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2. Results of the Seventh International Comparison of Absolute Gravimeters ICAG-2005 at the Bureau International des Poids et Mesures, Sèvres

Author

Vitushkin, L., Jiang, Z., Robertsson, L., Becker, M., Francis, O., Germak, A., D’Agostino, G., Palinkas, V., Amalvict, M., Bayer, R., Bilker-Koivula, M., Desogus, S., Faller, J., Falk, R., Hinderer, J., Gagnon, C., Jakob, T., Kalish, E., Kostelecky, J., Lee, Chiungwu, Liard, J., Lokshyn, Y., Luck, B., Mäkinen, J., Mizushima, S., Le Moigne, N., Nalivaev, V., Origlia, C., Pujol, E. R., Richard, P., Ruess, D., Schmerge, D., Stus, Y., Svitlov, S., Thies, S., Ullrich, C., Van Camp, M., Vitushkin, A., Wilmes, H., and Mertikas, Stelios P., editor

Published
2010
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3. Results of the European Comparison of Absolute Gravimeters in Walferdange (Luxembourg) of November 2007

Author

Francis, O., van Dam, T., Germak, A., Amalvict, M., Bayer, R., Bilker-Koivula, M., Calvo, M., D’Agostino, G.-C., Dell’Acqua, T., Engfeldt, A., Faccia, R., Falk, R., Gitlein, O., Fernandez, M., Gjevestad, J., Hinderer, J., Jones, D., Kostelecky, J., Le Moigne, N., Luck, B., Mäkinen, J., Mclaughlin, D., Olszak, T., Olsson, P., Pachuta, A., Palinkas, V., Pettersen, B., Pujol, R., Prutkin, I., Quagliotti, D., Reudink, R., Rothleitner, C., Ruess, D., Shen, C., Smith, V., Svitlov, S., Timmen, L., Ulrich, C., Van Camp, M., Walo, J., Wang, L., Wilmes, H., Xing, L., and Mertikas, Stelios P., editor

Published
2010
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4. Results of the International Comparison of Absolute Gravimeters in Walferdange (Luxembourg) of November 2003

Author

Francis, Olivier, van Dam, Tonie, Amalvict, M., de Andrade Sousa, M., Bilker, M., Billson, R., D’Agostino, G., Desogus, S., Falk, R., Germak, A., Gitlein, O., Jonhson, D., Klopping, F., Kostelecky, J., Luck, B., Mäkinen, J., McLaughlin, D., Nunez, E., Origlia, C., Palinkas, V., Richard, P., Rodriguez, E., Ruess, D., Schmerge, D., Thies, S., Timmen, L., Van Camp, M., van Westrum, D., Wilmes, H., Sansò, Fernando, editor, Jekeli, Christopher, editor, Bastos, Luisa, editor, and Fernandes, Joana, editor

Published
2005
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9. Final report of EURAMET.M.G-K3: regional comparison of absolute gravimeters

Author

Coskun, I., Falk, R., Palinkas, V., Wziontek, H., Rulke, A., Val'Ko, M., Ullrich, C., Butta, H., Kostelecky, J., Bilker-Koivula, M., Naranen, J., Prato, A., Mazzoleni, F., Kirbas, C., Coskun, Van Camp, M., Castelein, S., Bernard, J. D., Lothhammer, A., Schilling, M., Timmen, L., Iacovone, D., Nettis, G., Greco, F., Messina, A. A., Reudink, R., Petrini, M., Dykowski, P., Sekowski, M., Janak, J., Papco, J., Engfeldt, A., and Steffen, H.

Subjects
010309 optics, Gravimeter, Data harmonization, 0103 physical sciences, General Engineering, Constrained least squares, Geodetic datum, 010306 general physics, Geodesy, Mutual recognition, 01 natural sciences, Equivalence (measure theory), Mathematics
Abstract

The regional key comparison of absolute gravimeters, EURAMET.M.G-K3 and the simultaneously organized additional comparison, was held in Germany at the Geodetic Observatory Wettzell of the German Federal Agency for Cartography and Geodesy in the spring of 2018. Here we present the list of the participants who actually performed measurements during the comparison, the data submitted by the operators as well as the results of the determination of the gravity as a function of height at the comparison sites. The measurement strategy is briefly discussed and the results of the data harmonization is documented. Finally, the results of the constrained least squares adjustment are presented including the degrees of equivalence of each gravimeter and the key comparison reference values. Main text To reach the main text of this paper, click on Final Report. Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/. The final report has been peer-reviewed and approved for publication by the CCM, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).

Published
2020

10. Results of the European Comparison of Absolute Gravimeters in Walferdange (Luxembourg) of November 2007

Author

Francis, O., primary, van Dam, T., additional, Germak, A., additional, Amalvict, M., additional, Bayer, R., additional, Bilker-Koivula, M., additional, Calvo, M., additional, D’Agostino, G.-C., additional, Dell’Acqua, T., additional, Engfeldt, A., additional, Faccia, R., additional, Falk, R., additional, Gitlein, O., additional, Fernandez, M., additional, Gjevestad, J., additional, Hinderer, J., additional, Jones, D., additional, Kostelecky, J., additional, Le Moigne, N., additional, Luck, B., additional, Mäkinen, J., additional, Mclaughlin, D., additional, Olszak, T., additional, Olsson, P., additional, Pachuta, A., additional, Palinkas, V., additional, Pettersen, B., additional, Pujol, R., additional, Prutkin, I., additional, Quagliotti, D., additional, Reudink, R., additional, Rothleitner, C., additional, Ruess, D., additional, Shen, C., additional, Smith, V., additional, Svitlov, S., additional, Timmen, L., additional, Ulrich, C., additional, Van Camp, M., additional, Walo, J., additional, Wang, L., additional, Wilmes, H., additional, and Xing, L., additional

Published
2010
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11. Results of the Seventh International Comparison of Absolute Gravimeters ICAG-2005 at the Bureau International des Poids et Mesures, Sèvres

Author

Vitushkin, L., primary, Jiang, Z., additional, Robertsson, L., additional, Becker, M., additional, Francis, O., additional, Germak, A., additional, D’Agostino, G., additional, Palinkas, V., additional, Amalvict, M., additional, Bayer, R., additional, Bilker-Koivula, M., additional, Desogus, S., additional, Faller, J., additional, Falk, R., additional, Hinderer, J., additional, Gagnon, C., additional, Jakob, T., additional, Kalish, E., additional, Kostelecky, J., additional, Lee, Chiungwu, additional, Liard, J., additional, Lokshyn, Y., additional, Luck, B., additional, Mäkinen, J., additional, Mizushima, S., additional, Le Moigne, N., additional, Nalivaev, V., additional, Origlia, C., additional, Pujol, E. R., additional, Richard, P., additional, Ruess, D., additional, Schmerge, D., additional, Stus, Y., additional, Svitlov, S., additional, Thies, S., additional, Ullrich, C., additional, Van Camp, M., additional, Vitushkin, A., additional, and Wilmes, H., additional

Published
2010
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13. International GPS Service : 2001-2002 technical reports

Author

Feltens, J, Ray, J, Tregoning, P, Simek, J, Kostelecky, J, Woppelmann, G, Khoda, O, Garcia, C, Wonnakott, R, Schone, T, Slater, J, Boomkamp, H, Gendt, G, Sherwood, R, Beavan, J, Stowers, D, Moore, A, Combrinck, L, Habrich, H, Bock, Y, Gaulue, E, Noll, C, Drewes, H, Seemueller, W, Yamagiwa, A, Luton, G, Bruyninx, C, Hering, T, Nurutdinov, K, Rohde, J, Fang, P, Tetreault, P, Kass, W, Heflin, M, Dow, J. M, Hugentobler, U, Altamimi, Z, Ferland, R, Weber, R, Neilan, R, and Reigber, C

Abstract

Applications of the Global Positioning System (GPS) to Earth Science are numerous. The International GPS Service (IGS), a federation of government agencies and universities, plays an increasingly critical role in support of GPS-related research and engineering activities. Contributions from the IGS Governing Board and Central Bureau, analysis and data centers, station operators, and others constitute the 2001 / 2002 Technical Reports.

Published
2004

15. Mapping of the Earth's Field of Gravity with GOCE

Author

Klokocnik, J., Kostelecky, J., Novak, P., Bezdek, A., Gruber, C., Sebera, J., 1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy and Remote Sensing, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, and Earth Observing Satellites -2009, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum

Subjects
550 - Earth sciences
Published
2009

17. Tentative calibration of EIGEN-2 using satellite crossover altimetry data

Author

Förste, C., Klokocnik, J., Kostelecky, J., Wagner, C., 1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy and Remote Sensing, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, and Gravity Field and Gravimetry -2009, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum

Subjects
550 - Earth sciences
Published
2003

18. Final report on the Seventh International Comparison of Absolute Gravimeters (ICAG 2005)

Author

Jiang, Z., Francis, Olivier, Vitushkin, L., Palinkas, V., Germak, A., Becker, M., D'Agostino, G.-C., Amalvict, Martine, Bayer, R., Bilker-Koivula, M., Desogus, S., Faller, J., Falk, Reinhard, Hinderer, J., Gagnon, C. G. L., Jakob, T., Kalish, E., Kostelecky, J., Lee, Chiungwu, Liard, J., Lokshyn, Y., Luck, B., Mäkinen, J., Mizushima, S., Le Moigne, N., Origlia, C., Pujol, E. R., Richard, P., Robertsson, L., Ruess, D., Schmerge, D., Stus, Y., Svitlov, S., Thies, S., Ullrich, C., Van Camp, Michel, Vitushkin, A., Ji, W., Wilmes, Herbert, Jiang, Z., Francis, Olivier, Vitushkin, L., Palinkas, V., Germak, A., Becker, M., D'Agostino, G.-C., Amalvict, Martine, Bayer, R., Bilker-Koivula, M., Desogus, S., Faller, J., Falk, Reinhard, Hinderer, J., Gagnon, C. G. L., Jakob, T., Kalish, E., Kostelecky, J., Lee, Chiungwu, Liard, J., Lokshyn, Y., Luck, B., Mäkinen, J., Mizushima, S., Le Moigne, N., Origlia, C., Pujol, E. R., Richard, P., Robertsson, L., Ruess, D., Schmerge, D., Stus, Y., Svitlov, S., Thies, S., Ullrich, C., Van Camp, Michel, Vitushkin, A., Ji, W., and Wilmes, Herbert

Published
2011
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19. Results of the European Comparison of Absolute Gravimeters in Walferdange (Luxembourg) of November 2007

Author

Francis, Olivier, van Dam, Tonie, Germak, A., Amalvict, Martine, Bayer, R., Bilker-Koivula, M., Calvo, M., D'Agostino, G.-C., Dell'Acqua, T., Engfeldt, A., Faccia, R., Falk, Reinhard, Gitlein, O., Fernandez, M., Gjevestad, J., Hinderer, J., Jones, D., Kostelecky, J., Le Moigne, N., Luck, B., Mäkinen, J., McLaughlin, D., Olszak, T., Olsson, P., Pachuta, A., Palinkas, V., Pettersen, B., Pujol, R., Prutkin, I., Quagliotti, D., Reudink, R., Rothleitner, Christian, Ruess, D., Shen, C., Smith, V., Svitlov, S., Timmen, L., Ulrich, C., Van Camp, M., Walo, J., Wang, L., Wilmes, Herbert, Xing, L., Francis, Olivier, van Dam, Tonie, Germak, A., Amalvict, Martine, Bayer, R., Bilker-Koivula, M., Calvo, M., D'Agostino, G.-C., Dell'Acqua, T., Engfeldt, A., Faccia, R., Falk, Reinhard, Gitlein, O., Fernandez, M., Gjevestad, J., Hinderer, J., Jones, D., Kostelecky, J., Le Moigne, N., Luck, B., Mäkinen, J., McLaughlin, D., Olszak, T., Olsson, P., Pachuta, A., Palinkas, V., Pettersen, B., Pujol, R., Prutkin, I., Quagliotti, D., Reudink, R., Rothleitner, Christian, Ruess, D., Shen, C., Smith, V., Svitlov, S., Timmen, L., Ulrich, C., Van Camp, M., Walo, J., Wang, L., Wilmes, Herbert, and Xing, L.

Abstract

The second international comparison of absolute gravimeters was held in Walferdange, Grand Duchy of Luxembourg, in November 2007, in which twenty absolute gravimeters took part. A short description of the data processing and adjustments will be presented here and will be followed by the presentation of the results. Two different methods were applied to estimate the relative offsets between the gravimeters. We show that the results are equivalent as the uncertainties of both adjustments overlap. The absolute gravity meters agree with one another with a standard deviation of 2 μgal (1 gal = 1 cm/s2).

Published
2010

20. Relative Gravity Measurement Campaign during the 7th International Comparison of Absolute Gravimeters (2005)

Author

Jiang, Z., Becker, Matthias, Francis, Olivier, Germak, A., Palinkas, V., Jousset, P., Kostelecky, J., Dupont, F., Lee, C. W., Tsai, C. L., Falk, R., Wilmes, H., Kopaev, A., Ruess, D., Ullrich, M. C., Meurers, B., Mrlina, J., Deroussi, S., Métivier, L., Pajot, G., Santos, F. Pereira Dos, Ruymbeke, M. Van, Naslin, S., Ferry, M., Jiang, Z., Becker, Matthias, Francis, Olivier, Germak, A., Palinkas, V., Jousset, P., Kostelecky, J., Dupont, F., Lee, C. W., Tsai, C. L., Falk, R., Wilmes, H., Kopaev, A., Ruess, D., Ullrich, M. C., Meurers, B., Mrlina, J., Deroussi, S., Métivier, L., Pajot, G., Santos, F. Pereira Dos, Ruymbeke, M. Van, Naslin, S., and Ferry, M.

Abstract

Since the 1st International Comparison of Absolute Gravimeters (ICAG) and accompanying Relative Gravity Campaign (RGC) held at the BIPM in 1981, repeated ICAG-RGCs have been organized every four years. A total of 19 absolute gravimeters (AG) and 15 relative gravimeters (RG) participated in the 7th ICAG-RGC, which took place in 2005. Co-located absolute and relative gravity measurements as well as precision levelling measurements were carried out. The final version of the absolute g values of the 7th ICAG has been officially released recently. This paper is the final report of the 7th RGC and replaces the preliminary results published earlier. It covers the organization of the RGC and the data processing, analyses RG behaviour, computes g , δ g and O AG (offset of AG) and discusses their uncertainties. In preparation for the BIPM key comparison ICAG-2009, a standard data-processing procedure has been developed and installed in the BIPM ICAG-RGC software package, GraviSoft. This was used for the final data processing.

Published
2009
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21. Absolute Gravity Measurements at LNE

Author

Merlet, Sébastien, Francis, Olivier, Palinkas, Vjotech, Kostelecky, J., Le Moigne, Nicolas, Jacobs, Thomas, Genevès, G., Merlet, Sébastien, Francis, Olivier, Palinkas, Vjotech, Kostelecky, J., Le Moigne, Nicolas, Jacobs, Thomas, and Genevès, G.

Published
2008

22. Final report on the Seventh International Comparison of Absolute Gravimeters (ICAG 2005)*

Author

Jiang, Z, primary, Francis, O, additional, Vitushkin, L, additional, Palinkas, V, additional, Germak, A, additional, Becker, M, additional, D'Agostino, G, additional, Amalvict, M, additional, Bayer, R, additional, Bilker-Koivula, M, additional, Desogus, S, additional, Faller, J, additional, Falk, R, additional, Hinderer, J, additional, Gagnon, C, additional, Jakob, T, additional, Kalish, E, additional, Kostelecky, J, additional, Lee, Chiungwu, additional, Liard, J, additional, Lokshyn, Y, additional, Luck, B, additional, Mäkinen, J, additional, Mizushima, S, additional, Le Moigne, N, additional, Origlia, C, additional, Pujol, E R, additional, Richard, P, additional, Robertsson, L, additional, Ruess, D, additional, Schmerge, D, additional, Stus, Y, additional, Svitlov, S, additional, Thies, S, additional, Ullrich, C, additional, Van Camp, M, additional, Vitushkin, A, additional, Ji, W, additional, and Wilmes, H, additional

Published
2011
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23. Relative Gravity Measurement Campaign during the 7th International Comparison of Absolute Gravimeters (2005)

Author

Jiang, Z, primary, Becker, M, additional, Francis, O, additional, Germak, A, additional, Palinkas, V, additional, Jousset, P, additional, Kostelecky, J, additional, Dupont, F, additional, Lee, C W, additional, Tsai, C L, additional, Falk, R, additional, Wilmes, H, additional, Kopaev, A, additional, Ruess, D, additional, Ullrich, M C, additional, Meurers, B, additional, Mrlina, J, additional, Deroussi, S, additional, Métivier, L, additional, Pajot, G, additional, Santos, F Pereira Dos, additional, van Ruymbeke, M, additional, Naslin, S, additional, and Ferry, M, additional

Published
2009
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36. Planarians in toxicology. I. Physiology of sexual-only Dugesia dorotocephala: effects of diet and population density on adult weight and cocoon production.

Author

Kostelecky J, Elliott B, and Schaeffer DJ

Subjects
Animals, Body Weight physiology, Data Interpretation, Statistical, Diet, Planarians growth & development, Population Density, Reproduction physiology, Planarians physiology, Turbellaria physiology
Abstract

A rare sexual-only race of Dugesia dorotocephala produces offspring from cocoons rather than by fissioning, allowing individuals to be accurately aged. Because each animal possesses fully developed male and female reproductive systems and a true brain with synapses, many types of toxicological studies which normally use vertebrates are possible with these animals. Prior to using this race for toxicological studies, a 3(3) factorial study was carried out to determine the effects of environmental conditions on reproduction and growth. The factors studied were crowding (2, 4, or 8 animals/50 ml medium), age (17, 19, 21 months), and type of dietary protein (soy, liver, cooked egg yolk). Protein composition dramatically affected the numbers of cocoons deposited per planarian, mean weight, and temporal patterns of weight changes. During 65 days of observation, planarians fed liver deposited an average of 3.28 cocoons/planarian while those fed soya or egg yolk deposited an average of 0.24 cocoon/planarian. Crowding, but not age, affected the numbers of cocoons deposited. Statistical analysis showed that protein composition, age, and crowding, alone and in factorial combinations, affected both the absolute weight changes and the temporal patterns in weight changes in each group.

Published
1989
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