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Santha Akella
Santha Akella
Global Modeling and Assimilation Office, GSFC, NASA
Verified email at nasa.gov
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Cited by
Year
The modern-era retrospective analysis for research and applications, version 2 (MERRA-2)
R Gelaro, W McCarty, MJ Suárez, R Todling, A Molod, L Takacs, ...
Journal of climate 30 (14), 5419-5454, 2017
58042017
Coupled Data Assimilation for Integrated Earth System Analysis and Prediction: Goals, Challenges, and Recommendations
SG Penny, S Akella, M Buehner, M Chevallier, F Counillon, C Draper, ...
https://www.wmo.int/pages/prog/arep/wwrp/new/documents …, 2017
146*2017
Synthesis of ocean observations using data assimilation for operational, real-time and reanalysis systems: A more complete picture of the state of the ocean
AM Moore, MJ Martin, S Akella, HG Arango, M Balmaseda, L Bertino, ...
Frontiers in Marine Science 6, 90, 2019
772019
The modern-era retrospective analysis for research and applications, version 2 (MERRA-2) J. Clim. 2017; 30: 5419–5454. doi: 10.1175
R Gelaro, W McCarty, MJ Suárez, R Todling, A Molod, L Takacs, ...
JCLI-D-16-0758.1.[Europe PMC free article][Abstract][CrossRef][Google Scholar], 0
71
Progress and challenges in short-to medium-range coupled prediction
GB Brassington, MJ Martin, HL Tolman, S Akella, M Balmeseda, ...
Journal of Operational Oceanography 8 (sup2), s239-s258, 2015
612015
Saildrone: Adaptively sampling the marine environment
CL Gentemann, JP Scott, PLF Mazzini, C Pianca, S Akella, PJ Minnett, ...
Bulletin of the American Meteorological Society 101 (6), E744-E762, 2020
592020
Different approaches to model error formulation in 4D-Var: a study with high-resolution advection schemes
S Akella, IM Navon
Tellus A: Dynamic Meteorology and Oceanography 61 (1), 112-128, 2009
482009
A dual‐weighted trust‐region adaptive POD 4‐D Var applied to a finite‐volume shallow water equations model on the sphere
X Chen, S Akella, IM Navon
International Journal for Numerical Methods in Fluids 68 (3), 377-402, 2012
422012
Observational needs for improving ocean and coupled reanalysis, S2S prediction, and decadal prediction
SG Penny, S Akella, MA Balmaseda, P Browne, JA Carton, M Chevallier, ...
Frontiers in Marine Science 6, 391, 2019
362019
Assimilation for skin SST in the NASA GEOS atmospheric data assimilation system
S Akella, R Todling, M Suarez
Quarterly Journal of the Royal Meteorological Society 143 (703), 1032-1046, 2017
342017
The Impact of the assimilation of Aquarius Sea surface salinity data in the GEOS ocean data assimilation system
ED Vernieres, G., R. Kovach, C. Keppenne, S. Akella, L. Brucker
J. Geophys. Res. Oceans 119, 6974–6987, 2014
252014
A comparative study of the performance of high resolution advection schemes in the context of data assimilation
S Akella, IM Navon
International journal for numerical methods in fluids 51 (7), 719-748, 2006
222006
Evaluation of NASA GEOS-ADAS Modeled Diurnal Warming Through Comparisons to SEVIRI and AMSR2 SST Observations
CL Gentemann, S Akella
J. Geophys. Res. Oceans, doi:10.1002/2017JC013186, 2018
142018
Technical report series on global modeling and data assimilation, volume 43 merra-2: Initial evaluation of the climate
MG Bosilovich, S Akella, L Coy, R Cullather, C Draper, R Gelaro, ...
Goddard Space Flight Center Greenbelt, Maryland, 2015
132015
Interpretation of Partitioning Interwell Tracer Tests Using EnKF with Coarse Scale Constraints
D Devegowda, S Akella, A Datta-Gupta, Y Efendiev
SPE Reservoir Simulation Conference?, SPE-119125-MS, 2009
102009
Regional and seasonal variability of the oceanic thermal skin effect
B Luo, PJ Minnett, M Szczodrak, S Akella
Journal of Geophysical Research: Oceans 127 (5), e2022JC018465, 2022
62022
Preliminary evaluation of influence of aerosols on the simulation of brightness temperature in the NASA's Goddard Earth Observing System Atmospheric Data Assimilation System
J Kim, S Akella, AM da Silva, R Todling, W McCarty
62018
Deterministic and stochastic aspects of data assimilation
S Akella
The Florida State University, 2006
62006
Estimation of the Ocean Skin Temperature using the NASA GEOS Atmospheric Data Assimilation System
S Akella, R Todling, M Suarez
NASA Technical Report Series on Global Modeling and Data Assimilation, 2016
42016
Reservoir multiscale data assimilation using the ensemble Kalman filter
SR Akella
Applied Mathematics 2 (02), 165-180, 2011
42011
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Articles 1–20