Geodesy has undergone technological and theoretical changes of immense proportions since the launching of Sputnik. The accuracy of current satellite geodetic data has approached the centimeter level and will improve by one or two orders of magnitude over the next decade. This bodes well for the application of geodetic data to the solution of problems in solid earth, oceanic and atmospheric sciences. The report Geodesy in the Year 2000 addresses many areas of investigation that will benefit from this improvement in accuracy.
- Geodesy in the Year 2000
- Copyright
- PREFACE
- CONTENTS
- OVERVIEW AND RECOMMENDATIONS
- RECOMMENDATIONS
- NOTE
- REFERENCES
- CONTRIBUTED PAPERS
- Geodesy in the Year 2000: An Historical Perspective
- INTRODUCTION: GEODESY IN THE YEAR 1900
- CURRENT PROBLEMS: APPROACHING THE YEAR 2000
- ACKNOWLEDGEMENTS
- REFERENCES
- Implications of Precise Positioning
- INTRODUCTION
- CRUSTAL MOTIONS AND DEFORMATIONS
- TYPES OF GEODETIC SIGNALS AND MEASUREMENT TECHNIQUES
- EXTRAPOLATION TO GEOLOGIC CONTEXT
- EMERGING LINES AND FUTURE DIRECTIONS
- CONCLUSIONS AND RECOMMENDATIONS
- REFERENCES
- If Only We Had Better Gravity Data…
- INTRODUCTION
- OCEANIC LITHOSPHERE
- CONTINENTAL LITHOSPHERE
- THE MANTLE
- TEMPORAL VARIATIONS IN GRAVITY
- IMPLEMENTATION STRATEGY
- ACKNOWLEDGEMENT
- REFERENCES
- Common Interests in Geodetic and Oceanographic Research
- INTRODUCTION
- GEOID AT FIXED TIME VS TIME AVERAGED CIRCULATION
- GEODETIC REFERENCE FRAMES AND THE POSITION OF TIDE STATIONS AND ALTIMETRIC SATELLITES
- TIME VARYING MEAN SEA SURFACE VS TIME VARYING GEOID
- ACKNOWLEDGEMENTS
- REFERENCES
- Lasers for Geodesy in the Year 2000
- INTRODUCTION
- TECHNOLOGY DEVELOPMENTS
- GROUND-BASED LASER RANGING
- SPACE-BASED LASER RANGING
- LASER ALTIMETRY
- CONCLUSIONS (PREDICTIONS)
- ACKNOWLEDGEMENTS
- REFERENCES
- Seafloor Geodesy by the Year 2000
- INTRODUCTION
- TECHNOLOGY
- INITIAL OPERATIONS
- PROGRAMMATIC CONSIDERATIONS
- CONCLUSION AND ACKNOWLEDGEMENTS
- REFERENCES
- The Accuracy of Position Determinations by VLBI Expected by the Year 2000
- INTRODUCTION
- SUMMARY
- ACKNOWLEDGEMENT
- REFERENCES
- GPS-Based Geodesy Tracking: Technology Prospects for the Year 2000
- INTRODUCTION
- PROSPECTS FOR MILLIMETER ACCURACIES IN GPS-BASED GEODESY
- PROPAGATION MEDIA
- ANTENNA MULTIPATH
- ANTENNA PHASE CENTER VARIABILITY
- PROSPECTS FOR LOW COST GPS SYSTEMS
- FUTURE APPLICATIONS OF GPS IN GEODESY AND SATELLITE TRACKING
- SUMMARY
- ACKNOWLEDGEMENTS
- REFERENCES
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