96 Hits in 3.8 sec

Statistical Assessment of Sea-Surface Salinity from SMAP: Arabian Sea, Bay of Bengal and a Promising Red Sea Application

Viviane V. Menezes
2020 Remote Sensing  
SMAP reproduced SSS well in both the Arabian Sea and the Bay of Bengal, and surprisingly well in the Red Sea.  ...  Sea-surface salinity (SSS) is an essential climate variable connected to Earth's hydrological cycle and a dynamical component of ocean circulation, but its variability is not well-understood.  ...  The NASA EOSDIS PO distributed the CAP/JPL SMAP data and the MUR SST.  ... 
doi:10.3390/rs12030447 fatcat:dbhzi267dve3tpiiodfwqfdneq

Evaluation and Intercomparison of SMOS, Aquarius, and SMAP Sea Surface Salinity Products in the Arctic Ocean

Séverine Fournier, Tong Lee, Wenqing Tang, Michael Steele, Estrella Olmedo
2019 Remote Sensing  
This study presents the first systematic analysis of 6 commonly used sea surface salinity (SSS) products from the National Aeronautics and Space Administration (NASA) Aquarius and Soil Moisture Active  ...  Passive (SMAP) satellites and the European Space Agency (ESA) Soil Moisture and Ocean Salinity (SMOS) mission, in terms of their consistency among one another and with in-situ data.  ...  CTD data from the ONR SIZRS project; Ignatius Rigor and Bonnie Light (PSC/APL/UW) and Victoria Hill (Old Dominion University) for temperature and salinity  ... 
doi:10.3390/rs11243043 fatcat:mx6luanrqrfvrpgjzucrlq4nha

Variability and Uncertainty of Satellite Sea Surface Salinity in the Subpolar North Atlantic (2010–2019)

Lisan Yu
2020 Remote Sensing  
Satellite remote sensing of sea surface salinity (SSS) in the recent decade (2010-2019) has proven the capability of L-band (1.4 GHz) measurements to resolve SSS spatiotemporal variability in the tropical  ...  The annual amplitudes are larger (>0.3 practical salinity scale (pss)) in the western basin where surface waters are colder and fresher, and weaker (~0.06 pss) in the eastern basin where surface waters  ...  -Debiased-v4), the SMOS BEC global SSS products (, the SMAP JPL and RSS products (  ... 
doi:10.3390/rs12132092 fatcat:p54nioy2vzh5pmi3wox5tyadde

The Potential and Challenges of Using Soil Moisture Active Passive (SMAP) Sea Surface Salinity to Monitor Arctic Ocean Freshwater Changes

Wenqing Tang, Simon Yueh, Daqing Yang, Alexander Fore, Akiko Hayashi, Tong Lee, Severine Fournier, Benjamin Holt
2018 Remote Sensing  
Sea surface salinity (SSS) links various components of the Arctic freshwater system.  ...  We explored the feasibility of using SMAP SSS to monitor the sea surface salinity variability at the major Arctic Ocean gateways.  ...  The sea ice concentration data was provided by the National Snow and Ice Data Center (NSIDC).  ... 
doi:10.3390/rs10060869 fatcat:rieyfiwvgzfejkwtss7ntvgiv4

Intercomparison of In-Situ and Remote Sensing Salinity Products in the Gulf of Mexico, a River-Influenced System

Jorge Vazquez-Cuervo, Severine Fournier, Brian Dzwonkowski, John Reager
2018 Remote Sensing  
The recent emergence of satellite-based sea surface salinity (SSS) measurements provides new opportunities for oceanographic research on freshwater influence in coastal environments.  ...  ) mission, processed by Remote Sensing Systems (REMSS) (40 km and 70 km); one SMAP 60 km product from the Jet Propulsion Laboratory (JPL); and one 60 km product from ESA's Soil Moisture Ocean Salinity  ...  Author Contributions: All the authors played a critical part in the preparation of the manuscript.  ... 
doi:10.3390/rs10101590 fatcat:fe4b4je6r5hvbflr3pupdrl45m

Sea surface salinity estimates from spaceborne L-band radiometers: An overview of the first decade of observation (2010–2019)

N. Reul, S.A. Grodsky, M. Arias, J. Boutin, R. Catany, B. Chapron, F. D'Amico, E. Dinnat, C. Donlon, A. Fore, S. Fournier, S. Guimbard (+18 others)
2020 Remote Sensing of Environment  
The EU authors acknowledge support of ESA in the frame of the SMOS ESL Level 2 phase 3 contract (, the N. Reul, et al. Remote Sensing of Environment 242 (2020) 111769  ...  Acknowledgements We would like to thank the contributions from three anonymous reviewers for comments and detailed editing of our draft which definitively helped to improve the paper.  ...  JPL Aquarius/ SMAP CAP processing algorithm (Yueh et al., 2013 (Yueh et al., , 2014 .  ... 
doi:10.1016/j.rse.2020.111769 fatcat:4oa3ceryd5felg7y7ytbjtrrpq

The Salinity Retrieval Algorithms for the NASA Aquarius Version 5 and SMAP Version 3 Releases

Thomas Meissner, Frank J. Wentz, David M. Le Vine
2018 Remote Sensing  
Finally, we show how the Aquarius Version 5 salinity retrieval algorithm is adapted to retrieve salinity from the Soil-Moisture Active Passion (SMAP) mission.  ...  When stratified as function of sea surface temperature or sea surface wind speed, the difference between Aquarius Version 5 and ARGO is within ±0.1 psu.  ...  Acknowledgments: We would like to thank the members of the Aquarius and SMAP Cal/Val and science teams for providing valuable input and suggestions over the course of this work.  ... 
doi:10.3390/rs10071121 fatcat:2noz2avppnhjtpbsgjdktodleq

Global Analysis of Coastal Gradients of Sea Surface Salinity

Alina N. Dossa, Gaël Alory, Alex Costa da Silva, Adeola M. Dahunsi, Arnaud Bertrand
2021 Remote Sensing  
Sea surface salinity (SSS) is a key variable for ocean–atmosphere interactions and the water cycle.  ...  Here, we assess the skill of four gridded products derived from the Soil Moisture Ocean Salinity (SMOS) and Soil Moisture Active Passive (SMAP) satellites and the GLORYS global model reanalysis at capturing  ...  Introduction Sea surface salinity (SSS) is an essential climate variable that bears the signature of the water cycle at the ocean-atmosphere interface, where most water fluxes occur [1] .  ... 
doi:10.3390/rs13132507 fatcat:6byjzg4mjngvdj6lpya5wx37pq

Using Saildrones to Validate Arctic Sea-Surface Salinity from the SMAP Satellite and from Ocean Models

Jorge Vazquez-Cuervo, Chelle Gentemann, Wenqing Tang, Dustin Carroll, Hong Zhang, Dimitris Menemenlis, Jose Gomez-Valdes, Marouan Bouali, Michael Steele
2021 Remote Sensing  
Two NASA-sponsored deployments of the Saildrone vehicle provided a unique opportunity for validating sea-surface salinity (SSS) derived from three separate products that use data from the Soil Moisture  ...  The results indicate that the three SMAP products resolve the runoff signal associated with the Yukon River, with high correlation between SMAP products and Saildrone SSS.  ...  ids=&values= Funding: This research was supported by the NASA Salinity Continuity Program. J.  ... 
doi:10.3390/rs13050831 fatcat:o7kmp6q76zcjxovphlpw55p3my

Improved BEC SMOS Arctic Sea Surface Salinity product v3.1

Justino Martínez, Carolina Gabarró, Antonio Turiel, Verónica González-Gambau, Marta Umbert, Nina Hoareau, Cristina González-Haro, Estrella Olmedo, Manuel Arias, Rafael Catany, Laurent Bertino, Roshin P. Raj (+3 others)
2022 Earth System Science Data  
Measuring salinity from space is challenging since the sensitivity of the brightness temperature (TB) to sea surface salinity (SSS) is low (about 0.5 K psu−1), while the SSS range in the open ocean is  ...  Due to this limitation, the ESA launched a specific initiative in 2019, the Arctic+Salinity project (AO/1-9158/18/I-BG), to produce an enhanced Arctic SSS product with better quality and resolution than  ...  The SMOS standard sea surface salinity (SSS) retrieval algorithm (Font et al., 2010; Mecklenburg et al., 2009; Olmedo et al., 2021) , as well as the algorithms used for SSS retrieval from Aquarius and  ... 
doi:10.5194/essd-14-307-2022 fatcat:iuw3p3qbwjbttchmrskmh65jey

A Comparison of Satellite-Derived Sea Surface Salinity and Salt Fluxes in the Southern Ocean

Brady S. Ferster, Bulusu Subrahmanyam
2018 Remote Sensing in Earth Systems Sciences  
Sea surface salinity (SSS) derived from the multi-satellite missions, NASA's Aquarius/SAC-D and Soil Moisture Active and Passive (SMAP), and ESA's Soil Moisture and Ocean Salinity (SMOS) are compared and  ...  Satellite-derived salinity indicates low temporal-mean standard deviations with Aquarius (0.215) and moderate standard deviations with SMOS (0.294) and SMAP (0.325) against Argo in the SO.  ...  Discussion Satellite-Derived Salinity Aquarius and SMOS have positive biases between 45°S and 60°S, and SMAP has a negative bias in the SO, likely resulting from the influence of low sea surface temperatures  ... 
doi:10.1007/s41976-018-0001-5 fatcat:eshal6svsndmnfoeydx6muuk2q

Editorial for the Special Issue "Sea Surface Salinity Remote Sensing"

Emmanuel Dinnat, Xiaobin Yin
2019 Remote Sensing  
This Special Issue gathers papers reporting research on various aspects of remote sensing of sea surface salinity (SSS) and the use of satellites SSS in oceanography.  ...  cryosphere; and data fusion techniques combining SSS with sea surface temperature (SST).  ...  Introduction Sea surface salinity (SSS) is an essential climate variable [1] .  ... 
doi:10.3390/rs11111300 fatcat:6mwmimy2tbgcfij6eqwwb52qbu

Loop Current and Eddy Driven Salinity Variability in the Gulf of Mexico

Richard J. Brokaw, Bulusu Subrahmanyam, Steven L. Morey
2019 Geophysical Research Letters  
This research uses satellite-derived sea surface salinity from NASA's Soil Moisture Active Passive and ESA's Soil Moisture and Ocean Salinity missions with altimetric sea surface height data to observe  ...  The Loop Current brings Caribbean Sea water northward into the Gulf of Mexico and transports waters out of the Gulf through the Florida Straits where it feeds into the Gulf Stream.  ...  The Combined Active-Passive retrieval algorithm initially developed by JPL for Aquarius/SAC-D is extended to this SMAP product.  ... 
doi:10.1029/2019gl082931 fatcat:bzl2scwmjfcdriavrmzrwofqiy

Sea Surface Salinity Seasonal Variability in the Tropics from Satellites, Gridded In Situ Products and Mooring Observations

Frederick M. Bingham, Susannah Brodnitz, Lisan Yu
2020 Remote Sensing  
Satellite observations of sea surface salinity (SSS) have been validated in a number of instances using different forms of in situ data, including Argo floats, moorings and gridded in situ products.  ...  In this study we validate the seasonal SSS from satellite and gridded in situ products using observations from moorings in the global tropical moored buoy array.  ...  Introduction Sea surface salinity (SSS) has been observed by satellite for over 10 years since the launch of the Soil Moisture and Ocean Salinity (SMOS; [1] ) instrument in 2009.  ... 
doi:10.3390/rs13010110 fatcat:nq3jdzej7bdq5cfi7qrtl633p4

The Potential of Space-Based Sea Surface Salinity on Monitoring the Hudson Bay Freshwater Cycle

Wenqing Tang, Simon H. Yueh, Daqing Yang, Ellie Mcleod, Alexander Fore, Akiko Hayashi, Estrella Olmedo, Justino Martínez, Carolina Gabarró
2020 Remote Sensing  
For about six months each year, satellite remote sensing of sea surface salinity (SSS) is possible over open water.  ...  This study analyzes SSS from NASA Soil Moisture Active and Passive (SMAP) and European Space Agency (ESA) Soil Moisture and Ocean Salinity(SMOS) missions in the context of HB freshwater contents.  ...  The SMAP SSS products were provided by the NASA Physical Oceanography Distributed Active and Archive enter (PO.DAAC) at the Jet Propulsion Laboratory.  ... 
doi:10.3390/rs12050873 fatcat:yovqxs7cc5bnhgbkh4wxu2fena
« Previous Showing results 1 — 15 out of 96 results