Michael Durand
Michael Durand  Email | Website
Ohio State University
River Algorithms, Models & Data Assimilation
Project
Development and Comprehensive Validation of SWOT River Discharge Algorithms from AirSWOT, Simulator, and Field Measurements
Co-Investigators
David Bjerklie, Colin Gleason
Recent SWOT-related Publications | See All
Characterizing Water Surface Elevation Under Different Flow Conditions for the Upcoming SWOT Mission (2018)
Discharge Estimation in Ungauged Basins Through Variational Data Assimilation: The Potential of the SWOT Mission (2018)
Automated River Reach Definition Strategies: Applications for the Surface Water and Ocean Topography Mission (2017)
Tracking River Flows from Space (2017)

Meeting Presentations (61)

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Discharge Product Development Meeting: Agenda and Goals [presentation]
Durand, M. (29-Jun-18)
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Discharge Data Products and Mission Operations [presentation]
Durand, M. (29-Jun-18)
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Getting SWOT Discharge Products to Pass the Smell Test [presentation]
Gleason, C.J. and Durand, M.T. (29-Jun-18)
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Intercomparison of Discharge Estimation Methods from Synthetic River Surface Observations from Space (SWOT-like Data) [presentation]
Garambois, P-A., Larnier, K., and Durand, M. (29-Jun-18)
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MetroMan Preliminary Pepsi 2 Results [presentation]
Tuozzolo, S., Frasson, R., and Durand, M. (29-Jun-18)
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SWOT Consensus Algorithm [presentation]
Frasson, R., Durand, M., and Wei, R. (29-Jun-18)
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Data Products: What Comes Next? [presentation]
Frasson, R., Durand, M., and Wei, R. (29-Jun-18)
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Update: A Priori River Database [presentation]
Pavelsky, T. and Durand, M. (27-Jun-18)
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Enhanced Width: Can We Use River Height Measurements to Improve River Width? [presentation]
Durand, M., Pavelsky, T., and Hagemann, M. (27-Jun-18)
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River Vector Product Status [presentation]
Frasson, R., Durand, M., Callahan, P., Turk, J., Pottier, C., Biancamaria, S., Williams, B., and Wei, R. (27-Jun-18)
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Lake Data Product Status [presentation]
Pottier, C., Biancamaria, S., Callahan, P., Turk, J., Durand, M., and Frasson, R. (27-Jun-18)
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Learning Continental Water Fluxes from Space - From Hydrodynamic Modeling to River Discharge Products [presentation]
Garambois, P-A. and Durand, M. (26-Jun-18)
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River Products from RiverObs [presentation]
Durand, M., Wei, R., and Frasson, R. (26-Jun-18)
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River Data Product Status [presentation]
Durand, M., Frasson, R., Wei, R. (27-Jun-17)
Expected Advance of SWOT Discharge [discussion]
Durand, M. (27-Jun-17)
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Progress and Remaining Tasks for A Priori River Database [presentation]
Pavelsky, T., Durand, M., Lion, C., and Schumann, G. (27-Jun-17)
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Hydrology Data Products: Current Status and On-Going Work [presentation]
Pottier, C., Callahan, P., Durand, M., Pavelsky, T., Biancamaria, S., and Cretaux, J-F. (26-Jun-17)
Poster not available
Integrating Lateral Contributions Along River Reaches to Improve SWOT Discharge Estimates [poster]
Beighley, E., Zhao, Y., Feng, D., Fisher, C.K., Raoufi, R., Durand, M.T., David, C.H., Lee, H., Boone, A.A., and Cretaux, J-F. (13-Dec-16). One derived data product planned for the SWOT mission is river discharge. Although there are several discharge algorithms that perform well for a range of conditions, this effort is focused on the MetroMan discharge algorithm. For example, in MetroMan, lateral inflow assumptions have been shown to impact performance. Here, the role of lateral inflows on discharge estimate performance is investigated.
Poster
Characterizing AirSWOT Elevation Accuracy on the Willamette River, Oregon [poster]
Tuozzolo, S., Overstreet, B.T., Mangano, J., Minear, J.T., Stringham, C., Chen, C.W., Pavelsky, T., Frasson, R.P.M., Fonstad, M.A., Wei, R., and Durand, M.T. (13-Dec-16). The upcoming Surface Water and Ocean Topography (SWOT) mission aims to map the world's freshwater resources using Ka-band interferometric radar. In anticipation of the SWOT mission, an airborne calibration/validation system, AirSWOT, has been developed to generate SWOT-like measurements of oceanic and surface waters.
Poster
Developing a Global Network of River Reaches in Preparation for SWOT [poster]
Lion, C., Pavelsky, T., Allen, G.H., Beighley, E., Schumann, G., and Durand, M.T. (13-Dec-16). A priori dataset for rivers is needed in order to facilitate analysis of raw SWOT data. The information required to produce this dataset includes measurements of river width, elevation, slope, planform, river network topology, and flow accumulation. To produce this product, we have linked two existing global datasets: the Global River Widths from Landsat (GRWL) database, which contains river centerline locations, widths, and a braiding index derived from Landsat imagery, and a modified version of the HydroSHEDS hydrologically corrected digital elevation product, which contains heights and flow accumulation measurements for streams at 3 arcseconds spatial resolution.
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Forward to the Future: Estimating River Discharge with McFLI [presentation]
Gleason, C.J., Durand, M.T., and Garambois, P-A. (13-Dec-16). SWOT's anticipated measurements of river surface height and area have ushered in a new technique in hydrology - what we are here calling Mass conserved Flow Law Inversions, or McFLI. McFLI algorithms leverage classic hydraulic flow expressions (e.g. Manning's Equation, hydraulic geometry) within mass conserved river reaches to construct a simplified but still underconstrained system of equations to be solved for an unknown discharge. We here outline the progress to date for McFLI techniques, and highlight three key areas for future development.
Poster
GRRATS: A New Approach to Inland Altimetry Processing for Major World Rivers [poster]
Coss, S.P., Tuozzolo, S., Durand, M., Yi, Y., Jia, Y, Guo, Q., Shum, C.K., Allen, G., Calmant, S., and Pavelsky, T. (13-Dec-16). Here we present work-in-progress results aimed at generating a new radar altimetry dataset GRRATS (Global River Radar Altimetry Time Series) extracted over global ocean-draining rivers wider than 900 m.
Poster
Impacts of River Segmentation Strategies on Reach-averaged Product Uncertainties for the Upcoming Surface Water and Ocean Topography (SWOT) Mission [poster]
Frasson, R.P.M., Wei, R., Minear, J.T., Tuozzolo, S., Domeneghetti, A., and Durand, M.T. (13-Dec-16). Averaging is a powerful method to reduce measurement noise associated with remote sensing observation of water surfaces. However, when dealing with river measurements, the choice of which points are averaged may affect the quality of the products. We examine the effectiveness of three fully automated reach definition strategies. In the first, we break up reaches at regular intervals measured along the rivers' centerlines. The second strategy consists of identifying hydraulic controls by searching for inflection points on water surface profiles. The third strategy takes into consideration river planform features, breaking up reaches according to channel sinuosity.
Poster
Including Stage-dependent Roughness Coefficient in Algorithms to Estimate River Discharge from Remotely Sensed Water Elevation, Width, and Slope [poster]
Durand, M.T., Gleason, C.J., Bjerklie, D.M., Garambois, P-A., Smith, L.C., Roux, H., Rodriguez, E., and Tuozzolo, S. (13-Dec-16). We present a dataset of model-derived effective roughness coefficient timeseries, and power-law type models for how the roughness coefficient varies with flow and with stage, for ten rivers. We then provide side-by-side comparisons of discharge algorithm performance including and omitting the variable roughness coefficient. We explore empirical and physically-based methods of approximating the parameters in the roughness coefficient model. Finally, we characterize the expected discharge accuracy from these approaches in various types of rivers.
Poster
Novel AirSWOT Measurements of River Height and Slope, Tanana River, AK [poster]
Altenau, E.H., Pavelsky, T., Moller, D., Lion, C., Pitcher, L.H., Allen, G.H., Bates, P.D., Calmant, S., Durand, M.T., and Smith, L.C. (13-Dec-16). The Surface Water and Ocean Topography (SWOT) satellite mission aims to increase our knowledge of the global water cycle by providing 2D measurements of terrestrial and ocean water surface elevations (WSE). For the first time, SWOT will provide high accuracy heights and slopes of rivers 100 m wide and greater for the majority of the globe. Here, we present new measurements of river height and slope from AirSWOT, the SWOT mission's airborne analog.
Poster
Simultaneous Estimation of Discharge, Bathymetry and Friction from Synthetic SWOT Data Using Variational Data Assimilation [poster]
Oubanas, H., Gejadze, I., Malaterre, P-O., Durand, M., Mercier, F., and Domeneghetti, A. (13-Dec-16). Variational data assimilation has been used to assimilate water surface elevation, slope and river top width, outputs of the forthcoming SWOT simulator, for simultaneous estimation of inflow discharge, river bathymetry and/or friction. This method has been applied in two benchmarks of the SWOT Discharge Algorithm Working Group using the 1D full Saint-Venant hydraulic model SIC2, developed at Irstea-Montpellier (France).
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AirSWOT Hydrology [presentation]
Pavelsky, T., Durand, M., Rodriguez, E., Michailovsky, C., and Humphries, E. (15-Jun-16)
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Current Status and Future Plans of Non-DA Discharge Estimation [presentation]
Bjerklie, D., Durand, M., Garambois, P.-A., Gleason, C., Monnier, J., and Roux, H. (15-Jun-16)
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Discharge Algorithm Working Group (DAWG) [presentation]
Gleason, C., Durand, M., Garambois, P-A., Roux, H., Bjerklie, D., and Monnier, J. (15-Jun-16)
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Producing Reach-Averaged Data Products [presentation]
Frasson, R., Wei, R., and Durand, M. (15-Jun-16)
Poster
Application of RiverObs to SWOT Instrument Simulator Data [poster]
Wei, R., Frasson, R., and Durand, M. (14-Jun-16)
Poster
In-situ Measurements of Water Surface Elevation and Width for Discharge Algorithm Development [poster]
Tuozzolo, S., Durand, M., and Pavelsky, T. (14-Jun-16)
Poster
Preliminary Results from the 2015 AirSWOT Campaign: Tanana River, Alaska [poster]
Altenau, E., Pavelsky, T., Lion, C., Pitcher, L., Allen, G., Bates, P., Butman, D., Calmant, S., Durand, M., Moller, D., and Smith, L. (14-Jun-16)
Presentation not available
Hydrology Simulator [presentation]
Williams, B., Rodriguez, E., Biancamaria, S., Durand, M., and Blumstein, D. (13-Jun-16)
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Hydrology Data Products Summary [presentation]
Durand, M. (09-Jul-15)
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AirSWOT for Discharge Algorithm Validation: Sacramento & Willamette Flights, March 2015 [presentation]
Durand, M. (08-Jul-15)
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Adapting Models for Simulator Inputs [presentation]
Durand, M., Humphries, E., and Ricci, S. (08-Jul-15)
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Hydrology Data Products [presentation]
Durand, M. (08-Jul-15)
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Discharge Algorithm Working Group Update [presentation]
Roux, H., Durand, M., Gleason, C., Garambois, P-A., Bjerklie, D., and Smith, L. (07-Jul-15)
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Discharge Algorithm Working Group Update [presentation]
Durand, M. and Roux, H. (15-Jan-15)
Presentation not available
AirSWOT Hydrology Campaign Update [presentation]
Rodriguez, E., Cretaux, J-F., and Durand, M. (14-Jan-15)
Presentation not available
Characterizing River Slope and River Height/Slope Errors [presentation]
Pavelsky, T., Durand, M., Allen, G., Esteban-Fernandez, D., and Peral, E. (14-Jan-15)
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Digital Elevation Models (DEMs) and SWOT [presentation]
Pavelsky, T., Esteban-Fernandez, D., Rodriguez, E., Andreadis, K., Biancamaria, S., Cretaux, J-F., Durand, M., Fjørtoft, R., Lettenmaier, D., and Smith, L. (14-Jan-15)
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River Data Products and Functional Flow [presentation]
Durand, M. and Biancamaria, S. (14-Jan-15)
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Discharge Splinter [presentation]
Durand, M. and Martin, E. (16-Jan-14)
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The Impact of SWOT on Hydrologic Science: Part One, Rivers & Floodplains [presentation]
Durand, M., Pavelsky, T., Smith, L., Gleason, C., Cretaux, J-F., Hossain, F., and Biancamaria, S. (14-Jan-14)
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Water Storage from Local to Global from Now to SWOT [presentation]
Cretaux, J-F., Durand, M., Pavelsky, T., Smith, L., Aires, F., Yesou, H., Biancamaria, S., and Lemoigne, P. (14-Jan-14)
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Exploring Feasibility and Accuracy of SWOT Discharge Algorithms [presentation]
Durand, M. (28-Jan-13)
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Storage Change Science and Algorithms [presentation]
Lee, H., Biancamaria, S., Durand, M., Jung, H.C., Alsdorf, D., Shum, C.K., Sheng, Y. and Mognard, N. (23-Sep-10)
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Discharge Algorithms [presentation]
Durand, M. (23-Sep-10)
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SWOT and Data Assimilation [presentation]
Andreadis, K., Durand, M., Biancamaria, S., Yoon, Y., Moller, D., and Rodriguez, E., Clark, E. Bates, P., Alsdorf, D., Lettenmaier, D., and Mognard, N. (23-Sep-10)
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Instantaneous Discharge Algorithms [presentation]
Durand, M. (22-Sep-10)
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Data Assimilation for Discharge, Ob River Example [presentation]
Biancamaria, S., Durand, M., Andreadis, K., Bates, P., Boone, A., Mongard, N., Rodriguez, E., Alsdorf, D., Lettenmaier, D., and Clark, E. (22-Sep-10)
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SWOT’s Ability to Observe Storage Change [presentation]
Lee, H., Durand, M., Jung, H.C., Alsdorf, D., Shum, C.K., and Sheng, Y. (02-Mar-10)
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Global Lake Storage Change [presentation]
Biancamaria, S., Andreadis, K., Durand, M., Clark, E., Rodriguez, E., Mongard, N., Alsdorf, D., Lettenmaier, D., and Oudin, Y. (02-Mar-10)
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SWOT Temporal Sampling and Discharge Error [presentation]
Biancamaria, S., Andreadis, K., Durand, M., Clark, E., Rodriguez, E., Mongard, N., Alsdorf, D., Lettenmaier, D., and Oudin, Y. (02-Mar-10)
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Estimating Channel Bathymetry from SWOT Observations [presentation]
Durand, M., Alsdorf, D., Andreadis, K., Lettenmaier, D., Moller, D., Wilson, M., Rodriguez, E., and Trigg, M. (02-Mar-10)
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Data Assimilation in the SWOT Virtual Mission [presentation]
Andreadis, K., Biancamaria, S., Durand, M., Clark, E., Alsdorf, D., Moller, D., Rodriguez, E., Lettenmaier, D., and Mongard, N. (02-Mar-10)
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How Will Discharge be Estimated by SWOT? [presentation]
Durand, M., Alsdorf, D., Rodriguez, E., Andreadis, K., Clark, E., and Lettenmaier, D. (15-Sep-08)
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SWOT Spatio-temporal Errors from In-situ Measurements [presentation]
Biancamaria, S., Mongard, N., Oudin, Y., Durand, M., Rodriguez, E., Clark, E., Andreadis, K., Alsdorf, D., and Lettenmaier, D. (15-Sep-08)
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Global Rivers That Will Be Observed by SWOT and Their Characteristics [presentation]
Andreadis, K., Clark, E., Durand, M., Biancamaria, S., Rodriguez, E., Lettenmaier, D., and Alsdorf, D. (15-Sep-08)

Publications (24)

Domeneghetti, A., Schumann, G., Frasson, R.P.M., Wei, R., Pavelsky, T., Castellarin, A., Brath, A., and Durand, M. (2018). Characterizing Water Surface Elevation Under Different Flow Conditions for the Upcoming SWOT Mission, J. Hydrol., doi: 10.1016/j.jhydrol.2018.04.046.
Oubanas, J., Gejadze, I., Malaterre, P-O., Durand, M., Wei, R., Frasson, R.P.M., and Domeneghetti, A. (2018). Discharge Estimation in Ungauged Basins Through Variational Data Assimilation: The Potential of the SWOT Mission, Water Resour. Res., 54, doi:10.1002/2017WR021735.
Frasson, R.P.M., Wei, R., Durand, M., Minear, J.T., Domeneghetti, A., Schumann, G., and Garambois, P.A. (2017). Automated River Reach Definition Strategies: Applications for the Surface Water and Ocean Topography Mission, Water Resour. Res., 53 (10), 8164-8186, doi: 10.1002/2017WR020887.
Gleason, C.J., Garambois, P-A., and Durand, M. (2017). Tracking River Flows from Space, EOS, 98, doi: 10.1029/2017EO078085.
Altenau, E.H., Pavelsky, T.M, Moller, D., Lion, C., Pitcher, L.H., Allen, G., Bates, P.D., Calmant, S., Durand, M., and Smith, L.C. (2017). AirSWOT Measurements of River Water Surface Elevation and Slope: Tanana River, AK, Geophys. Res. Lett., 44(1), 181-189, doi: 10.1002/2016GL071577.
Durand, M., Gleason, C.J., Garambois, P.A., Bjerklie, D., Smith, L.C., Roux, H., Rodriguez, E., Bates, P.D., Pavelsky, T.M., Monnier, J., Chen, X., Di Baldassarre, G., Fiset, J-M., Flipo, N., Frasson, R.P.D., Fulton, J., Goutal, H., Hossain, F., Humphries, E., Minear, J.T., Mukolwe, M.M., Neal, J.C., Ricci, S., Sanders, B.F., Schumann, G., Schubert, J.E., and Vimlin, L. (2016). An Intercomparison of Remote Sensing River Discharge Estimation Algorithms from Measurements of River Height, Width, and Slope, Water Resour. Res., 52, 4527-4549, doi: 10.1002/2015WR018434.
O'Loughlin, F.E., Paiva, R.C.D., Durand, M., Alsdorf, D.E., and Bates, P.D. (2016). A Multi-sensor Approach Towards a Global Vegetation Corrected SRTM DEM Product, Remote Sens. Environ., 182, 49-59, ISSN 0034-4257, doi: 10.1016/j.rse.2016.04.018.
Bonnema, M., Sikder, S., Hossain, F., Bjerklie, D., Durand M., and Gleason, C. (2016). Benchmarking Wide Swath Altimetry Based River Discharge Estimation Algorithms for the Ganges River System, Water Resour. Res., 52, 2439-2461, doi: 10.1002/2015WR017296.
Yoon, Y., Garambois, P-A., Paiva, R.C.D., Durand, M., Roux, H., and Beighley, E. (2016). Improved Error Estimates of a Discharge Algorithm for Remotely Sensed River Measurements: Test Cases on Sacramento and Garonne Rivers, Water Resour. Res., 52(1), 278-294, doi: 10.1002/2015WR017319.
Wilson, M.D., Durand, M., Jung, H.C., and Alsdorf, D. (2015). Swath-altimetry Measurements of the Main Stem Amazon River: Measurement Errors and Hydraulic Implications, Hydrol. Earth Syst. Sci., 19(4), 1943-1959, doi: 10.5194/hess-19-1943-2015.
Paiva, R.C.D., Durand, M.T., and Hossain, F. (2015). Spatiotemporal Interpolation of Discharge Across a River Network by Using Synthetic SWOT Satellite Data, Water Resour. Res., 51, 430-449, doi:10.1002/2014WR015618.
Pavelsky, T.M., Durand, M.T., Andreadis, K.M., Beighley, R.E., Paiva, R.C., Allen, G.H., and Miller, Z.F. (2014). Assessing the Potential Global Extent of SWOT River Discharge Observations, J. Hydrol., 519, 1516-1525, doi: 10.1016/j.jhydrol.2014.08.044.
Durand, M., Neal, J., Rodríguez, E., Andreadis, K.M., Smith, L.C., and Yoon, Y. (2014). Estimating Reach-averaged Discharge for the River Severn from Measurements of River Water Surface Elevation and Slope, J. Hydrol., 511, 92-104, doi: 10.1016/j.jhydrol.2013.12.050.
Mersel, M.K., Smith, L.C., Andreadis, K.M., Durand, M.T. (2013). Estimation of River Depth from Remotely Sensed Hydraulic Relationships, Water Resour. Res., 49, 3165-3179, doi: 10.1002/wrcr.20176.
Yoon, Y., Durand, M., Merry, C., Rodríguez, E. (2013). Improving Temporal Coverage of the SWOT Mission Using Spatiotemporal Kriging, IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens., 6(3), 1719-1729, doi: 10.1109/JSTARS.2013.2257697.
Papa, F., Bala, S.K., Pandey, R.K., Durand, F., Gopalakrishna, V.V., Rahman A., and Rossow, W.B. (2012). Ganga-Brahmaputra River Discharge from Jason-2 Radar Altimetry: An Update to the Long-term Satellite-derived Estimates of Continental Freshwater Forcing Flux into the Bay of Bengal, J. Geophys. Res., 117, C11021, doi: 10.1029/2012JC008158.
Yoon, Y., Durand, M., Merry, C., Clark, E., Andreadis, K., and Asldorg, D. (2012). Estimating River Bathymetry from Data Assimilation of Synthetic SWOT Measurements, J. Hydrol. 464, 363-375, doi: 10.1016/j.jhydrol.2012.07.028.
Papa, F., Durand, F., Rossow, W.B., Rahman, A., and Bala, S.K. (2010). Satellite Altimeter-derived Monthly Discharge of the Ganga-Brahmaputra River and its Seasonal to Interannual Variations from 1993 to 2008, J. Geophys. Res., 115, C12013, doi: 10.1029/2009JC006075.
Biancamaria S., Durand, M., Andreadis, K.M., Bates, P.D., Boone, A., Mognard, N.M., Rodríguez, E., Alsdorf, D.E., Lettenmaier, D.P., and Clark, E.A. (2010). Assimilation of Virtual Wide Swath Altimetry to Improve Arctic River Modeling, Remote Sens. Environ., 115(2), 373-381, doi: 10.1016/j.rse.2010.09.008.
Lee, H., Durand, M., Jung, H.C., Alsdorf, D., Shum, C.K., and Sheng, Y. (2010). Characterization of Surface Water Storage Changes in Arctic Lakes Using Simulated SWOT Measurements, Int. J. Remote Sens., 31(14), 3931-3953, doi: 10.1080/01431161.2010.483494.
Durand, M., Fu, L-L., Lettenmaier, D.P., Alsdorf, D., Rodríguez, E., and Esteban-Fernandez, D. (2010). The Surface Water and Ocean Topography Mission: Observing Terrestrial Surface Water and Oceanic Submesoscale Eddies, Proceedings of the IEEE, 98(5), 766-779, doi: 10.1109/JPROC.2010.2043031.
Durand, M., Rodríguez, E., Alsdorf, D.E., and Trigg, M. (2009). Estimating River Depth from Remote Sensing Swath Interferometry Measurements of River Height, Slope, and Width, IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens., 3(1), 20-31, doi: 10.1109/JSTARS.2009.2033453.
Biancamaria S., Andreadis, K.M., Durand, M., Clark, E.A., Rodríguez, E., Mognard, N.M., Alsdorf, D.E., Lettenmaier, D.P., and Oudin, Y. (2009). Preliminary Characterization of SWOT Hydrology Error Budget and Global Capabilities, IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens., 3(1), 6-19, doi: 10.1109/JSTARS.2009.2034614.
Durand, D., Andreadis, K.M., Alsdorf, D.E., Lettenmaier, D.P., Moller, D., and Wilson, M. (2008). Estimation of Bathymetric Depth and Slope from Data Assimilation of Swath Altimetry into a Hydrodynamic Model, Geophys. Res. Lett., 35, L20401, doi: 10.1029/2008GL034150.