| Analysis and validation of GPS/MET data in the neutral atmosphere C Rocken, R Anthes, M Exner, D Hunt, S Sokolovskiy, R Ware, ... Journal of Geophysical Research: Atmospheres 102 (D25), 29849-29866, 1997 | 806 | 1997 |
| GPS sounding of the atmosphere from low Earth orbit: Preliminary results R Ware, M Exner, D Feng, M Gorbunov, K Hardy, B Herman, Y Kuo, ... Bulletin of the American Meteorological Society 77 (1), 19-40, 1996 | 759 | 1996 |
| Variational data assimilation with an adiabatic version of the NMC spectral model IM Navon, X Zou, J Derber, J Sela Monthly weather review 120 (7), 1433-1446, 1992 | 384 | 1992 |
| Studies on the initialization and simulation of a mature hurricane using a variational bogus data assimilation scheme X Zou, Q Xiao Journal of the atmospheric sciences 57 (6), 836-860, 2000 | 322 | 2000 |
| Assimilation of atmospheric radio refractivity using a nonhydrostatic adjoint model X Zou, YH Kuo, YR Guo Monthly Weather Review 123 (7), 2229-2250, 1995 | 237 | 1995 |
| Variational assimilation of precipitable water using a nonhydrostatic mesoscale adjoint model. Part I: Moisture retrieval and sensitivity experiments YH Kuo, X Zou, YR Guo Monthly Weather Review 124 (1), 122-147, 1996 | 214 | 1996 |
| Introduction to adjoint techniques and the MM5 adjoint modeling system X Zou, F Vandenberghe, M Pondeca, YH Kuo NCAR Technical note, 1997 | 195 | 1997 |
| Rainfall assimilation through an optimal control of initial and boundary conditions in a limited-area mesoscale model X Zou, YH Kuo Monthly Weather Review 124 (12), 2859-2882, 1996 | 194 | 1996 |
| Numerical experience with limited-memory quasi-Newton and truncated Newton methods X Zou, IM Navon, M Berger, KH Phua, T Schlick, FX Le Dimet SIAM Journal on Optimization 3 (3), 582-608, 1993 | 190 | 1993 |
| The second order adjoint analysis: theory and applications Z Wang, IM Navon, FX Le Dimet, X Zou Meteorology and atmospheric physics 50, 3-20, 1992 | 188 | 1992 |
| An optimal nudging data assimilation scheme using parameter estimation X Zou, IM Navon, FX LeDimet Quarterly Journal of the Royal Meteorological Society 118 (508), 1163-1186, 1992 | 180 | 1992 |
| A ray‐tracing operator and its adjoint for the use of GPS/MET refraction angle measurements X Zou, F Vandenberghe, B Wang, ME Gorbunov, YH Kuo, S Sokolovskiy, ... Journal of Geophysical Research: Atmospheres 104 (D18), 22301-22318, 1999 | 156 | 1999 |
| Initialization and simulation of a landfalling hurricane using a variational bogus data assimilation scheme Q Xiao, X Zou, B Wang Monthly weather review 128 (7), 2252-2269, 2000 | 154 | 2000 |
| Introduction to Suomi national polar‐orbiting partnership advanced technology microwave sounder for numerical weather prediction and tropical cyclone applications F Weng, X Zou, X Wang, S Yang, MD Goldberg Journal of Geophysical Research: Atmospheres 117 (D19), 2012 | 139 | 2012 |
| Variational data assimilation with moist threshold processes using the NMC spectral model X Zou, IM Navon, JG Sela Tellus A: Dynamic Meteorology and Oceanography 45 (5), 370-387, 1993 | 126 | 1993 |
| Calibration of Suomi national polar‐orbiting partnership advanced technology microwave sounder F Weng, X Zou, N Sun, H Yang, M Tian, WJ Blackwell, X Wang, L Lin, ... Journal of Geophysical Research: Atmospheres 118 (19), 11,187-11,200, 2013 | 125 | 2013 |
| The impact of global positioning system data on the prediction of an extratropical cyclone: An observing system simulation experiment YH Kuo, X Zou, W Huang Dynamics of Atmospheres and Oceans 27 (1-4), 439-470, 1998 | 124 | 1998 |
| Tangent linear and adjoint of “on‐off” processes and their feasibility for use in 4‐dimensional variational data assimilation X Zou Tellus A 49 (1), 3-31, 1997 | 119 | 1997 |
| Data assimilation and its applications B Wang, X Zou, J Zhu Proceedings of the National Academy of Sciences 97 (21), 11143-11144, 2000 | 116 | 2000 |
| Incomplete observations and control of gravity waves in variational data assimilation X Zou, IM Navon, FX Le Dimet Tellus A: Dynamic meteorology and oceanography 44 (4), 273-296, 1992 | 113 | 1992 |
