Dr. Manuela Girotto

Dr. Manuela Girotto

  • RESEARCH SCIENTIST
  • 301.614.6545
  • NASA/GSFC
  • Mail Code: 610.1
  • Greenbelt , MD 20771
  • Employer: Regents of the University of California
  • Research Interests

    Hydrologic Data Assimilation, snow hydrology modeling and remote sensing, Gravity Recovery And Climate Experiment (GRACE and GRACE-FO) missions, groundwater.

    Education

    Ph.D in Civil and Environmental Engineering
    University of California, Los Angeles (UCLA) - 01/2009-01/2014
    Minors in Atmospheric Science and Geospatial Statistics, GPA: 3.9/4.0
    Thesis: “A snow water equivalent reanalysis approach to explore spatial and temporal variability of the sierra nevada snowpack”

    M.S. in Civil and Environmental Engineering
    Università degli studi di Padova, Padova (Italy) - 09/2005-10/2008
    Thesis: “Analysis of the historic data and estimation of the recharge of a groundwater basin in California.”, Final Mark: 110/110

    B.S. in Civil and Environmental Engineering
    Università degli studi di Padova, Padova (Italy). 09/2002-09/2005
    Thesis: “Analysis of a contaminated groundwater basin in an Industrial Area in Villorba, Treviso”, Final Mark: 110/110 Cum Summa Laude

    Publications

    Refereed

    Lievens, H., M. Demuzere, H.-P. Marshall, et al. R. H. Reichle, L. Brucker, I. Brangers, P. de Rosnay, M. Dumont, M. Girotto, W. W. Immerzeel, T. Jonas, E. J. Kim, I. Koch, C. Marty, T. Saloranta, J. Schöber, and G. J. De Lannoy. 2019. "Snow depth variability in the Northern Hemisphere mountains observed from space." Nature Communications, 10 (1): 4629 [10.1038/s41467-019-12566-y]

    Girotto, M., R. H. Reichle, M. Rodell, et al. Q. Liu, S. Mahanama, and G. J. De Lannoy. 2019. "Multi-sensor assimilation of SMOS brightness temperature and GRACE terrestrial water storage observations for soil moisture and shallow groundwater estimation." Remote Sensing of Environment, 227: 12-27 [10.1016/j.rse.2019.04.001]

    Girotto, M., and M. Rodell. 2019. "Terrestrial water storage." Extreme Hydroclimatic Events and Multivariate Hazards in a Changing Environment, 41-64 [10.1016/b978-0-12-814899-0.00002-x]

    Reichle, R. H., G. J. De Lannoy, Q. Liu, et al. R. D. Koster, J. Kimball, W. Crow, J. V. Ardizzone, P. Chakraborty, D. W. Collins, A. L. Conaty, M. Girotto, L. Jones, J. Kolassa, H. P. Lievens, R. A. Lucchesi, and E. B. Smith. 2017. "Global Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using Assimilation Diagnostics." Journal of Hydrometeorology, 18: 3217-3237 [10.1175/JHM-D-17-0130.1]

    Getirana, A., S. V. Kumar, M. Girotto, and M. Rodell. 2017. "Rivers and floodplains as key components of global terrestrial water storage variability." Geophysical Research Letters, 44 (20): 10,359-10,368 [10.1002/2017GL074684]

    Getirana, A., S. V. Kumar, M. Girotto, and M. Rodell. 2017. "Rivers and floodplains as key components of global terrestrial water storage variability." Geophysical Research Letters, 44 (20): 10359-10368 [10.1002/2017GL074684]

    Girotto, M., G. J. Lannoy, R. H. Reichle, et al. M. Rodell, C. Draper, S. N. Bhanja, and A. Mukherjee. 2017. "Benefits and Pitfalls of GRACE Data Assimilation: a Case Study of Terrestrial Water Storage Depletion in India." Geophysical Research Letters, 44: 4107-4115 [10.1002/2017gl072994]

    Reichle, R. H., C. S. Draper, Q. Liu, et al. M. Girotto, S. P. Mahanama, R. D. Koster, and G. J. De Lannoy. 2017. "Assessment of MERRA-2 Land Surface Hydrology Estimates." Journal of Climate, 30 (8): 2937-2960 [10.1175/jcli-d-16-0720.1]

    Margulis, S. A., G. Cortes, M. Girotto, et al. L. S. Huning, D. Li, and M. Durand. 2016. "Characterizing the Extreme 2015 Snowpack Deficit in the Sierra Nevada (USA) Range and the Implications for Drought Recovery." Geophysical Research Letters, 43 (12): 6341–6349 [10.1002/2016GL068520]

    Girotto, M., G. J. De Lannoy, R. H. Reichle, and M. Rodell. 2016. "Assimilation of gridded terrestrial water storage observations from GRACE into a Land Surface Model." Water Resour. Res., 52: 4164-4183 [10.1002/2015wr018417]

    Margulis, S. A., G. Cortés, M. Girotto, and M. Durand. 2016. "A Landsat-era Sierra Nevada (USA) Snow Reanalysis (1985-2015)." Journal of Hydrometeorology, (2016): [10.1175/JHM-D-15-0177.1]

    Cortés, G., M. Girotto, and S. Margulis. 2016. "Snow Process Estimation over the Extratropical Andes using a Data Assimilation Framework Integrating MERRA data and Landsat Imagery." Water Resources Research, [10.1002/2015WR018376]

    Margulis, S. A., M. Girotto, G. Cortés, and M. Durand. 2015. "A Particle Batch Smoother Approach to Snow Water Equivalent Estimation." Journal of Hydrometeorology, 16 (4): 1752--1772 [http://dx.doi.org/10.1175/JHM-D-14-0177.1]

    Girotto, M., S. A. Margulis, and M. Durand. 2014. "Probabilistic SWE reanalysis as a generalization of deterministic SWE reconstruction techniques." Hydrological Processes, 28 (12): 3875--3895 [10.1002/hyp.9887]

    Girotto, M., G. Cortés, S. A. Margulis, and M. Durand. 2014. "Examining spatial and temporal variability in snow water equivalent using a 27 year reanalysis: Kern River watershed, Sierra Nevada." Water Resources Research, 50 (8): 6713--6734 [10.1002/2014WR015346]

    Cortés, G., M. Girotto, and S. A. Margulis. 2014. "Analysis of sub-pixel snow and ice extent over the extratropical Andes using spectral unmixing of historical Landsat imagery." Remote Sensing of Environment, 141: 64--78 [http://dx.doi.org/10.1016/j.rse.2013.10.023]

    Girotto, M., S. A. Margulis, and M. Durand. 2014. "Probabilistic SWE reanalysis as a generalization of deterministic SWE reconstruction techniques." Hydrological Processes, 28 (12): 3875--3895.

    Barco, J., T. S. Hogue, M. Girotto, D. R. Kendall, and M. Putti. 2010. "Climate signal propagation in southern California aquifers." Water Resources Research, 46 (10): [10.1029/2009WR008376]

    Publications

    Refereed

    Lievens, H., M. Demuzere, H.-P. Marshall, et al. R. H. Reichle, L. Brucker, I. Brangers, P. de Rosnay, M. Dumont, M. Girotto, W. W. Immerzeel, T. Jonas, E. J. Kim, I. Koch, C. Marty, T. Saloranta, J. Schöber, and G. J. De Lannoy. 2019. "Snow depth variability in the Northern Hemisphere mountains observed from space." Nature Communications 10 (1): 4629 [10.1038/s41467-019-12566-y]

    Girotto, M., R. H. Reichle, M. Rodell, et al. Q. Liu, S. Mahanama, and G. J. De Lannoy. 2019. "Multi-sensor assimilation of SMOS brightness temperature and GRACE terrestrial water storage observations for soil moisture and shallow groundwater estimation." Remote Sensing of Environment 227 12-27 [10.1016/j.rse.2019.04.001]

    Girotto, M., and M. Rodell. 2019. "Terrestrial water storage." Extreme Hydroclimatic Events and Multivariate Hazards in a Changing Environment 41-64 [10.1016/b978-0-12-814899-0.00002-x]

    Reichle, R. H., G. J. De Lannoy, Q. Liu, et al. R. D. Koster, J. Kimball, W. Crow, J. V. Ardizzone, P. Chakraborty, D. W. Collins, A. L. Conaty, M. Girotto, L. Jones, J. Kolassa, H. P. Lievens, R. A. Lucchesi, and E. B. Smith. 2017. "Global Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using Assimilation Diagnostics." Journal of Hydrometeorology 18 3217-3237 [10.1175/JHM-D-17-0130.1]

    Getirana, A., S. V. Kumar, M. Girotto, and M. Rodell. 2017. "Rivers and floodplains as key components of global terrestrial water storage variability." Geophysical Research Letters 44 (20): 10,359-10,368 [10.1002/2017GL074684]

    Getirana, A., S. V. Kumar, M. Girotto, and M. Rodell. 2017. "Rivers and floodplains as key components of global terrestrial water storage variability." Geophysical Research Letters 44 (20): 10359-10368 [10.1002/2017GL074684]

    Girotto, M., G. J. Lannoy, R. H. Reichle, et al. M. Rodell, C. Draper, S. N. Bhanja, and A. Mukherjee. 2017. "Benefits and Pitfalls of GRACE Data Assimilation: a Case Study of Terrestrial Water Storage Depletion in India." Geophysical Research Letters 44 4107-4115 [10.1002/2017gl072994]

    Reichle, R. H., C. S. Draper, Q. Liu, et al. M. Girotto, S. P. Mahanama, R. D. Koster, and G. J. De Lannoy. 2017. "Assessment of MERRA-2 Land Surface Hydrology Estimates." Journal of Climate 30 (8): 2937-2960 [10.1175/jcli-d-16-0720.1]

    Margulis, S. A., G. Cortes, M. Girotto, et al. L. S. Huning, D. Li, and M. Durand. 2016. "Characterizing the Extreme 2015 Snowpack Deficit in the Sierra Nevada (USA) Range and the Implications for Drought Recovery." Geophysical Research Letters 43 (12): 6341–6349 [10.1002/2016GL068520]

    Girotto, M., G. J. De Lannoy, R. H. Reichle, and M. Rodell. 2016. "Assimilation of gridded terrestrial water storage observations from GRACE into a Land Surface Model." Water Resour. Res. 52 4164-4183 [10.1002/2015wr018417]

    Margulis, S. A., G. Cortés, M. Girotto, and M. Durand. 2016. "A Landsat-era Sierra Nevada (USA) Snow Reanalysis (1985-2015)." Journal of Hydrometeorology [10.1175/JHM-D-15-0177.1]

    Cortés, G., M. Girotto, and S. Margulis. 2016. "Snow Process Estimation over the Extratropical Andes using a Data Assimilation Framework Integrating MERRA data and Landsat Imagery." Water Resources Research [10.1002/2015WR018376]

    Margulis, S. A., M. Girotto, G. Cortés, and M. Durand. 2015. "A Particle Batch Smoother Approach to Snow Water Equivalent Estimation." Journal of Hydrometeorology 16 (4): 1752--1772 [http://dx.doi.org/10.1175/JHM-D-14-0177.1]

    Girotto, M., S. A. Margulis, and M. Durand. 2014. "Probabilistic SWE reanalysis as a generalization of deterministic SWE reconstruction techniques." Hydrological Processes 28 (12): 3875--3895 [10.1002/hyp.9887]

    Girotto, M., G. Cortés, S. A. Margulis, and M. Durand. 2014. "Examining spatial and temporal variability in snow water equivalent using a 27 year reanalysis: Kern River watershed, Sierra Nevada." Water Resources Research 50 (8): 6713--6734 [10.1002/2014WR015346]

    Cortés, G., M. Girotto, and S. A. Margulis. 2014. "Analysis of sub-pixel snow and ice extent over the extratropical Andes using spectral unmixing of historical Landsat imagery." Remote Sensing of Environment 141 64--78 [http://dx.doi.org/10.1016/j.rse.2013.10.023]

    Girotto, M., S. A. Margulis, and M. Durand. 2014. "Probabilistic SWE reanalysis as a generalization of deterministic SWE reconstruction techniques." Hydrological Processes 28 (12): 3875--3895

    Barco, J., T. S. Hogue, M. Girotto, D. R. Kendall, and M. Putti. 2010. "Climate signal propagation in southern California aquifers." Water Resources Research 46 (10): [10.1029/2009WR008376]

                                                                                                                                                                                            
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