O. Adam, T. Schneider, and F. Brient, Regional and seasonal variations of the double-ITCZ bias in CMIP5 models, Clim. Dyn, vol.51, pp.101-117, 2018.

V. P. Akhil, M. Lengaigne, J. Vialard, F. Durand, M. G. Keerthi et al., A modeling study of processes controlling the Bay of Bengal sea surface salinity interannual variability, J. Geophys. Res. Oceans, vol.121, pp.8471-8495, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01497558

G. Alory, C. Maes, T. Delcroix, N. Reul, and S. Illig, Seasonal dynamics of sea surface salinity off Panama: the far Eastern Pacific fresh pool, J. Geophys. Res, vol.117, p.4028, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00798729

Y. Bai, D. Pan, W. J. Cai, X. He, D. Wang et al., Remote sensing of salinity from satellite-derived CDOM in the Changjiang River dominated East China Sea, J. Geophys. Res. Oceans, vol.118, pp.227-243, 2013.

D. C. Bakker, B. Pfeil, C. S. Landa, and N. Metzl, A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT), Earth Syst. Sci. Data, vol.8, pp.383-413, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01629538

K. Balaguru, P. Chang, R. Saravanan, L. R. Leung, Z. Xu et al., Ocean barrier layers' effect on tropical cyclone intensification, PNAS, vol.109, pp.14343-14347, 2012.

K. Balaguru, G. R. Foltz, L. R. Leung, E. D'asaro, K. A. Emanuel et al., Dynamic potential intensity: an improved representation of the ocean's impact on tropical cyclones, Geophys. Res. Lett, vol.42, pp.6739-6746, 2015.

K. Balaguru, G. R. Foltz, L. R. Leung, and K. A. Emanuel, Global warminginduced upper-ocean freshening and the intensification of super typhoons, Nat. Commun, vol.7, p.13670, 2016.

C. J. Banks, M. A. Srokosz, P. Cipollini, H. M. Snaith, J. R. Blundell et al., Reduced ascending/descending pass bias in SMOS salinity data demonstrated by observing westward-propagating features in the South Indian Ocean, Remote Sensing Environ, vol.180, pp.154-163, 2016.

A. Belward, M. A. Bourassa, M. Dowell, and S. Briggs, The Global Observing System for climate: Implementation needs GCOS-200, 2016.

F. M. Bingham, J. Busecke, A. L. Gordon, C. F. Giulivi, L. et al., The North Atlantic subtropical surface salinity maximum as observed by Aquarius, J. Geophys. Res. Oceans, vol.119, pp.7741-7755, 2014.

S. Boukabara, K. Garrett, and V. K. Kumar, Potential Gaps in the satellite observing system coverage: assessment of impact on NOAA's numerical weather prediction overall skills, Mon. Wea. Rev, vol.144, pp.2547-2563, 2016.

J. Boutin, Y. Chao, W. E. Asher, T. Delcroix, R. Drucker et al., Satellite and in situ salinity: understanding near-surface stratification and sub-footprint variability, Bull. Amer. Meteor. Soc, vol.97, pp.1391-1407, 2016.

J. Boutin, J. L. Vergely, S. Marchand, F. D'amico, A. Hasson et al., New SMOS Sea Surface Salinity with reduced systematic errors and improved variability, Remote Sens. Environ, vol.214, pp.115-134, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01844300

T. P. Boyer, S. Levitus, J. I. Antonov, R. A. Locarnini, and H. E. Garcia, Linear trends in salinity for the World Ocean, Geophys. Res. Lett, vol.32, p.1604, 1955.

C. W. Brown, J. Boutin, and L. Merlivat, New insights of pCO2 variability in the tropical eastern Pacific Ocean using SMOS SSS, Biogeosciences, vol.12, pp.7315-7329, 2015.

K. L. Brubaker, D. Entekhabi, and P. S. Eagleson, Estimation of continental precipitation recycling, J. Climate, vol.6, pp.1077-1089, 1993.

J. Busecke, R. Abernathey, G. , and A. , Lateral eddy mixing in the subtropical salinity maxima of the global ocean, J. Phys. Oceanogr, vol.47, pp.737-754, 2017.

J. G. Canadell, C. Le-quéré, M. R. Raupach, C. B. Field, E. T. Buitenhuis et al., Contributions to accelerating atmospheric CO2 growth from economic activity, carbon intensity, and efficiency of natural sinks, PNAS, vol.104, pp.18866-18870, 2007.

J. A. Carton, G. A. Chepurin, L. Chen, and S. A. Grodsky, Improved Global Net Surface Heat Flux, J. Geophys. Res. Oceans, vol.123, pp.3144-3163, 2018.

A. Chakraborty, R. Kumar, S. Basu, and R. Sharma, Improving ocean state by assimilating SARAL/AltiKa derived sea level and other satellite-derived data in MITGCM, Mar. Geod, vol.38, pp.328-338, 2015.

S. C. Chan and V. Misra, A diagnosis of the 1979-2005 extreme rainfall events in the Southeast US with isentropic moisture tracing, Mon. Wea. Rev, vol.138, pp.1172-1185, 2010.

D. B. Chelton, R. A. Deszoeke, G. Schlax, K. El-naggar, and N. Siwertz, geographical variability of the first baroclinic rossby radius of deformation, J. Phys. Oceanogr, vol.28, pp.433-460, 1998.

D. B. Chelton, F. J. Wentz, C. L. Gentemann, R. A. De-szoeke, and M. G. Schlax, Satellite microwave SST observations of trans equatorial tropical instability waves, Geophys. Res. Lett, vol.27, pp.1239-1242, 2000.

J. J. Cione and E. W. Uhlhorn, Sea surface temperature variability in hurricanes: implications with respect to intensity change, Mon. Wea. Rev, vol.131, pp.1783-1796, 2003.

B. I. Cook, R. Seager, and R. L. Miller, On the causes and dynamics of the early twentieth-century North American pluvial, J. Climate, vol.24, pp.5043-5060, 2011.

S. Cravatte, T. Delcroix, and D. Zhang, Observed freshening and warming of the western Pacific Warm Pool, Clim. Dyn, vol.33, p.565, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00406908

R. Curry, R. Dickson, Y. , and I. , A change in the freshwater balance of the Atlantic Ocean over the past four decades, Nature, vol.426, pp.826-829, 2003.

C. Y. Da-allada, J. Jouanno, F. Gaillard, N. Kolodziejczyk, C. Maes et al., Importance of the Equatorial Undercurrent on the sea surface salinity in the eastern equatorial Atlantic in boreal spring, J. Geophys. Res. Oceans, vol.122, pp.521-538, 2017.
URL : https://hal.archives-ouvertes.fr/hal-02161721

T. Delcroix, Observed surface oceanic and atmospheric variability in the tropical Pacific at seasonal and ENSO timescales: a tentative overview, J. Geophys. Res, vol.103, pp.18611-18633, 1998.

T. Delcroix, S. Cravatte, and M. J. Mcphaden, Decadal variations and trends in tropical Pacific sea surface salinity since 1970, J. Geophys. Res, vol.112, p.3012, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00280371

T. M. Delcroix, J. Mcphaden, A. Dessier, and Y. Gouriou, Time and space scales for sea surface salinity in the tropical oceans. Deep-Sea Res, vol.52, pp.787-813, 2005.
URL : https://hal.archives-ouvertes.fr/hal-00280368

P. A. Dirmeyer, C. A. Schlosser, and K. L. Brubaker, Precipitation, recycling, and land memory: an integrated analysis, J. Hydrometeor, vol.10, pp.278-288, 2009.

R. Drucker and S. C. Riser, Validation of Aquarius sea surface salinity with Argo: analysis of error due to depth of measurement and vertical salinity stratification, J. Geophys. Res. Oceans, vol.119, pp.4626-4637, 2014.

K. Drushka, W. E. Asher, B. B. Ward, and K. Walesby, Understanding the formation and evolution of rain-formed fresh lenses at the ocean surface, J. Geophys. Res. Oceans, vol.121, pp.2673-2689, 2016.

Y. Du and Y. Zhang, Satellite and argo observed surface salinity variations in the tropical indian ocean and their association with the Indian Ocean dipole mode, J. Climate, vol.28, pp.695-713, 2015.

P. Durack, S. E. Wijffels, T. P. Boyer, S. M. Siedler, J. Griffies et al., International Geophysics" in Long-term Salinity Changes and Implications for the Global Water Cycle, 2013.

P. J. Durack, Ocean salinity and the global water cycle, Oceanography, vol.28, pp.20-31, 2015.

P. J. Durack, T. Lee, N. T. Vinogradova, and D. Stammer, Keeping the lights on for global ocean salinity observation, Nat. Clim. Change, vol.6, pp.228-231, 2016.

P. J. Durack and S. E. Wijffels, Fifty-year trends in global ocean salinities and their relationship to broad-scale warming, J. Climate, vol.23, pp.4342-4436, 2010.

P. J. Durack, S. E. Wijffels, and R. J. Matear, Ocean Salinities Reveal Strong Global Water Cycle Intensification During, Science, vol.336, pp.455-458, 1950.

F. Durand, G. Alory, R. Dussin, and N. Reul, SMOS reveals the signature of Indian Ocean Dipole events, Ocean Dynamics, vol.63, pp.1203-1212, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00996330

D. Entekhabi, E. G. Njoku, P. E. O'neill, K. H. Kellogg, W. T. Crow et al., The soil moisture active passive (SMAP) mission, Proc. IEEE, vol.98, pp.704-716, 2010.

D. Entekhabi, S. Yueh, P. E. O'neill, K. H. Kellogg, A. Allen et al., SMAP handbook soil moisture active passive: Mapping soil moisture and freeze/thaw from space, pp.14-2285, 2014.

A. Ffield, Amazon and Orinoco river plumes and NBC rings: bystanders or participants in hurricane events?, J. Climate, vol.20, pp.316-333, 2007.

R. A. Fine, D. A. Willey, and F. J. Millero, Global variability and changes in ocean total alkalinity from Aquarius satellite data, Geophys. Res. Lett, vol.44, pp.261-267, 2017.

G. R. Foltz and M. J. Mcphaden, Seasonal mixed layer salinity balance of the tropical north Atlantic Ocean, J. Geophys. Res, vol.113, p.2013, 2008.

J. Font, A. Camps, A. Borges, M. Martín-neira, J. Boutin et al., SMOS: the challenging sea surface salinity measurement from space, Proc. IEEE, vol.98, pp.649-665, 2010.
URL : https://hal.archives-ouvertes.fr/ird-00685317

S. Fournier, B. Chapron, J. Salisbury, D. Vandemark, and N. Reul, Comparison of spaceborne measurements of Sea Surface Salinity and colored detrital matter in the Amazon plume, J. Geophys. Res. Oceans, 2015.

S. Fournier, J. T. Reager, T. Lee, J. Vazquez-cuervo, C. H. David et al., SMAP observes flooding from land to sea: the Texas event of 2015, Geophys. Res. Lett, vol.43, pp.10338-10346, 2016.

S. Fournier, N. Reul, B. Charpon, and J. Tenerelli, Spatio-temporal coherence between spaceborne measurements of salinity and light absorption in the amazon plume region, Proceedings of the ESA-SOLAS, Earth Observation for Ocean Atmosphere Interaction Science, 2011.

S. Fournier, D. Vandemark, L. Gaultier, T. Lee, B. Jonsson et al., Interannual variation in offshore advection of Amazon-Orinoco plume waters: observations, forcing mechanisms, and impacts, J. Geophys. Res. Oceans, vol.113, pp.8966-8982, 2017.

S. Fournier, J. Vialard, M. Lengaigne, T. Lee, and M. M. Gierach, Modulation of the Ganges-Brahmaputra river plume by the Indian Ocean Dipole and eddies inferred from satellite observations, J. Geophys. Res. Oceans, vol.122, pp.9591-9604, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01680300

A. R. Friedman, G. Reverdin, M. Khodri, and G. Gastineau, A new record of Atlantic sea surface salinity from 1896 to 2013 reveals the signatures of climate variability and long-term trends, Geophys. Res. Lett, vol.44, pp.1866-1876, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01475952

I. Fukumori, P. Heimbach, R. M. Ponte, and C. Wunsch, A dynamically consistent, multi-variable ocean climatology, Bull. Amer. Meteor. Soc, vol.99, pp.2107-2128, 2018.

M. M. Gierach, J. Vazquez-cuervo, T. Lee, and V. M. Tsontos, Aquarius and SMOS detect effects of an extreme Mississippi River flooding event in the Gulf of Mexico, Geophys. Res. Lett, vol.40, pp.5188-5193, 2013.

L. Gimeno, A. Drumond, R. Nieto, R. M. Trigo, and A. Stohl, On the origin of continental precipitation, Geophys. Res. Lett, vol.37, p.13804, 2010.

L. Gimeno, R. Nieto, A. Drumond, R. Castillo, and R. Trigo, Influence of the intensification of the major oceanic moisture sources on continental precipitation, Geophys. Res. Lett, vol.40, pp.1-8, 2013.

L. Gimeno, A. Stohl, R. M. Trigo, F. Dominguez, K. Yoshimura et al., Oceanic and terrestrial sources of continental precipitation, Rev. Geophys, vol.50, p.4003, 2012.

M. H. Glantz, Currents of Change: El Nino and La Nina Impacts on Climate and Society, 2001.

A. Gordon and C. Giulivi, Ocean eddy freshwater flux convergence into the North Atlantic subtropics, J. Geophys. Res. Oceans, vol.119, pp.3327-3335, 2014.

A. L. Gordon, The marine hydrological cycle: the ocean's floods and droughts, Geophys. Res. Lett, vol.43, pp.7649-7652, 2016.

A. L. Gordon, C. F. Giulivi, J. Busecke, and F. M. Bingham, Differences among subtropical surface salinity patterns, Oceanography, vol.28, pp.32-39, 2015.

S. A. Grodsky and J. A. Carton, Delayed and quasi-synchronous response of tropical Atlantic surface salinity to rainfall, J. Geophys. Res. Oceans, vol.123, pp.5971-5985, 2018.

S. A. Grodsky, N. Reul, B. Chapron, J. A. Carton, and F. O. Bryan, Interannual surface salinity in Northwest Atlantic shelf, J. Geophys. Res. Oceans, vol.122, pp.3638-3659, 2017.

S. A. Grodsky, N. Reul, G. Lagerloef, G. Reverdin, B. Carton et al., Haline hurricane wake in the Amazon/Orinoco plume: AQUARIUS/SACD and SMOS observations, Geophys. Res. Lett, vol.39, p.20603, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00994148

S. A. Grodsky, G. Reverdin, J. A. Carton, and V. J. Coles, Yearto-year salinity changes in the amazon plume: contrasting 2011 and 2012 aquarius/SACD and SMOS satellite data, Remote Sens. Environ, vol.140, pp.14-22, 2014.

G. Grunseich, B. Subrahmanyam, W. , and B. , The Madden-Julian oscillation detected in Aquarius salinity observations, Geophys. Res. Lett, vol.40, pp.5461-5466, 2013.

B. Guan, T. Lee, D. J. Halkides, and D. E. Waliser, Aquarius surface salinity and the Madden-Julian oscillation: the role of salinity in surface layer density and potential energy, Geophys. Res. Lett, vol.41, pp.2858-2869, 2014.

R. A. Guerrero, A. R. Piola, H. Fenco, R. P. Matano, V. Combes et al., The salinity signature of the cross-shelf exchanges in the Southwestern Atlantic Ocean: satellite observations, J. Geophys. Res. Oceans, vol.119, pp.7794-7810, 2014.

S. Guimbard, N. Reul, B. Chapron, M. Umbert, and C. Maes, Seasonal and interannual variability of the Eastern Tropical Pacific Fresh Pool, J. Geophys. Res. Oceans, vol.122, pp.1749-1771, 2017.

E. Hackert, J. Ballabrera-poy, A. Busalacchi, R. H. Zhang, and R. Murtugudde, Impact of sea surface salinity assimilation on coupled forecasts in the tropical Pacific, J. Geophys Res. Oceans, vol.116, p.5009, 2011.

E. Hackert, A. J. Busalacchi, and J. Ballabrera-poy, Impact of Aquarius sea surface salinity observations on coupled forecasts for the tropical Indo-Pacific Ocean, J. Geophys. Res. Oceans, vol.119, pp.4045-4067, 2014.

A. Hasson, J. Boutin, M. Puy, E. Guilyardi, and R. Morrow, Northward pathway across the tropical North Pacific Ocean revealed by surface salinity: how do El Niño Anomalies Reach Hawaii?, J. Geophys. Res, vol.123, p.4, 2018.

A. Hasson, T. Delcroix, J. Boutin, R. Dussin, B. Poy et al., Analyzing the 2010-2011 La Niña signature in the tropical Pacific sea surface salinity using in situ data, SMOS observations, and a numerical simulation, J. Geophys. Res. Oceans, vol.119, pp.3855-3867, 2014.

A. Hasson, T. Delcroix, and R. Dussin, An assessment of the mixed layer salinity budget in the tropical Pacific Ocean. Observations and modeling (1990-2009). Ocean Dyn, vol.63, pp.179-194, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00798735

K. P. Helm, N. L. Bindoff, and J. A. Church, Changes in the global hydrological-cycle inferred from ocean salinity, Geophys. Res. Lett, vol.37, p.18701, 2010.

O. Hernandez, J. Boutin, N. Kolodziejczyk, G. Reverdin, N. Martin et al., SMOS salinity in the subtropical North Atlantic salinity maximum: 1. Comparison with Aquarius and in situ salinity, J. Geophys. Res. Oceans, vol.119, pp.8878-8896, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01131556

N. Hoareau, M. Portabella, W. Lin, J. Ballabrera-poy, and A. Turiel, Error characterization of sea surface salinity products using triple collocation analysis, IEEE T. Geosci. Remote, vol.99, pp.1-9, 2018.

J. D. Horel and J. M. Wallace, Planetary-scale atmospheric phenomena associated with the southern oscillation, Mon. Weather Rev, vol.109, pp.813-829, 1981.

S. Hosoda, T. Suga, N. Shikama, and K. Mizuno, Global surface layer salinity change detected by Argo and its implication for hydrological cycle intensification, J. Oceanogr, vol.65, p.579, 2009.

J. S. Ibánhez, M. Flores, and N. Lefèvre, Collapse of the tropical and subtropical North Atlantic CO2 sink in boreal spring of 2010, Sci. Rep, vol.7, p.41694, 2017.

J. Isern-fontanet, E. Olmedo, A. Turiel, J. Ballabrera-poy, and E. García-ladona, Retrieval of eddy dynamics from SMOS sea surface salinity measurements in the Algerian Basin (Mediterranean Sea), Geophys. Res. Lett, vol.43, pp.6427-6434, 2016.

H. Y. Kao and G. S. Lagerloef, Salinity Fronts in the Tropical Pacific Ocean, J. Geophys. Res. Oceans, vol.120, pp.1096-1106, 2018.

B. M. Kendall, H. J. Blume, and A. E. Cross, Development of UHF radiometer, 1985.

Y. H. Kerr, P. Waldteufel, J. P. Wigneron, J. A. Martinuzzi, J. Font et al., Soil moisture retrieval from space: the Soil Moisture and Ocean Salinity (SMOS) mission, IEEE Trans. Geosci. Remote Sens, vol.39, pp.1729-1735, 2001.
URL : https://hal.archives-ouvertes.fr/hal-01655355

S. Khatiwala, F. Primeau, and T. Hall, Reconstruction of the history of anthropogenic CO2 concentrations in the ocean, Nature, vol.462, pp.346-349, 2009.

L. A. Klein and C. T. Swift, An Improved Model for the Dielectric Constant of Sea Water at Microwave Frequencies, IEEE J. Ocean. Eng, vol.2, pp.104-111, 1977.

A. Köhl, D. Stammer, and M. Sena-martins, Impact of assimilating surface salinity from SMOS on ocean circulation estimates, J. Geophy. Res, vol.119, pp.5449-5464, 2014.

N. Kolodziejczyk, O. Hernandez, J. Boutin, and G. Reverdin, SMOS salinity in the subtropical North Atlantic salinity maximum: 2. Twodimensional horizontal thermohaline variability, J. Geophys. Res. Oceans, vol.120, pp.972-987, 2015.

A. Korosov, F. Counillon, and J. A. Johannessen, Monitoring the spreading of the Amazon freshwater plume by MODIS, SMOS, Aquarius, and TOPAZ, J. Geophys. Res. Oceans, vol.120, pp.268-283, 2015.

R. D. Koster, P. A. Dirmeyer, Z. Guo, G. Bonan, E. Chan et al., Regions of strong coupling between soil moisture and precipitation, Science, vol.305, pp.1138-1140, 2004.

K. E. Kunkel, D. R. Easterling, D. A. Kristovich, B. Gleason, L. Stoecker et al., Meteorological causes of the secular variations in observed extreme precipitation events for the conterminous United States, J. Hydrometeor, vol.13, pp.1131-1141, 2012.

G. Lagerloef, A. Decharon, and E. Lindstrom, Ocean salinity and the aquarius/SAC-D Mission: a new frontier in ocean remote sensing, J. Mar. Technol. Soc, vol.47, pp.26-30, 2013.

G. Lagerloef, R. Schimitt, J. Schanze, and H. Y. Kao, The ocean and the global water cycle, Oceanography, vol.23, pp.82-93, 2010.

G. H. Lagerloef, Y. Kao, T. Meissner, J. Vazquez, . Po et al., Aquarius salinity Validation Analysis, 2015.

G. S. Lagerloef, F. R. Colomb, D. Le-vine, F. Wentz, S. Yueh et al., The Aquarius/SAC-D mission: designed to meet the salinity remotesensing challenge, Oceanography, vol.21, pp.68-81, 2008.

P. E. Land, J. D. Shutler, H. S. Findlay, F. Girard-ardhuin, R. Sabia et al., Salinity from Space Unlocks Satellite-Based Assessment of Ocean Acidification, Environ. Sci. Technol, vol.49, 1987.

C. Le-quere, M. R. Raupach, J. G. Canadell, and G. Marlandet, Trends in the sources and sinks of carbon dioxide, Nat. Geosci, vol.2, pp.831-836, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00760186

P. Y. Le-traon, D. Antoine, A. Bentamy, H. Bonekamp, L. A. Breivik et al., Use of satellite observations for operational oceanography: recent achievements and future prospects, J. Operat. Oceanogr, vol.8, pp.12-27, 2015.

L. Vine, D. M. Abraham, S. Wentz, F. Lagerloef, and G. S. , Impact of the Sun on remote sensing of sea surface salinity from space, Proc. Internat. Geosci. & Remote Sens. Sympos, IGARSS05, vol.1, pp.288-291, 2005.

L. Vine, D. M. Lagerloef, G. S. Colomb, F. R. Yueh, S. H. Pellerano et al., Aquarius: an instrument to monitor sea surface salinity from Space, Proceedings of the IEEE Transactions on Geoscience and Remote Sensing, 2007.

K. Lee, L. T. Tong, F. J. Millero, C. L. Sabine, A. G. Dickson et al., Global relationships of total alkalinity with salinity and temperature in surface waters of the world's ocean, Geophys. Res. Lett, vol.33, p.19605, 2006.

T. Lee, Consistency of Aquarius sea surface salinity with Argo products on various spatial and temporal scales, Geophys. Res. Lett, vol.43, pp.3857-3864, 2016.

T. Lee, G. Lagerloef, M. M. Gierach, H. Kao, S. Yueh et al., Aquarius reveals salinity structure of tropical instability waves, Geophys. Res. Lett, vol.39, p.12610, 2012.

T. Lee, G. S. Lagerloef, H. Kao, M. J. Mcphaden, J. Willis et al., The influence of salinity on tropical Atlantic instability waves, J. Geophys. Res, vol.119, pp.8375-8394, 2014.

T. Lee, S. Yueh, G. Lagerloef, M. Steele, A. Thompson et al., Linkages of salinity with ocean circulation, water cycle, and climate variability. Community white paper in response to Request for Information #2 by the US National Research Council Decadal Survey for Earth Science and Applications from Space, 2016.

. Leetong and . Pdf, , 2019.

N. Lefèvre, D. F. Urbano, F. Gallois, and D. Diverrès, Impact of physical processes on the seasonal distribution of the fugacity of CO2 in the western tropical Atlantic, J. Geophys. Res. Oceans, vol.119, pp.646-663, 2014.

R. V. Legeckis, Long waves in the eastern equatorial ocean, Science, vol.197, pp.1177-1181, 1977.

L. Li, W. Li, and A. P. Barros, Atmospheric moisture budget and its regulation of the summer precipitation variability over the Southeastern United States, Clim. Dyn, vol.41, pp.613-631, 2013.

L. Li, R. W. Schmitt, and C. C. Ummenhofer, The role of the subtropical North Atlantic water cycle in recent US extreme precipitation events, Clim. Dyn, vol.50, pp.1291-1305, 2018.

L. Li, R. W. Schmitt, C. C. Ummenhofer, and K. B. Karnauskas, Implications of North Atlantic sea surface salinity for summer precipitation over the US Midwest: mechanisms and predictive values, J. Clim, vol.29, pp.3143-3159, 2016.

L. Li, R. W. Schmitt, C. C. Ummehofer, and K. B. Karnauskas, North Atlantic salinity as a predictor of Sahel rainfall, Sci. Adv, vol.2, p.1501588, 2016.

Y. Li, W. Han, and T. Lee, Intraseasonal sea surface salinity variability in the equatorial Indo-Pacific Ocean induced by Madden-Julian Oscillations, J. Geophys. Res. Oceans, vol.120, pp.2233-2258, 2015.

E. Lindstrom, F. Bryan, and R. Schmitt, SPURS: salinity processes in the upper-ocean regional study-The North Atlantic experiment, Oceanography, vol.28, pp.14-19, 2015.

C. Liu and E. Zipser, Differences between the surface precipitation estimates from the TRMM precipitation radar and passive microwave radiometer version 7 products, J. Hydrometeor, vol.15, pp.2157-2175, 2014.

T. Liu, R. W. Schmitt, L. , and L. , Global search for autumn-lead sea surface salinity predictors of winter precipitation in southwestern United States, Geophys. Res. Lett, vol.45, pp.8445-8454, 2018.

Z. Lu, L. Cheng, J. Zhu, L. , and R. , The complementary role of SMOS sea surface salinity observations for estimating global ocean salinity state, J. Geophys. Res. Oceans, vol.121, pp.3672-3691, 2016.

R. Lukas and E. Lindstrom, The mixed layer of the western equatorial Pacific Ocean, J. Geophys. Res, vol.96, pp.3343-3357, 1991.

C. Maes, J. Picaut, and S. Belamari, Importance of the salinity barrier layer for the buildup of El Niño, J. Clim, vol.18, pp.104-118, 2005.

C. Maes, N. Reul, D. Behringer, and T. Kane, The salinity signature of the equatorial Pacific cold tongue as revealed by the satellite SMOS mission, Geosci. Lett, vol.1, p.17, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01131192

A. Mahadevan, G. S. Jaeger, M. Freilich, M. M. Omand, E. L. Shroyer et al., Freshwater in the Bay of Bengal: Its fate and role in air-sea heat exchange, Oceanography, vol.29, pp.72-81, 2016.

M. J. Martin, R. R. King, J. While, and A. Aguiar, Assimilating satellite sea surface salinity data from SMOS, Aquarius and SMAP into a global ocean forecasting system, Q. J. R. Meteorol. Soc, vol.145, pp.705-726, 2018.

B. Mckee, R. Aller, M. Allison, T. Bianchi, and G. Kineke, Transport and transformation of dissolved and particulate materials on continental margins influenced by major rivers: benthic boundary layer and seabed processes, Cont. Shelf Res, vol.24, pp.899-926, 2004.

M. J. Mcphaden, S. E. Zebiak, and M. H. Glantz, ENSO as an integrating concept in earth science, pp.1740-1745, 2006.

T. Meissner, F. Wentz, and L. Ricciardulli, The emission and scattering of L-band microwave radiation from rough ocean surfaces and wind speed measurements from Aquarius, J. Geophys. Res. Oceans, vol.119, pp.6499-6522, 2014.

T. Meissner, F. J. Wentz, L. Vine, and D. M. , The Salinity Retrieval Algorithms for the NASA Aquarius Version 5 and SMAP Version 3 Releases. Remote Sens, vol.10, p.1121, 2018.

O. Melnichenko, A. Amores, N. Maximenko, P. Hacker, and J. Potemra, Signature of mesoscale eddies in satellite sea surface salinity data, J. Geophys. Res. Oceans, vol.122, pp.1416-1424, 2017.

O. Melnichenko, P. Hacker, N. Maximenko, G. Lagerloef, and J. Potemra, Spatial optimal interpolation of aquarius sea surface salinity: algorithms and implementation in the north atlantic, J. Atmos. Oceanic Technol, vol.31, pp.1583-1600, 2014.

O. Melnichenko, P. Hacker, N. Maximenko, G. Lagerloef, and J. Potemra, Optimum interpolation analysis of Aquarius sea surface salinity, J. Geophys. Res. Oceans, vol.121, pp.602-616, 2016.

V. V. Menezes, M. L. Vianna, and H. E. Phillips, Aquarius sea surface salinity in the South Indian Ocean: revealing annual-period planetary waves, J. Geophys. Res. Oceans, vol.119, pp.3883-3908, 2014.

S. Misra, J. Johnson, M. Aksoy, J. Peng, D. Bradley et al., SMAP RFI mitigation algorithm performance characterization using airborne high-rate direct-sampled SMAPVEX 2012 data, Geoscience and Remote Sensing Symposium (IGARSS), pp.41-44, 2013.

S. Misra, J. Kocz, R. Jarnot, S. Brown, R. Bendig et al., Development of an On-board Wide-band Processor for Radio Frequency Interference Detection and Filtering, IEEE Trans. Geosci. Rem. Sens, 2018.

F. E. Muller-karger, C. R. Mcclain, and P. L. Richardson, The dispersal of the Amazon's water, Nature, vol.333, pp.56-59, 1988.

, Next Generation Earth System Prediction: Strategies for Subseasonal to Seasonal Forecasts, 2016.

S. Neetu, M. Lengaigne, E. M. Vincent, J. Vialard, G. Madec et al., Influence of oceanic stratification on tropical cyclones-induced surface cooling in the Bay of Bengal, J. Geophys. Res. Oceans, vol.117, p.12020, 2012.

R. Oliva, E. Daganzo, P. Richaume, and Y. Kerr, Status of Radio Frequency Interference (RFI) in the 1400-1427MHz passive band based on six years of SMOS mission, Rem. Sens. Env, vol.180, pp.64-75, 2016.

E. Olmedo, I. Taupier-letage, A. Turiel, A. , and A. , , 2018.

, Improving SMOS sea surface salinity in the western Mediterranean sea through multivariate and multifractal analysis. Remote Sens, vol.10, p.485

K. Pailler, B. Bourles, and Y. Gouriou, The barrier layer in the western tropical Atlantic Ocean, Geophys. Res. Lett, vol.26, pp.2069-2072, 1999.

R. Pawlowicz, R. Feistel, T. J. Mcdougall, P. Ridout, S. Seitz et al., Metrological challenges for measurements of key climatological observables, Part 2: oceanic salinity, Metrologia, vol.53, pp.12-25, 2016.

J. R. Piepmeier, J. T. Johnson, P. N. Mohammed, D. Bradley, C. Ruf et al., Radio-frequency interference mitigation for the soil moisture active passive microwave radiometer, IEEE Trans. Geosci. Remote Sens, vol.52, pp.761-775, 2014.

R. T. Pollard and L. A. Regier, Vorticity and vertical circulation at the ocean front, J. Phys. Oceanogr, vol.22, pp.609-625, 1992.

R. M. Ponte and N. T. Vinogradova, An assessment of basic processes controlling mean surface salinity over the global ocean, Geophys. Res. Lett, vol.43, pp.7052-7058, 2016.

R. R. Rao and R. Sivakumar, Seasonal variability of the salt budget of the mixed layer and near-surface layer salinity structure of the tropical Indian Ocean from a new global ocean salinity climatology, J. Geophys. Res. Oceans, vol.108, p.3009, 2003.

N. Reul, B. Chapron, T. Lee, C. Donlon, J. Boutin et al., Sea surface salinity structure of the meandering Gulf Stream revealed by SMOS sensor, Geophys. Res. Lett, vol.41, pp.3141-3148, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01233663

N. Reul, Y. Quilfen, B. Chapron, S. Fournier, V. Kudryavtsev et al., Multisensor observations of the Amazon-Orinoco river plume interactions with hurricanes, J. Geophys. Res. Oceans, vol.119, pp.8271-8295, 2014.

N. Reul, S. Fournier, J. Boutin, O. Hernandez, C. Maes et al., Sea surface salinity observations from space with the SMOS satellite: a new means to monitor the marine branch of the water cycle, Surv. Geophy, vol.35, pp.681-722, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00914951

N. Reul, J. Tenerelli, B. Chapron, D. Vandemark, Y. Quilfen et al., SMOS satellite L-band radiometer: a new capability for ocean surface remote sensing in hurricanes, J. Geophys. Res, vol.117, p.2006, 2012.

N. Reul, J. Tenerelli, B. Chapron, and P. Waldteufel, Modeling sun glitter at l-band for sea surface salinity remote sensing with SMOS, IEEE Trans. Geosci. Remote Sens, vol.45, pp.2073-2087, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00194613

N. Reul, J. Tenerelli, N. Floury, C. , and B. , Earth-viewing L-band radiometer sensing of sea surface scattered celestial sky radiation. part II: application to SMOS, IEEE Trans. Geosci. Remote Sens, vol.46, pp.675-688, 2008.

C. S. Ruf, S. M. Gross, and S. Misra, RFI detection and mitigation for microwave radiometry with an agile digital detector, IEEE Trans. Geosci. Remote Sens, vol.44, pp.694-706, 2006.

R. Sabia, D. Fernández-prieto, J. Shutler, C. Donlon, P. Land et al., Remote sensing of surface ocean PH exploiting sea surface salinity satellite observations in Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2015.

R. Sabia, M. Klockmann, D. Fernández-prieto, and C. Donlon, Air-sea fluxes and satellite-based estimation of water masses formation, Geophy. Res. Abs, vol.17, pp.2015-13074, 2015.

C. L. Sabine, R. A. Feely, N. Gruber, R. M. Key, J. L. Bullister et al., The oceanic sink for anthropogenic CO2, Science, vol.305, pp.367-371, 2004.
URL : https://hal.archives-ouvertes.fr/hal-02088162

N. H. Saji, B. N. Goswami, P. N. Vinayachandran, Y. , and T. , A dipole mode in the tropical Indian Ocean, Nature, vol.401, pp.360-363, 1999.

J. Salisbury, D. Vandemark, B. Jönsson, W. Balch, S. Chakraborty et al., How can present and future satellite missions support scientific studies that address ocean acidification?, Oceanography, vol.28, pp.108-121, 2015.

J. J. Schanze, R. W. Schmitt, Y. , and L. L. , The global oceanic freshwater cycle: a state-of-the-art quantification, J. Mar. Res, vol.68, pp.569-595, 2010.

R. W. Schmitt, The ocean component of the global water cycle, Rev. Geophys, vol.33, pp.1395-1409, 1995.

R. W. Schmitt, Salinity and the global water cycle, Oceanography, vol.21, pp.12-19, 2008.

R. Seager and G. A. Vecchi, Greenhouse warming and the 21st century hydroclimate of southwestern North America, Proc. Natl. Acad. Sci. U.S.A, vol.107, pp.21277-21282, 2010.

D. Sengupta, B. R. Goddalehundi, and D. S. Anitha, Cyclone-induced mixing does not cool SST in the post-monsoon North Bay of Bengal, Atm. Sci. Lett, vol.9, pp.1-6, 2008.

S. S. Shenoi, D. Shankar, and S. R. Shetye, Difference in heat budgets of the near-surface Arabian Sea and Bay of Bengal: implications for the summer monsoon, J. Geophys. Res. Oceans, vol.107, pp.5-14, 2002.

N. Skliris, R. Marsh, S. A. Josey, S. A. Good, C. Liu et al., Salinity changes in the World Ocean since 1950 in relation to changing surface freshwater fluxes, Clim. Dyn, vol.43, p.709, 2014.

N. Skliris, J. D. Zika, G. Nurser, S. A. Josey, and R. Marsh, Global water cycle amplifying at less than the Clausius-Clapeyron rate, Sci. Rep, vol.6, p.752, 2016.

A. Sommer, G. Reverdin, N. Kolodziejczyk, and J. Boutin, Sea surface salinity and temperature budgets in the North Atlantic subtropical gyre during SPURS experiment, Front. Mar. Sci, vol.2, p.107, 2012.
URL : https://hal.archives-ouvertes.fr/hal-01496976

, From salty to fresh-salinity processes in the upper-ocean regional study-2 (SPURS-2): diagnosing the physics of a rainfall-dominated salinity minimum, SPURS-2 Planning Group, vol.28, pp.150-159, 2015.

D. M. Stammer, P. Balmaseda, A. Heimbach, A. Köhl, and A. Weaver, Ocean data assimilation in support of climate applications: status and perspectives, Ann. Rev. Mar. Sci, vol.8, pp.491-518, 2016.

D. Stammer, K. Ueyoshi, A. Köhl, W. G. Large, S. A. Josey et al., Estimating air-sea fluxes of heat, freshwater, and momentum through global ocean data assimilation, J. Geophys. Res, vol.109, p.5023, 2004.

D. Stammer, C. Wunsch, R. Giering, C. Eckert, P. Heimbach et al., The global ocean circulation during 1992 -1997, estimated from ocean observations and a general circulation model, J. Geophys. Res, vol.107, p.3118, 2002.

D. Stammer, C. Wunsch, I. Fukumori, M. , and J. , State estimation improves prospects for ocean research, EOS AGU Trans, vol.83, pp.289-295, 2002.

A. Stohl, J. , and P. , A Lagrangian analysis of the atmospheric branch of the global water cycle. Part II: Moisture transports between Earth's ocean basins and river catchments, J. Hydrometeor, vol.6, pp.961-984, 2005.

P. A. Stott, R. T. Sutton, and D. M. Smith, Detection and attribution of Atlantic salinity changes, Geophys. Res. Lett, vol.35, p.21702, 2008.

Z. Su, J. Wang, P. Klein, A. F. Thompson, and D. Menemenlis, Ocean submesoscales as a key component of the global heat budget, Nat. Commun, vol.9, p.775, 2018.

B. Subrahmanyam, B. C. Trott, and V. S. Murty, Detection of intraseasonal oscillations in SMAP salinity in the Bay of Bengal, Geophys. Res. Lett, vol.45, pp.7057-7065, 2018.

A. Supply, J. Boutin, J. Vergely, N. Martin, A. Hasson et al., Precipitation estimates from SMOS sea-surface salinity, Q. J. R. Meteorol. Soc, vol.144, pp.103-119, 2017.
URL : https://hal.archives-ouvertes.fr/insu-01563248

C. T. Swift and R. E. Mcintosh, Considerations for microwave remote sensing of ocean-surface salinity, IEEE Trans. Geosci. Remote Sens, vol.4, pp.480-491, 1983.

W. Tang, A. Fore, S. Yueh, T. Lee, A. Hayashi et al., Validating SMAP SSS with in-situ measurements, Rem. Sens. Environ, vol.200, pp.326-340, 2017.

W. Tang, S. Yueh, A. Fore, G. Neumann, A. Hayashi et al., The rain effect on Aquarius' L-band sea surface brightness temperature and radar backscatter, Remote Sens. Environ, vol.137, pp.147-157, 2013.

W. Tang, S. H. Yueh, A. G. Fore, and A. A. Hayashi, Validation of Aquarius sea surface salinity with in situ measurements from Argo floats and moored buoys, J. Geophys. Res. Oceans, vol.119, pp.6171-6189, 2014.

L. Terray, L. Corre, S. Cravatte, T. Delcroix, G. Reverdin et al., Near-surface salinity as nature's rain gauge to detect human influence on the tropical water cycle, J. Climate, vol.25, pp.958-977, 2012.

P. Thadathil, I. Suresh, S. Gautham, S. Prasanna-kumar, M. Lengaigne et al., Intraseasonal to interannual variability of surface layer temperature inversion in the Bay of Bengal: main characteristics and related mechanisms, J. Geophys. Res, vol.121, pp.5682-5696, 2016.

T. Toyoda, Y. Fujii, T. Kuragano, J. P. Matthews, H. Abe et al., Improvements to a global ocean data assimilation system through the incorporation of aquarius surface salinity data, Q. J. Roy. Meteor. Soc, vol.141, pp.2750-2759, 2015.

K. E. Trenberth, Atmospheric moisture residence times and cycling: implications for rainfall rates and climate change, Clim. Change, vol.39, pp.667-694, 1998.

K. E. Trenberth, Atmospheric moisture recycling: role of advection and local evaporation, J. Climate, vol.12, pp.1368-1381, 1999.

K. E. Trenberth and C. J. Guillemot, Evaluation of the global atmospheric moisture budget as seen from analyses, J. Climate, vol.8, pp.2255-2272, 1995.

K. E. Trenberth, L. Smith, T. Qian, A. Dai, and J. Fasullo, Estimates of the global water budget and its annual cycle using observational and model data, J. Hydrometeor, vol.8, pp.758-769, 2007.

R. J. Van-der-ent, H. H. Savenije, B. Schaefli, and S. C. Steele-dunne, Origin and fate of atmospheric moisture over continents, Water Resour. Res, vol.46, p.9525, 2010.

J. Vialard and P. Delecluse, An OGCM study for the TOGA decade. Part I: role of salinity in the physics of the western pacific fresh pool, J. Phys. Ocaenogr, vol.28, pp.1071-1088, 1998.
DOI : 10.1175/1520-0485(1998)028<1089:aosftt>2.0.co;2

URL : http://dml.cz/bitstream/handle/10338.dmlcz/141430/CommentatMathUnivCarolRetro_52-2011-1_7.pdf

E. M. Vincent, M. Lengaigne, G. Madec, J. Vialard, G. Samson et al., Processes setting the characteristics of sea surface cooling induced by tropical cyclones, J. Geophys. Res, vol.117, p.2020, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00758293

N. T. Vinogradova, Synergistic use of satellite and in situ observations for production of multi-platform ocean state estimates for climate research, NASA Hyperwall Lecture Series. Available, 2018.

N. T. Vinogradova and R. M. Ponte, Assessing temporal aliasing in satellite-based salinity measurements, J. Atmos. Oceanic Tech, vol.29, pp.1391-1400, 2012.

N. T. Vinogradova and R. M. Ponte, Clarifying the link between surface salinity and freshwater fluxes on monthly to interannual time scales, J. Gephys. Res, vol.118, pp.2190-3201, 2013.

N. T. Vinogradova and R. M. Ponte, Small-scale variability in sea surface salinity and implications for satellite-derived measurements, J. Atmos. Oceanic Tech, vol.30, pp.2689-2694, 2013.

N. T. Vinogradova and R. M. Ponte, In search of fingerprints of the recent intensification of the ocean water cycle, J. Clim, vol.30, pp.5513-5528, 2017.

N. T. Vinogradova, R. M. Ponte, I. Fukumori, W. , and O. , Estimating satellite salinity errors for assimilation of Aquarius and SMOS data into climate models, J. Geophys. Res. Oceans, vol.119, pp.4732-4744, 2014.

E. K. Vizy and K. H. Cook, Influence of the Amazon/Orinoco Plume on the summertime Atlantic climate, J. Geophys Res. Oceans, vol.115, 2010.

W. Wang, M. Chen, and A. Kumar, An assessment of the CFS real-time seasonal forecasts, Weather Forecast, vol.25, pp.950-969, 2010.

S. J. Weaver and S. Nigam, Variability of the great plains low-level jet: large-scale circulation context and hydroclimate impacts, J. Climate, vol.21, pp.1532-1551, 2008.

S. J. Weaver, A. Ruiz-barradas, and S. Nigam, Pentad evolution of the 1988 drought and 1993 flood over the great plains: an NARR perspective on the atmospheric and terrestrial water balance, J. Climate, vol.22, pp.5366-5384, 2009.

S. J. Weaver, S. Schubert, W. , and H. , Warm season variations in the low-level circulation and precipitation over the central United States in observations. AMIP simulations, and idealized SST experiment, J. Clim, vol.22, pp.5401-5420, 2009.

H. C. Wood, J. D. Robar, A. Kavadas, and P. E. Vandall, The Remote Measurement of Water Salinity Using RF Radiometer Techniques, Can. J. Remote Sens, vol.1, pp.67-69, 1975.

C. B. Woodson and S. Y. Litvin, Ocean fronts drive marine fishery production and biogeochemical cycling, Proc. Natl. Acad. Sci. U.S.A, vol.112, pp.1710-1715, 2015.

C. Wunsch, Modern Observational Physical Oceanography, 2015.

C. Wunsch, P. Heimbach, and J. , Dynamically and kinematically consistent global ocean circulation and ice state estimates, " in Ocean Circulation and Climate: A 21 Century Perspective, 2013.

P. Xie, T. Boyer, E. Bayler, Y. Xue, D. Byrne et al., An in situsatellite blended analysis of global sea surface salinity, J. Geophys. Res. Oceans, vol.119, pp.6140-6160, 2014.

X. Yin, J. Boutin, G. Reverdin, T. Lee, S. Arnault et al., SMOS sea surface salinity signals of tropical instability waves, J. Geophys. Res. Oceans, vol.119, pp.7811-7826, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01103198

L. Yu, A global relationship between the ocean water cycle and near-surface salinity, J. Geophys. Res, vol.116, p.10025, 2011.

L. Yu, Coherent evidence from Aquarius and Argo for the existence of a shallow low-salinity convergence zone beneath the Pacific ITCZ, J. Geophys. Res. Oceans, vol.119, pp.7625-7644, 2014.

L. Yu, Sea-surface salinity fronts and associated salinity minimum zones in the tropical ocean, J. Geophys. Res. Oceans, vol.120, pp.4205-4225, 2015.

S. Yueh, W. Tang, A. Fore, A. Hayashi, Y. T. Song et al., Aquarius geophysical model function and combined active passive algorithm for ocean surface salinity and wind retrieval, J. Geophys. Res. Oceans, vol.119, pp.5360-5379, 2014.

S. Yueh, W. Tang, A. Fore, G. Neumann, A. Hayashi et al., L-band passive and active microwave geophysical model functions of ocean surface winds and applications to Aquarius retrieval, IEEE Trans. Geosci. Remote Sens, vol.51, pp.4619-4632, 2013.

S. H. Yueh, S. Dinardo, A. Fore, L. , and F. , Passive and Active L-Band Microwave Observations and Modeling of Ocean Surface Winds, IEEE Trans. Geosci. Remote Sens, vol.48, pp.3087-3100, 2010.

L. Zeng, T. Liu, H. Xue, P. Xiu, W. et al., Freshening in the South China Sea during 2012 revealed by Aquarius and in situ data, J. Geophys. Res. Ocens, vol.119, pp.8296-8314, 2014.

C. Zhang, Madden-Julian Oscillation, Rec. Geophys, vol.43, p.2003, 2005.

T. Zhou, Y. , and R. , Atmospheric water vapor transport associated with typical anomalous summer rainfall patterns in China, J. Geophys. Res. Atmos, vol.110, p.8104, 2005.

J. Zhu, B. Huang, Z. Rong-hua, H. Zeng-zhen, A. Kumar et al., Salinity anomaly as a trigger for ENSO events, Sci. Rep, vol.4, p.6821, 2014.

J. D. Zika, N. Skliris, A. T. Blaker, R. Marsh, A. G. Nurser et al., Improved estimates of water cycle change from ocean salinity: the key role of ocean warming, Environ. Res. Lett, vol.13, pp.1-10, 2018.