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publications
How Moist and Dry Intrusions Control the Local Hydrologic Cycle in Present and Future Climates
Published in Journal of Climate, 2021
Models disagree on how much the hydrologic cycle could intensify under climate change. These changes are expected to scale with the Clausius–Clapeyron relation but may locally diverge due in part to the uncertain response of the general circulation, causing the hydrologic cycle to inherit this uncertainty. To identify how the circulation contributes, we link circulation changes to changes in the higher moments of the hydrologic cycle using the novel dynamical framework of the local hydrologic cycle, the portion of the…
Recommended citation: Smith, S., P. Staten, and J. Lu, 2021: How Moist and Dry Intrusions Control the Local Hydrologic Cycle in Present and Future Climates. Journal of Climate. doi: 10.1175/JCLI-D-20-0780.1
Diabatic Eddy Forcing Increases Persistence and Opposes Propagation of the Southern Annular Mode in MERRA2
Published in Journal of Atmospheric Science, 2024
As a dominant mode of jet variability on sub-seasonal timescales, the Southern Annular Mode (SAM) provides a window into how the atmosphere can produce internal oscillations on longer-than-synoptic timescales. While SAM’s existence can be explained by dry, purely barotropic theories, the timescale for its persistence and propagation is set by a lagged interaction between barotropic and baroclinic mechanisms, making the exact physical mechanisms challenging to identify and to simulate, even in latest generation models. By partitioning the eddy momentum flux…
Recommended citation: Smith, S., J. Lu, and P. Staten, 2024: Diabatic Eddy Forcing Increases Persistence and Opposes Propagation of the Southern Annular Mode in MERRA2. Journal of Atmospheric Science. doi: 10.1175/JAS-D-23-0019.1.
The Intraseasonal North Atlantic Oscillation as a Quasi-Semiannual Propagating Disturbance
Published:
The North Atlantic Oscillation (NAO) is a well-studied mode of regional climate variability over the Northern Atlantic ocean typically associated with fluctuations in sea-level pressure, storm tracks, and the North Atlantic jet. These fluctuations are classically understood to be a kind of see-sawing between one climatic phase, corresponding to a more poleward North Atlantic jet, and the other, a more equatorward North Atlantic jet, making the NAO a regionalized annular mode. However, recent work has shown that annular modes are…
Recommended citation: Smith, S., P. Staten, and J. Lu, 2024: The Intraseasonal North Atlantic Oscillation as a Quasi-Semiannual Propagating Disturbance. In preparation.
talks
Anthropogenic Impacts on Hydrologic Cycle Extremes Mediated by Large-Scale Atmospheric Turbulence
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How much will a changing meridional surface temperature gradient affect the midlatitudes?
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How Moist and Dry Intrusions Control the Local Hydrologic Cycle in Present and Future Climates
Published:
Machine Learning Workshop
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Revisiting the Role of Diabatic Eddy Generation in the Persistence of the Southern Annular Mode
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The Intraseasonal North Atlantic Oscillation as a Quasi-semiannual Propagating Disturbance
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teaching
Highlands Latin School (Year 1)
High-school teacher, Highlands Latin School Indianapolis, 2014
Highlands Latin School (Year 2)
High-school teacher, Highlands Latin School Indianapolis, 2015
Records of Global Climate Change
Undergraduate course, Indiana University, Earth & Atmospheric Science, 2021