# overview
I study the mathematical and physical aspects of the climate system. I use computer models of varying degrees of complexity to analyze weather and climate phenomena. My recent research is focused on the following scientific questions:

- What is the influence of large-scale phenomena such as El Nino and the Atlantic Meridional Mode on tropical cyclone activity?

- Do swirling eddies in the ocean affect atmospheric storms in the middle latitudes?

- Can statistical and machine learning approaches be used to analyze the relationship between atmospheric state and rainfall?

My broader interests include philosophy of science, especially in the context of climate prediction, as well as the innovative use of computers for research and teaching.

# keywords[]
3709 Physical Geography And Environmental Geoscience

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3709 Physical Geography And Environmental Geoscience

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3709 Physical Geography And Environmental Geoscience

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4012 Fluid Mechanics And Thermal Engineering

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4012 Fluid Mechanics And Thermal Engineering

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5102 Atomic, Molecular And Optical Physics

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4009 Electronics, Sensors And Digital Hardware

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Moisture Transport Between The Ocean And Atmosphere

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Mesoscale Sea Surface Temperature Feedback To The Atmosphere

# educationAndTraining[].organization.label
Princeton University - (Princeton, New Jersey, United States)

# publications[].label
An Unprecedented Set of High-Resolution Earth System Simulations for Understanding Multiscale Interactions in Climate Variability and Change

# publications[].label
The response of atmospheric heat transport to zonally-averaged SST trends

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The effects of North Atlantic SST and sea ice anomalies on the winter circulation in CCM3. Part I: Main features and storm track characteristics of the response

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Global multivariate point pattern models for rain type occurrence.

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Statistical significance of trends in monthly heavy precipitation over the US

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The Role of the Wind-Evaporation-Sea Surface Temperature (WES) Feedback as a Thermodynamic Pathway for the Equatorward Propagation of High-Latitude Sea Ice-Induced Cold Anomalies

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Degree of simulated suppression of Atlantic tropical cyclones modulated by flavour of El Nino

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Dynamics of the boreal summer African monsoon in the NSIPP1 atmospheric model

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A study of tropical instability waves over the atlantic using a coupled regional atmosphere-ocean model

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3-DIMENSIONAL QUASI-GEOSTROPHIC CONTOUR DYNAMICS, WITH AN APPLICATION TO STRATOSPHERIC VORTEX DYNAMICS

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Influence of Mean Flow on the ENSO-Vertical Wind Shear Relationship over the Northern Tropical Atlantic

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An investigation of tropical Atlantic bias in a high-resolution coupled regional climate model

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How Do Climate Model Resolution and Atmospheric Moisture Affect the Simulation of Unprecedented Extreme Events Like the 2021 Western North American Heat Wave?

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On the. role of the south Atlantic atmospheric circulation in tropical Atlantic variability

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HURRICANES AND CLIMATE: THE U.S. CLIVAR WORKING GROUP ON HURRICANES (vol 96, pg 997, 2015)

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Interaction between tropical Atlantic variability and El Nino-Southern Oscillation

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Predictability of linear coupled systems. Part I: Theoretical analyses

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The cause of the fragile relationship between the Pacific El Nio and the Atlantic Nio.

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Ocean fronts and eddies force atmospheric rivers and heavy precipitation in western North America.

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HURRICANES AND CLIMATE The US CLIVAR Working Group on Hurricanes

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Statistical and Machine Learning Methods Applied to the Prediction of Different Tropical Rainfall Types

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EQUATORIAL SUPERROTATION AND MAINTENANCE OF THE GENERAL-CIRCULATION IN 2-LEVEL MODELS

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PIRATA: A Sustained Observing System for Tropical Atlantic Climate Research and Forecasting

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Tropical pacific and Atlantic climate variability in CCSM3

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Thermodynamic coupling and tropical predictions

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The effects of North Atlantic SST and sea ice anomalies on the winter circulation in CCM3. Part II: Direct and indirect components of the response

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Stochasticity and spatial resonance in interdecadal climate fluctuations

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Distant Influence of Kuroshio Eddies on North Pacific Weather Patterns?

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A MULTIWAVE MODEL OF THE QUASI-BIENNIAL OSCILLATION

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Variability of the South Atlantic convergence zone simulated by an atmospheric general circulation model

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The Barrier Layer of the Atlantic warm pool: Formation mechanism and influence on the mean climate

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Statistical and Machine Learning Methods Applied to the Prediction of Different Tropical Rainfall Types

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Co-rotating stationary states and vertical alignment of geostrophic vortices with thin cores

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Edge effect correction formula for superspheroids using the Debye series.

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Oceanic mixed layer feedback and Tropical Atlantic variability

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The preconditioning role of the tropical Atlantic in the El Nio/Southern Oscillation's impact on Northeast Brazil rainfall variability

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Importance of Resolving Kuroshio Front and Eddy Influence in Simulating North Pacific Storm Track

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On the interpretation of Caribbean paleo-temperature reconstructions during the Younger Dryas

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Central American mountains inhibit eastern North Pacific seasonal tropical cyclone activity.

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Midlatitude Mesoscale Ocean-Atmosphere Interaction and Its Relevance to S2S Prediction

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Winter Extreme Flux Events in the Kuroshio and Gulf Stream Extension Regions and Relationship with Modes of North Pacific and Atlantic Variability

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Tropical Atlantic seasonal predictability: The roles of El Nino remote influence and thermodynamic air-sea feedback

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Impact of Atlantic SST and high frequency atmospheric variability on the 1993 and 2008 Midwest floods: Regional climate model simulations of extreme climate events

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Tropical Pacific Ocean Dynamical Response to Short-Term Sulfate Aerosol Forcing

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Seasonal-to-decadal prediction using climate models: successes and challenges

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A teleconnection between Atlantic sea surface temperature and eastern and central North Pacific tropical cyclones

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Climate Impacts of CALIPSO-Guided Corrections to Black Carbon Aerosol Vertical Distributions in a Global Climate Model

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Interconnection of Aerosol-Cloud Interactions and Cloud Feedback Through Warm Rain Process

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Droughts in Wind and Solar Power: Assessing Climate Model Simulations for a NetZero Energy Future

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Decadal variability and predictability in the midlatitude ocean-atmosphere system

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Statistical and Machine Learning Methods Applied to the Prediction of Tropical Rainfall

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Atmospheric low-frequency variability and its relationship to midlatitude SST variability: Studies using the NCAR Climate System Model

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Importance of Resolving Kuroshio Front and Eddy Influence in Simulating the North Pacific Storm Track

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A Modeling Strategy for the Investigation of the Effect of Mesoscale SST Variability on Atmospheric Dynamics

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Advective ocean-atmosphere interaction: An analytical stochastic model with implications for decadal variability

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Effect of Atlantic Meridional Overturning Circulation on Tropical Atlantic Variability: A Regional Coupled Model Study

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The role of the wind-evaporation-sea surface temperature (WES) feedback in air-sea coupled tropical variability

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Interdecadal interactions between the tropics and midlatitudes in the Pacific basin

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The effect of local sea surface temperatures on atmospheric circulation over the tropical Atlantic sector

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Thermodynamic coupling and predictability of tropical sea surface temperature

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The role of ocean dynamics in producing decadal climate variability in the North Pacific

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High-Resolution Tropical Channel Model Simulations of Tropical Cyclone Climatology and Intraseasonal-to-Interannual Variability

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Larger Cloud Liquid Water Enhances Both Aerosol Indirect Forcing and Cloud Radiative Feedback in Two Earth System Models

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Pacific meridional mode and El Nino-southern oscillation

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Predictability of linear coupled systems. Part II: An application to a simple model of tropical Atlantic variability

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Satellite-Observed Precipitation Response to Ocean Mesoscale Eddies

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Ocean barrier layers' effect on tropical cyclone intensification.

# publications[].publisher
Proceedings of the National Academy of Sciences

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Chaos in a periodically forced Lorenz system.

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Statistical and Machine Learning Methods Applied to the Prediction of Different Tropical Rainfall Types.

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Oceanic forcing of Sahel rainfall on interannual to interdecadal time scales.

# publications[].publisher
American Association for the Advancement of Science (AAAS)

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Predictive Statistical Representations of Observed and Simulated Rainfall Using Generalized Linear Models.

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Statistical and Machine Learning Methods Applied to the Prediction of Different Tropical Rainfall Types

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The three-dimensional structure of breaking Rossby waves in the polar wintertime stratosphere

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MULTIPLE EQUILIBRIA, NATURAL VARIABILITY, AND CLIMATE TRANSITIONS IN AN IDEALIZED OCEAN-ATMOSPHERE MODEL

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A hybrid coupled model study of tropical Atlantic variability

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Evaluation of a Coupled Modeling Approach for the Investigation of the Effects of SST Mesoscale Variability on the Atmosphere

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Origins of the midlatitude Pacific decadal variability

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Thermodynamic coupling and predictability of tropical sea surface temperature

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Free and Forced Variability of the Tropical Atlantic Ocean: Role of the Wind-Evaporation-Sea Surface Temperature Feedback

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Sensitivity of the thermohaline circulation to surface buoyancy forcing in a two-dimensional ocean model

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Evaluation of a Coupled Modeling Approach for the Investigation of the Effects of SST Mesoscale Variability on the Atmosphere

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Improved Simulations of Atmospheric River Climatology and Variability in High-Resolution CESM

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Effect of Atlantic Meridional Overturning Circulation Changes on Tropical Atlantic Sea Surface Temperature Variability: A 2 1/2-Layer Reduced-Gravity Ocean Model Study

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The Response of Atlantic Tropical Cyclones to Suppression of African Easterly Waves

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Dynamical elements of predicting boreal spring tropical Atlantic sea-surface temperatures

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Simulated precipitation response to SST forcing and potential predictability in the region of the South Atlantic convergence zone

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The Impact of the El Nino-Southern Oscillation and Atlantic Meridional Mode on Seasonal Atlantic Tropical Cyclone Activity

# publications[].label
Dynamics in Atmospheric Physics. By Richard Lindzen. Cambridge University Press. Pp. 310. 25 (hardback)

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The preconditioning role of Tropical Atlantic Variability in the development of the ENSO teleconnection: implications for the prediction of Nordeste rainfall

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The Influence of ENSO Flavors on Western North Pacific Tropical Cyclone Activity

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North Atlantic climate variability: Phenomena, impacts and mechanisms

# researcherOn[].label
Assessing the influence of background state and climate variability on tropical cyclones using initialized ensembles and mesh refinement in E3SM

# researcherOn[].awardedBy.label
United States Department of Energy - (Washington D.C., District of Columbia, United States)

# researcherOn[].label
The Impact of Canonical and Non-canonical El Niño and the Atlantic Meridional Mode on Atlantic Tropical Cyclones

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National Science Foundation - (Arlington, Virginia, United States)

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Investigation of the Effects of Oceanic Mesoscale Eddies on the Midlatitude Storm Tracks and Their Predictability

# researcherOn[].awardedBy.label
National Oceanic and Atmospheric Administration - (Washington D.C., District of Columbia, United States)

# researcherOn[].awardedBy.label
United States Department of Energy - (Washington D.C., District of Columbia, United States)

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A Study of Frontal-Scale Air-Sea Interaction Along the Gulf Stream Extension Using A High-Resolution Coupled Regional Climate

# researcherOn[].awardedBy.label
National Science Foundation - (Arlington, Virginia, United States)

# researcherOn[].label
Role of Ocean Mesoscale Eddy Atmosphere Feedback in North Pacific and Atlantic Climate Variability: A High-Resolution Regional Climate Model Study

# researcherOn[].awardedBy.label
National Science Foundation - (Arlington, Virginia, United States)

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DOE - Collaborative Research: Impacts of Aerosols and Air-Sea Interaction On Community Earth System Model (CESM) Biases In the Western Pacific Warm Pool Region

# researcherOn[].awardedBy.label
United States Department of Energy - (Washington D.C., District of Columbia, United States)

# streetAddress
Texas A&M University; Meteorology; 3150 TAMU

# inTheNews[].label
Keppel-Aleks, Swann, and Xu Receive 2019 Global Environmental Change Early Career Award

# etdChairOf[].label
Zhu, Xiaojie (2013-08). Influence of Mean State on Climate Variability at Interannual and Decadal Time Scales. Doctoral Dissertation.

# etdChairOf[].label
Steinweg-Woods, Jesse Matthew (2016-05). A Lagrangian Analysis of Midlatitude Air-Sea Interaction Associated with Mesoscale Oceanic Eddies. Doctoral Dissertation.