C. Gruber

Medical University of Graz

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Frank Flechtner

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

Elisa Fagiolini

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

C. Dahle

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

Grzegorz Michalak

Deutsches Zentrum für Luft- und Raumfahrt e. V. (DLR)

R. König

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

Jaroslav Klokočník

Czech Academy of Sciences, Astronomical Institute

Karl Hans Neumayer

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

DŠ

Dražen Švehla

Technical University of Munich

Andreas Groh

TU Dresden

Aleš Bezděk

Czech Academy of Sciences, Astronomical Institute

Cooperative Institutions

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences

Graz University of Technology

University of Potsdam

Laboratoire d’Études en Géophysique et Océanographie Spatiales

Technical University of Munich

Institute of Geodesy and Geophysics

Centre National de la Recherche Scientifique

Japan External Trade Organization

Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung

Delft University of Technology

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The new GFZ EIGEN-GRACE06S gravity field model time series

European geosciences union general assembly (2011)

Christoph Dahle C. Gruber Frank Flechtner Karl Hans Neumayer Ilias Daras

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A first attempt at time-variable gravity recovery from CHAMP using the energy balance approach

Nico Sneeuw Christian Gerlach C. Gruber Dražen Švehla

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The GFZ GRACE RL06 Level-2 and associated Level-3 Data Products

AGU Fall Meeting Abstracts (2017)

Frank Flechtner C. Dahle H. Neumayer Grzegorz Michalak Michael Murböck

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Outlier detection in champ kinematic orbit data to be used in gravity field determination

C. Gruber

champ orbit data have become available from dynamic, reduced dynamic and kinematic (purely geometric) approaches. All of them have been used in gravity eld determination. However, the kinematic orbits enjoy higher acceptance since they do not employ any a-priori gravity eld model. Unfortunately, kinematic orbits suer from higher noise levels and outliers. Hence, improving kinematic orbits will directly inuence the quality of the gravity eld model. In this paper, a pre-processing strategy for kinematic orbit data will be presented. Based on orbit smoothing, outliers will be detected and excluded from further processing.

Orbit (dynamics)

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Hydrogen Supplied ICEs and Fuel Cells for Commercial Vehicles

Fuel Cells (2003)

E Hipp Stefan Kerschl T. Pflanz C. Gruber

Abstract In view of the limited availability of fossil fuels and the necessity to reduce the output of emissions of greenhouse gases in the long term, the transport sector needs efficient, environmentally compatible drive solutions. Hydrogen, as a clean and sustainable fuel, offers a high implementation potential and can be used both in internal combustion engines and in fuel cells. In urban deployment the fuel cell drive has specific advantages and is suitable for use in city buses. Integration of high‐power energy storage systems improves fuel consumption and can reduce the costs of the drive system. In May 2000 MAN presented its first fuel cell bus, which was successfully deployed in passenger transport in various cities. The next FC‐bus, using hybrid fuel cell propulsion, is planned under the framework of the Bavarian hydrogen project at Munich Airport and will be tested from spring 2004 on. The first deployment of pre‐series bus fleets with fuel cells using hydrogen as fuel can be expected from the end of this decade onwards.

Hydrogen vehicle

Sustainable transport

10.1002/fuce.200332109

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Derivation of the CHAMP-only global gravity field model TUG-CHAMP04 applying the energy integral approach

Studia Geophysica et Geodaetica (2006)

Tomáš Baďura C. Sakulin C. Gruber Rainer Klostius

Orbit (dynamics)

10.1007/s11200-006-0002-3

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Citations (18)