Uma's SITE NAVIGATION

Professional Experience

EDUCATION

Ph.D., Atmospheric Sciences (1996), University of Wisconsin, (Dr. D. Battisti & Dr. D. Houghton)
M.S., Atmospheric Sciences (1989), University of Wisconsin, (Dr. S. Hastenrath)
B.S.E. Mechanical Engineering. and B.A. Russian (1983) University of Pittsburgh

PROFESSIONAL EXPERIENCE

Associate Professor Univ. Alaska Fairbanks in the Dept. of Atmospheric Sciences & Geophysical Institute (2004 - present)
Research Associate Professor Univ. Alaska Fairbanks at IARC-Frontier (2003)
Research Assistant Professor Univ. Alaska Fairbanks at IARC-Frontier (1998 - 2003)
Post Doctoral Researcher, Center for Ocean-Land-Atmosphere Studies (1997 -1998)
Research Scientist at Ross Computational Resources (1996 - 1997)
US. Peace Corps Volunteer at Sochoi Secondary School, Kenya (1983 - 1985)

 

PEER-REVIEWED PUBLICATIONS (Students underlined)

Publications in flux: from 'submitted' to 'in press'
41. V. Masson-Delmotte, D. Swingedouw, A. Landais, M. Seidenkrantz, E. Gauthier, V. Bichet, C. Massa, B. Perren, V. Jomelli , G. Adalgeisdottir, J. Hesselbjerg Christensen, J.Arneborg, U.S. Bhatt, D.A. Walker, B. Elbering, F. Gillette-Chaulet, C. Ritz, H. Gallée, M. van den Boreke, X. Fettweis, A. de Vernal, and B. Vinter, 2011: Greenland climate change: from the past to the future, submitted to WIREs Climate Change.

40. Dammann, D. O, U.S. Bhatt, P.L. Langen, J. Krieger, X. Zhang, 2011: Impact of Daily Arctic Sea Ice Variability in CAM3.0 During Fall and Winter, revised for J. Climate.

39. Polyakov, I.V., U.S. Bhatt, J. E. Walsh, E. P. Abrahamsen, 2011: Recent oceanic changes in the Arctic in the context of longer term observations, revised for Ecological Applications.

38. Legatt, R., I.V. Polyakov, U.S. Bhatt, X. Zhang, 2012: North Atlantic Variability Driven by Atmospheric and Oceanic Stochastic Forcing in a Simple Box Model, (in press) Tellus A.

37. Bieniek, P. A., U.S. Bhatt, R.L. Thoman, H. Angeloff, J. Partain, J. Papineau, F. Fritsch, E. Holloway, J.E. Walsh, C. Daly, M. Shulski, G. Hufford, D.F. Hill, S. Calos, and R. Gens, 2012: Climate divisions for Alaska based on objective methods, (in press) J. Applied Meteorology and Climatology.

2012

36. Epstein, H. E., M. K. Raynolds, D. A. Walker, U. S. Bhatt, C. J. Tucker, and J. E. Pinzon, 2012: Dynamics of aboveground phytomass of the circumpolar arctic tundra during the past three decades, Environ. Res. Lett., doi:10.1088/1748-9326/7/1/015506, pdf.

35. Walker, D.A., H.E. Epstein, M.K. Raynolds, P. Kuss, M.A. Kopecky, G.V. Frost, F.J.A. Daniëls, M.O. Leibman, N.G. Moskalenko, G.V. Matyshak, O.V. Khitun, A.V. Khomutov, B.C. Forbes, U.S. Bhatt, A.N. Kade, C.M. Vonlanthen, 2011: Environment, vegetation and greenness (NDVI) along the North America and Eurasia Arctic transects, Environ. Res. Lett.,doi:10.1088/1748-9326/7/1/015504, pdf.

2011
34. Vavrus, S.A., U. S. Bhatt, and V. A. Alexeev, 2011: Factors Influencing Simulated Changes in Future Arctic Cloudiness. J. Climate, 24, 4817–4830. doi: 10.1175/2011JCLI4029.1 . pdf.

33. Walker, D.A., U.S. Bhatt, T.V. Callaghan, J.C. Comiso, H.E. Epstein, B. C. Forbes, M. Gill, W. A.Gould, H Henry, J. Jia, S. Kokelj,T. C. Lantz, S. F. Oberbauer, J. E. Pinzon, M. K. Raynolds, G. R. Shaver, C. J. Tucker, C. E. Tweedie, and P.J. Webber, 2011: Arctic: Land: Vegetation [in "State of the Climate in 2010"]. Bull. Amer. Meteor. Soc.,92 (6), S150-S152. pdf.

32. Bieniek, P. A., U. S. Bhatt, L. A. Rundquist, S. D. Lindsey, X. Zhang, R. L. Thoman, 2011: Large-Scale Climate Controls of Interior Alaska River Ice Breakup. J. Climate, 24, 286–297. pdf.

31. Walker, D.A., U.S. Bhatt, M.K. Raynolds, V.E. Romanovsky, G.P. Kofinas, J.P. Kuss, B.C. Forbes, F. Stammler, T. Kumpula, E. Kaarlejärvi, M.O. Leibman, N.G. Moskalenko, A.A. Gubarkov, A.V. Khomutov, D.S. Drozdov, H.E. Epstein, Q. Yu, G.J. Jia, J.O. Kaplan, J.C. Comiso, 2011: Cumulative effects of rapid land-cover and land-use changes on the Yamal Peninsula, Russia. In:Eurasian Arctic Land Cover and Land Use in a Changing Climate Gutman, Garik; Reissell, Anni (Eds.) 1st Edition., 2011, VI, 226 p. 100 illus., Hardcover ISBN: 978-90-481-9117-8, DOI 10.1007/978-90-481-9118-5_2. pdf.

30. Goetz, S. J., H.E., Epstein, D. Alcaraz, U.S. Bhatt, J. Comiso, G.J. Jia, J.O. Kaplan, H. Lischke, A., Lloyd, Q. Yu, and D.A. Walker, 2011: Recent Changes in Arctic Vegetation: Satellite Observations and Simulation Model Predictions. In: Eurasian Arctic Land Cover and Land Use in a Changing Climate Gutman, Garik; Reissell, Anni (Eds.) 1st Edition., 2011, VI, 226 p. 100 illus., Hardcover ISBN: 978-90-481-9117-8, DOI 10.1007/978-90-481-9118-5_2. pdf.

2010
29. Bhatt, U.S., D.A. Walker, M.K. Raynolds, J.C. Comiso, H.E. Epstein, G.Jia, R. Gens, J.E. Pinzon, C.J. Tucker, C.E. Tweedie, and P.J. Webber, 2010: Circumpolar Arctic tundra vegetation change is linked to sea-ice decline, Earth Interactions. August 2010, Vol. 14, No. 8: 1-20. doi: 10.1175/2010EI315.1. pdf.

28. Walker, D.A., U.S. Bhatt, J.C. Comiso, H.E. Epstein, W.A. Gould, G.H.R. Henry, G.J. Jia, S.V. Kokelj, T.C. Lantz, J.A. Mercado-Díaz, J.E. Pinzon, M.K. Raynolds, G.R. Shaver, C.J. Tucker, C.E. Tweedie, P.J. Webber, 2010: Arctic: Land: Vegetation [in "State of the Climate in 2009"]. Bull. Amer. Meteor. Soc.,91 (6), S79-S82. pdf.

27. Polyakov, I.V., V. A. Alexeev, U.S. Bhatt, E.V. Polyakova, and X. Zhang, 2010: North Atlantic warming: Patterns of long-term trend and multidecadal variability, Climate Dynamics, doi:10.1007/s00382-008-0522-3. pdf .

26. Nance, K., U.S. Bhatt, B.Hay, 2010: The PATH Project: Partnerships for Automated Transformations of Heterogeneous Datasets, HICSS, Proceedings of the 43th Annual Hawaii International Conference on System Sciences (HICSS'10).pdf.

25. Bourne, S. M., U.S. Bhatt, J. Zhang, R. Thoman, 2010: Surface-based Temperature Inversions in Alaska from a Climate Perspective, Atmospheric Research, doi:10.1016/j.atmosres.2009.09.013. pdf.

2009
24. Walker, D.W., M. O. Leibman, H. E. Epstein, B. C. Forbes, U. S. Bhatt, M. K. Raynolds, J. C. Comiso, A. A. Gubarkov, A. V. Khomutov, G. J. Jia, E. Kaarlejärvi, J. O. Kaplan, T. Kumpula, P. Kuss, G. Matyshak, N. G. Moskalenko, P. Orekhov, V. E. Romanovsky, N. K. Ukraientseva, and Q. Yu, 2009: Spatial and temporal patterns of greenness on the Yamal Peninsula, Russia: Interactions of ecological and social factors affecting Arctic NDVI , Environ. Res. Lett. 4, 045004 (16pp) doi:10.1088/1748-9326/4/4/045004. pdf.

23. Walker, D.A, U.S. Bhatt, M.K. Raynolds, J.E. Comiso, H.E. Epstein and G.J. Jia, 2009: Land: Vegetation, in State of the Climate in 2008: Arctic. Peterson, T. and M. Baringer eds., Bulletin of the American Meteorological Society.

2008
22. Bhatt, U. S., M.A Alexander, C. Deser, J.E.Walsh,  J.S. Miller, M. Timlin, J.D. Scott, and R. Tomas, 2008: The Atmospheric Response to Realistic Reduced Summer Arctic Sea Ice Anomalies, in Arctic Sea Ice Decline: Observations, Projections, Mechanisms, and Implications, Geophys. Monogr. Ser., vol. 180, edited by E. T. DeWeaver, C. M. Bitz, and L.-B. Tremblay, pp. 91-110, AGU, Washington, D. C. pdf.

21. Li, Z., U.S. Bhatt, and N. Mölders, 2008: Impact of doubled CO2 on the interaction between the global and regional water cycles in four study regions. Climate Dynamics , pp 255-275, 10.1007/s00382-007-0283-4. pdf.

2007
20. Zhang, J., U. S. Bhatt, W. V. Tangborn, and C. S. Lingle, 2007: Climate downscaling for estimating glacier mass balances in northwestern North America: Validation with a USGS benchmark glacier, Geophysical Research Letters, 34, L21505, doi:10.1029/2007GL031139. pdf.

19. Bhatt U.S., J. Zhang, W.V. Tangborn, and C.S. Lingle, L. Phillips, 2007: Examining Glacier Mass Balances with a Hierarchical Modeling Approach, Computing in Science and Engineering, 9 (2), 61-67. pdf.

18. Zhang J. , U.S. Bhatt, W. V. Tangborn, C.S. Lingle, 2007: Response of Glaciers in Northwestern North America to Future Climate Change: an Atmosphere/Glacier Hierarchical Modeling Approach, Annals of Glaciology, Vol. 46, 283 – 290. pdf.

2006
17. Polyakova E.I., A.G. Journel, I.V. Polyakov, and U.S. Bhatt, 2006: Changing relationship between the North Atlantic Oscillation and key North Atlantic climate parameters, Geophysical Research Letters, 33, L03711, doi:10.1029/2005GL024573. pdf.

2005
16. Polyakov I. V., U.S. Bhatt, H.L. Simmons, D. Walsh, J.E. Walsh, X. Zhang, 2005: Multidecadal Variability of North Atlantic Temperature and Salinity during the Twentieth Century, J. Climate, (18)21, 4562-4581. pdf.

15. Bhatt U.S., D. E. Newman, B. A. Carreras, I. Dobson, 2005: Understanding the Effect of Risk Aversion on Risk, HICSS, p. 64b, Proceedings of the 38th Annual Hawaii International Conference on System Sciences (HICSS'05) - Track 2, 2005. pdf.

2004
14. Polyakov I.V. , G.V. Alekseev, L. Timokhov, U.S. Bhatt, R.L. Colony, H.L. Simmons, D. Walsh, J. Walsh, 2004: Variability of the intermediate Atlantic Water of the Arctic Ocean over the last 100 years, J. Climate,17(23), 4485-4497. pdf.

13. Hu Z.-Z., E.K. Schneider, U.S. Bhatt, and B.P. Kirtman, 2004: Potential mechanism for response of El Niño–Southern Oscillation variability to change in land surface energy budget, J. Geophys. Res., 109, D21113, doi:10.1029/2004JD004771. pdf and additional material in COLA TECH Report 126, download.

12. Zhang X., J.E. Walsh, J. Zhang, U.S. Bhatt, and M. Ikeda. 2004: Intensifying Arctic cyclone activity. Bull. Amer. Meteor. Soc. 85: 949-950. [summary in Papers of Note, invited].

11. Zhang X., J.E. Walsh, J. Zhang, U.S. Bhatt, and M. Ikeda, 2004: Climatology and Interannual Variability of Arctic Cyclone Activity, 1948 – 2002, J. Climate, 2300-2317. pdf.

10. Alexander M. A., U.S. Bhatt, J. Walsh, M. Timlin, and J. Miller, 2004: The Atmospheric Response to Realistic Arctic Sea Ice Anomalies in an AGCM during Winter, J. Climate 17, 890-905. pdf.

2003
9. Bhatt U. S., E.K. Schneider, and D. Dewitt, 2003: Influence of North American land processes on North Atlantic SST variability, Global & Planetary Change, 37, 33-56. doi:10.1016/S0921-8181(02)00190-X. (additional material in COLA Tech Report 112). pdf.

8. Polyakov I.V. , R. Bekryaev, G. Alekseev, U.S. Bhatt, R. Colony, M. Johnson, and A. Makshtas, 2003: Variability and trends of air temperature and pressure in the maritime Arctic, 1875-2000, J. Climate, 16, 2067-2077. pdf.

7. Polyakov I.V., G. Alekseev, R. Bekryaev, U.S. Bhatt, R. Colony, M. Johnson, V. Karklin, D. Walsh, and A. Yulin, 2003: Long-term variability of ice in the arctic marginal seas, J. Climate 16, 2078-2085. pdf.

2002
6. Polyakov I.V., S. Akasofu, U.S. Bhatt, R. Colony, M. Ikeda, A. Makshtas, C. Swingley, D. Walsh, and J. Walsh, 2002: Long-term trends and variations of the arctic climate system, EOS, Transactions, American Geophysical Union83 (47) : 547-548.

5. Polyakov I.V., G. Alekseev, R. Bekryaev, U.S. Bhatt, R. Colony, M. Johnson, V. Karklin, A. Makshtas, D. Walsh, and A. Yulin, 2002: Observationally-based assessment of polar amplification of global warming, Geophysical Research Letters, 1878, doi:10.1029/2001GL011111. pdf.

2000 and earlier
4. Schneider E.K., and U.S. Bhatt, 2000: A dissipation integral with application to ocean diffusivities and structure, J. Physical Oceangr., 30, 1158-1171. (COLA Tech Report 59). pdf.

3. Bhatt U.S., M.A. Alexander, D.S. Battisti, D. D. Houghton and L.M. Keller, 1998: Atmosphere-ocean interaction in the North Atlantic: near surface climate variability, J. Climate, 11, 1615-1632. pdf.

2. Battisti D.S., U.S. Bhatt, and M.A. Alexander, 1995: A modeling study of the interannual variability of sea-surface temperature in the wintertime N. Atlantic Ocean, J. Climate, 8, 3067-3083. pdf.

1. Bhatt, U.S., Circulation regimes of rainfall anomalies in the African - South Asian monsoon belt, 1989: J. Climate, 2, 1133 - 1144. pdf.

 

Theses

Bhatt, U.S., 1996: Role of atmosphere-ocean interaction in the midlatitude North Atlantic on climate variability, Ph.D. Thesis, University of Wisconsin, 159 pp. to download page.

Bhatt, U.S., 1989: On mechanisms of Subsaharan rainfall anomalies, M.S. Thesis, University of Wisconsin, 88pp.


Other Select Publications and Presentations