. Montpellier 2, Montpellier, France ;Olszak, T.; Department of Geodesy and Geodetic Astronomy, Warsaw Univeristy of Technology (SGGA/WUT), Warsaw, Poland ;Agren, J.; Lantm¨ateriet (Swedish mapping, cadastre and registry authority), Geodetic Research Division (Lantm¨ateriet), Sweden ;Del Negro, C.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia ;Greco, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia ;Diament, M.; Universit´e Paris Diderot, Sorbonne Paris Cit´e, Institut de Physique du Globe de Paris, UMR 7154 CNRS, F-75013 Paris, France ;Deroussi, S.; Universit´e Paris Diderot, Sorbonne Paris Cit´e, Institut de Physique du Globe de Paris, UMR 7154 CNRS, F-75013 Paris, France ;Bonvalot, S.; Bureau Gravim´etrique International (BGI), Universit´e de Toulouse (UPS/CNRS/IRD/CNES), Toulouse, France ;Krynski, J.; Institute of Geodesy and Cartography, Geodesy and Geodynamics Department (IGC), Warsaw, Poland ;Sekowski, M.; Institute of Geodesy and Cartography, Geodesy and Geodynamics Department (IGC), Warsaw, Poland ;Hu, H.; Max Planck Institute for the Science of Light (MPL), Erlangen, Germany ;Wang, L. J.; Max Planck Institute for the Science of Light (MPL), Erlangen, Germany ;Svitlov, S.; Max Planck Institute for the Science of Light (MPL), Erlangen, Germany ;Germak, A.; National Institute of Metrological Research (INRiM), Torino, Italy ;Francis, O.; Faculty of Science, Technology and Communication, University of Luxembourg (UL), Luxembourg ;Becker, M.; Institute of Physical Geodesy, Technische Universit¨at Darmstadt (IPGD), Germany ;Inglis, D.; National Research Council of Canada (NRC), Ottawa, Ontario K1A 0R6, Canada ;Robinson, I.; National Physical Laboratory, Teddington, Middlesex (NPL), UK; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; The 8th International Comparison of Absolute Gravimeters (ICAG2009) took place at the headquarters of the International Bureau of Weights and Measures (BIPM) from September to October 2009. It was the first ICAG organized as a key comparison in the framework of the CIPM Mutual Recognition Arrangement of the International Committee for Weights and Measures (CIPM MRA) (CIPM 1999). ICAG2009 was composed of a Key Comparison (KC) as defined by the CIPM MRA, organized by the Consultative Committee for Mass and Related Quantities (CCM) and designated as CCM.G-K1. Participating gravimeters and their operators came from national metrology institutes (NMIs) or their designated institutes (DIs) as defined by the CIPM MRA. A Pilot Study (PS) was run in parallel in order to include gravimeters and their operators from other institutes which, while not signatories of the CIPM MRA, nevertheless play important roles in international gravimetry measurements. The aim of the CIPM MRA is to have international acceptance of the measurement capabilities of the participating institutes in various fields of metrology. The results of CCM.G-K1 thus constitute an accurate and consistent gravity reference traceable to the SI (International System of Units), which can be used as the global basis for geodetic, geophysical and metrological observations of gravity. The measurements performed afterwards by the KC participants can be referred to the international metrological reference, i.e. they are SI-traceable. The ICAG2009 was complemented by a number of associated measurements: the Relative Gravity Campaign (RGC2009), high-precision levelling and an accurate gravity survey in support of the BIPM watt balance project. The major measurements took place at the BIPM between July and October 2009. Altogether 24 institutes with 22 absolute gravimeters32 and nine relative gravimeters participated in the ICAG/RGC campaign. This paper is focused on the absolute gravity campaign. We review the history of the ICAGs and present the organization, data processing and the final results of the ICAG2009. After almost thirty years of hosting eight successive ICAGs, the CIPM decided to transfer the responsibility for piloting the future ICAGs to NMIs, although maintaining a supervisory role through its Consultative Committee for Mass and Related Quantities.362 27