GEODESY SESSIONS AND PRESENTATIONS

G21A   BCC:Hall C  Tues  0830h
Ocean-Solid Earth Interactions Posters (joint  with O)
Presiding: R S Gross, Jet Propulsion Laboratory; B Chao, 
           NASA/Goddard Space Flight Center

   0830h   G21A-01  INVITED  POSTER  Model Predictions of 
                    Short-Period Tidal Variations in the Earth's 
                    Rotation: *R D Ray, B F Chao, G D Egbert
   0830h   G21A-02  POSTER  Oceanic "Dynamic Barometer" Effects 
                    on the Earth's Rotation: *S R Dickman
   0830h   G21A-03  INVITED  POSTER  Ocean Signals in Earth 
                    Rotation: From an Inverted Barometer to a 
                    Dynamical Ocean: *R M Ponte
   0830h   G21A-04  POSTER  Angular Momentum in a Free-Surface 
                    Ocean General Circulation Model: D A Salstein, 
                    *R M Ponte, R D Rosen, K Cady-Pereira
   0830h   G21A-05  INVITED  POSTER  Subseasonal to Interannual 
                    Variations in the Earth's Rotation and 
                    Gravity Field Induced by Global Ocean 
                    Circulation: *D J Steinberg, J A Marshall, 
                    B F Chao
   0830h   G21A-06  INVITED  POSTER  Observations of Seasonal 
                    Translations Between the Earth's Mass Center 
                    and Lithosphere: *M M Watkins, D N Dong, J O 
                    Dickey, M B Heflin, R J Eanes, S  Kar
   0830h   G21A-07  INVITED  POSTER  Earth Rotation Through the 
                    Ice Age: *W R Peltier, X Jiang
   0830h   G21A-08  POSTER  Magnetic Fields Generated by Ocean 
                    Circulation: *R H Tyler, L A Mysak
   0830h   G21A-09  POSTER  Extent of Sea Water Motions at the 
                    1995 Hyogo South Earthquake: *S Nakamura

G21B   BCC:Hall C  Tues  0830h
The Measurement of UT1 and Length-of-Day Posters
Presiding: J Ray, NOAA; M Watkins, Jet Propulsion Laboratory

   0830h   G21B-01  POSTER  EOP Measurements by VLBI: Past 
                    Achievements, Future Promise: *J M Gipson, N 
                    Vandenberg, C Ma, J Ryan
   0830h   G21B-02  POSTER  Accuracy of Daily VLBI 
                    Determinations of UT1: *J R Ray
   0830h   G21B-03  INVITED  POSTER  Satellite Laser Ranging 
                    Measurements of UT1 and Length of Day: *R J 
                    Eanes
   0830h   G21B-04  INVITED  POSTER  Estimation of UT1-UTC From 
                    GPS Observations at CODE: M  Rothacher, *R  
                    Weber, G  Beutler
   0830h   G21B-05  INVITED  POSTER  UT1-UTC Estimation at 
                    Natural Resources Canada: *R  Ferland, J  
                    Kouba, P  Tetreault
   0830h   G21B-06  INVITED  POSTER  Combining GPS 
                    Determinations of UT1 With Outer Space 
                    Techniques: *D D McCarthy
   0830h   G21B-07  POSTER  The Use of Daily Geodetic UT1 and 
                    LOD Data in the Optimal Estimation of UT1 
                    and LOD With the JPL Kalman Earth 
                    Orientation Filter (KEOF): *A P Freedman, J A 
                    Steppe
   0830h   G21B-08  POSTER  Universal Time Derived From VLBI and 
                    GPS Techniques: D H Gambis

G21C   BCC:Hall C  Tues  0830h
Determining the Global Terrestrial Reference Frame: Beyond Plate 
Tectonics Posters
Presiding: T M Eubanks, US Naval Observatory; G Blewitt, 
           Univ of Newcastle-upon-Tyne

   0830h   G21C-01  INVITED  POSTER  Beyond Plate Tectonics: The 
                    Global Terrestrial Reference Frame in the 
                    21st Century: *T M Eubanks
   0830h   G21C-02  POSTER  TRF Determined From Multiple Space 
                    Techniques: *E C Pavlis
   0830h   G21C-03  INVITED  POSTER  NASA's VLBI Research and 
                    Development Program: Analysis of the 
                    Vertical Motions for a Global Network of 124 
                    Sites: *J W Ryan, T A Clark, C Ma, T A Clark
   0830h   G21C-04  INVITED  POSTER  Monitoring Global Change in 
                    Earth's Shape: *T M vanDam, G Blewitt, M B 
                    Heflin, D Argus
   0830h   G21C-05  INVITED  POSTER  VLBI Baseline Variations 
                    From the ICE-4G Model of Postglacial Rebound: 
                    *W R Peltier

G22A   BCC:319  Tues  1330h
Global Sea Level Change: Measurement and Modeling (joint  with O,
T)
Presiding: S Nerem, Goddard Space Flight Center; T M vanDam, 
           CIRES

   1330h   G22A-01  INVITED  Monitoring Global Sea Level: *B C 
                    Douglas, S P Leatherman
   1345h   G22A-02  INVITED  Global Mean Sea Level Variations 
                    From TOPEX/POSEIDON Altimeter Data: *R S 
                    Nerem, K R Rachlin, B D Beckley
   1400h   G22A-03  INVITED  Global Sea Level Change Implied by 
                    Topex Altimeter Data (II): *R H Rapp, Y Yi, C 
                    Zhang
   1415h   G22A-04  Why is sea Level Rising?: *R  Cheney, J A 
                    Carton, C  Wagner, L  Miller
   1430h   G22A-05  INVITED  Glacial Isostatic Adjustment and 
                    Far Field Sea Level Change: *J X Mitrovica, 
                    J L Davis
   1445h   G22A-06  INVITED  Topographically Self-Consistent 
                    Postglacial Sea Levels: A Refined Filter for 
                    the Tide Gauge Data Set: *W R Peltier
   1500h   Break
   1520h   G22A-07  INVITED  Recent Deglaciation in Low Lying 
                    Coastal Regions: A Key to the Missing Water 
                    in the Oceans?: *A Trupin
   1535h   G22A-08  Is There a Deglacial Polar Motion Signal in 
                    the Pattern of Relative Sea Level Change?: 
                    *B G Bills
   1550h   G22A-09  INVITED  Sea Level Trends From Tide Gauges 
                    and Geologic Data: *V Gornitz
   1605h   G22A-10  A Geodetic Network for Monitoring Sea Level 
                    in the Chesapeake Bay: BAYONET: *T M vanDam, 
                    R S Nerem, M S Schenewerk
   1620h   G22A-11  Vertical Crustal Motion at SLR Stations: *P J 
                    Dunn, M H Torrence, D E Smith, R Kolenkiewicz
   1635h   G22A-12  Thermal Expansion and Fresh Water Discharge 
                    Effects on Intra-annual Variations in Sea 
                    Level: J E Fancher, *C Galvin, A W Garcia, 
                    J W Holton, B L McCartney
   1650h   G22A-13  Temperature Effects on the Next Generation 
                    Water Level Measurement System: *D L Porter, 
                    H H Shih

G31A   BCC:319  Wed  0830h
GPS and the Ionosphere I (joint  with SA)
Presiding: R Langley, Univ of New Brunswick; D Coco, 
           Univ of Texas at Austin

   0830h   G31A-01  INVITED  Spaceborne GPS Sensing of the 
                    Ionosphere: A Review: *Y T Chiu, M A Rinaldi
   0900h   G31A-02  Comparisons of Ionospheric Total Electron 
                    Contents, Made at Boulder, CO, From GPS and 
                    GOES-2: *R O Conkright, K Davies, S A Musman
   0915h   G31A-03  Comparison of Data From GPS Real-Time 
                    Ionospheric Monitoring Systems at Two Sites: 
                    *A J Coster, K P Buchmann, L E Thornton
   0930h   G31A-04  INVITED  Extracting Information Concerning 
                    the Ionosphere Using the IGS Network: *G  
                    Beutler, L  Mervart, S  Schaer, U  Wild
   0950h   G31A-05  INVITED  Monitoring Ionospheric Total 
                    Electron Content Using the Global GPS Network: 
                    B D Wilson, *A J Mannucci, D N Yuan, U J 
                    Lindqwister, T F Runge
   1010h   Break
   1030h   G31A-06  Development and Applications of GPS 
                    Ionospheric Mapping Technology: *U J 
                    Lindqwister, A J Mannucci, T F Runge, B D 
                    Wilson, D N Yuan
   1045h   G31A-07  Generation of GPS Observables for Global 
                    Ionospheric Mapping: *T F Runge, A J Mannucci, 
                    D N Yuan, B D Wilson, U J Lindqwister
   1100h   G31A-08  Permanent Monitoring of TEC Using GPS Data: 
                    Scientific and Practical Aspects: *E  Sardon, 
                    N  Jakowski, N  Zarraoa
   1115h   G31A-09  A Comparison of Predicted and Measured 
                    Ionospheric Range Error Corrections: *A  
                    Komjathy, R B Langley, F  Vejrazka
   1130h   G31A-10  Shell Height and Vertical TEC Mapping 
                    Function Analysis for Ionospheric Shell Model: 
                    *D N Yuan, A J Mannucci, B D Wilson, T F 
                    Runge, U J Lindqwister
   1145h   G31A-11  INVITED  Correcting for the Effects of 
                    Ionospheric Range Delays on the Proposed 
                    Wide-Area Augmentation System (WAAS): *J A 
                    Klobuchar, P H Doherty, M B El-Arini, R S 
                    Conker

G32A   BCC:303  Wed  1325h
Applied Global Geodynamic Studies Using Permanent Observation 
Arrays (GPS, SLR, VLBI, etc.)
Presiding: G Beutler, Univ of Berne; R Neilan, 
           Jet Propulsion Laboratory

   1325h   G32A-01  INVITED  The Contributions of Radioastronomy 
                    and Space Geodetic Techniques to the 
                    Celestial and Terrestrial Reference Frames: *M 
                    Feissel
   1340h   G32A-02  INVITED  The Role of VLBI Networks in Global 
                    Geodynamics: *C Ma, J W Ryan, T A Clark
   1355h   G32A-03  INVITED  The Contributions of Satellite 
                    Geodesy to Global Geodynamics: *R J Eanes, 
                    M M Watkins
   1410h   G32A-04  INVITED  The Contribution of GPS to the 
                    Densification of the ITRF: *G  Blewitt, P B 
                    Davies
   1425h   G32A-05  INVITED  Permanent GPS Arrays in 
                    Fennoscandia: Scientific Goals and Results: 
                    *J M Johansson, B O Ronnang
   1440h   G32A-06  Kinematics of Deformation Zones Determined 
                    by Space Geodesy: *J W Robbins, P J Dunn, M H 
                    Torrence, R G Williamson, M B Heflin, R 
                    Kolenkiewicz, D E Smith
   1455h   G32A-07  Satellite Determined Frame Ties to SLR 
                    Coordinates for DORIS and GPS Networks: R J 
                    Muellerschoen, D  Yuan, M M Watkins, J R 
                    Guinn
   1510h   Break
   1530h   G32A-08  Estimation of Present-Day Plate Motions From 
                    Combination of VLBI Measurements and 
                    Geological Rates Using a Random Effect Model: 
                    *H B Iz, C Yong-qi
   1545h   G32A-09  Mark IV Geodesy: Sub-microsecond Earth 
                    Rotation and Sub-millimeter Positions: *N R 
                    Vandenberg, T A Clark, J W Ryan, C  Ma
   1600h   G32A-10  Determination of High-Precision GPS Orbits 
                    Using Triple Differencing Technique: C C Goad, 
                    *D A Grejner-Brzezinska, M Yang
   1615h   G32A-11  Combination of GPS Coordinate Solutions, 
                    Based on Two Years of IGS Analysis, With SLR 
                    Coordinate Solutions: *T A Springer, R  
                    Noomen, F  Wokke, B A Ambrosius
   1630h   G32A-12  Results of the WEGENER/GPS 1992 and 1994 
                    Campaigns: *H  Habrich, K  Herzberger, Y  
                    Altiner, T A Springer, R  Noomen, B A 
                    Ambrosius
   1645h   G32A-13  Connecting Bangalore (India) Station to the 
                    IGS Network: *P  Manurung, G  Blewitt, P A 
                    Cross, P  Denys

G41A   BCC:Hall C  Thurs  0830h
Marine Geology and Geophysics from Satellite Altimetry Posters
 (joint  with T)
Presiding: W F Haxby, Lamont-Doherty Earth Obs; W H F Smith, NOAA

   0830h   G41A-01  POSTER  Gravity Anomaly Profiles From ERS-1, 
                    Topex, and Geosat Altimetry: *D T Sandwell, 
                    M M Yale, W H F Smith
   0830h   G41A-02  POSTER  Global Comparison of Gravity 
                    Anomalies Measured by Ships and Derived From 
                    Dense Satellite Altimetry: *W H F Smith, D T 
                    Sandwell
   0830h   G41A-03  POSTER  ERS-1 Altimeter Derived Gravity Over 
                    Ice-Covered Seas: *S Laxon, D C McAdoo
   0830h   G41A-04  POSTER  Seafloor Gravimetry and Its Tectonic 
                    Implications at WMARK Area: *T Matsumoto
   0830h   G41A-05  POSTER  Evolution of the Segmentation of the 
                    Mid-Atlantic and Indian Ridges From ERS-1 
                    Geodetic Phase Altimetry Data: *A Briais, A 
                    Cazenave, M Berge, P Shaeffer
   0830h   G41A-06  POSTER  The Segmentation of the Southeast 
                    Indian Ridge Between 88~Lo~K and 120~Lo~K E: 
                    Transitions in Axial Topography, Rift 
                    Propagation, and Transform Fault 
                    Reorganization: J C Sempere, J R Cochran, D 
                    Christie, M Eberle, L Geli, J Goff, H Kimura, 
                    Y Ma, A Shah, C Small, B Sylvander, B P West, 
                    W Zhang
   0830h   G41A-07  POSTER  The Southeast Indian Ridge Between 
                    88~Lo~K and 120~Lo~K E: Gravity Anomalies 
                    and Crustal Accretion at Intermediate 
                    Spreading Rates: J R Cochran, J C Sempere, D 
                    Christie, M Eberle, L Geli, J Goff, H Kimura, 
                    Y Ma, A Shah, C Small, B Sylvander, B P West, 
                    W Zhang
   0830h   G41A-08  POSTER  Stochastic Analysis of Seafloor 
                    Morphology on the Flanks of the Southeast 
                    Indian Ridge: The Influence of Ridge 
                    Morphology on the Formation of Abyssal Hills: 
                    *J A Goff, Y Ma, J R Cochran, A Shah, J C 
                    Sempere
   0830h   G41A-09  POSTER  The Evolution of the South-East 
                    Indian Ridge East of 105~Lo~KE During the 
                    Last 30 Ma: Plate Tectonic Reconstruction 
                    and Implications From Tomographic and 
                    Subsidence Results: *L Geli, J C Sempere, M 
                    Sahabi, B P West, J L Olivet, G Roult
   0830h   G41A-10  POSTER  Ontong Java Plateau Revisited: E L 
                    Winterer, *M  Nakanishi
   0830h   G41A-11  POSTER  Fracture Zone Geoid Data and the 
                    Thermal Evolution of Oceanic Lithosphere: *W P 
                    Richardson, J DeLaughter, S Stein, C A Stein, 
                    M T Zuber

G42A   BCC:Hall C  Thurs  1330h
GPS and the Ionosphere II Posters (joint  with SA)
Presiding: R Langley, Univ of New Brunswick; D Coco, 
           Univ of Texas at Austin

   1330h   G42A-01  POSTER  Dealing With the Ionosphere: SEL 
                    Services for GPS: *J Kunches
   1330h   G42A-02  POSTER  Using the Ionosphere to Calibrate 
                    GPS Two-Frequency Receivers and Using One 
                    GPS Receiver to Simulate a Chain of 
                    Ionosphere Monitors: *G J Bishop, A Mazzella, 
                    E A Holland
   1330h   G42A-03  POSTER  Sporadic E Detection Using GPS Phase 
                    Measurements: *T L Gaussiran, D S Coco, C 
                    Coker
   1330h   G42A-04  POSTER  Observations of Ionospheric 
                    Irregularities and the Magnetic Storms of 
                    April and October of 1994: J Aarons, M 
                    Mendillo, R Yantosca
   1330h   G42A-05  POSTER  Analysis of Global Ionospheric Total 
                    Electron Content Maps for March, 1993: *C A 
                    Raymond, A J Mannucci
   1330h   G42A-06  POSTER  Detection of the Equatorward 
                    Boundary of the Auroral Oval Using GPS 
                    Satellites: *C Coker, R Hunsucker, G Lott

G42B   BCC:Hall C  Thurs  1330h
General Geodesy Posters
Presiding: R S Gross, Jet Propulsion Laboratory

   1330h   G42B-01  POSTER  GPS Interagency Advisory Council: *L A 
                    Lapine, J F Spencer
   1330h   G42B-02  POSTER  Estimation of Tropospheric 
                    Fluctuations Using GPS Data: *C J Naudet
   1330h   G42B-03  POSTER  GPS Multipath Over Different 
                    Reflecting Surfaces: *R L Allshouse, B R 
                    Schupler
   1330h   G42B-04  POSTER  Sensing the Earth With 
                    Superconducting Gravimeters: The Global 
                    Geodynamics Project: *L  Mansinha, D  
                    Crossley
   1330h   G42B-05  POSTER  Combinations of Earth Orientation 
                    Observations: SPACE94, COMB94, and POLE94: 
                    *R S Gross
   1330h   G42B-06  POSTER  Singular Spectrum Analysis of Earth 
                    Rotation Variations and Global Temperature: 
                    *J O Dickey, C L Keppenne
   1330h   G42B-07  POSTER  Error Analysis of 1993 and 1994 GLAS 
                    Airborne Emulation Over Greenland: *C D Choe, 
                    B E Schutz, C K Shum
   1330h   G42B-08  POSTER  Delay/Doppler: A New Radar Altimeter 
                    for Ice Sheet and Coastal Applications: *R K 
                    Raney
   1330h   G42B-09  POSTER  Analysis of a Phase-Monopulse Radar 
                    Altimeter for Continental Ice Sheet Mapping: 
                    *J R Jensen
   1330h   G42B-10  POSTER  High Resolution Gravity Measurement: 
                    I. Establishing a Baseline for Global Change: 
                    H J Paik, *B G Bills
   1330h   G42B-11  POSTER  High Resolution Gravity Measurement: 
                    II. Instrument Concept: *E R Canavan, M V 
                    Moody, H J Paik
   1330h   G42B-12  POSTER  High Resolution Gravity Measurement: 
                    III. Spacecraft and Mission Concepts: *P J 
                    Shirron, M J DiPirro, S H Castles
   1330h   G42B-13  POSTER  "Shape-of-Anomaly" Gravity 
                    Inversion: (1) Applications to Gravity 
                    Profiles Across Underground Limestone Mines 
                    in Indiana, and (2) Development of 
                    Three-Dimensional Inverse Modeling: *R M Rene
   1330h   G42B-14  POSTER  Gravity Gradient Tensor Analysis of 
                    the New Madrid Seismic Zone: *J H Hinojosa, 
                    K L Mickus
   1330h   G42B-15  POSTER  The CERI/USGS GPS Network in the 
                    Central New Madrid Seismic Zone: R Smalley, 
                    *M A Ellis, D P Dwiggins
   1330h   G42B-16  POSTER  Estimation of Site Velocity 
                    Gradients From GPS Measurements in the New 
                    Madrid Seismic Zone: *J Weber, S Stein, J 
                    Engeln
   1330h   G42B-17  POSTER  GPS Studies in the Charleston South 
                    Carolina Area: *R  Trenkamp, P  Talwani, J  
                    Kellogg
   1330h   G42B-18  POSTER  Geodetic Estimation of Slip in the 
                    Hayward Earthquake of 1868: E Yu, P Segall
   1330h   G42B-19  POSTER  Horizontal Velocity Field in 
                    Southwestern California: *R  Snay, D  Jackson, 
                    M  Lisowski
   1330h   G42B-20  POSTER  GPS Measurements Across the Northern 
                    Caribbean Plate Boundary Zone: Preliminary 
                    Results: *F Farina, E Calais, C Demets, T 
                    Dixon, P Jansma, P Mann
   1330h   G42B-21  POSTER  Sum and Difference Frequencies of 
                    the Major Earth Polar Motion Periodic 
                    Components: *J R Preisig

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