The 2013 Ibiza Calibration Campaign of Jason-2 and SARAL Altimeters

被引：22

作者：

Frappart, F. ^{[1
,2
,3
]}

Roussel, N. ^{[1
,3
]}

Biancale, R. ^{[1
,3
,4
]}

Martinez Benjamin, J. J. ^{[5
]}

Mercier, F. ^{[1
,3
,4
]}

Perosanz, F. ^{[1
,3
,4
]}

Garate Pasquin, J. ^{[6
]}

Martin Davila, J. ^{[6
]}

Perez Gomez, B. ^{[7
]}

Gracia Gomez, C. ^{[5
]}

Lopez Bravo, R. ^{[5
]}

Tapia Gomez, A. ^{[5
]}

Gili Ripoll, J. ^{[5
]}

Hernandez Pajares, M. ^{[5
]}

Salazar Lino, M. ^{[8
]}

Bonnefond, P. ^{[9
]}

Valles Casanova, I. ^{[5
]}

机构：

[1] CNRS IRD UPS, Geosci Environm Toulouse, UMR5563, OMP, Toulouse, France

[2] CNES CNRS IRD UPS, Lab Etud Geophys & Oceanog Spatiales, OMP, UMR5566, Toulouse, France

[3] Grp Rech Geodesie Spatiale, Toulouse, France

[4] Ctr Natl Etud Spatiales, F-31055 Toulouse, France

[5] Tech Univ Catalonia UPC, Dept Geotech Engn & Geosci, Barcelona, Spain

[6] Real Inst & Observ Armada ROA, Cadiz, Spain

[7] Puertos Estado, Madrid, Spain

[8] Univ Porto, P-4100 Oporto, Portugal

[9] CNRS IRD UNS, Geoazur, OCA, Valbonne, France

来源：

MARINE GEODESY | 2015年 / 38卷

关键词：

satellite altimetry; calibration; GNSS buoys; tide gauge; SEA-LEVEL; GPS BUOY; SURFACE; TOPEX/POSEIDON; HARVEST; TOPEX;

D O I：

10.1080/01490419.2015.1008711

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

This study presents the results of the 2013 Ibiza (Western Mediterranean) calibration campaign of Jason-2 and SARAL altimeters. It took place from 14 to 16 September 2013 and comprised two phases: the calibration of the GNSS (Global Navigation Satellite System) buoys to estimate the antenna height of each of them and the absolute calibration to estimate the altimeter bias (i.e., the difference of sea level measured by radar altimetry and GNSS). The first one was achieved in the Ibiza harbor at a close vicinity of the Ibiza tide gauge and the second one was performed at approximate to 40km at the northwest of Ibiza Island at a crossover point of Jason-2 and SARAL nominal groundtracks. Five buoys were used to delineate the crossover region and their measurements interpolated at the exact location of each overflight. The overflights occurred two consecutive days: 15 and 16 September 2013 for Jason-2 and SARAL, respectively. The GNSS data were processed using precise point positioning technique. The biases found are of (-0.1 +/- 0.9) and (-3.1 +/- 1.5) cm for Jason-2 and SARAL, respectively.

引用

页码：219 / 232

页数：14

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