Earth Observation with CHAMP: Results from Three Years in Orbit

Ice Mass Balance and Antarctic Gravity Change: Satellite and Terrestrial Perspectives....Pages 3-12
Gravity Model TUM-2Sp Based on the Energy Balance Approach and Kinematic CHAMP Orbits....Pages 13-18
On the Contribution of CHAMP to Temporal Gravity Field Variation Studies....Pages 19-24
Earth Gravity Field and Seasonal Variability from CHAMP....Pages 25-30
Comparison of Superconducting Gravimeter and CHAMP Satellite Derived Temporal Gravity Variations....Pages 31-36
Improvements in Arctic Gravity and Geoid from CHAMP and GRACE: An Evaluation....Pages 37-46
Evaluation of Gravity Data by EIGEN-2 (CHAMP-only) Model in China....Pages 47-52
Energy Balance Relations for Validation of Gravity Field Models and Orbit Determinations Applied to the CHAMP Mission....Pages 53-58
Evaluation of Terrestrial Gravity Data by Independent Global Gravity Field Models....Pages 59-64
Recent Developments in CHAMP Orbit Determination at GFZ....Pages 65-70
On Calibrating the CHAMP On-Board Accelerometer and Attitude Quaternion Processing....Pages 71-76
Evaluation of the CHAMP Accelerometer on Two Years of Mission....Pages 77-82
A New Method to Detect and Estimate CHAMP Clock Bias Change Cycle Slip....Pages 83-88
Comparison of Different Stochastic Orbit Modeling Techniques....Pages 89-94
Determination of Non-Conservative Accelerations from Orbit Analysis....Pages 95-100
CHAMP and Resonances....Pages 101-107
CHAMP Gravity Field Solutions and Geophysical Constraint Studies....Pages 108-114
Application of Eigenvalue Decomposition in the Parallel Computation of a CHAMP 100x100 Gravity Field....Pages 115-120
Time-Variable Gravity Seen by Satellite Missions: On its Sampling and its Parametrization....Pages 121-126
Gravity Field Recovery by Analysis of Short Arcs of CHAMP....Pages 127-132
Statistical Assessment of CHAMP Data and Models Using the Energy Balance Approach....Pages 133-138
Multiscale Geopotential Solutions from CHAMP Orbits and Accelerometry....Pages 139-144
Multiscale Modeling from EIGEN-1S, EIGEN-2, EIGEN-GRACE01S, UCPH2002_0.5, EGM96....Pages 145-150
A Comparison of Various Procedures for Global Gravity Field Recovery from CHAMP Orbits....Pages 151-156
Precise Orbit Determination for CHAMP Using an Efficient Kinematic and Reduced-Dynamic Procedure....Pages 157-162
On Bias and Scale and Thrust Factors for CHAMP Accelerometry....Pages 163-168
CHAMP Accelerometer Preprocessing at GeoForschungsZentrum Potsdam....Pages 169-174
CHAMP Clock Characterization Revisited....Pages 175-180
How Baltic Sea Water Mass Variations Mask the Postglacial Rebound Signal in CHAMP and GRACE Gravity Field Solutions....Pages 181-186
The Impact of the New CHAMP and GRACE Gravity Models on the Measurement of the General Relativistic Lense-Thirring Effect....Pages 187-192
Recovery of Isostatic Topography over North America from Topographic and CHAMP Gravity Correlations....Pages 193-198
Dynamic Topography as Reflected in the Global Gravity Field....Pages 199-204
Impact of the CHAMP Mission on Estimating the Mean Sea Surface....Pages 205-210
Improved Estimates of the Oceanic Circulation Using the CHAMP Geoid....Pages 211-216
Contemporary Changes in the Geoid About Greenland: Predictions Relevant to Gravity Space Missions....Pages 217-222
Mantle Viscosity and S-Wave to Density Conversion Profiles using CHAMP Geoid Data....Pages 223-229
Regional Geoid Undulations from CHAMP, Represented by Locally Supported Basis Functions....Pages 230-236
Ionospheric Plasma Effects for Geomagnetic LEO Missions at Mid- and Low-Latitudes....Pages 239-248
Interpretation of CHAMP Crustal Field Anomaly Maps Using Geographical Information System (GIS) Technique....Pages 249-254
Magnetic Crustal Thickness in Greenland from CHAMP and Ørsted Data....Pages 255-260
CHAMP Magnetic Anomalies of the Antarctic Crust....Pages 261-266
Magnetic Petrology Database for Interpretation Satellite Magnetic Anomalies....Pages 267-272
Balloon Geomagnetic Survey at Stratospheric Altitudes....Pages 273-278
Effect of Varying Crustal Thickness on CHAMP Geopotential Data....Pages 279-286
Reliability of CHAMP Anomaly Continuations....Pages 287-292
Introducing POMME, the POtsdam Magnetic Model of the Earth....Pages 293-298
Alternative Parameterisations of the External Magnetic Field and its Induced Counterpart for 2001 and 2002 Using Ørsted, Champ and Observatory Data....Pages 299-304
New Insight into Secular Variation Between MAGSAT and CHAMP/ØRSTED....Pages 305-310
Time Structure of the 1991 Magnetic Jerk in the Core-Mantle Boundary Zone by Inverting Global Magnetic Data Supported by Satellite Measurements....Pages 311-316
Use of Champ Magnetic Data to Improve the Antarctic Geomagnetic Reference Model....Pages 317-322
Secular Variation of the Geomagnetic Field from Satellite Data....Pages 323-328
The Spectrum of the Magnetic Secular Variation....Pages 329-334
Geomagnetic Induction Modeling Based on CHAMP Magnetic Vector Data....Pages 335-340
Electromagnetic Induction by Sq Ionospheric Currents in a Heterogeneous Earth: Modeling Using Ground-based and Satellite Measurements....Pages 341-346
Wavelet Analysis of CHAMP Flux Gate Magnetometer Data....Pages 347-352
Modelling the Ocean Effect of Geomagnetic Storms at Ground and Satellite Altitude....Pages 353-358
3-D Modelling of the Magnetic Fields Due to Ocean Tidal Flow....Pages 359-365
The Enhancement of the Thermospheric Density During the Sept. 25–26, 2001 Magnetic Storm....Pages 366-370
On the Modelling of Field-Aligned Currents from Magnetic Observations by Polar Orbiting Satellites....Pages 371-374
The Low-Altitude Cusp: Multi-Point Observations During the February 2002 SIRCUS Campaign....Pages 375-380
Detection of Intense Fine-Scale Field-Aligned Current Structures in the Cusp Region....Pages 381-388
A Comparative Study of Geomagnetic Pi2 Pulsations Observed by CHAMP and on the Ground....Pages 389-394
ULF Wave Magnetic Measurements by CHAMP Satellite and SEGMA Ground Magnetometer Array: Case Study of July 6, 2002....Pages 395-400
Classes of the Equatorial Electrojet....Pages 401-406
The ESPERIA Project: a Mission to Investigate the near-Earth Space....Pages 407-412
Status of the CHAMP ME Data Processing....Pages 413-418
Atmospheric and Ocean Sensing with GNSS....Pages 421-430
Amplitude Variations in CHAMP Radio Occultation Signal as an Indicator of the Ionospheric Activity....Pages 431-440
About the Potential of GPS Radio Occultation Measurements for Exploring the Ionosphere....Pages 441-446
Validation of GPS Ionospheric Radio Occultation results onboard CHAMP by Vertical Sounding Observations in Europe....Pages 447-452
Ionospheric Tomography with GPS Data from CHAMP and SAC-C....Pages 453-458
Topside Plasma Scale Height Modelling Based on CHAMP Measurements: First Results....Pages 459-464
Differential Code Bias of GPS Receivers in Low Earth Orbit: An Assessment for CHAMP and SAC-C....Pages 465-470
Ionosphere/Plasmasphere Imaging Based on GPS Navigation Measurements from CHAMP and SAC-C....Pages 471-476
Three-Dimensional Monitoring of the Polar Ionosphere with Ground- and Space-Based GPS....Pages 477-482
Comparison of Electron Density Profiles from CHAMP Data with NeQuick Model....Pages 483-488
Model for Short-term Atmospheric Density Variations....Pages 489-494
Atmospheric Profiling with CHAMP: Status of the Operational Data Analysis, Validation of the Recent Data Products and Future Prospects....Pages 495-500
Simulated Temperature and Water Vapor Retrieval from Bending Angles and Refractivity Measurements using an Optimal Estimation Approach....Pages 501-506
An Analysis of the Lower Tropospheric Refractivity Bias by Heuristic Sliding Spectral Methods....Pages 507-512
Diffractive Integrals for Bistatic Remote Sensing Using GPS Signals....Pages 513-518
Canonical Transform Methods for Analysis of Radio Occultations....Pages 519-524
GPS Radio Occultation with CHAMP: Comparison of Atmospheric Profiles from GFZ Potsdam and IGAM Graz....Pages 525-530
Evaluation of Stratospheric Radio Occultation Retrieval Using Data from CHAMP, MIPAS, GOMOS, and ECMWF Analysis Fields....Pages 531-536
Derivation of the Water Vapor Content from the GNSS Radio Occultation Observations....Pages 537-542
Processing of CHAMP Radio Occultation Data Using GRAS SAF Software....Pages 543-548
Gravity Wave "Portrait" Reconstructed by Radio Holographic Analysis of the Amplitude of GPS Radio Occultation Signals....Pages 549-554
Global Analysis of Stratospheric Gravity Wave Activity Using CHAMP Radio Occultation Temperatures....Pages 555-560
Tropical Tropopause Characteristics from CHAMP....Pages 561-566
Comparisons of MIPAS/ENVISAT and GPS-RO/CHAMP Temperatures....Pages 567-572
Comparison of GPS/SAC-C and MIPAS/ENVISAT Temperature Profiles and Its Possible Implementation for EOS MLS Observations....Pages 573-578
Structure and Variability of the Tropopause Obtained from CHAMP Radio Occultation Temperature Profiles....Pages 579-584
An Assessment of an Ionospheric GPS Data Assimilation Process....Pages 585-590
The Continuous Wavelet Transform, a Valuable Analysis Tool to Detect Atmospheric and Ionospheric Signatures in GPS Radio Occultation Phase Delay Data....Pages 591-596
The CHAMP Atmospheric Processing System for Radio Occultation Measurements....Pages 597-602
Potential Contribution of CHAMP Occultation to Pressure Field Improvement for Gravity Recovery....Pages 603-608
Analysis of Gravity Wave Variability from SAC-C and CHAMP Occultation Profiles between June 2001 and March 2003....Pages 609-614
The CHAMPCLIM Project: An Overview....Pages 615-620