Researcher (2023–Present), Project Scientist (2020–2023), Associate Project Scientist (2016–2020), Assistant Researcher (2012–2016), Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles (2012–Present)
Postdoctoral Scholar, Jet Propulsion Laboratory, California Institute of Technology (2009–2012)
Research Associate (January–February 2009), Ann G. Wylie Dissertation Fellow (2007–2008), Research Assistant (2003–2008), Department of Atmospheric and Oceanic Science, University of Maryland, College Park (2003–2009)
Graduate Researcher, Department of Physics and Materials Science, City University of Hong Kong (2001–2003)
Research Interests
High-impact weather and climate
Water cycle in the climate system
Large-scale climate variability and trend
Selected Awards
Outstanding Reviewer, American Geophysical Union, 2020
Top Downloaded Paper, Geophysical Research Letters, 2020
Climate Science Service Award, California Department of Water Resources, 2018
Ann G. Wylie Dissertation Fellowship, University of Maryland, College Park, 2007–2008
Jacob K. Goldhaber Travel Award, University of Maryland, College Park, 2007
Research Assistantship, University of Maryland, College Park, 2003–2008
Postgraduate Studentship, City University of Hong Kong, 2001–2003
Guan B., and Y. L. Serra (2025), Concluding remarks and future perspectives, In Atmospheric Oscillations, edited by B. Guan, Elsevier, 445–448, doi:10.1016/B978-0-443-15638-0.00020-4.
Guan B. (2025), Atmospheric rivers, In Encyclopedia of Atmospheric Sciences, Third Edition, edited by W. A. Robinson and P. Yang, Elsevier, 1–23, doi:10.1016/B978-0-323-96026-7.00122-3.
Guan, B., and D. E. Waliser (2024), A regionally refined quarter-degree global atmospheric rivers database based on ERA5, Scientific Data, 11, 440, doi:10.1038/s41597-024-03258-4.
Guan, B., and S. Nigam (2023), Pacific–North American teleconnection tumbles snowfall records west of the Cascades during Christmas week 2021, Bulletin of the American Meteorological Society, 104, E1314–E1322, doi:10.1175/BAMS-D-22-0021.1.
Guan, B., D. E. Waliser, and F. M. Ralph (2023), Global application of the atmospheric river scale, Journal of Geophysical Research: Atmospheres, 128, e2022JD037180, doi:10.1029/2022JD037180.
Guan, B., D. E. Waliser, and F. M. Ralph (2020), A multimodel evaluation of the water vapor budget in atmospheric rivers, Annals of the New York Academy of Sciences, 1472, 139–154, doi:10.1111/nyas.14368.
Guan, B., and D. E. Waliser (2019), Tracking atmospheric rivers globally: Spatial distributions and temporal evolution of life cycle characteristics, Journal of Geophysical Research: Atmospheres, 124, 12523–12552, doi:10.1029/2019JD031205.
Guan, B., D. E. Waliser, and F. M. Ralph (2018), An intercomparison between reanalysis and dropsonde observations of the total water vapor transport in individual atmospheric rivers, Journal of Hydrometeorology, 19, 321–337, doi:10.1175/JHM-D-17-0114.1.
Guan, B., and D. E. Waliser (2017), Atmospheric rivers in 20 year weather and climate simulations: A multimodel, global evaluation, Journal of Geophysical Research: Atmospheres, 122, 5556–5581, doi:10.1002/2016JD026174.
Guan, B., D. E. Waliser, F. M. Ralph, E. J. Fetzer, and P. J. Neiman (2016): Hydrometeorological characteristics of rain-on-snow events associated with atmospheric rivers, Geophysical Research Letters, 43, 2964–2973, doi:10.1002/2016GL067978.
Guan, B., and D. E. Waliser (2015), Detection of atmospheric rivers: Evaluation and application of an algorithm for global studies, Journal of Geophysical Research: Atmospheres, 120, 12514–12535, doi:10.1002/2015JD024257.
Guan, B., D. E. Waliser, T. Lee, and D. J. Halkides (2014), Influence of the Madden-Julian oscillation on the Indian Ocean cross-equatorial heat transport, Geophysical Research Letters, 41, 7314–7322, doi:10.1002/2014GL061789.
Guan, B., T. Lee, D. J. Halkides, and D. E. Waliser (2014), Aquarius surface salinity and the Madden-Julian Oscillation: The role of salinity in surface layer density and potential energy, Geophysical Research Letters, 41, 2858–2869, doi:10.1002/2014GL059704.
Guan, B., N. P. Molotch, D. E. Waliser, E. J. Fetzer, and P. J. Neiman (2013), The 2010/2011 snow season in California’s Sierra Nevada: Role of atmospheric rivers and modes of large-scale variability, Water Resources Research, 49, 6731–6743, doi:10.1002/wrcr.20537.
Guan, B., N. P. Molotch, D. E. Waliser, S. M. Jepsen, T. H. Painter, and J. Dozier (2013), Snow water equivalent in the Sierra Nevada: Blending snow sensor observations with snowmelt model simulations, Water Resources Research, 49, 5029–5046, doi:10.1002/wrcr.20387.
Guan, B., D. E. Waliser, J.-L. F. Li, and A. da Silva (2013), Evaluating the impact of orbital sampling on satellite–climate model comparisons, Journal of Geophysical Research: Atmospheres, 118, 355–369, doi:10.1029/2012JD018590.
Guan, B., D. E. Waliser, N. P. Molotch, E. J. Fetzer, and P. J. Neiman (2012), Does the Madden-Julian Oscillation influence wintertime atmospheric rivers and snowpack in the Sierra Nevada? Monthly Weather Review, 140, 325–342, doi:10.1175/MWR-D-11-00087.1.
Guan, B., and W. Zheng (2011), Diurnal cycle of the North American monsoon in a mesoscale model simulation: Evolution of key parameters in relation to precipitation, Atmosphere, 2, 57–66, doi:10.3390/atmos2020057.
Guan, B., N. P. Molotch, D. E. Waliser, E. J. Fetzer, and P. J. Neiman (2010), Extreme snowfall events linked to atmospheric rivers and surface air temperature via satellite measurements, Geophysical Research Letters, 37, L20401, doi:10.1029/2010GL044696.
Guan, B., and S. Nigam (2009), Analysis of Atlantic SST variability factoring interbasin links and the secular trend: clarified structure of the Atlantic Multidecadal Oscillation, Journal of Climate, 22, 4228–4240, doi:10.1175/2009JCLI2921.1.
Guan, B., and S. Nigam (2008), Pacific sea surface temperatures in the twentieth century: An evolution-centric analysis of variability and trend, Journal of Climate, 21, 2790–2809, doi:10.1175/2007JCLI2076.1.
Guan, B., and J. C. L. Chan (2006), Nonstationarity of the intraseasonal oscillations associated with the western North Pacific summer monsoon, Journal of Climate, 19, 622–629, doi:10.1175/JCLI3661.1.