Uma Bhatt, Professor of Atmospheric Sciences,
University of Alaska Fairbanks
Research - Sea Ice, Oceans & Land in Climate
Modeling Studies of Sea Ice and Climate
- Basu,S., X. Zhang, I. Polyakov, and U.S. Bhatt, 2013: North American Winter-Spring Storms: Modeling Investigation on Tropical Pacific Sea Surface Temperature Impacts, Geophys. Res. Lett., 40, 5228–5233, doi:10.1002/grl.50990, pdf.
- Dammann, D.O., U.S. Bhatt, P.L. Langen, J. Krieger, X. Zhang, 2013: Impact of Daily Arctic Sea Ice Variability in CAM3.0 During Fall and Winter, J. Climate, 26 (6), 1939-1955, pdf.
- 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 .
- 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 version. Other formats and supplemental figures can be found here.
Observational Studies of Sea ice and Climate
- Relationship between changes in sea ice and tundra vegetation
- Greening of the Arctic Project
- Arctic land is greening, says scientist, Program #5733 of the Earth & Sky Radio Series. Aired 05-March-2009.
- Sea ice linked to greening, Appeared in Science Daily, December 2008.
- Article summarizing project , Feature story on UAF Newsroom web page, April 2007.
- Yamal Region multi-disciplinary analysis
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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 (in press): Spatial and temporal patterns of greenness on the Yamal Peninsula, Russia: Interactions of ecological and social factors affecting Arctic NDVI , Environmental Research Letters.
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Walker, D.A, U.S. Bhatt, M.K. Raynolds, J.E. Comiso, H.E. Epstein and G.J. Jia, 2009 (in press): Land: Vegetation, in State of the Climate in 2008: Arctic. Peterson, T. and M. Baringer eds., Bulletin of the American Meteorological Society.
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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. 2009 (in press) Cumulative effects of rapid land-cover and land-use changes on the Yamal Peninsula, Russia. In: Gutman, G. and P. Groisman, and Reissell. (ed.) Eurasian Arctic Land Cover and Land Use in a Changing Climate.
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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 2009 (in press) Recent Changes in Arctic Vegetation: Satellite Observations and Simulation Model Predictions. In: Gutman, G. and P. Groisman, and Reissell. (ed.) Eurasian Arctic Land Cover and Land Use in a Changing Climate.
- Greening of the Arctic Project
- Storm tracks in the northern hemisphere
- Basu,S., X. Zhang, I. Polyakov, and U.S. Bhatt, 2013: North American Winter-Spring Storms: Modeling Investigation on Tropical Pacific Sea Surface Temperature Impacts, Geophys. Res. Lett., 40, 5228–5233, doi:10.1002/grl.50990, pdf.
- 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 version. Link to page containing cyclone data, click here.
Landsurface Changes and Climate
- Potential Influence of boreal snow water uptake
- Young-Robertson, J. M., Bolton, W. R., Bhatt, U. S., Cristobal, J., & Thoman, R. “Deciduous trees are a large and overlooked sink for snowmelt water in the boreal forest.” Nature: Scientific Reports, 6 (12 July 2016), 29504. doi: 10.1038/ srep29504. pdf.
other resources: https://www.sciencedaily.com/releases/2016/07/160721151500.htm.
- Young-Robertson, J. M., Bolton, W. R., Bhatt, U. S., Cristobal, J., & Thoman, R. “Deciduous trees are a large and overlooked sink for snowmelt water in the boreal forest.” Nature: Scientific Reports, 6 (12 July 2016), 29504. doi: 10.1038/ srep29504. pdf.
- Influence of land surface anomalies on the North Atlantic Ocean
- Bhatt
U. S., E.K. Schneider, and D. Dewitt, 2003: Influence
of North American land processes on North Atlantic SST variability,
Global and Planetary Change, 37, 33-56. doi:10.1016/S0921-8181(02)00190-X.
(additional material in COLA Tech Report 112). pdf
version.
- Bhatt
U. S., E.K. Schneider, and D. Dewitt, 2003: Influence
of North American land processes on North Atlantic SST variability,
Global and Planetary Change, 37, 33-56. doi:10.1016/S0921-8181(02)00190-X.
(additional material in COLA Tech Report 112). pdf
version.
- Influence of land surface anomalies on ENSO
- 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 version and additional material in COLA TECH Report 126, download.
- Regional versus Global water cycle in doubled CO2 world
- 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. download pdf here (link on right column).