个人简历

教育经历
1994.09 – 1997.06南京信息工程大学气象学, 博士学位
1986.09 – 1989.07南京大学气象系，研究生（硕士学位）
1982.09 – 1986.07南京大学气象系，本科（学士学位）
工作经历：
2011.09 - 2016.07，研究教授 (Research Professor)，美国乔治梅森大学，科学学
院，环境科学技术中心。
2009.02 - 2011.08，高级大气科学研究员，美国卫星应用与研究中心。
2007.03 - 2009.02 ，科学顾问和项目研究员，美国气象局卫星数据同化联合中心。
2004.02 - 2007.02，项目研究员，美国卫星资料同化研究中心（JCSDA）。
2002.10 - 2004.01，助理研究员，美国亚利桑那大学，水文和水资源系。
2000.11 - 2002.10，博士后，美国新墨西哥矿业及科技学院，地球与环境科学系。
1998.9 - 2000.08，研究员，香港城市大学，物理和材料科学系。
1997.10 - 1998.09，博士后，中国科学院大气物理研究所，大气科学和地球流体力
学数值模拟国家重点实验室（LASG）。
1996.06 - 1997.10，副教授，南京信息工程大学（南京气象学院）大气科学学院。
1992.06 - 1996.05，讲师，南京信息工程大学（南京气象学院）大气科学学院。
1989.06 - 1992.05，助教，南京信息工程大学（南京气象学院）大气科学学院。
会员
美国气象学会会员
美国地球物理联盟会员
欧洲地球物理联盟会员
国际刊物编委
Editor, Atmospheric and Climate Sciences, Scientific Research Publishing, USA, Jan.
2011 – present.
Editor, Atmospheric and Oceanic Science Letters, Institute of Atmospheric Physics,
Chinese Academy of Sciences, China, Jan. 2014 -present
国际刊物评阅人
Journal of Geophysical Research-Atmosphere
Monthly Weather Review
Journal of Applied Meteorology and Climatology
Journal of Climate
Journal of Hydrometeorology
Geophysical Research Letters
International Journal of Climatology
Advances in Atmospheric Sciences
Acta Meteorologica Sinica
Chinese Journal of Atmospheric Sciences

研究领域

①海-气相互作用及其区域气候变化
②区域资料同化与中尺度数值模拟。
主要研究成果
先后在《J.Climate》,《J. Geophys. Res.》, 《Geophys. Res. Letter》, 《Atmospheric Chemistry and Physics》等国际刊物上发表论文有130余篇，其中SCI论文60余篇。论文被引用一千余次（90%为它引）。具体的创新研究成果及贡献可概括为以下7个方面1) 根据ENSO事件的爆发提出两类ENSO事件的发生与亚-澳季风活动有密切的联系，2）土壤湿度与降水的反馈机制受到大气环流的调制 3）在复杂地形区卫星资料同化对天气预报有着非常重要的正面影响， 4）预估全球气温增暖具有显著的不确定性， 5）卫星观测资料的应用可以改善再分析资料在平流层大气的不确定性， 6）太阳活动对全球气候变化具有不可忽视的影响， 7）全球生态系统对大气年代际变化响应存在很大的不同。曾多次获得过重要的科学奖项，例如：首届江苏青年科学家奖，青年科技奖，涂长望青年气象科技奖.""

近期论文

2016
1. Li J.，K. Fan，J. Xu，A Powell and F. Kogan，2016: The effect of preceding wintertime Arctic polar vortex on springtime NDVI patterns in boreal Eurasia, 1982–2015，Climate Dynamics，DOI 10.1007/s00382-016-3324-z
2. Yanfeng Zhao, Donghai Wang, Zhaoming Liang and Jianjun Xu, 2016: Persistent Severe Rainfall in Southern China. Part I: Large-scale Circulation Dynamics, accepted for publication in Quarterly Journal of the Royal Meteorological Society, 141: 000–000, April 2016 B DOI:10.1002/qj.2892
3. Boukabara S, T Zhu, H. Tolman, S Lord, S Goodman, R. Atlas, M. Goldberg, T. Auligne, B. Pierce, L. Cucurull, M. Zupanski, M. Zhang, I. Moradi, J. Otkin, D. Santek, B. Hoover, Z. Pu, X. Zhan, C. Hain, E. Kalnay, D. Hotta, S. Nolin, E. Bayler, A. Mehra, S. Casey, D. Lindsey, L. Grasso, K. Kumar, A. Powell, J. Xu, T. Greenwald, J. Zzjic, J. Li, J. Li, B. Li, J. Liu, L. Fang, P. Wang, T. Chen, 2016: S4: An O2R/R2O Infrastructure for optimizing satellite data utilization in NOAA numerical modeling systems, A Step Toward Bridging the Gap between Research and Operations, Bulletin of the American Meteorological Society, Early Online Release-Posted online on 5 May 2016.
4. Zhao L., J. Xu, A. Powell, and M. Shao, C. Shi and D. Guo 2016: Opposite Tendencies of the Land-Ocean Warming Contrast (LOWC) in the Recent Decadal Hiatus, IEEE Geoscience and Remote Sensing Letters, r 10.1109/LGRS.2016.2594954
2015
5. Shi C., D. Guo, J. Xu*, A. M. Powell Jr., and T. Xu, 2015: The latitudinal structure of recent changes in the boreal Brewer–Dobson circulation, Atmos. Chem. Phys. Discuss., 15, 24403-24417, 2015 www.atmos-chem-phys-discuss.net/ 15/24403/ 2015/ doi:10.5194 / acpd-15-24403-2015
6. Zhao L., J. Xu*, A. Powell, Z. Jiang and D. Wang, 2015: Application of SSU/MSU Satellite Observations to Estimate Temperature Trends in CMIP5 Simulations, Remote Sens. 2016, 8(1), 13; doi:10.3390/rs8010013 7. Bao, Y., Xu, J.*, Powell Jr., A. M., and Shao, M.: Impacts of AMSU-A/MHS and IASI data assimilation on temperature and humidity forecasts with GSI/WRF over the Western United States, Atmos. Meas. Tech. 8, 4231–4242, 2015, doi:10.5194/amt-8-4231-2015
8. Powell, A, and J Xu*, 2015: Decadal regime shift linkage between global marine fish landings and atmospheric planetary wave forcing. Earth Syst. Dynam., 6, 125–146, 2015, www.earth-syst-dynam.net/6/125/2015/doi:10.5194/esd-6-125-2015
9. Shao M., J. Xu*, Alfred M. Powell Jr., Felix Kogan & W. Guo 2015: Global land vegetation and marine fishery responses to atmospheric and oceanic decadal variability, International Journal of Remote Sensing, 36:21, 5523-5536
10. Cai, J., J. Xu*, A. Powell , and Z. Guan, 2015: Decadal Variability of the Temperature Difference between the Arctic and Equator in Boreal Winter and Connection with Northern Westerly Jet, Theor Appl Climatol, DOI 10.1007/s00704-015-1663-z
11. Jiang Z., W. Li, J. Xu, Laurent Li, 2015: Extreme Precipitation Indices over China in CMIP5 models. Part 1: Models evaluation, Journal of Climate 2015 ; e-View doi: http://dx.doi.org/10.1175/JCLI-D-15-0099.1
12. Guo, D., Y. Su, C. Shi, J. Xu*, A. Powell, 2015: Double Core of Ozone Valley over the Tibetan Plateau and its Possible Mechanisms, Journal of Atmospheric and Solar-Terrestrial Physics, 127-131
13. Zhao L., J. Xu*, 2015: Comparison of stratospheric and tropospheric temperature trend between seven CMIP5 models and SSU/MSU Observations, Trans Atmos Sci, 38(1), 101-110.
2014
14. Xu. J* and A Powell , 2014: Extreme events of stratospheric stationary waves and indications for stratosphere–troposphere coupling: simultaneous analysis in boreal winter, Theor Appl Climatol, DOI 10.1007/s00704-014-1203-2.
15. Zhao, L., J. Xu*, and A Powell, 2014: Uncertainties of the global-to-regional temperature and precipitation simulations in CMIP5 models for past and future 100 years, Theor Appl Climatol, DOI 10.1007/s00704-014-1293-x
16. Bao, Y., X. Wang, J. Min, J. Xu*, Q. Lu, 2014: A radiance-bias correction scheme for Fengyun 3A Microwave Temperature Sounding for radiance assimilation, Journal of Tropical Meteorology, 30(1):145-152
2013
17. Powell, A., and J Xu*, 2013: Evaluation of the Temperature Trend and Climate Forcing in the Pre- and Post Periods of Satellite Data Assimilation, J. Qu et al. (eds.), Satellite-based Applications on Climate Change, DOI 10.1007/978-94-007-5872-8_4, Springer (outside the USA) 2013
18. Xu, J* and A Powell, 2013: GSI/WRF Regional Data Assimilation System and Its Application in the Weather Forecasts over Southwest Asia. S.K. Park and L. Xu (eds.), Data Assimilation for Atmospheric, Oceanic and Hydrologic Applications (Vol. II), DOI 10.1007/978-3-642-35088-7 25, © Springer-Verlag Berlin Heidelberg 2013.
19. Bao,Y, K. Xu, J. Min, and J. Xu, 2013: Estimating Wheat Shoot Nitrogen Content at Vegetative Stage from In Situ Hyperspectral Measurements, Crop Science, 53:2063–2071, doi:10.2135/cropsci2013.01.0012
20. Powell, A and J Xu*, 2013: Regime Shifts of Global Marine Ecosystem with FAO Fishery Landing and Possible Physical Conditions. International Journal of Ecosystem 2013, 3(5): 95-105 DOI: 10.5923/j.ije.20130305.01
21. Xu, J*. and Powell, A 2013: Two Mechanisms Responsible for Marine Ecosystem Regime
Shifts from Fish Landings Data off the West Coast of California (WCC). Vol.5, No.4, 495-500 (2013) Natural Science doi:10.4236/ns.2013.5406
22. Zhao, L, J. Xu*, and A Powell, 2013: Discrepancies of Surface Temperature Trends in the CMIP5 Simulations and Observations on the Global and Regional Scales. Climate of the Past Discussion, 9, 6161–6178, 2013, www.clim-past-discuss.net/9/6161/2013/ doi:10.5194/cpd-9-6161-2013
23. Xu, J*, A Powell and L. Zhao 2013: Interecomparison of Temperature Trends in IPCC CMIP5 Simulations with Observations, Reanalyses and CMIP3 Models. Geosci. Model Dev., 6, 1–10, 2013 www.geosci-model-dev.net/6/1/2013 /doi:10.5194/gmd-6-1-2013
2012
24. Powell, A and J Xu*, 2012: Assessment of the Relationship between the Combined Solar Cycle/ENSO Forcings and the Tropopause Temperature. Journal of Atmospheric and Solar-Terrestrial Physics. 80 (2012) 21–27. dx.doi.org /10.1016 /j.jastp.2012.02.023
25. Xu, J* and Alfred M. Powell, Jr., 2012: Dynamical downscaling precipitation over Southwest Asia: Impacts of radiance data assimilation on the forecasts of the WRF-ARW model. Atmospheric Research 111 (2012) 90–103, dx.doi.org /10.1016/ j.atmosres.2012.03.005 (SCI, 2.84)
26. Powell, A and J Xu*, 2012: The 1977 Global Regime Shift: A Discussion of Its Dynamics and Impacts in the Eastern Pacific Ecosystem. Atmospheres-Oceans. dx.doi.org/10.1080/ 07055900.2012.716023
27. Powell, A, J Xu*, C-Z Zou and L. Zhao and 2012: Stratospheric and Tropospheric SSU/MSU Temperature Trends and Compared to Reanalyses and IPCC CMIP5 Simulations in 1979- 2005. Atmos. Chem. Phys. Discuss., 13, 1–36, 2013 www.atmos-chem-phys-discuss.net/13/1/2013/doi:10.5194/acpd-13-1-2013
28. Xu, J* and A Powell, 2012: Uncertainty estimation of the global temperature trends for multiple radiosondes, reanalyses, and CMIP3/IPCC climate model simulations. Theor Appl Climatol (2012) 108:505–518. DOI 10.1007/s00704-011-0548-z
29. Xu, J* and A Powell, 2012: What Happened to Surface Temperature with Sunspot Activity in the Past 130 Years? Theor Appl Climatol. DOI 10.1007/s00704-012-0694-y 7
2011
30. Xu, J* and A Powell, 2011: Uncertainty Estimates in Stratospheric/Tropospheric Temperature Trends: Multiple Satellite MSU, Radiosonde, and Reanalysis Datasets from 1979. Atmospheric Chemistry and Physics, 11, 10727–10732, www.atmos-chem-phys.net/11/10727/2011/ doi:10.5194/acp-11-10727-2011
31. Powell, A and J Xu*, 2011: Comparisons of Temperature Response to Solar Forcing in the Pre- and Post Periods of Satellite Data Assimilation. International Journal of Climatology, 31: 2312–2329 (2011) Published online 7 October 2010 in Wiley Online Library (wileyonlinelibrary.com) DOI: 10.1002/joc.2239
32. Wan, Q. and J Xu*, 2011: A numerical study of the rainstorm characteristics of the June 2005 flash flood with WRF/GSI data assimilation system over south-east China. Hydrological Processes, 25, 1327–1341 (2011) DOI: 10.1002/hyp.7882
33. Powell, A and J Xu*, 2011: Possible Solar Forcing of Interannual and Decadal Stratospheric Planetary Wave Variability in the Northern Hemisphere: An Observational Study. Journal of Atmospheric and Solar-Terrestrial Physic,, DOI: 10.1016 /j.jastp.2011.02.001
34. Powell, A and J Xu, 2011: A New Assessment of the Mid-1970s Abrupt Atmospheric Temperature Change in the NCEP/NCAR Reanalysis and Associated Solar Forcing Implications. Theoretical and Applied Climatology, 104:443–458 DOI 10.1007/s00704-010-0344-1
35. Xu, J and Q Wan, 2011: Influence of physical parameterizations and initialization on simulation of rainstorm over Southeast China. Trans Atmos Sci, 34(2): 129-134
2010
36. Powell, A, J Xu, and M Chen, 2010: Regime Shifts in the Atmosphere and Their Relationship to Abrupt Ocean Changes. F. Kogan et al. (eds.), Use of Satellite and In-Situ Data to Improve Sustainability, NATO Science for Peace and Security Series C: Environmental Security, DOI 10.1007/978-90-481-9618-0_17.
37. Xu, J* and A Powell, 2010: Ensemble Spread and Its Implication for the Evaluation of Temperature Trends from Multiple Radiosondes and Reanalyses Products. Geophy. Res. Letter, 37, L17704, doi:10.1029/2010GL044300.
38. Powell, A and J Xu*, 2010: An investigation of the relationship between the equatorial quasi-biennial oscillation, the Arctic stratosphere and solar forcing. Journal of Atmospheric and Solar-Terrestrial Physics, 1354–1363, doi:10.1016/j.jastp.2010.09.024
2009
39. Xu J*, S. Rugg, M. Horner, and L. Byerle, 2009: Weather Forecasts by the WRF-ARW Model with the GSI Data Assimilation System in the Complex Terrain Areas of Southwest Asia, Weather and Forecasting, 24, 987–1008
40. Xu J*., S. Rugg, L. Byerle and Z. Liu 2009: Application of ATOVS radiance with ARW WRF/GSI data assimilation system in the prediction of Hurricane Katrina. Open Atmos. Sci. J., 3, 13–28.
41. Wan Q., J Xu* 2009: Impacts of ATOVS Data Assimilation on prediction of a rainstorm over Southeast China, J. Tropical Meteorology. 1006-8775(2009) 01-0155-07
2006
42. Xiao X, D Wang, J Xu, 2006: The assimilation experiment in the southwestern of South China Sea in summer 2000, Chinese Science Bulletin, 51(supp. II), 31-37.
43. Xu, J*, X Gao, and S Sorooshian, 2006: The Influence of Assimilating Rainfall Derived from WSR-88D Radar on the Rainstorm Forecasts over the South western United States.
Journal of Geophysical Research, 111, D13105, doi: 10.1029/ 2005JD006650
2004
44. Xu, J*, J Shuttleworth, X Gao, S Sorooshian, and E Small, 2004: Soil Moisture-Precipitation Feedback on the North American Monsoon System in the MM5/OSU Model. Quarterly Journal of the Royal Meteorological Society, 130, 2873-2890, Doi:10.1256/qj.03.192.
45. Xu, J*, X Gao, S Sorooshian, 2004: Influence of Soil Moisture Anomaly on the Seesaw of Summertime Precipitation in Southern United States. Tellus A, 56A, 514-519.
46. Xu, J*, X Gao, J Shuttleworth, S Sorooshian, and E Small, 2004: Model Climatology of the Seasonal development of the North American Monsoon During 1980-2001. Journal of Climate, 17, 3892-3906.
47. Xu, J*, X Gao, Q Xiao and S Sorooshian, 2004: Investigate the Impacts of Assimilating Satellite Rainfall Estimates on Rainstorm Forecast over Southwest United States. Geophysical Research Letters, 31, Doi:10.1029/2004GL020120
2003
48. Gao, X, S Sorooshian, J Li and J Xu, 2003: SST Data improve modelling of North American Monsoon rainfall. Eos, 84 (43), P457, 462.
2002
49. Xu, J* and E Small, 2002: Simulating summertime rainfall variability in the North American monsoon region: The influence of convection and radiation parameterisations. Journal of Geophysical Research, 107 (D23), 2001JD002047.
50. Xu, J* and J C L Chan, 2002: Relationship between the Planetary-Scale Circulation over East Asia and the Intensity of the South Asian Summer Monsoon. Geophysical Research Letters, 29, 10.1029/2002GL014918.
51. Chan, J C L, W Ai, and J Xu, 2002: Mechanisms responsible for the maintenance of the 1998 South China Sea summer monsoon. Journal of the Meteorological Society of Japan, 80, 1103-1113.
2001
52. Xu, J* and J C L Chan, 2001: First transition of Southeast-South Asian summer monsoon in 1998 and the effect of the Tibet-tropical Ocean thermal contrast. Journal of the Meteorological Society of Japan, 79, 241-253.
53. Xu, J* and J C L Chan, 2001: The role of Asian/Australian monsoon in the onset time of the El Niño events. Journal of Climate, 14, 418-433.
54. Xu, J*, and J C L Chan, 2001: The interdecadal and interannual variation of winter rainfall over China. Advance in Atmospheric Sciences, 18, 267-276.
2000
55. Chan, J C L and J Xu*, 2000: Physical mechanisms responsible for the transition from a warm to a cold state of the El Niño/Southern Oscillation. Journal of Climate, 13, 2056-2071.
56. Chan, J C L, Y Wang and J Xu, 2000: Dynamic and thermodynamic characteristics associated with the onset of the 1998 South China Sea summer monsoon. Journal of the Meteorological Society of Japan, 78, 367-380.
57. Xu, J*, D Wang, 2000: The diagnosis and numerical study of the effect of ENSO and interdecadal variation on Asian monsoon. Acta Oceanic. Sinica., 22, 34-43.