MetOp-B ASCAT Level 2 25.0km Ocean Surface Wind Vectors in Full Orbit Swath
(ASCATB-L2-25km)
18 Publications Cited this Dataset
Citation metrics available for years (2014-2022)
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Publications citing MetOp-B ASCAT Level 2 25.0km Ocean Surface Wind Vectors in Full Orbit Swath
Citation metrics available for years (2014-2022)
| Year | Citation |
|---|---|
| 2015 | Spaceborne GNSS reflectometry for ocean winds: First results from the UK TechDemoSat‐1 mission, Geophysical Research Letters ,https://doi.org/10.1002/2015GL064204 |
| 2016 | Expected performance of the wind retrieval from the CFOSAT rotating fan-beam scatterometer, IEEE Transaction on Geoscience and Remote Sensing ,https://doi.org/10.1109/IGARSS.2016.7730516 |
| 2016 | Further Examination of Diurnal and Sub-Diurnal Wind Vector Variability using the Constellation of Scatterometers and Radiometers, mdc.coaps.fsu.edu |
| 2016 | J-OFURO3, nagoya.repo.nii.ac.jp |
| 2016 | Construction of long-term data set of sea surface wind speed/stress vectors by continuous satellite observations, International Journal of Remote Sensing ,https://doi.org/10.1080/01431161.2015.1137991 |
| 2016 | Spaceborne GNSS-reflectometry on TechDemoSat-1: Early mission operations and exploitation, IEEE Journal of ,https://doi.org/10.1109/JSTARS.2016.2603846 |
| 2016 | Physical Oceanography Distributed Active Archive Center (PO.DAAC), Scatterometer wind data, NASA Earth data, [Online]. Available: http://podaac.jpl.nasa.gov/dataset/ASCAT-L2-12. 5km?ids=Sensor&values=ASCAT/ Statistical modeling of the reflection symmetry metric for sea clutter in dual-polarimetric SAR data, IEEE Journal of Oceanic Engineering ,https://doi.org/10.1109/JOE.2015.2458231 |
| 2016 | Spaceborne GNSS-reflectometry on TechDemoSat-1: Early mission operations and exploitation, IEEE Journal of ,https://doi.org/10.1109/JSTARS.2016.2603846 |
| 2017 | Use of an optimum interpolation method to construct a high-resolution global ocean surface vector wind dataset from active scatterometers and passive radiometers, International Journal of ,https://doi.org/10.1080/01431161.2017.1341665 |
| 2018 | https://podaac.jpl.nasa.gov/dataset/ASCATB-L2-25km [Accessed 5 July 2016] Tropical storm Chedza and associated floods over south-eastern Africa, Natural Hazards ,https://doi.org/10.1007/s11069-018-3295-y |
| 2019 | Numerical modelling of Tropical Cyclone Dineo and its rainfall impacts over north-eastern South Africa, N/A ,http://hdl.handle.net/11427/31174 |
| 2019 | PODAAC (NASA Physical Oceanography Distributed Active Archive Center) (2017) See https://podaac.jpl.nasa.gov/data/ (accessed 05/06/2017). Storm-surge modelling for cyclone Mora in the northern Bay of Bengal, Proceedings of the Institution of Civil Engineers – Maritime Engineering ,https://doi.org/10.1680/jmaen.2019.1 |
| 2020 | A study on assimilation of CYGNSS wind speed data for tropical convection during 2018 January MJO, Remote Sensing ,https://doi.org/10.3390/rs12081243 |
| 2020 | The fate of upwelled nitrate off Peru shaped by submesoscale filaments and fronts, Biogeosciences Discussions ,https://doi.org/10.5194/bg-2020-112 |
| 2021 | Improved Calibration of Wind Estimates from Advanced Scatterometer MetOp-B in Korean Seas Using Deep Neural Network, Journal ,10.3390/rs13204164 |
| 2021 | EUMETSAT/OSI SAF. MetOp-B ASCAT Level 2 25.0 km Ocean Surface Wind Vectors. Ver. Operational/Near-Real-Time. PO.DAAC, CA, USA. 2013. Available online: https://podaac.jpl.nasa.gov/dataset/ASCATB-L2-25km (accessed on 18 February 2021). Improved CYGNSS Wind Speed Retrieval Using Significant Wave Height Correction, Journal ,10.3390/rs13214313 |
| 2021 | Moisture sources and transport during an extreme rainfall event over the Limpopo River Basin, southern Africa, Journal ,10.1016/j.atmosres.2021.105849 |
| 2021 | The fate of upwelled nitrate off Peru shaped by submesoscale filaments and fronts, Journal ,10.5194/bg-18-3605-2021 |
| Version | Operational/Near-Real-Time |
| Processing Level | 2 |
| Start/Stop Date | 2012-Oct-29 to Present |
| Short Name | ASCATB-L2-25km |
| Description | This dataset contains operational near-real-time Level 2 ocean surface wind vector retrievals from the Advanced Scatterometer (ASCAT) on MetOp-B at 25 km sampling resolution (note: the effective resolution is 50 km). It is a product of the European Organization for the Exploitation of Meteorological Satellites (EUMETSAT) Ocean and Sea Ice Satellite Application Facility (OSI SAF) provided through the Royal Netherlands Meteorological Institute (KNMI). The wind vector retrievals are currently processed using the CMOD.n geophysical model function using a Hamming filter to spatially average the Sigma-0 data in the ASCAT L1B data. Each file is provided in netCDF version 3 format, and contains one full orbit derived from 3-minute orbit granules. Latency is approximately 2 hours from the latest measurement. The beginning of the orbit is defined by the first wind vector cell measurement within the first 3-minute orbit granule that starts north of the Equator in the ascending node. ASCAT is a C-band dual swath fan beam radar scatterometer providing two independent swaths of backscatter retrievals in sun-synchronous polar orbit aboard the MetOp-B platform. For more information on the MetOp-B mission, please visit: https://www.eumetsat.int/our-satellites/metop-series . For more timely announcements, users are encouraged to register with the KNMI scatterometer email list: scat@knmi.nl. Users are also highly advised to check the dataset user guide periodically for updates and new information on known problems and issues. All intellectual property rights of the OSI SAF products belong to EUMETSAT. The use of these products is granted to every interested user, free of charge. If you wish to use these products, EUMETSAT's copyright credit must be shown by displaying the words "copyright (year) EUMETSAT" on each of the products used. |
| DOI | Not Registered |
| Measurement | OCEANS > OCEAN WINDS > SURFACE WINDS |
| Swath Width | 1800 km |
| Platform/Sensor | METOP-B / Platform Name: Meteorological Operational Satellite - B (METOP-B) Orbit Period: 101.3 minutes Inclination Angle: 98.7 degrees ASCAT SENSOR Name: Advanced Scatterometer (ASCAT) Swath Width: 1800.0 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. |
| Project | Meteorological Operational (MetOp) |
| Data Provider | Publisher: KNMI Creator: EUMETSAT/OSI SAF Release Place: KNMI, Royal Netherlands Meteorological Institute Release Date: 2013-Jun-03 Resource: https://scatterometer.knmi.nl/publications/pdf/ASCAT_Product_Manual.pdf |
| Format | netCDF-4 |
| Keyword(s) | wind data, wind, ocean wind, wind speed, vector, vectors, ocean wind vector, ocean wind vectors, knmi, osi saf, eumetsat, metop, metop-b |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Resolution Spatial Resolution: 25000 Meters x 25000 Meters Temporal Resolution: Hourly - < Daily Coverage Region: GLOBAL OCEAN North Bounding Coordinate: 89.6 degrees South Bounding Coordinate: -89.6 degrees West Bounding Coordinate: -180 degrees East Bounding Coordinate: 180 degrees Time Span: 2012-Oct-29 to Present Granule Time Span: 2012-Oct-29 to 2024-Nov-21Swath Width: 1800 km Projection Projection Type: Satellite native swath Projection Detail: Geolocation information included for each pixel |
| DIRECT ACCESS | |
| Browse Granule Listing | |
| OPENDAP DATA | |
| Search Granules | |
| DIRECT S3-ACCESS | |
| Available for access in-region with AWS Cloud | |
Region | |
| us-west-2 | |
| podaac-ops-cumulus-protected/ASCATB-L2-25km/ | |
| podaac-ops-cumulus-public/ASCATB-L2-25km/ | |
AWS S3 Credentials | |
| Get AWS S3 Credentials | Documentation | |
| Name | Long Name | Unit |
|---|---|---|
| bs_distance | backscatter distance | 1 |
| ice_age | ice age (a-parameter) | dB |
| ice_prob | ice probability | 1 |
| lat | latitude | degrees_north |
| lon | longitude | degrees_east |
| model_dir | model wind direction at 10 m | degree |
| model_speed | model wind speed at 10 m | m s-1 |
| time | time | seconds since 1990-01-01 00:00:00 |
| wind_dir | wind direction at 10 m | degree |
| wind_speed | wind speed at 10 m | m s-1 |
| wvc_index | cross track wind vector cell number | 1 |
| wvc_quality_flag | wind vector cell quality |
| USER'S GUIDE | |
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Citation is critically important for dataset documentation and discovery. Please cite the data as follows, and cite the reference papers when it is appropriate.
| Citation | EUMETSAT/OSI SAF. 2013. MetOp-B ASCAT Level 2 25.0 km Ocean Surface Wind Vectors. Ver. Operational/Near-Real-Time. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/
For more information see Data Citations and Acknowledgments.
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| Journal Reference | Verspeek, J. A., Stoffelen, A., Portabella, M., Bonekamp, H., Anderson, C., and Figa, J.. 2009. Validation and calibration of ASCAT using CMOD5.n, IEEE Trans. Geosci. Remote Sens., 48, 1. https://doi.org/10.1109/TGRS.2009.2027896 |
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