Search Results - "KERR, Y.H."

Overview of SMOS performance in terms of global soil moisture monitoring after six years in operation by Kerr, Y.H., Al-Yaari, A., Rodriguez-Fernandez, N., Parrens, M., Molero, B., Leroux, D., Bircher, S., Mahmoodi, A., Mialon, A., Richaume, P., Delwart, S., Al Bitar, A., Pellarin, T., Bindlish, R., Jackson, T.J., Rüdiger, C., Waldteufel, P., Mecklenburg, S., Wigneron, J.-P.

“…The Soil Moisture and Ocean Salinity satellite (SMOS) was launched in November 2009 and started delivering data in January 2010. The commissioning phase ended…”
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Assessment and inter-comparison of recently developed/reprocessed microwave satellite soil moisture products using ISMN ground-based measurements by Al-Yaari, A., Wigneron, J.-P., Dorigo, W., Colliander, A., Pellarin, T., Hahn, S., Mialon, A., Richaume, P., Fernandez-Moran, R., Fan, L., Kerr, Y.H., De Lannoy, G.

“…Soil moisture (SM) is a key state variable in understanding the climate system through its control on the land surface energy, water budget partitioning, and…”
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Global-scale comparison of passive (SMOS) and active (ASCAT) satellite based microwave soil moisture retrievals with soil moisture simulations (MERRA-Land) by Al-Yaari, A., Wigneron, J.-P., Ducharne, A., Kerr, Y.H., Wagner, W., De Lannoy, G., Reichle, R., Al Bitar, A., Dorigo, W., Richaume, P., Mialon, A.

“…Global surface soil moisture (SSM) datasets are being produced based on active and passive microwave satellite observations and simulations from land surface…”
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SMOS: The Mission and the System by Barre, H.M.J., Duesmann, B., Kerr, Y.H.

“…Soil Moisture and Ocean Salinity (SMOS) is an Earth observation mission developed by the European Space Agency in cooperation with the Centre National d'Etudes…”
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Soil moisture retrieval from space: the Soil Moisture and Ocean Salinity (SMOS) mission by Kerr, Y.H., Waldteufel, P., Wigneron, J.-P., Martinuzzi, J., Font, J., Berger, M.

“…Microwave radiometry at low frequencies (L-band: 1.4 GHz, 21 cm) is an established technique for estimating surface soil moisture and sea surface salinity with…”
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Assimilation of SMOS soil moisture and brightness temperature products into a land surface model by Lievens, H., De Lannoy, G.J.M., Al Bitar, A., Drusch, M., Dumedah, G., Hendricks Franssen, H.-J., Kerr, Y.H., Tomer, S.K., Martens, B., Merlin, O., Pan, M., Roundy, J.K., Vereecken, H., Walker, J.P., Wood, E.F., Verhoest, N.E.C., Pauwels, V.R.N.

“…The Soil Moisture and Ocean Salinity (SMOS) mission has the potential to improve the predictive skill of land surface models through the assimilation of its…”
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Roughness and vegetation parameterizations at L-band for soil moisture retrievals over a vineyard field by Fernandez-Moran, R., Wigneron, J.-P., Lopez-Baeza, E., Al-Yaari, A., Coll-Pajaron, A., Mialon, A., Miernecki, M., Parrens, M., Salgado-Hernanz, P.M., Schwank, M., Wang, S., Kerr, Y.H.

“…The capability of L-band radiometry to monitor surface soil moisture (SM) at global scale has been analyzed in numerous studies, mostly in the framework of the…”
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Soil moisture and vegetation optical depth retrievals over heterogeneous scenes using LEWIS L-band radiometer by Barrée, M., Mialon, A., Pellarin, T., Parrens, M., Biron, R., Lemaître, F., Gascoin, S., Kerr, Y.H.

“…•Presentation of a new L-band experiment measuring brightness temperature at high incidence angles.•Impact of high incidence angles in the L-MEB model for SM…”
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A simple parameterization of the L-band microwave emission from rough agricultural soils by Wigneron, J.-P., Laguerre, L., Kerr, Y.H.

“…A simple model for simulating the L-band microwave emission from bare soils is developed. The model is calibrated on a large set of measurements obtained…”
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A Simple Method to Disaggregate Passive Microwave-Based Soil Moisture by Merlin, O., Chehbouni, A., Walker, J.P., Panciera, R., Kerr, Y.H.

“…This paper develops two alternative approaches for downscaling passive microwave-derived soil moisture. Ground and airborne data collected over the Walnut…”
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A Simple Model of the Bare Soil Microwave Emission at L-Band by Escorihuela, M.J., Kerr, Y.H., de Rosnay, P., Wigneron, J.-P., Calvet, J.-C., Lemaitre, F.

“…A simple reflectivity model of a bare soil at L-band is developed to account for the effects of soil roughness at different angles and polarizations. This…”
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Estimates of surface soil moisture under grass covers using L-band radiometry by Saleh, K., Wigneron, J.-P., Waldteufel, P., de Rosnay, P., Schwank, M., Calvet, J.-C., Kerr, Y.H.

“…The scope of this study is to establish the parameters of the L-band (1.4 GHz) Microwave Emission of the Biosphere model (L-MEB) for grass covers, and to…”
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Hydrosphere State (Hydros) Satellite Mission: An Earth System Pathfinder for Global Mapping of Soil Moisture and Land Freeze/Thaw by Entekhabi, Dara, Njoku, Eni G, Houser, Paul, Spencer, Michael, Doiron, Terence, Kim, Yunjin, Smith, Joel, Girard, Ralph, Belair, Stephane, Crow, Wade, Jackson, Thomas J, Kerr, Yann H, Kimball, John S, Koster, Randy, McDonald, Kyle C, O’Neill, Peggy E, Pultz, Terry, Running, Steve W, Shi, Jiancheng, Wood, E, Van Zyl, J

“…The Hydrosphere State Mission (Hydros) is a pathfinder mission in the National Aeronautics and Space Administration (NASA) Earth System Science Pathfinder…”
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Calibration of the L-MEB Model Over a Coniferous and a Deciduous Forest by Grant, J.P., Saleh-Contell, K., Wigneron, J.-P., Guglielmetti, M., Kerr, Y.H., Schwank, M., Skou, N., Van de Griend, A.A.

“…In this paper, the L-band Microwave Emission of the Biosphere (L-MEB) model used in the Soil Moisture and Ocean Salinity (SMOS) Level 2 Soil Moisture algorithm…”
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SMOS Validation and the COSMOS Campaigns by Delwart, S., Bouzinac, C., Wursteisen, P., Berger, M., Drinkwater, M., Martin-Neira, M., Kerr, Y.H.

“…The Soil Moisture and Ocean Salinity (SMOS) mission is a joint ESA-CNES (F)-CDTI (E) mission within the ESA Living Planet Program, and it was the second ESA…”
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Flagging the Topographic Impact on the SMOS Signal by Mialon, A., Coret, L., Kerr, Y.H., Secherre, F., Wigneron, J.-P.

“…Soil moisture retrieval models from the Soil Moisture and Ocean Salinity (SMOS) mission, which is an L-band microwave interferometer, are based on multiangular…”
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Two-year global simulation of L-band brightness temperatures over land by Pellarin, T., Wigneron, J.-P., Calvet, J.-C., Berger, M., Douville, H., Ferrazzoli, P., Kerr, Y.H., Lopez-Baeza, E., Pulliainen, J., Simmonds, L.P., Waldteufel, P.

“…This letter presents a synthetic L-band (1.4 GHz) multiangular brightness temperature dataset over land surfaces that was simulated at a half-degree resolution…”
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Global Simulation of Brightness Temperatures at 6.6 and 10.7 GHz Over Land Based on SMMR Data Set Analysis by Pellarin, T., Kerr, Y.H., Wigneron, J.-P.

“…In the framework of the Soil Moisture and Ocean Salinity mission, a two-year (1987-1988) global simulation of brightness temperatures (TB) at L-band was…”
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Influence of Bound-Water Relaxation Frequency on Soil Moisture Measurements by Escorihuela, M.J., de Rosnay, P., Kerr, Y.H., Calvet, J.-C.

“…In this paper, microwave remote sensing, together with in situ moisture probes, is used to investigate temperature effects on the soil dielectric constant…”
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N-parameter retrievals from L-band microwave observations acquired over a variety of crop fields by Parde, M., Wigneron, J.-P., Waldteufel, P., Kerr, Y.H., Chanzy, A., Sobjaerg, S.S., Skou, N.

“…A number of studies have shown the feasibility of estimating surface soil moisture from L-band passive microwave measurements. Such measurements should be…”
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