S
Steven Delwart
Researcher at European Space Research and Technology Centre
Publications - 58
Citations - 4678
Steven Delwart is an academic researcher from European Space Research and Technology Centre. The author has contributed to research in topics: Imaging spectrometer & Calibration (statistics). The author has an hindex of 21, co-authored 58 publications receiving 4083 citations. Previous affiliations of Steven Delwart include European Space Agency.
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The SMOS Mission: New Tool for Monitoring Key Elements ofthe Global Water Cycle
Yann Kerr,Philippe Waldteufel,Jean-Pierre Wigneron,Steven Delwart,Francois Cabot,Jacqueline Boutin,Maria-José Escorihuela,Jordi Font,Nicolas Reul,C. Gruhier,S. Juglea,Mark R. Drinkwater,Achim Hahne,Manuel Martin-Neira,Susanne Mecklenburg +14 more
TL;DR: The SMOS satellite was launched successfully on November 2, 2009, and will achieve an unprecedented maximum spatial resolution of 50 km at L-band over land (43 km on average over the field of view), providing multiangular dual polarized (or fully polarized) brightness temperatures over the globe.
Journal ArticleDOI
The SMOS Soil Moisture Retrieval Algorithm
Yann Kerr,Philippe Waldteufel,P. Richaume,Jean-Pierre Wigneron,Paolo Ferrazzoli,A. Mahmoodi,Ahmad Al Bitar,Francois Cabot,C. Gruhier,S. Juglea,Delphine Leroux,Arnaud Mialon,Steven Delwart +12 more
TL;DR: A retrieval algorithm to deliver global soil moisture (SM) maps with a desired accuracy of 0.04 m3/m3 is given, discusses the caveats, and provides a glimpse of the Cal Val exercises.
The SMOS Mission: New Tool for Monitoring Key Elements of the Global Water Cycle This satellite mission will use new algorithms to try to forecast weather and estimate climate change from satellite measurements of the Earth's surface.
Yann Kerr,Philippe Waldteufel,Jean-Pierre Wigneron,Steven Delwart,Francois Cabot,Jacqueline Boutin,Nicolas Reul,C. Gruhier,Mark R. Drinkwater,Achim Hahne,Manuel Martõ ´ n-Neira,Susanne Mecklenburg +11 more
TL;DR: The second Earth Explorer Opportunity Mission (EOMOS) as discussed by the authors carried a single payload, an L-Band 2-D interferometric radiometer operating in the 1400-1427MHz protected band (1).
Journal ArticleDOI
Modelling the Passive Microwave Signature from Land Surfaces: A Review of Recent Results and Application to the L-Band SMOS SMAP Soil Moisture Retrieval Algorithms
Jean-Pierre Wigneron,Thomas J. Jackson,Peggy O'Neill,G. De Lannoy,P. de Rosnay,Jeffrey P. Walker,Paolo Ferrazzoli,Valery Mironov,Simone Bircher,Jennifer Grant,Mehmet Kurum,Mike Schwank,Joaquín Muñoz-Sabater,Narendra N. Das,Alain Royer,Amen Al-Yaari,Ahmad Al Bitar,Roberto Fernandez-Moran,Heather Lawrence,Arnaud Mialon,Marie Parrens,P. Richaume,Steven Delwart,Yann Kerr +23 more
TL;DR: In this paper, the authors present a review of the significant progress which has been made over the last decade in this field of research with a focus on L-band, and a discussion on possible applications to the SMOS and SMAP soil moisture retrieval approaches.
Journal ArticleDOI
Overview of SMOS performance in terms of global soil moisture monitoring after six years in operation
Yann Kerr,Amen Al-Yaari,Nemesio Rodriguez-Fernandez,Marie Parrens,Beatriz Molero,Delphine Leroux,S. Bircher,Ali Mahmoodi,Arnaud Mialon,Philippe Richaume,Steven Delwart,Ahmad Al Bitar,Thierry Pellarin,Rajat Bindlish,Thomas J. Jackson,Christoph Rudiger,Philippe Waldteufel,Susanne Mecklenburg,Jean-Pierre Wigneron +18 more
TL;DR: In this paper, a global evaluation of different SMOS soil moisture (SM) products (SMOS-L2, SMOSL3, and SMOS-NN) was performed comparing products with those of model simulations and other satellites.