GFDL - Geophysical Fluid Dynamics Laboratory
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Senior Research Scientist/ GFDL / NOAA
Research Interests:
- Atmospheric and oceanic fluid dynamics/geophysical turbulence
- Climate dynamics/global warming
Some lectures and essays:
Sahel rainfall projections for the 21st century -- status
Selected recent papers on Atmospheric Dynamics
- Held and Zhao,
2008: Horizontally homogeneous rotating radiative-convective equilibria
at GCM resolution. Journal of the Atmospheric Sciences.
- Kang, Held, Frierson, and Zhao, 2008: The response of the ITCZ to
extratropical thermal forcing: Idealized slab-ocean experiments with a GCM.
Journal of Climate.
- Chen and Held, 2007: Phase speed spectra & the recent poleward shift of
Southern Hemisphere surface westerlies. Geophysical Research Letters.
- Held, 2007: Progress and problems in
large-scale atmospheric dynamics. In The Global Circulation of
the Atmosphere
- Chen, Held, and Robinson, 2007: Sensitivity of the latitude of the
Surface Westerlies to surface friction. Journal of the Atmospheric
Sciences.
Selected recent papers on the effects of global warming on hurricanes
- Zhao, Held, Lin, and Vecchi, submitted: Simulations of global hurricane
climatology, interannual variability, and response to global warming using a
50km resolution GCM. Journal of Climate.
- Garner, Held, Knutson, and Sirutis, submitted: The roles of wind shear
and thermodynamic stability in past and projected changes of Atlantic
tropical-cyclone activity, Journal of Climate.
-
Knutson, Sirutis, Garner, Vecchi, and Held, 2008: Simulated reduction in Atlantic hurricane frequency
under twenty-first-century warming conditions. Nature Geoscience.
- Knutson, Sirutis, Garner, Held, and Tuleya, 2007:
Simulation of the recent multidecadal increase of Atlantic Hurricane
activity using an 18-km-Grid Regional Model. Bulletin of the American Meteorological Society,.
Selected recent papers on the hydrological cycle and climate change:
- Giannini, , Biasutti, Held, and Sobel, 2008:
A global perspective on
African climate. Climatic Change.
- Vechhi, Soden, Wittenberg, Held, Leetmaa, and Harrison, 2006:
Weakening of tropical
Pacific atmospheric circulation due to anthropogenic forcing.
Nature
- Held and Soden, 2006: Robust responses of the hydrological cycle to
global warming. Journal of Climate,
- Held, Delworrth, Lu, Findell, and Knutson, 2005: Simulation
of Sahel drought in the 20th and 21st centuries . Proceedings of the
National Academy of Sciences.
Selected recent papers on climate sensitivity:
- Soden, Held, Colman, Shell, Kiehl, and Shields, 2008: Quantifying
climate feedbacks using radiative kernels. Journal of Climate
- Zhang, Delworth, and Held, 2007: Can the Atlantic Ocean drive the
observed multidecadal variability in Northern Hemisphere mean temperature?
Geophysical Research Letters
- Soden and Held, 2006: An assessment of climate feedbacks in coupled
ocean-atmosphere models . Journal of Climate
