Gridded surface wind fields from metop/ASCAT measurements.
Abstract
This article deals with the calculation and validation of daily surface wind vector fields from wind speed and direction observations derived from Advanced SCATterometer (ASCAT) scatterometer measurements over the global ocean. According to the ASCAT sampling scheme, the objective method allowing for the determination of regular in space and time wind speed and direction fields uses ASCAT observations as well as European Centre for Medium Weather Forecasts (ECMWF) analyses. The latter are considered as external drift for the kriging method and as the temporal interpolation basis for ASCAT retrievals. This study focuses on the investigation of the capability of the method to add valuable wind information to the operational atmospheric analyses and on the quality of the resulting wind fields. The accuracy of the former is determined through comprehensive comparisons with daily winds calculated from moored buoy data. At global and regional scales, comparisons are performed with surface wind patterns derived from the ECMWF analysis and from ECMWF Re-analysis project (ERA-Interim) re-analyses.
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There are large disparities between off-equatorial winds measured directly by PIRATA and estimated by satellites and model-based reanalyses.
“Furthermore, there are large disparities between offequatorial winds measured directly by PIRATA and estimated by satellites and model-based reanalyses (Bentamy and Fillon, 2012), emphasizing the importance of maintaining the long records from all PIRATA moorings.”
From The tropical atlantic observing system (2019) · cites this paper as Bentamy and Fillon, 2012
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References 15 · Cited by 241
- Authors
- Bentamy, A., & Fillon, D. C.
- Affiliations
- Ifremer (FR)
- a Laboratoire d'Océanographie Spatiale (LOS), Institut Français pour la Recherche et l'Exploitation de la MER (IFREMER) , Plouzané, 29280, France
- Corresponding author
- Bentamy, Abderrahim
- Venue
- International Journal of Remote Sensing
- Publisher
- Informa UK Limited
- Published
- 2011-09
- Volume
- 33
- Issue
- 6
- Pages
- 1729-1754
- ISSN
- 0143-1161 (ISSN-L)
- 1366-5901
- OpenAlex
- W2018846628
- Cited by
- 241
- References
- 15
- Citations by year
- 2026: 14 · 2025: 13 · 2024: 11 · 2023: 11 · 2022: 27 · 2021: 23 · 2020: 25 · 2019: 29 · 2018: 21 · 2017: 18 · 2016: 13 · 2015: 13 · 2014: 12 · 2013: 6 · 2012: 4
- FWCI
- 5.22
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- International Journal of Remote Sensing (publishedVersion)
- HAL (submittedVersion)
- Institutional Archive of Ifremer (French Research Institute for Exploitation of the Sea) (submittedVersion)
- Funders
- European Organization for the Exploitation of Meteorological Satellites
- Topics
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Ocean Waves and Remote Sensing
- Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Meteorological Phenomena and Simulations
- Physical Sciences › Earth and Planetary Sciences › Oceanography › Oceanographic and Atmospheric Processes
- Keywords
- surface wind field, ASCAT scatterometer, Metop satellite, kriging, ECMWF analysis, ERA-Interim reanalysis, sea surface wind, wind speed and direction
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