Search Results - "Timmen, Ludger"

Towards an integrated global geodetic reference frame: preface to the special issue on reference systems in physical geodesy by Sánchez, Laura, Wziontek, Hartmut, Wang, Yan Ming, Vergos, George, Timmen, Ludger

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A transportable quantum gravimeter employing delta-kick collimated Bose–Einstein condensates by Heine, Nina, Matthias, Jonas, Sahelgozin, Maral, Herr, Waldemar, Abend, Sven, Timmen, Ludger, Müller, Jürgen, Rasel, Ernst Maria

“…Gravimetry with low uncertainty and long-term stability opens up new fields of research in geodesy, especially in hydrology and volcanology. The main…”
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Absolute gravity observations in Estonia from 1995 to 2017 by Oja, Tõnis, Mäkinen, Jaakko, Bilker-Koivula, Mirjam, Timmen, Ludger

“…The establishment of a national gravity standard based on international metrological standards is a high priority for the Estonian geodetic, geophysical, and…”
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Geodetic-Gravimetric Monitoring of Mountain Uplift and Hydrological Variations at Zugspitze and Wank Mountains (Bavarian Alps, Germany) by Timmen, Ludger, Gerlach, Christian, Rehm, Till, Völksen, Christof, Voigt, Christian

“…In 2004, first absolute gravity (AG) measurements were performed on the top of Mt. Zugspitze (2 sites) and at the foot (1 site) and top (1 site) of Mt. Wank…”
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Calibration of a superconducting gravimeter with an absolute atom gravimeter by Merlet, Sébastien, Gillot, Pierre, Cheng, Bing, Karcher, Romain, Imanaliev, Almazbek, Timmen, Ludger, Pereira dos Santos, Franck

“…We present a 27-day-long common view measurement of an absolute cold atom gravimeter (CAG) and a relative iGrav superconducting gravimeter, which we use to…”
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Geodetic methods to determine the relativistic redshift at the level of 10-18 in the context of international timescales: a review and practical results by Denker, Heiner, Timmen, Ludger, Voigt, Christian, Weyers, Stefan, Peik, Ekkehard, Margolis, Helen S., Delva, Pacôme, Wolf, Peter, Petit, Gérard

“…The frequency stability and uncertainty of the latest generation of optical atomic clocks is now approaching the one part in 10 18 level. Comparisons between…”
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Present rate of uplift in Fennoscandia from GRACE and absolute gravimetry by Steffen, Holger, Gitlein, Olga, Denker, Heiner, Müller, Jürgen, Timmen, Ludger

“…Fennoscandia is a key region for studying effects of glacial isostatic adjustment. The associated mass variations can be detected by the Gravity Recovery and…”
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High precision measurements of Absolute Gravity in México: the Jalisco Block changes in gravity triggered by distant earthquakes by Esparza, Alfredo, Arzate, Jorge, Timmen, Ludger, Silliker, Jason, Schilling, Manuel

“…En este trabajo se reportan los resultados de 16 mediciones de gravedad absoluta (GA) utilizando dos gravímetros de caída libre, el FG5X-220 de la Universidad…”
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THE CAPACITY OF THE SCINTREX AUTOGRAV CG-3M NO. 4492 GRAVIMETER FOR "ABSOLUTE-SCALE" SURVEYS by Ludger Timmen, Olga Gitlein

“…In autumn 2001, the Institut für Erdmessung (IfE), received the new Scintrex Autograv CG-3M spring gravimeter no. 4492 (SC-4492). Compared with…”
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Geodesy and metrology with a transportable optical clock by Grotti, Jacopo, Koller, Silvio, Vogt, Stefan, Häfner, Sebastian, Sterr, Uwe, Lisdat, Christian, Denker, Heiner, Voigt, Christian, Timmen, Ludger, Rolland, Antoine, Baynes, Fred N., Margolis, Helen S., Zampaolo, Michel, Thoumany, Pierre, Pizzocaro, Marco, Rauf, Benjamin, Bregolin, Filippo, Tampellini, Anna, Barbieri, Piero, Zucco, Massimo, Costanzo, Giovanni A., Clivati, Cecilia, Levi, Filippo, Calonico, Davide

“…Optical atomic clocks, due to their unprecedented stability 1 – 3 and uncertainty 3 – 6 , are already being used to test physical theories 7 , 8 and herald a…”
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Postglacial gravity change in Fennoscandia—three decades of repeated absolute gravity observations by Olsson, Per-Anders, Breili, Kristian, Ophaug, Vegard, Steffen, Holger, Bilker-Koivula, Mirjam, Nielsen, Emil, Oja, Tõnis, Timmen, Ludger

“…SUMMARY For the first time, we present a complete, processed compilation of all repeated absolute gravity (AG) observations in the Fennoscandian postglacial…”
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A superconducting gravimeter on the island of Heligoland for the high-accuracy determination of regional ocean tide loading signals of the North Sea by Voigt, Christian, Sulzbach, Roman, Timmen, Ludger, Dobslaw, Henryk, Weise, Adelheid, Deng, Zhiguo, Stolarczuk, Nico, Pflug, Hartmut, Peters, Heino, Fietz, Michael, Thomas, Maik, Förste, Christoph, Flechtner, Frank

“…SUMMARY The superconducting gravimeter GWR iGrav 047 has been installed on the small offshore island of Heligoland in the North Sea approximately at sea level…”
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Gravity field modelling for the Hannover 10 m atom interferometer by Schilling, Manuel, Wodey, Étienne, Timmen, Ludger, Tell, Dorothee, Zipfel, Klaus H., Schlippert, Dennis, Schubert, Christian, Rasel, Ernst M., Müller, Jürgen

“…Absolute gravimeters are used in geodesy, geophysics and physics for a wide spectrum of applications. Stable gravimetric measurements over timescales from…”
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High precision measurements of Absolute Gravity in México: the Jalisco Block changes in gravity triggered by distant earthquakes by Esparza, Alfredo, Arzate, Jorge, Timmen, Ludger, Silliker, Jason, Schilling, Manuel

“…Abstract We report the results of 16 Absolute Gravity (AG) measurements distributed central and western Mexico employing two free-fall gravity instruments; the…”
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Observing Gravity Change in the Fennoscandian Uplift Area with the Hanover Absolute Gravimeter by Timmen, Ludger, Gitlein, Olga, Klemann, Volker, Wolf, Detlef

“…The Nordic countries Norway, Sweden, Finland and Denmark are a key study region for research of glacial isostasy. In addition, such research offers a unique…”
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Technical note: Introduction of a superconducting gravimeter as novel hydrological sensor for the Alpine research catchment Zugspitze by Voigt, Christian, Schulz, Karsten, Koch, Franziska, Wetzel, Karl-Friedrich, Timmen, Ludger, Rehm, Till, Pflug, Hartmut, Stolarczuk, Nico, Förste, Christoph, Flechtner, Frank

“…GFZ (German Research Centre for Geosciences) set up the Zugspitze Geodynamic Observatory Germany with a worldwide unique installation of a superconducting…”
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A land uplift model in Fennoscandia combining GRACE and absolute gravimetry data by Müller, Jürgen, Naeimi, Majid, Gitlein, Olga, Timmen, Ludger, Denker, Heiner

“…Since 2002 the GRACE satellite mission provides monthly solutions of the Earth’s gravity field reflecting mass variations on various spatial and temporal…”
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Observing Gravity Change in the Fennoscandian Uplift Area with the Hanover Absolute Gravimeter: Deformation and Gravity Change: Indicators of Isostasy, Tectonics, Volcanism and Climage Change, Vol. III by TIMMEN, Ludger, GITLEIN, Olga, KLEMANN, Volker, WOLF, Detlef

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Observed secular gravity trend at Onsala station with the FG5 gravimeter from Hannover by Timmen, L., Engfeldt, A., Scherneck, H.-G.

“…Annual absolute gravity measurements with a FG5 instrument were performed in Onsala Space Observatory by the Institute of Geodesy of the Leibniz Universität…”
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THE CAPACITY OF THE SCINTREX AUTOGRAV CG-3M No. 4492 GRAVIMETER FOR by Ludger Timmen, Olga Gitlein

“…In autumn 2001, the Institut für Erdmessung (IfE), received the new Scintrex Autograv CG-3M spring gravimeter no. 4492 (SC-4492). Compared with LaCoste-Romberg…”
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