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Scientific Achievements, Applications,
and Future Requirements Session
Summaries
Session I: E. Pavlis and J. Garate
| Title of Paper |
Principal Author |
| The Global Geodetic Observing System (GGOS) in its Initial
Phase |
H. Drewes |
| A Multi Year SLR Solution |
H. Mueller |
| Processing 18.6 Years of Lageos Data |
J.-M. Lemoine |
| SLR Contributions in the Establishment of the Terrestrial Reference
Frame |
E. Pavlis |
| Long Term Monitoring of Geophysical Parameters Using SLR |
V. Luceri |
| Determination of EOP from Combination of SLR and VLBI Data
at the Observational Level |
N. Shuygina |
- The second half of the 1st session on Monday was dedicated to
Scientific Achievements, Applications and Future Requirements (Part
I)
- We had 5 Oral presentations and 10 Posters, with only a couple
of submitted papers not presented.
- GGOS is our new "target" for future scientific achievements,
as it outlines very clearly the role of LR within the gamut of
Geodetic technologies
- From the presentations of a number of ILRS Analysis and Combination
Centers we heard the state of the art in terms of primary, and
in some cases unique, products from LR.
- SLR in particular, provide now routinely (weekly), TRF products
with sub-cm accuracy, geocenter variations at mm-level, and temporal
variations in the low degree/order terms of the gravitational
field.
- Contribution
to combined gravity models
- EOP are provided weekly for daily averages
with an accuracy of ~250 µas
for the Pole and ~60 µts for LOD.
- The Poster contributions complemented the Oral session with
a number of diverse topics:
- the rich history of the ROA,
- the status of various missions (e.g.
ICESat)
- revival and upgrade of old systems (B-N@ROA)
- SLR positioning for
mobile and fixed systems
- SLR as a calibration tool for other techniques
- seasonal environmental
signals at LR sites
- ...
- The papers will be published in the proceedings, so please follow
the instructions to be disseminated, and submit your contributions
before the deadline.
Session II: B. Schutz and R. Biancale
| Title of Paper |
Principal Author |
| Combination of Space Geodesy Techniques for Monitoring the
Kinematics Of The Earth |
D. Coulot |
| Interannual and Annual Variations in the Geopotential Observed
Using SLR |
C. Cox |
| Atmospheric Loading "Blue-Sky" Effects on SLR Station Coordinates |
T. Otsubo |
| FTLRS Support to the Gavdos Project: Tracking and Positioning |
P. Berio |
| Precision Orbit Determination of Low Altitude Lunar Spacecraft
with Laser Systems |
D. Smith |
| Solar-System Dynamics and Tests of General Relativity with
Planetary Laser Ranging |
J. Chandler |
- Promising Earth kinematics results by combining SLR, DORIS, GPS
and VLBI. Work on the specific inclusion of VLBI and the weighting
among the techniques is an on-going effort
- Looking at low degree zonal
harmonics of the Earth’s gravity
field. Identifying inter-annual and annual variations and
considering their correlations
- Considering "blue-sky" and "starry" atmospheric
loading effects and how SLR results might be affected, vis-s-vis
the "other" techniques. Perhaps there is a 0.3
ppb effect
- Using the FTLRS to support the GAVDOS project by determining
altimeter biases, mean sea level and tectonic deformation from
JASON-1 data
- Proposing
the Use of Earth-based laser ranging in conjunction with
an orbiting altimeter for precision orbit determination and obtaining
a much improved lunar gravity field, accurate even on the lunar
far-side
- Interplanetary
ranging using optical transponders to investigate G-dot and
the Shapiro time delay. These are not possible in an Earth environment
Poster Session
| Title of Paper |
Principal Author |
| ROA: 250 years working in Astronomy and Geophysics (1753-2003)
(Poster) |
F.J. Gonzalez |
| ESA EO Envisat and Cryosat Missions Status (Poster) |
P. Féménias |
| NASA ICESat Mission Status (Poster) |
B. Schutz |
| The PASAGE Project. Astrometric Positioning of Geostacionary
Satellites (Poster) |
T.L. Moratalla |
| Determination of the Site Position at the SLR Tracking Station
(7824) at San Fernando, Spain (Poster) |
I. Vigo-Aguiar |
| FTLRS Positioning for the EU/NASA Altimeter Calibration Project
GAVDOS (Poster) |
E. Pavlis |
| Laser Ranging as a Precise Tool to Evaluate GNSS Orbital Solutions
(Poster) |
G. Appleby |
| Seasonal effects on Laser, GPS and absolute Gravimetry vertical
positioning at the OCA-CERGA geodetic station, Grasse (France)
(Poster) |
J. Nicolas |
| Earth Orientation Parameters from Satellite Laser Ranging (Poster) |
E. Pavlis |
| Time Series of Satellite Laser Ranging Station Position (Poster) |
D. Coulot |
| The Laser Orbital Perturbation (Poster) |
M. El-Saftawy |
| Proposed International Institute for Space Geodesy and Earth
Observation (Poster) |
L. Combrinck |
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