Resume
2011-present, IOCAS, Professor;

2009-2011, Jet Propulsion Laboratory, Postdoc Scientist;

2008-2009, University of South Florida, Postdoc Scientist;

2006-2008, University of Texas at Austin, Postdoc Scientist;

1997-2001, The First Institute of Oceanography, State Oceanic Administration, Assistant Scientist

Education
Ph.D., 2001-2006, University of Rhode Island, Physical Oceanography, USA.
M.S.,1993-1997, Fudan University, Physics (Optics), China.
B.S.,1988-1990, Ocean University of China, Electrical engineering, China.

Professional Memberships
Members, American Geophysical Union(2005-)
Members, American Meteorological Society(2005-)
Members, Chinese-American Oceanic and Atmospheric Association(2010-)
Senior Member, Chinese Society for Environmental Sciences(2014-)

Research Interests
Satellite Oceanography, Ocean Dynamics, Mesoscale Ocean Processes, Satellite Altimeter, Satellite Scatterometer, Salinity Remote Sensing, Color Remote Sensing, Marine Instrument Development

Honors and Awards
BR Project of the Chinese Academy of Sciences, 2012.
Qingdao City entrepreneurial innovation leading talent, 2013.
Caltech Scholar, California Institute of Technology，2009

Selected Publications

1. Yang,L., Xu, Y*.,Jiang,Y.,S. P. Mertikas, Wang,Z.,Zhu, L.,Liu,N.,Lin,L. Retrieval of Ocean Wave Characteristics via Single-Frequency Time-Differenced Carrier Phases From GNSS Buoys. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING. 2024,6 2. Related reports：http://qdio.cas.cn/2019Ver/News/kyjz/202404/t20240402_7067782.html

2. Yue,W.,Xu,Y*.,Xiang, L., Zhu,S., Huang,C., Zhang,Q.,Zhang,L., and Zhang,X.Prediction of 3-D Ocean Temperature Based on Self-Attention and Predictive RNN. IEEE Geoscience and Remote Sensing Letters. 2024.

3.  Xiang, L.,Xu, Y*.,Sun, H., Zhang, Q., Zhang, L., Zhang, L., Zhang, X., Huang, C., Zhao, D. Retrieval of Subsurface Velocities in the Southern Ocean from Satellite Observations. Remote Sens. 2023, 15, 5699.

4. Yang,L., Liu,M., Liu, N., Guo,J., Lin,LA ., Zhang,Y.,Du,X., Xu, Y ., Zhu, C.,Wang,Y.Recovering Bathymetry From Satellite Altimetry-Derived Gravity by Fully Connected Deep Neural Network.IEEE GEOSCIENCE AND REMOTE SENSINGLETTERS.2023,20.

5. Liu,X., Kong,W. ,Sun,H.* , Xu, Y .,Lu,Y.An Improved Altimeter in-Orbit Range Noise-Level Estimation Approach Based on Along-Track Differential Method.Remote Sens. 2022, 14(24), 6250.

6. Yang, L. , Xu, Y*.,Lin,M., Ma,C., S. P. Mertikas, Hu,W., Wang,Z., Mu,B., Zhou,X.Monitoring the Performance of HY-2B and Jason-2/3 Sea Surface Height viathe China Altimetry Calibration Cooperation Plan.IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING (TGRS).2022 , Doi: 10.1109/TGRS.2022.3153631.

7. Zhu, L., Yang, L.,Xu, Y ., Zhang, H., Wu, Z.,Wang, Z .Independent Validation of Jason-2/3 and HY-2B Microwave Radiometers Using China Coastal GNSS.IEEE Transactions on Geoscience and Remote Sensing.2022.DOI:10.1109/TGRS.2021.3106650

8. Liu,Y.,Xu, Y*.The energy and enstrophy cascades in the geostrophic vortex with slowly varying inertia-gravity wave spirals.Physics of Fluids.2021.DOI: 10.1063/5.0062814. Related reports：http://www.qdio.cas.cn/2019Ver/News/kyjz/202109/t20210927_6215544.html

9. Jiang,Q.,Xu,Y+,*. ,Sun,H. ,Wei,L. ,Yang,L. ,Zheng,Q. ,Jiang,H. ,Zhang,X. ,Qian,C. Wind-Generated Gravity Waves Retrieval From High-Resolution 2-D Maps of Sea Surface Elevation by Airborne Interferometric Altimeter. IEEE Geoscience and Remote Sensing Letters.2021, doi:1109/LGRS.2021.3088516.Related reports：http://www.qdio.cas.cn/2019Ver/News/kyjz/202106/t20210630_6121796.html

10. Li, H.,Xu,Y+,*.Barotropic and baroclinic inverse kinetic energy cascade in the Antarctic.J. Phys. Oceanogr: 2021,51.Related reports：http://www.cas.cn/syky/202102/t20210224_4778586.shtml?from=singlemessage

11. Zhao, D. , Xu, Y+,* .,  Huang, C., Zhang, X.Global chlorophyll distribution induced by mesoscale eddies. Remote Sensing of Environment: 2021,254. Related reports：http://www.qnlm.ac/page?a=5&b=2&c=261&d=1&p=detail

12. Yang,L. , Xu,Y+.,  Zhou,X.,  Zhu,L.,  Jiang,Q. ,  Sun,H.,Chen,G.,  Wang ,P.,  Stelios P. Mertikas,  Fu,Y.,  Tang,Q.,  Yu,F.* Calibration of an Airborne Interferometric Radar Altimeter over the Qingdao Coast Sea, China. Remote Sens:  2020, 12, 1651.

13. Hu,D. , Xu, Y*. A New Method of De-Aliasing Large-Scale High-Frequency Barotropic Signals in the Mediterranean Sea. Remote sensing: 2020, 13, 2157.

14. Zhao, D., Gao ,L., Xu, Y*. Quantification of the impact of environmental factors on chlorophyll in the open ocean.  J. Ocean. Limnol: 2020, 7120.

15. Huang, C.,Xu, Y*.Update on the Global Energy Dissipation Rate of Deep-Ocean Low-Frequency Flows by Bottom Boundary Layer. J. Phys. Oceanogr: 2018 ,48 ,1243-1255

16. Huang, C., Xu, Y*.Spatial and seasonal variability of global ocean diapycnal transport inferred from Argo profiles. Journal of Oceanology and Limnology: 2018.

17. Ma, J., Xu, Y*.Using multisatellite altimetry estimate energy fluxes in South China Sea. Journal of Oceanology and Limnology: 2018.

18. Hong, L.,Xu, Y*.Improving mesoscale observations from Satellite altimetry using pressure and tide gauge measurements in the Japan Sea. International Journal of Remote Sensing: 2017 ,38(22) ,6247-6267.

19. Xu, Y*., Gao, L., Zhang, Y.New generation altimetry satellite SWOT and its reference to Chinas swath altimetry satellite. Remote Sensing Technology and Application, CSCD: 2017 ,32(1) ,79-89 ,79-89.

20. Hui, Z.,Xu, Y*.The impact of wave-induced Coriolis-Stokes forcing on satellite-derived Ocean Surface Currents J. Geophys. Res. Oceans: 2016 ,121(1) ,88-97.

21. Liu, C.,Xu, Y*.Quantification and Evaluation of the PDO Influence on North Pacific SLR during 1950-2010 marine science: 2017 ,41(4) ,410-426.

22. Ge, L.,Xu, Y*.Comparison of sea surface height anomalies derived by pressure-sensor-equipped inverted echo sounders and satellite altimetry in the Southwest Marine Sciences: 2016 ,40(2) ,128-135.

23.Y ang, T.,Xu, Y*.Estimation of the time series of the meridional heat transport across 15{degree sign}N in the Pacific Ocean from Argo and satellite data J. Geophys. Res. Oceans: 2015 ,120(4) ,3043-3060.

24.L i,Y.,Xu, Y*.Penetration depth of diapycnal mixing generated by wind stress and flow over topography in the northwestern Pacific J. Geophys. Res. Oceans: 2014 ,119 ,5501-5514.

25. Liu, H., Zhang, Q., Duan, Xu, Y*.Numerical Study on the Mechanism of Seasonal Variation of Meridional Overturning Circulation in the North Pacific. Advances in Marine Science: 2016 ,34(3) ,347-357 

26. Li, H.,Xu, Y*. Seasonal variability of eddy kinetic energy spectra and its mechanism in the north pacific subtropical countercurrentOceanologia et limnlologia sinica: 2017 ,48(5) ,932-943.

27. Li, Y.,Xu, Y*. The study of ocean warming trend based on sealevel change in 2002-2014 Oceanologia et limnlologia sinica: 2017 ,48(4) ,712-720.

28. Liu, H., Zhang, Q.,Xu, Y*.Numerical study on the interannual variation of the North Pacific Meridional Overturning Circulation, Duan, Y.. Journal of Applied Oceanography: 2016 ,35(3) ,329-338.

29. Liu, H., Zhang, Q., Duan, Xu, Y*.A numerical study on the interannual variation of the North Pacific Meridional Overturning Circulation. Marine Sciences: 2016 ,40(1) ,155-160.

30. Liu, S.,Jia, Y.,Qi , Z.,Wei*. E. Brightness Temperature Model of Sea Foam Layer at L-band. Chinese Journal of Oceanology and Limnology: 2015 ,14(1),38-46.

31. Si, Z.,Xu, Y*.Influence of the Pacific Decadal Oscillati on Regional Sea Level Rise in the Pacific Ocean from 1993 to 2012 Chinese Journal of Oceanology and Limnology: 2014 ,32(6),1414-1420.

32. Zhang, X.,Xu, Y*.Design and Implementation of Adaptive Noise Canceler Based on RLS Algorithm Recent Advances in Mathematical and Computational Methods: 2015.

33. Zhang, X.,Xu, Y*.A New Method of CDOM Absorption in China East Coastal Waters Recent Researches in Applied Informatics: 2015.

34.Z hang, X., Zheng, Z., I. Asanuma,Xu, Y*.A new kind of hybrid filter based on the intersecting cortical model and the improved Extremum-and-Median filter Artificial Life and Robotics: 2014 ,19（2）,115-119.

35. Zhang, X., Zheng, Z., I. Asanuma2,Xu, Y*. A New Kind of Super-Resolution Reconstruction Algorithm Based on the ICM and the Constrained Cubic Spline Interpolation Information -An International Interdisciplinary Journal: 2013,16(11) ,8027-8036.

36. Yan, X., Li, Y., Xu, Y*.Analysis of temporal-spatial variations of urbulent diapycnal mixing in the northwestern Pacific Oceanologia et Limnologia Sinica: 2014 ,45(6) ,1148-1157.

37.X u, Z., Yin ,B., Hou ,Y.,Xu, Y.Variability of internal tides and near-inertial waves on the continental slope of the northwestern South China Sea JOURNAL OF GEOPHYSICAL RESEARCH: 2013 ,118,197-211.

38. Xu, Y.,L-L Fu. The effects of altimeter instrument noise on the estimation of the wavenumber spectrum of sea surface height  J. Phys. Oceanogr: 2012 ,42 ,2229-2233.

39. Xu, Y., L-L Fu, and R. Tulloch. The global characteristics of wavenumber spectrum of ocean surface wind J. Phys. Oceanogr: 2011 ,41 ,1576-1582.

40.X u, Y., L-L Fu.Global variability of the wavenumber spectrum of oceanic mesoscale turbulence J. Phys. Oceanogr: 2011 ,41 ,802-809.

41. Xu, Y.Sea level variability from satellite altimetry and field measurements: Statistical data analysis, comparison and signal retrieval.2010.

42. Xu, Y., Z-L. Yang.A method to study the impact of climate change on variability of river flow: an example from the Guadalupe River in Texas Climatic Change: 2012 ,113 ,956-976.

43. Xu, Y., D.R. Watts,  J.H. Park. J. Atmos.De-Aliasing of Large-Scale High-Frequency Barotropic Signals from Satellite Altimetry in the Japan/East Sea  Oceanic Technol: 2008 ,25 ,1703-1709.

44. Xu, Y., J. Li,  S. Dong.Ocean circulation from satellite altimetry: progresses and challenges, in Ocean Circulation and El Nino Nova Science Publishers: 2009.

45. Xu, Y.. VDM Publishing,Sea level variability from satellite altimetry and field measurements Inc., Saarbrucken: 2010.

46. Xu Y , Scott R B .Subtleties in forcing eddy resolving ocean models with satellite wind data Ocean Modeling: 2008 ,20 ,240-251.

47. Xu, Y., D. R. Watts, M. Wimbush,  J.-H. Park.Fundamental-mode basin oscillations in the Japan/East Sea   Geophys. Res. Lett: 2007 ,34 ,L04605.

48. Xu, Y., D. R. Watts,  M. Wimbush.Coupled patterns between fields of dynamic height and bottom pressure in the Japan/East Sea Ocean Science Journal: 2009 ,44 ,35-42.

49. Scott, R.B., Y. Xu.An update on the wind power input to the surface geostrophic flow of the World Ocean Deep-Sea Res. I: 2009 ,50 ,295-304.

50. Xu, Y., Pan, J., Yu, Y. ,Zhao, Z.The Methods for Atmospheric Water Range Corrections and Their Effects on the Altimeter Data Appl ication. Journal of Oceanography of Huanghai & Bohai Seas: 2000 ,18(3) ,01-06.

51.X u, Y., K. Han, J.H., Xu, G.P. Zhou, X.Z. Lu.Studies on Azimuthal Orientation of Hemicyanine Molecules in LB Films Acta Physico-Chimica Sinica: 1996 ,12 ,836-840.

52. Kiu, H, Y. XU, S.H. Ma, W.C Wang, L.G, Luo, X.Z, Lu.Studies on Optical Nolinear Anisotropy in Hemicyanine LB Multilayers Acta Physico-Chimica Sinica: 1996 ,12 ,589-593..

53. Lu, X.Z., K. Han, Xu, Y*., S.H. Ma, W.C Wang.Dipping induced in-plane molecular alignment of LB films Mol. Cryst. Liq. Cryst.: 1997 ,294 ,23-26.

54. Lu, X., K. Han, G-P, Zhou, Xu, Y., J.H. Xu, Z-M Zang.Flow dichroism in Langmuir-Blodgett multilayers Proc. SPIE: 1997 ,43.

55. Xu, Y., X.Z. Lu, K. Han, J.H. Xu.Effect of chromophore interaction on optical nonlinearity in Langmuir-Blodgett Films Acta Optica Sinica: 1998 ,18 ,1025-1029.

56.X ia, D.Y., Z.X. Wang, S.K. Zhang., H.Y. Xin, Xu, Y. A development study of a portable instrument for measuring oil in seawaterJ. Oceanogr. Bohai and Huanghai Seas.: ,16 ,28-34.

57. Xia, D.Y., Z.X. Wang, L. Bin, S.K. Zhang., H.Y. Xin, Xu, Y. Experimental study on fluorimetry for measuring oil in seawaterOceanologia et Limnologia Sinica: 1999 ,30,104-109.

58.X u, Y., K.L. Tracey, D.R. Watts, M. Wimbush, and W. Teague.Current Meter Data Report: Ulleung Basin in the Japan / East Sea GSO Technical Report: 2003 ,2003-02.

59. Mitchell, D.A., Xu, Y., K.L. Tracy, D.R. Watts, M. Wimbush. PIES Data Report: Ulleung Basin in the Japan/East SeaGSO Technical Report: 2004.

60. Park, J.-H., D.R. Watts, M. Wimbush, J.W. Book, K.L. Tracey and Xu, Y.Rapid variability and its links to mesoscale circulation in the Japan/East Sea: basin oscillations, internal tides, and near-inertial oscillations Oceanography: 2006 ,19 ,76-85.