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  • 1
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource (51 p. = 2,48 MB) , ill., graphs
    Edition: [Elektronische Ressource]
    Language: German
    Note: Contract BMBF 03F0193A/0. - Differences between the printed and electronic version of the document are possible. - nIndex p. 8 - 11. - nBibliography p. 46 - 47 , Also available as printed version , Systemvoraussetzungen: Acrobat Reader.
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  • 2
    Online Resource
    Online Resource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Keywords: Geodesy--Remote sensing--Congresses. ; Electronic books.
    Description / Table of Contents: Munich, October 5-9, 1998.
    Type of Medium: Online Resource
    Pages: 1 online resource (272 pages)
    Edition: 1st ed.
    ISBN: 9783642597459
    Series Statement: International Association of Geodesy Symposia Series ; v.120
    DDC: 526/.1
    Language: English
    Note: International Association of Geodesy Symposia -- Editor's page -- Copyright -- Preface -- Contents -- Symposium Programme -- Minutes of the Plenary Discussion -- Participants -- Position Papers -- Importance of a Common Framework for the Realization of Space-Time Reference Systems -- The Use of a Precise Reference Frame in Sea Level Change Studies -- Combination of Space Techniques into one Integrated Processing Model -- Towards an Integrated Global Reference System: Geodesy as a Utility -- Space Techniques and their Coordination within IAG at Present and in Future -- Contributions of VLBI to Space Geodesy -- Towards an Integrated Global Geodetic Observing System -- Envisaging a new era of gravity field research -- Status of the CHAMP Mission -- Satellite Gravity Gradiometry with GOCE -- Integration of geodetic techniques into a global Earth monitoring system and its implication for Earth system sciences -- The Integration of Geodetic Measurements into an Earth Science Observing Program: The Example of Glacial Rebound -- Posters - Session A Reference System and Datum Integration -- Quality Analysis of Some IGS Weekly Combined Solutions with Respect to ITRF -- Geosat and ERS-1 Datum Offsets Relative to Topex/Poseidon Estimated Simultaneously with Geopotential Corrections from Multi-Satellite Crossover Altimetry -- The Integration of Brazilian Geodetic Network into SIRGAS - Preliminary Results - -- Construction of the New Japan Datum Using Space Geodetic Technologies -- Deviation of Japanese Vertical Datum and Reference Surface with Respect to the Global Geoid -- Reference Systems Used in Global Navigation Satellite Systems -- Recent Contribution to the ITRF and its Realization in Canada -- Realization and Unification of NAD83 in Canada and the U.S. via the ITRF -- Geodetic Datum Defnition of the SAGA Network. , Weak Gravitational Lensing and Instability of the Celestial Reference Frame -- Height Time Series of the Italian GPS Fiducial Network compared with VLBI and SLR Estimations -- Monitoring the Continental Reference Frame in South America -- World Geodetic Datum 2000 -- Posters - Session B Strengths and Weaknesses of Space Techniques -- Validation of TOPEX/POSEIDON Measurements in the Southern Baltic Sea -- DORIS : Contribution of an Orbit Determination System to Accurate and Long Term Altimetry from Space -- IGS Combinations of Polar Motion, Length of Day and Universal Time -- Comparison of Site Velocities Measured by VLBI and GPS in the Key Stone Project Network -- Large Lunar Laser Ranging at its Best -- Combining GPS and CCD to Modernise Astronomical Levelling -- Orbit Modelling Based on Laser and CCD-Observations -- Unification of the GPS Work in Egypt -- Earth Orientation Parameters Measured by Space Geodesy Techniques -- New Method for the Selection of Additional Sites for the Homogenisation of an Inhomogeneous Cospherical Point Distribution -- Westford VLBI to GPS Vertical Tie and Implications for the TRF -- Posters - Session C Upcoming Gravity Field Satellite Missions -- Impact of terrestrial data on future satellite gravity field solutions -- SAGE: An Italian Project of Satellite Accelerometry -- Accelerometry Aboard CHAMP -- Simulation of the GOCE Gravity Field Mission -- Fundamentals and Applications of the Gravity Field Mission GOCE -- Effects of Inhomogeneous Data Coverage on Spectral Analysis -- Geodetic Applications of the ROCSAT-3/COSMIC Mission -- Estimation of Ocean Mass Redistribution by Means of Altimetry and Circulation Models and its Impact on the Gravity Field -- GFZ and DLR Contribution to a GPS Ground Network to Support the CHAMP Mission. , The ESA Gravity Field and Steady-State Ocean Circulation Explorer Mission: Impact on Solid Earth Physics -- Posters - Session D Implication for Earth Sciences -- The Regular Character of the Plate Motion: Implication for Earth Sciences -- About Global Rotation of the Lithosphere -- Least Squares Collocation Method for Space Geodetic Data Analysis -- BIFROST Project: Studies of Variations of Absolute Sea Level in Conjunction With the Postglacial Rebound of Fennoscandia -- The Indonesian Gravity Field and the Geoid Model -- ISRO Initiatives for Space Geodesy and Geodynamics in India -- A Sketch towards an Integrated Global Geodetic Observing System (IGGOS) -- Global Integrated Geodetic and Geodynamic Observing System (GIGGOS) -- Authors' Index.
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  • 3
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    PANGAEA
    In:  Supplement to: Savcenko, Roman; Bosch, Wolfgang (2012): EOT11a - Empirical Ocean Tide Model from Multi-Mission Satellite Altimetry. Deutsches Geodätisches Forschungsinstitut (DGFI), München, 89, 49 pp, hdl:10013/epic.43894.d001
    Publication Date: 2023-05-12
    Description: EOT11a is a global (E)mpirical (O)cean (T)ide model derived in 2011 by residual analysis of multi-mission satellite (a)ltimeter data. EOT11a includes amplitudes and phases of the main astronomical tides M2, S2, N2, K2, 2N2, O1, K1, P2, and Q1, the non-linear constituent M4, the long period tides Mm and Mf, and the radiational tide S1. Ocean tides as well as loading tides are provided. EOT11a was computed by means of residual tidal analysis of multi-mission altimeter data from TOPEX/Poseidon, ERS-2, ENVISAT, and Jason-1/2, as far as acquired between September 1992 and April 2010. The resolution of 7.5'x7.5' is identical with FES2004 which was used as reference model for the residual tide analysis. The development of EOT11a was funded by the Deutsche Forschungsgemeinschaft (DFG) under grant BO1228/6-2.
    Keywords: File name; File size; Uniform resource locator/link to model result file
    Type: Dataset
    Format: text/tab-separated-values, 78 data points
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  • 4
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    PANGAEA
    In:  Technische Universität München | Supplement to: Müller, Felix L; Dettmering, Denise; Wekerle, Claudia; Schwatke, Christian; Passaro, Marcello; Bosch, Wolfgang; Seitz, Florian (2019): Geostrophic currents in the northern Nordic Seas from a combination of multi-mission satellite altimetry and ocean modeling. Earth System Science Data, 11(4), 1765-1781, https://doi.org/10.5194/essd-11-1765-2019
    Publication Date: 2023-10-28
    Description: The data set contains combined Dynamic Ocean Topography (DOT) and geostrophic velocity components for the northern Nordic Seas between 1995 and 2012. It was produced in the frame of the DFG project NEG-OCEAN: Variations in ocean currents, sea-ice concentration, and sea surface temperature along the North-East coast of Greenland. The data is provided as Format 4 Classic NetCDF files on an unstructured triangular, Finite Element formulated grid. The data are characterized by daily sampling between 18.5.1995 and 3.4.2012 including data gaps and a consistent spatial resolution up to 1 km. More details can be found in the related User Manual. The dataset is based on Dynamic Ocean Topography (DOT) elevations from a combination of along-track satellite altimetry measurements with simulated differential water heights from the Finite Element Sea-ice Ocean Model Version 1.4 (FESOM, Wekerle et al., 2017, doi:10.1002/2017JC012974). The combination approach is described in detail in the related publication. The altimetry data include observations of the ESA satellites Envisat and ERS-2. The high-frequent altimetry range observations are retracked using the ALES+ algorithm (Passaro et al., 2018, doi:10.1016/j.rse.2018.02.074) and are classified into open-water/sea-ice conditions by applying a classification algorithm (Müller et al., 2017, doi:10.3390/rs9060551). All applied atmospheric and geophysical altimetry corrections are listed in Müller et al., 2019 (doi:10.5194/tc-13-611-2019).
    Keywords: Dynamic Ocean Topography; File format; File name; File size; Geostrophic Currents; MULT; Multiple investigations; NEG-OCEAN; NordicSeas; North Atlantic; northern Nordic Seas; Ocean Modeling; Principal Component Analysis; Satellite altimetry; Uniform resource locator/link to file; Variations in ocean currents, sea ice concentration, and sea surface temperature along the North-East coast of Greenland
    Type: Dataset
    Format: text/tab-separated-values, 72 data points
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  • 5
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    PANGAEA
    In:  Supplement to: Piccioni, Gaia; Dettmering, Denise; Bosch, Wolfgang; Seitz, Florian (2019): TICON: TIdal CONstants based on GESLA sea‐level records from globally located tide gauges. Geoscience Data Journal, 6(2), 97-104, https://doi.org/10.1002/gdj3.72
    Publication Date: 2024-04-20
    Description: The TICON (TIdal CONstants) dataset contains harmonic constants of 40 tidal constituents computed for 1145 tide gauges located on a quasi-global scale and supplementary information. The tidal estimations are based on publicly available sea level records of the Global Extreme Sea Level Analysis (GESLA) project, which is the latest comprehensive high frequency tide gauge data selection collected among 30 different international sources. The tidal constants were derived from the GESLA-2 time series through a least-squares-based harmonic analysis. A screening was performed on all records to ensure that all observations flagged as unreliable are excluded and the length of the applied time series is larger than one year. Moreover, only the records with a minimum of 70% of valid measurements were processed. In total, 89.7% of 1276 original public GESLA records were used. The results are stored in one tab-separated text/ASCII file with 13 columns: 1. Latitude of the tide gauge station 2. Longitude of the tide gauge station 3. Constituent name 4. Amplitude in cm 5. Phase in degrees 6. Standard deviation of the amplitude in cm 7. Standard deviation of the phase in degrees 8. Percentage of missing observations 9. Total number of observations analyzed 10. Length of the maximum temporal gap found in the time series in days 11. Date of the first observation 12. Date of the last observation 13. Code that corresponds to the original source of the record TICON is a useful and easy-to-handle data set for tide model validation and allows the users to select the records according to different criteria most suitable for their purposes. The options span from the choice of a geographical region to the use of single constituents or time periods.
    Type: Dataset
    Format: application/zip, 1.5 MBytes
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  • 6
    Publication Date: 2011-07-06
    Print ISSN: 0149-0419
    Electronic ISSN: 1521-060X
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Published by Taylor & Francis
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  • 7
    Publication Date: 2011-05-18
    Print ISSN: 0149-0419
    Electronic ISSN: 1521-060X
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Published by Taylor & Francis
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  • 8
    Publication Date: 2011-06-26
    Print ISSN: 0149-0419
    Electronic ISSN: 1521-060X
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Published by Taylor & Francis
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  • 9
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    Deutsches Geodätisches Forschungsinstitut (DGFI)
    In:  EPIC3München, Deutsches Geodätisches Forschungsinstitut (DGFI)
    Publication Date: 2014-07-22
    Repository Name: EPIC Alfred Wegener Institut
    Type: PANGAEA Documentation , notRev
    Format: application/pdf
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  • 10
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    In:  EPIC3EGU General Assembly, April 8 - 12, 2013, Vienna, Austria (Geophysical Research Abstracts, Vol. 15, EGU2013-10271)
    Publication Date: 2019-07-16
    Description: Absolute dynamic topography, i.e. the difference between time dependent multi-mission altimetric sea surface height and one of the most recent GOCE and GRACE based geoids, is assimilated in a global ocean general circulation model. To this end we apply an ensemble based Kalman technique, the "Error Subspace Transform Kalman Filter" (ESTKF). Here we present an update of our work. First of all the geoid is improved over previous versions. The ocean model now includes better dynamics and full sea-ice ocean interactions and more realistic surface forcing. Finally the assimilation method is augmented by a fixed lag smoother technique. This smoother allows to significantly improve the model performance, most strikingly in the first adjustment phase.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
    Format: application/pdf
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