Altimetry for the future: Building on 25 years of progress

Published: 2021-03-23
Venue: Advances in Space Research, vol. 68, no. 2, pp. 319-363
Cited by: 311
Open access: Yes, hybrid
DOI: 10.1016/j.asr.2021.01.022

Abstract

In 2018 we celebrated 25 years of development of radar altimetry, and the progress achieved by this methodology in the fields of global and coastal oceanography, hydrology, geodesy and cryospheric sciences. Many symbolic major events have celebrated these developments, e.g., in Venice, Italy, the 15th (2006) and 20th (2012) years of progress and more recently, in 2018, in Ponta Delgada, Portugal, 25 Years of Progress in Radar Altimetry. On this latter occasion it was decided to collect contributions of scientists, engineers and managers involved in the worldwide altimetry community to depict the state of altimetry and propose recommendations for the altimetry of the future. This paper summarizes contributions and recommendations that were collected and provides guidance for future mission design, research activities, and sustainable operational radar altimetry data exploitation. Recommendations provided are fundamental for optimizing further scientific and operational advances of oceanographic observations by altimetry, including requirements for spatial and temporal resolution of altimetric measurements, their accuracy and continuity. There are also new challenges and new openings mentioned in the paper that are particularly crucial for observations at higher latitudes, for coastal oceanography, for cryospheric studies and for hydrology. The paper starts with a general introduction followed by a section on Earth System Science including Ocean Dynamics, Sea Level, the Coastal Ocean, Hydrology, the Cryosphere and Polar Oceans and the “Green” Ocean, extending the frontier from biogeochemistry to marine ecology. Applications are described in a subsequent section, which covers Operational Oceanography, Weather, Hurricane Wave and Wind Forecasting, Climate projection. Instruments’ development and satellite missions’ evolutions are described in a fourth section. A fifth section covers the key observations that altimeters provide and their potential complements, from other Earth observation measurements to in situ data. Section 6 identifies the data and methods and provides some accuracy and resolution requirements for the wet tropospheric correction, the orbit and other geodetic requirements, the Mean Sea Surface, Geoid and Mean Dynamic Topography, Calibration and Validation, data accuracy, data access and handling (including the DUACS system). Section 7 brings a transversal view on scales, integration, artificial intelligence, and capacity building (education and training). Section 8 reviews the programmatic issues followed by a conclusion.

Abstract

@article{abdalla2021altimetry, title = {{Altimetry for the future: Building on 25 years of progress}}, author = {Saleh Abdalla and Abdolnabi Abdeh Kolahchi and Michäel Ablain and Susheel Adusumilli and Suchandra Aich Bhowmick and Eva Alou‐Font and L. Amarouche and Ole Baltazar Andersen and Helena Antich and Lotfi Aouf and Brian K. Arbic and Thomas W. K. Armitage and Sabine Arnault and Camila Artana and Giuseppe Aulicino and Nadia Karin Ayoub and Sergei Ilyich Badulin and Steven G. Baker and Chris Banks and Lifeng Bao and Silvia Barbetta and Bàrbara Barceló‐Llull and F. Barlier and Sujit Basu and Peter Bauer‐Gottwein and Matthias Becker and B. D. Beckley and Nicole Bellefond and Т. В. Белоненко and Mounir Benkiran and Touati Benkouider and Ralf Bennartz and Jérôme Benveniste and Nicolas Bercher and Muriel Bergé‐Nguyen and João Horta Bettencourt and Fabien Blarel and Alejandro Blazquez and Denis Blumstein and Pascal Bonnefond and Franck Borde and Jérôme Bouffard and François Boy and Jean‐Paul Boy and C. Brachet and Pierre P. Brasseur and Alexander Braun and Luca Brocca and David Brockley and Laurent Brodeau and Shannon Brown and Sean Bruinsma and Anna Bulczak and Sammie Buzzard and Madeleine L. Cahill and Stéphane Calmant and Michel Calzas and Stefania Camici and Mathilde Cancet and Hugues Capdeville and C. C. Carabajal and Loren Carrère and Anny Cazenave and Eric P. Chassignet and Prakash Chauhan and S. Cherchali and T. K. Chereskin and Cécile Cheymol and Daniele Ciani and Paolo Cipollini and Francesca Cirillo and Emmanuel Cosme and Stephen Coss and Yuri Cotroneo and David P. Cotton and Alexandre Couhert and Sophie Coutin-Faye and Jean‐François Crétaux and Frédéric Cyr and Francesco d’Ovidio and José Darrozes and Cédric David and Nadim Dayoub and Danielle De Staerke and Xiaoli Deng and SHAILEN D. DESAI and Jean-Damien Desjonquères and Denise Dettmering and Alessandro Di Bella and Lara Díaz‐Barroso and Gérald Dibarboure and H. B. Dieng and Salvatore Dinardo and Henryk Dobslaw and Guillaume Dodet and Andrea Michelangelo Doglioli and Alessio Domeneghetti and David R. Donahue and Shenfu Dong and Craig James Donlon and J. Dorandeu and C. Drezen and Mark R. Drinkwater and Yves du Penhoat and Brian Dushaw and Alejandro Egido and Svetlana Erofeeva and Philippe Escudier and Saskia Esselborn and P. Exertier and Ronan Fablet and Cédric Falco and Sinead Louise Farrell and Yannice Faugère and Pierre Féménias and Luciana Fenoglio-Marc and Joana Fernandes and Juan Gabriel Fernández and Pascale Ferrage and Ramiro Ferrari and FICHEN Lionel and Paolo Filippucci and Stylianos Flampouris and Sara Fleury and Marco Fornari and Rene Forsberg and Frédéric Frappart and Marie‐Laure Frery and Pablo Nilo García and Albert García-Mondéjar and Julia Gaudelli and Lucile Gaultier and Augusto Getirana and F. Gibert and Artur Gil and Lin Gilbert and Sarah T. Gille and Luisella Giulicchi and Jesús Gómez-Enri and Laura Gómez Navarro and Christine P. Gommenginger and Lionel Gourdeau and David A. Griffin and Andreas Groh and Alexandre Guerin and Raúl Alberto Guerrero and Thierry Guinle and Praveen Gupta and Benjamin Daniel Gutknecht and Mathieu Hamon and Guoqi Han and Danièle Hauser and Veit Helm and Stefan Hendricks and Fabrice Hernández and Anna E. Hogg and Martin Horwath and Martina Idžanović and Peter A. E. M. Janssen and E. Jeansou and Yongjun Jia and Yuanyuan Jia and Liguang Jiang and Johnny A. Johannessen and Masafumi Kamachi and Svetlana Karimova and Kathryn A. Kelly and Sung Yong Kim and Robert R. King and Cécile Marie Margaretha Kittel and Patrice Klein and Anna Kłos and Per Knudsen and Rolf Koenig and Andrey Kostianoy and Alexei V. Kouraev and Raj Kumar and S. Labroue and L. Lago and Juliette Lambin and Léa Lasson and O. Laurain and Sabrina Speich and Clara Lázaro and Sophie Le Gac and Julien Le Sommer and Pierre‐Yves Le Traon and Sergey Lebedev and Fabien Léger and Benoı̂t Legrésy and F. G. Lemoine and Luc Lenain and E. W. Leuliette and Marina Lévy and John Lillibridge and Jian-Qiang Liu and William Llovel and Florent Lyard and C. R. MacIntosh and E. Varona and Cécile Manfredi and Frédéric Marin and Evan Mason and Christian Massari and Constantin Mavrocordatos and Nikolai Maximenko and Malcolm McMillan and Thierry Medina and Angélique Melet and Marco Meloni and Stelios P. Mertikas and Sammy Metref and Benoît Meyssignac and Jean‐François Minster and Thomas Moreau and Daniel Medeiros Moreira and Yves G. Morel and Rosemary Anne Morrow and John Moyard and Sandrine Mulet and Marc C. Naeije and R. S. Nerem and Hans Ngodock and Karina Nielsen and Jan Even Øie Nilsen and Florence Birol and Carolina Nogueira Loddo and Camille Noûs and E. Obligis and Inès Otosaka and Michiel Otten and Berguzar Oztunali Ozbahceci and Roshin Pappukutty Raj and Rodrigo Cauduro Dias de Paiva and Guillermina F. Paniagua and Fernando S. Paolo and Adrien Paris and Ananda Pascual and Marcello Passaro and Stephan Paul and Tamlin M. Pavelsky and Christopher Pearson and Thierry Penduff and Fukai Peng and F. Pérosanz and Nicolas Picot and Fanny Piras and Valerio Poggiali and Étienne Poirier and Sonia Ponce de León and Sergey V. Prants and Catherine Prigent and Christine Provost and Marie–Isabelle Pujol and Bo Qiu and Yves Quilfen and Ali Rami and R. Keith Raney and Matthias Raynal and Elisabeth Rémy and Frédérique Rémy and Marco Restano and Annie Richardson and Donald Richardson and Robert Ricker and M. Ricko and Eero Rinne and Stine Kildegaard Rose and Vinca Rosmorduc and Sergei Rudenko and Simón Ruíz and Barbara J. Ryan and Corinne Salaün and Antonio Sánchez‐Román and Louise Sandberg Sørensen and David T. Sandwell and Martín Saraceno and Michele Scagliola and Philippe Schaeffer and Martin G. Scharffenberg and Remko Scharroo and Andreas U. Schiller and Raphael Johannes Maria Schneider and Christian Schwatke and Andrea Scozzari and Enrico Ser‐Giacomi and F. Seyler and Rashmi Shah and Rashmi Sharma and Andrew G. P. Shaw and Andrew P. Shepherd and Jay F. Shriver and C. K. Shum and Wim Simons and Sebastian Bjerregaaard Simonsen and Thomas Slater and Walter Smith and S. M. Soares and Mikhail A. Sokolovskiy and Laurent Soudarin and Ciprian Spatar and Sabrina Speich and Margaret Srinivasan and Meric A. Srokosz and Emil Vassilev Stanev and Joanna V. Staneva and N. Steunou and Julienne Christine Stroeve and Zhongbo Su and Yohanes Budi Sulistioadi and Debadatta Swain and Annick Sylvestre‐Baron and Nicolas Taburet and Rémi Tailleux and Katsumi Takayama and Byron D. Tapley and Angelica Tarpanelli and Gilles Tavernier and Laurent Testut and Praveen K. Thakur and Pierre Thibaut and LuAnne Thompson and Joaquı́n Tintoré and C. Tison and C. Tourain and J. Tournadre and Bill Townsend and Ngan Tran and Sébastien Trilles and Michel C. Tsamados and Kuo‐Hsin Tseng and Clément Ubelmann and Bernd Uebbing and Oscar Vergara and Jacques Verron and Telmo Vieira and Stefano Vignudelli and Nadya T. Vinogradova and Pieter N. A. M. Visser and Frédéric Vivier and Denis L. Volkov and Karina von Schuckmann and V. S. Vuglinskii and Pierrik Vuilleumier and Blake A. Walter and Jida Wang and Chao Wang and Christopher Stephen Watson and John Wilkin and Josh K. Willis and Hilary K. Wilson and Philip Leslie Woodworth and Kehan Yang and Fangfang Yao and Raymond Zaharia and Захарова Елена Анатольевна and Edward D. Zaron and Yong-Sheng Zhang and Zhongxiang Zhao and Vadim Zinchenko and Victor Zlotnicki}, journal = {Advances in Space Research}, year = {2021}, volume = {68}, number = {2}, pages = {319--363}, doi = {10.1016/j.asr.2021.01.022}, url = {https://doi.org/10.1016/j.asr.2021.01.022} }

TY - JOUR AU - Abdalla, Saleh AU - Kolahchi, Abdolnabi Abdeh AU - Ablain, Michäel AU - Adusumilli, Susheel AU - Bhowmick, Suchandra Aich AU - Alou‐Font, Eva AU - Amarouche, L. AU - Andersen, Ole Baltazar AU - Antich, Helena AU - Aouf, Lotfi AU - Arbic, Brian K. AU - Armitage, Thomas W. K. AU - Arnault, Sabine AU - Artana, Camila AU - Aulicino, Giuseppe AU - Ayoub, Nadia Karin AU - Badulin, Sergei Ilyich AU - Baker, Steven G. AU - Banks, Chris AU - Bao, Lifeng AU - Barbetta, Silvia AU - Barceló‐Llull, Bàrbara AU - Barlier, F. AU - Basu, Sujit AU - Bauer‐Gottwein, Peter AU - Becker, Matthias AU - Beckley, B. D. AU - Bellefond, Nicole AU - Белоненко, Т. В. AU - Benkiran, Mounir AU - Benkouider, Touati AU - Bennartz, Ralf AU - Benveniste, Jérôme AU - Bercher, Nicolas AU - Bergé‐Nguyen, Muriel AU - Bettencourt, João Horta AU - Blarel, Fabien AU - Blazquez, Alejandro AU - Blumstein, Denis AU - Bonnefond, Pascal AU - Borde, Franck AU - Bouffard, Jérôme AU - Boy, François AU - Boy, Jean‐Paul AU - Brachet, C. AU - Brasseur, Pierre P. AU - Braun, Alexander AU - Brocca, Luca AU - Brockley, David AU - Brodeau, Laurent AU - Brown, Shannon AU - Bruinsma, Sean AU - Bulczak, Anna AU - Buzzard, Sammie AU - Cahill, Madeleine L. AU - Calmant, Stéphane AU - Calzas, Michel AU - Camici, Stefania AU - Cancet, Mathilde AU - Capdeville, Hugues AU - Carabajal, C. C. AU - Carrère, Loren AU - Cazenave, Anny AU - Chassignet, Eric P. AU - Chauhan, Prakash AU - Cherchali, S. AU - Chereskin, T. K. AU - Cheymol, Cécile AU - Ciani, Daniele AU - Cipollini, Paolo AU - Cirillo, Francesca AU - Cosme, Emmanuel AU - Coss, Stephen AU - Cotroneo, Yuri AU - Cotton, David P. AU - Couhert, Alexandre AU - Coutin-Faye, Sophie AU - Crétaux, Jean‐François AU - Cyr, Frédéric AU - d’Ovidio, Francesco AU - Darrozes, José AU - David, Cédric AU - Dayoub, Nadim AU - Staerke, Danielle De AU - Deng, Xiaoli AU - DESAI, SHAILEN D. AU - Desjonquères, Jean-Damien AU - Dettmering, Denise AU - Bella, Alessandro Di AU - Díaz‐Barroso, Lara AU - Dibarboure, Gérald AU - Dieng, H. B. AU - Dinardo, Salvatore AU - Dobslaw, Henryk AU - Dodet, Guillaume AU - Doglioli, Andrea Michelangelo AU - Domeneghetti, Alessio AU - Donahue, David R. AU - Dong, Shenfu AU - Donlon, Craig James AU - Dorandeu, J. AU - Drezen, C. AU - Drinkwater, Mark R. AU - Penhoat, Yves du AU - Dushaw, Brian AU - Egido, Alejandro AU - Erofeeva, Svetlana AU - Escudier, Philippe AU - Esselborn, Saskia AU - Exertier, P. AU - Fablet, Ronan AU - Falco, Cédric AU - Farrell, Sinead Louise AU - Faugère, Yannice AU - Féménias, Pierre AU - Fenoglio-Marc, Luciana AU - Fernandes, Joana AU - Fernández, Juan Gabriel AU - Ferrage, Pascale AU - Ferrari, Ramiro AU - Lionel, FICHEN AU - Filippucci, Paolo AU - Flampouris, Stylianos AU - Fleury, Sara AU - Fornari, Marco AU - Forsberg, Rene AU - Frappart, Frédéric AU - Frery, Marie‐Laure AU - García, Pablo Nilo AU - García-Mondéjar, Albert AU - Gaudelli, Julia AU - Gaultier, Lucile AU - Getirana, Augusto AU - Gibert, F. AU - Gil, Artur AU - Gilbert, Lin AU - Gille, Sarah T. AU - Giulicchi, Luisella AU - Gómez-Enri, Jesús AU - Navarro, Laura Gómez AU - Gommenginger, Christine P. AU - Gourdeau, Lionel AU - Griffin, David A. AU - Groh, Andreas AU - Guerin, Alexandre AU - Guerrero, Raúl Alberto AU - Guinle, Thierry AU - Gupta, Praveen AU - Gutknecht, Benjamin Daniel AU - Hamon, Mathieu AU - Han, Guoqi AU - Hauser, Danièle AU - Helm, Veit AU - Hendricks, Stefan AU - Hernández, Fabrice AU - Hogg, Anna E. AU - Horwath, Martin AU - Idžanović, Martina AU - Janssen, Peter A. E. M. AU - Jeansou, E. AU - Jia, Yongjun AU - Jia, Yuanyuan AU - Jiang, Liguang AU - Johannessen, Johnny A. AU - Kamachi, Masafumi AU - Karimova, Svetlana AU - Kelly, Kathryn A. AU - Kim, Sung Yong AU - King, Robert R. AU - Kittel, Cécile Marie Margaretha AU - Klein, Patrice AU - Kłos, Anna AU - Knudsen, Per AU - Koenig, Rolf AU - Kostianoy, Andrey AU - Kouraev, Alexei V. AU - Kumar, Raj AU - Labroue, S. AU - Lago, L. AU - Lambin, Juliette AU - Lasson, Léa AU - Laurain, O. AU - Speich, Sabrina AU - Lázaro, Clara AU - Gac, Sophie Le AU - Sommer, Julien Le AU - Traon, Pierre‐Yves Le AU - Lebedev, Sergey AU - Léger, Fabien AU - Legrésy, Benoı̂t AU - Lemoine, F. G. AU - Lenain, Luc AU - Leuliette, E. W. AU - Lévy, Marina AU - Lillibridge, John AU - Liu, Jian-Qiang AU - Llovel, William AU - Lyard, Florent AU - MacIntosh, C. R. AU - Varona, E. AU - Manfredi, Cécile AU - Marin, Frédéric AU - Mason, Evan AU - Massari, Christian AU - Mavrocordatos, Constantin AU - Maximenko, Nikolai AU - McMillan, Malcolm AU - Medina, Thierry AU - Melet, Angélique AU - Meloni, Marco AU - Mertikas, Stelios P. AU - Metref, Sammy AU - Meyssignac, Benoît AU - Minster, Jean‐François AU - Moreau, Thomas AU - Moreira, Daniel Medeiros AU - Morel, Yves G. AU - Morrow, Rosemary Anne AU - Moyard, John AU - Mulet, Sandrine AU - Naeije, Marc C. AU - Nerem, R. S. AU - Ngodock, Hans AU - Nielsen, Karina AU - Nilsen, Jan Even Øie AU - Birol, Florence AU - Loddo, Carolina Nogueira AU - Noûs, Camille AU - Obligis, E. AU - Otosaka, Inès AU - Otten, Michiel AU - Ozbahceci, Berguzar Oztunali AU - Raj, Roshin Pappukutty AU - Paiva, Rodrigo Cauduro Dias de AU - Paniagua, Guillermina F. AU - Paolo, Fernando S. AU - Paris, Adrien AU - Pascual, Ananda AU - Passaro, Marcello AU - Paul, Stephan AU - Pavelsky, Tamlin M. AU - Pearson, Christopher AU - Penduff, Thierry AU - Peng, Fukai AU - Pérosanz, F. AU - Picot, Nicolas AU - Piras, Fanny AU - Poggiali, Valerio AU - Poirier, Étienne AU - León, Sonia Ponce de AU - Prants, Sergey V. AU - Prigent, Catherine AU - Provost, Christine AU - Pujol, Marie–Isabelle AU - Qiu, Bo AU - Quilfen, Yves AU - Rami, Ali AU - Raney, R. Keith AU - Raynal, Matthias AU - Rémy, Elisabeth AU - Rémy, Frédérique AU - Restano, Marco AU - Richardson, Annie AU - Richardson, Donald AU - Ricker, Robert AU - Ricko, M. AU - Rinne, Eero AU - Rose, Stine Kildegaard AU - Rosmorduc, Vinca AU - Rudenko, Sergei AU - Ruíz, Simón AU - Ryan, Barbara J. AU - Salaün, Corinne AU - Sánchez‐Román, Antonio AU - Sørensen, Louise Sandberg AU - Sandwell, David T. AU - Saraceno, Martín AU - Scagliola, Michele AU - Schaeffer, Philippe AU - Scharffenberg, Martin G. AU - Scharroo, Remko AU - Schiller, Andreas U. AU - Schneider, Raphael Johannes Maria AU - Schwatke, Christian AU - Scozzari, Andrea AU - Ser‐Giacomi, Enrico AU - Seyler, F. AU - Shah, Rashmi AU - Sharma, Rashmi AU - Shaw, Andrew G. P. AU - Shepherd, Andrew P. AU - Shriver, Jay F. AU - Shum, C. K. AU - Simons, Wim AU - Simonsen, Sebastian Bjerregaaard AU - Slater, Thomas AU - Smith, Walter AU - Soares, S. M. AU - Sokolovskiy, Mikhail A. AU - Soudarin, Laurent AU - Spatar, Ciprian AU - Speich, Sabrina AU - Srinivasan, Margaret AU - Srokosz, Meric A. AU - Stanev, Emil Vassilev AU - Staneva, Joanna V. AU - Steunou, N. AU - Stroeve, Julienne Christine AU - Su, Zhongbo AU - Sulistioadi, Yohanes Budi AU - Swain, Debadatta AU - Sylvestre‐Baron, Annick AU - Taburet, Nicolas AU - Tailleux, Rémi AU - Takayama, Katsumi AU - Tapley, Byron D. AU - Tarpanelli, Angelica AU - Tavernier, Gilles AU - Testut, Laurent AU - Thakur, Praveen K. AU - Thibaut, Pierre AU - Thompson, LuAnne AU - Tintoré, Joaquı́n AU - Tison, C. AU - Tourain, C. AU - Tournadre, J. AU - Townsend, Bill AU - Tran, Ngan AU - Trilles, Sébastien AU - Tsamados, Michel C. AU - Tseng, Kuo‐Hsin AU - Ubelmann, Clément AU - Uebbing, Bernd AU - Vergara, Oscar AU - Verron, Jacques AU - Vieira, Telmo AU - Vignudelli, Stefano AU - Vinogradova, Nadya T. AU - Visser, Pieter N. A. M. AU - Vivier, Frédéric AU - Volkov, Denis L. AU - Schuckmann, Karina von AU - Vuglinskii, V. S. AU - Vuilleumier, Pierrik AU - Walter, Blake A. AU - Wang, Jida AU - Wang, Chao AU - Watson, Christopher Stephen AU - Wilkin, John AU - Willis, Josh K. AU - Wilson, Hilary K. AU - Woodworth, Philip Leslie AU - Yang, Kehan AU - Yao, Fangfang AU - Zaharia, Raymond AU - Анатольевна, Захарова Елена AU - Zaron, Edward D. AU - Zhang, Yong-Sheng AU - Zhao, Zhongxiang AU - Zinchenko, Vadim AU - Zlotnicki, Victor TI - Altimetry for the future: Building on 25 years of progress JO - Advances in Space Research VL - 68 IS - 2 SP - 319 EP - 363 PY - 2021 DA - 2021/03/23 DO - 10.1016/j.asr.2021.01.022 UR - https://doi.org/10.1016/j.asr.2021.01.022 ER -

Altimetry for the future: Building on 25 years of progress

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