Precision Orbit Determination Standards for the Jason Series of Altimeter Missions

Cerri, Luca; Berthias, J. P.; Bertiger, Willy; Haines, Bruce; Lemoine, F. G.; Mercier, Florian; Ries, John; Willis, Pascal; Zelensky, N. P.; Ziebart, Marek

doi:10.1080/01490419.2010.488966

Cited by 128 publications

(58 citation statements)

References 65 publications

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“…The AOD1B products estimate high-frequency nontidal mass variations due to short-term (daily and subdaily) mass transport in the atmosphere and oceans, which, if not removed, can alias into monthly gravity solutions derived from such satellite gravity missions as CHAMP (CHAllenging Mini-Satellite Payload), GRACE or GRACE-Follow-On. Cerri et al (2010) studied the contribution of the atmospheric gravity for Jason-1 when using AOD1B and spherical harmonic decomposition of atmospheric pressure over land derived at National Centers for Environmental Prediction (NCEP) and found that the differences between the two are close to 1 mm root mean square (RMS).…”

Section: Introductionmentioning

confidence: 99%

Impact of Atmospheric and Oceanic De-aliasing Level-1B (AOD1B) products on precise orbits of altimetry satellites and altimetry results

Rudenko¹,

Dettmering

Esselborn³

et al. 2016

Geophys. J. Int.

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S U M M A R YWe have extended backwards from 2001 to 1979 the current release 05 (RL05) of the Gravity Recovery and Climate Experiment (GRACE) Atmospheric and Oceanic De-aliasing Level-1B (AOD1B) product and studied the impact of this and a previous release 04 (RL04) of the AOD1B product on precise orbits of five altimetry satellites (ERS-1, ERS-2, TOPEX/Poseidon, Envisat and Jason-1) for the time span 1991-2012, as compared to the case when no AOD1B product is used. We have found that using AOD1B RL05 product reduces root mean square (RMS) fits of satellite laser ranging (SLR) observations by about 1.0-6.4 per cent, 2-d arc overlaps in radial, cross-track and along-track directions by about 1.3-12.0, 0.3-10.0 and 2.0-10.0 per cent, respectively, for various satellites tested, as compared to the case without AOD1B product. Using AOD1B RL05 product instead of RL04 one reduces SLR RMS fits by 0.1-0.7 per cent, 2-d arc overlaps in radial, cross-track and along-track directions by 0.1-0.6, 0.1-1.3 and 0.2-1.2 per cent, respectively, for the satellite orbits tested. The multi-mission crossover analysis shows that the application of an AOD1B product reduces the scatter of radial errors by 0.4-2.8 per cent for the satellite missions studied. At the regions with the most pronounced changes the use of the AOD1B products improves the consistency between the sea level as measured by the TOPEX and ERS-2 missions and by the Jason-1 and Envisat missions by 5 to 10 per cent (globally by about 2 per cent). The results of our study show that extended AOD1B RL05 product performs better than the AOD1B RL04 and improves orbits of altimetry satellites and consistency of sea level products.

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Section: Introductionmentioning

confidence: 99%

Impact of Atmospheric and Oceanic De-aliasing Level-1B (AOD1B) products on precise orbits of altimetry satellites and altimetry results

Rudenko¹,

Dettmering

Esselborn³

et al. 2016

Geophys. J. Int.

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“…This method has been successfully demonstrated recently for the period 2002 -2012. Time variable Earth gravity field models have a strong impact on the orbit estimation for altimetry satellites and thereby on the computation of regional mean sea level trends using such orbits. In this context, Ollivier et al (2012) point to significant East-West differences for the regional mean sea level (MSL) trends computed using Envisat (the Environmental Satellite) and Jason-1 orbits for the period 2002 -2012 but based on two versions of geophysical data records (GDR) POD standards, namely GDR-C (Cerri et al, 2010) and GDR-D (OSTM/Jason-2 Products Handbook, 2011). Since these POD standards differ by the inclusion of drift terms in the geopotential models, but also by the reference frame realizations -ITRF2005 (Altamimi et al, 2007) and ITRF2008 (Altamimi et al, 2011)-and other models, it is difficult to address the source of the observed East-West differences in the regional sea level trends.…”

Section: Introductionmentioning

confidence: 99%

“…We perform our analysis for a longer time span (1991 -2011) and, besides Envisat, include orbits of three other satellites (the European Remote Sensing Satellites ERS-1 and ERS-2 and Ocean TOPography Experiment (TOPEX)/Poseidon, Fu et al (1994)). The first of the geopotential models used is EIGEN-GL04S which is based on two years of GRACE and LAGEOS data and which was used as a background model to compute the GDR-C orbits for Jason-1/2 and Envisat (Cerri et al, 2010) and the REAPER orbits (Rudenko et al, 2012) of ERS-1 and ERS-2. This model containing no drift terms for the geopotential coefficients has been chosen as a benchmark in our study.…”

Section: Introductionmentioning

confidence: 99%

Influence of time variable geopotential models on precise orbits of altimetry satellites, global and regional mean sea level trends

Rudenko

Dettmering²,

Esselborn

et al. 2014

Advances in Space Research

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“…A radial accuracy of these orbits is 1.5 to 2.0 cm. This resulted in the creation of a new version of the geophysical data records (GDR) standards, namely, GDR-C standards [10] based on the IERS Conventions 2003, ITRF2005 terrestrial reference frame, EIGEN-GL04S [23] geopotential model, and other models.…”

mentioning

confidence: 99%

Improvements in Precise Orbits of Altimetry Satellites and Their Impact on Mean Sea Level Monitoring

Rudenko

Neumayer

Dettmering

et al. 2017

IEEE Trans. Geosci. Remote Sensing

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Abstract-New, precise, consistent orbits (VER11) of altimetry satellites ERS-1, ERS-2, TOPEX/Poseidon, Envisat, Jason-1 and Jason-2 have been recently derived at GFZ German Research Centre for Geosciences in the extended ITRF2008 terrestrial reference frame using improved models and covering the time span 1991-2015. These orbits show improved quality, as compared to GFZ previous (VER6) orbits derived in 2013. Improved macromodels reduce root mean square (RMS) fits of satellite laser ranging (SLR) observations by 2.6, 6.9 and 7.0% for TOPEX/Poseidon, Jason-1 and Jason-2, respectively. Applying Vienna Mapping Functions 1 instead of Hopfield model for tropospheric correction of Doppler Orbitography and Radiopositioning Integrated by Satellite (DORIS) observations reduces RMS fits of SLR observations by 2.0-2.4% and those of DORIS observations by 2.6% for Envisat and Jason satellites. Using satellite true attitude instead of models improves Jason-1 SLR RMS fits by 41% from July 2012 until July 2013. The VER11 orbits indicate the mean values of the SLR RMS fits between 1.2 and 2.1 cm for the different missions. The internal orbit consistency in the radial direction is between 0.5 and 1.9 cm. The global mean sea level trend for the period 1993 to 2014 from TOPEX, Jason-1 and Jason-2 is increased by 0.2 mm/year to 3.0 mm/year from the GFZ VER6 to VER11 orbits. Regionally, the decadal trends from GFZ VER11 and external orbits vary in the order of 1 mm/year.

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Precision Orbit Determination Standards for the Jason Series of Altimeter Missions

Cited by 128 publications

References 65 publications

Impact of Atmospheric and Oceanic De-aliasing Level-1B (AOD1B) products on precise orbits of altimetry satellites and altimetry results

Impact of Atmospheric and Oceanic De-aliasing Level-1B (AOD1B) products on precise orbits of altimetry satellites and altimetry results

Influence of time variable geopotential models on precise orbits of altimetry satellites, global and regional mean sea level trends

Improvements in Precise Orbits of Altimetry Satellites and Their Impact on Mean Sea Level Monitoring

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