A. Park Williams

Adjunct Research Scientist, Biology and Paleo Environment, Lamont-Doherty Earth Observatory (LDEO), Columbia Climate School

Tree Ring Laboratory
Lamont-Doherty Earth Observatory
61 Route 9W
Palisades, NY 10964



Only select publications listed below
Name Published Date
An Unexpected Decline in Spring Atmospheric Humidity in the Interior Southwestern United States and Implications for Forest Fires 2024
Climate dynamics preceding summer forest fires in California and the extreme case of 2018 2022
Growing impact of wildfire on western US water supply 2022
Influence of the South American Low-Level Jet on the Austral Summer Precipitation Trend in Southeastern South America 2022
Megadroughts in the Common Era and the Anthropocene 2022
Rapid Growth of Large Forest Fires Drives the Exponential Response of Annual Forest-Fire Area to Aridity in the Western United States 2022
Disentangling the Regional Climate Impacts of Competing Vegetation Responses to Elevated Atmospheric CO2 2021
Placing the east-west North American aridity gradient in a multi-century context 2021
Projected Changes to Hydroclimate Seasonality in the Continental United States 2021
Uncertainties, Limits, and Benefits of Climate Change Mitigation for Soil Moisture Drought in Southwestern North America 2021
U.S. Pacific Coastal Droughts Are Predominantly Driven by Internal Atmospheric Variability 2021
Divergent Regional Climate Consequences of Maintaining Current Irrigation Rates in the 21st Century 2020
Six hundred years of South American tree rings reveal an increase in severe hydroclimatic events since mid-20th century 2020
Twenty-First Century Drought Projections in the CMIP6 Forcing Scenarios 2020
Dynamics and Variability of the Spring Dry Season in the United States Southwest as Observed in AmeriFlux and NLDAS-2 Data 2019
Increased fall precipitation in the southeastern US driven by higher-intensity, frontal precipitation 2019
Investigating the Causes of Increased Twentieth-Century Fall Precipitation over the Southeastern United States 2019
Oceanic and radiative forcing of medieval megadroughts in the American southwest 2019
Blue Water Trade-Offs With Vegetation in a CO2-Enriched Climate 2018
Revisiting the Leading Drivers of Pacific Coastal Drought Variability in the Contiguous United States 2018
Whither the 100th meridian? The once and future physical and human geography of America's arid-humid divide. Part II: The Meridian Moves East 2018
Whither the 100th meridian? The once and future physical and human geography of America's arid-humid divide. Part I: the story so far 2018
Comparing proxy and model estimates of hydroclimate variability and change over the Common Era 2017
Precipitation, Temperature, and Teleconnection Signals across the Combined North American, Monsoon Asia, and Old World Drought Atlases 2017
The 2016 Southeastern U.S. Drought: An Extreme Departure From Centennial Wetting and Cooling 2017
The Curious Case of Projected Twenty-First-Century Drying but Greening in the American West 2017
Fog drip maintains dry season ecological function in a California coastal pine forest 2016
North American megadroughts in the Common Era: reconstructions and simulations 2016
Climatology, Variability, and Trends in the U.S. Vapor Pressure Deficit, an Important Fire-Related Meteorological Quantity 2015
Contribution of anthropogenic warming to California drought during 2012–2014 2015
Global satellite monitoring of climate-induced vegetation disturbances 2015
Integrating physiological threshold experiments with climate modeling to project mangrove species’ range expansion 2015
Sea Surface Temperature Warming Patterns and Future Vegetation Change 2015
Supplemental Data: Climatology, variability and trends in United States vapor pressure deficit, an important fire-related meteorological quantity 2015
Urbanization causes increased cloud base height and decreased fog in coastal Southern California 2015
Causes and Implications of Extreme Atmospheric Moisture Demand during the Record-Breaking 2011 Wildfire Season in the Southwestern United States 2014
Correlations between components of the water balance and burned area reveal new insights for predicting forest fire area in the southwest United States 2014
Empirical and process-based approaches to climate-induced forest mortality models 2013
Improving operational land surface model canopy evapotranspiration in Africa using a direct remote sensing approach 2013
Projected Future Changes in Vegetation in Western North America in the Twenty-First Century 2013
The critical amplifying role of increasing atmospheric moisture demand on tree mortality and associated regional die-off 2013
Recent summer precipitation trends in the Greater Horn of Africa and the emerging role of Indian Ocean sea surface temperature 2012
Temperature as a potent driver of regional forest drought stress and tree mortality 2012
A westward extension of the warm pool leads to a westward extension of the Walker circulation, drying eastern Africa 2011
Who is the new sheriff in town regulating boreal forest growth? 2011
Using Tree Rings to Predict the Response of Tree Growth to Climate Change in the Continental United States during the Twenty-First Century 2010