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My primary research focus is climatic variability over the last ~2,000 years and its impact on human systems and forest ecosystems. Amongst a range of related topics, my research team uses tree rings to reconstruct (1) atmospheric circulation patterns(link is external) , (2) extreme climate events(link is external), including wildfire(link is external), and (3) the terrestrial carbon cycle.(link is external) Innovative aspects of my research include multi-proxy approaches (i.e., combining tree-ring data with other high-resolution proxies(link is external) and documentary data(link is external)) and synchronization with the approaches used by climate process and modeling experts (e.g., reconstruction of the North Atlantic(link is external) and North Pacific Jet (link is external)stream). I cover all of these topics in a broad audience book about tree rings, climate history, and human history. Tree Story: The History of the World Written in Rings (link is external)will be published by Johns Hopkins University Press in April 2020. You can find more info about my research and my research team at http://trouetlab.arizona.edu/

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Courses
  • IGC
    Introduction to Global Change

  • ID
    Introduction to Dendrochronology

Grants
  • Funding agency logo
    Collaborative Research: Extending tree-ring based reconstructions of Atlantic Gulf Basin hydroclimate over the Common Era using old-growth sinker wood

    Co-Investigator (COI)

    2022

    $400.3K
    Active
  • Funding agency logo
    ACcurate Temperature REconstructions Based On and Abrupt Climate Change Mapping in Tree-Rings from Ancient Bristlecone Pines, the Longest-Living Organisms in The World [ACTREAL]

    Co-Investigator (COI)

    2021

    $46.4K
    Active
  • Funding agency logo
    CAREER: Tree-Ring Based Reconstruction of Northern Hemisphere Jetstream Variability

    Principal Investigator (PI)

    2014

    $635.3K
  • Funding agency logo
    Estimating Carbon Flux and Storage: Constraint of the Community Land Model using Observations at Different Temporal Scales

    Co-Investigator (COI)

    2013

    $952.4K
  • Funding agency logo
    Influence of interannual North Pacific Jet variability on Sierra Nevada Fire regimens

    Principal Investigator (PI)

    2013

    $126.6K
  • Funding agency logo
    North American Dendroclimatic Data: Compilation, Characterization, and Spatiotemporal Analysis

    Principal Investigator (PI)

    2011

    $4.7K
News
  • Increased heat and drought stunt tropical trees, a major carbon sink

    2022

  • California's 'climate whiplash' has been worsening for 50 years and will continue

    2022

  • New Research on Tropical Cyclone Extremes Could Aid in Disaster Planning

    2021

  • Here's What to Expect From All-Virtual Tucson Festival of Books

    2021

  • Water, Not Temperature, Limits Global Forest Growth as Climate Warms

    2019

  • Wildfire Risk in California No Longer Coupled to Winter Precipitation

    2019

  • Jet Stream Changes Since 1960s Linked to More Extreme Weather

    2018

  • Tracking the Movement of the Tropics 800 Years into the Past

    2018

  • Study: North American Forests Aren't Saviors From Climate Change

    2016

  • Shipwrecks, Tree Rings Reveal Caribbean Hurricanes

    2016

  • Meet 'Adonis,' Europe’s Oldest Known Living Tree

    2016

  • Forest Fires in Sierra Nevada Driven by Past Land Use

    2016

  • Sierra Nevada Snowpack Lowest in 5 Centuries

    2015

  • UA Delegation to Attend Climate Conference

    2015

Publications (106)
Recent
  • Strong wind drives grassland fire in China

    2021

  • The North American tree-ring fire-scar network

    2021

  • Recent increases in tropical cyclone precipitation extremes over the US East Coast.

    2021

  • Thank You to Our 2020 Peer Reviewers

    2021

  • The influence of decision-making in tree ring-based climate reconstructions

    2021

  • Operational Short- to Medium-Range (SR2MR) Streamflow Forecasting for the Upper Zambezi Basin, Africa

    2021

  • Jet stream position explains regional anomalies in European forest productivity

    2021

  • Dry-season climate drives interannual variability in tropical tree growth.

    2021

  • Long-term decrease in Asian monsoon rainfall and abrupt climate change events over the past 6,700 years.

    2021

  • Length of growing season is modulated by Northern Hemisphere jet stream variability.

    2021

  • Enhanced winter, spring, and summer hydroclimate variability across Califronia from 1940 to 2019

    2021

  • ENSO modulates wildfire activity in China.

    2021

  • Increased water use efficiency leads to decreased precipitation sensitivity of tree growth, but is offset by high temperatures

    2021

  • Fire history of Pinus nigra in Western Anatolia: a first dendro-chronological study

    2021

  • Seasonal divergence between soil water availability and atmospheric moisture recorded in intra-annual tree-ring δ18O extremes

    2020

  • Multiscale northern westerlies drift in Europe since the middle Holocene

    2020

  • Intra-annual tree-ring d18O and d13C as ecophysiological indicators in humid subtropical China

    2020

  • Recent anthropogenic curtailing of Yellow River runoff and sediment load is unprecedented over the past 500 years.

    2020

  • Climate sensitivity of understory trees differs from overstory trees in temperate mesic forests.

    2020

  • Thank You to Our 2019 Peer Reviewers

    2020

  • Host-specific responses to climate define symbioses in boreal forests

    2020

  • A lonely dot on the map: exploring the climate signal in tree-ring density and stable isotopes of Clanwilliam cedar, South Africa

    2020

  • Ecological and societal effects of Central Asian streamflow variation over the past eight centuries

    2020

  • North Atlantic Oscillation modulates the interplay between monsoon and westerlies in Asia on interdecadal timescales

    2020

  • Poleward Excursions by the Himalayan Subtropical Jet Over the Past Four Centuries

    2020

  • Dendroclimatic analysis of Pinus peuce Griseb. At subalpine and treeline locations in Pirin Mountains, Bulgaria

    2020

  • Tree growth-climate relationships: should we detrend the explanatory variables?

    2020

  • Tree growth response to recent warming of two endemic species in Northeast Asia.

    2020

  • Tree ring-based historic hydroclimatic variability of the Baja California Peninsula

    2020

  • Scientific Merits and Analytical Challenges of Tree‐Ring Densitometry

    2019

  • Century-scale temperature variability and onset of industrial-era warming in the Eastern Tibetan Plateau

    2019

  • A 1200+year reconstruction of temperature extremes for the northeastern Mediterranean region

    2019

  • Seasonal and synoptic climatic drivers of tree growth in the Bighorn Mountains, WY, USA (1654-1983 CE)

    2019

  • Jet stream dynamics, hydroclimate, and fire in California from 1600 CE to present

    2019

  • Twentieth century redistribution in climatic drivers of global tree growth

    2019

  • Climate change is a driver of the rising urban fire activity in China

    2019

  • How do droughts and wildfires alter seasonal radial growth in Mediterranean Aleppo pine forests?

    2018

  • Regional drought shifts (1700-2011) in East Central Asia and linkages with atmospheric circulation recorded in tree-ring d18O.

    2018

  • Relative influences of multiple sources of uncertainty on cumulative and incremental tree-ring-derived aboveground biomass estimates

    2018

  • Post-1980 shifts in the sensitivity of boreal tree growth to North Atlantic Ocean dynamics and seasonal climate

    2018

  • Recent enhanced high-summer North Atlantic Jet variability emerges from three-century context

    2018

  • When tree rings go global: Challenges and opportunities for retro- and prospective insight

    2018

  • Climatic and volcanic forcing of tropical belt northern boundary over the past 800 years

    2018

  • Evaluating the effect of alternative carbon allocation schemes in a land surface model (CLM4.5) on carbon fluxes, pools, and turnover in temperate forests

    2017

  • PP51C-1077: Summer Temperature Extremes in the Northern Rockies: A Tree-Ring-Based Reconstruction (1670-2014) from the Bighorn Mountains, WY

    2017

  • Meet Adonis, Europe’s oldest dendrochronologically dated tree.

    2017

  • Uncertainty in tree-ring based biomass estimates does not alter growth-climate relationships.

    2017

  • Northern Hemisphere Jet Stream Position Indices as Diagnostic Tools for Climate and Ecosystem Dynamics

    2017

  • Pacific-Atlantic Ocean influence on wildfires in northeast China (1774 to 2010)

    2017

  • Climatic history of the northeastern United States during the past 3000 years

    2016

  • Socio-Ecological transitions trigger fire regime shifts and modulate fire-climate interactions in the Sierra Nevada, USA 1600-2015 CE

    2016

  • The value of crossdating to retain high-frequency variability, climate signals, and extreme events in environmental proxies.

    2016

  • High-elevation inter-site differences in Mount Smolikas tree-ring width data

    2016

  • Ranking of tree-ring based temperature reconstructions of the past millennium

    2016

  • Wood density provides new opportunities for reconstructing past temperature variability from southeastern Australian trees.

    2016

  • Shipwreck rates reveal Caribbean tropical cyclone response to past radiative forcing.

    2016

  • Multi-century evaluation of Sierra Nevada snowpack

    2016

  • Latitudinal gradients in tree-ring stable carbon and oxygen isotopes reveal differential climate influences of the North American Monsoon system.

    2016

  • Observed forest sensitivity to climate implies larger reductions in 21st century forest growth

    2016

  • A tree-ring based reconstruction of early summer precipitation in southwestern Virginia (1750-1981)

    2015

  • Climate sensitivity of Mediterranean pine growth reveals distinct east-west dipole

    2015

  • Peer review report 1 On ``Fire weather and large fire potential in the northern Sierra Nevada

    2015

  • Old World megadroughts and pluvials during the Common Era.

    2015

  • Corrigendum: Continental-scale temperature variability during the past two millennia

    2015

  • North Atlantic tropical cyclone response to radiative forcing revealed by shipwrecks

    2015

  • A composite annual-resolution stalagmite record of North Atlantic climate over the last three millennia.

    2015

  • Synoptic drivers of 400 years of summer temperature and precipitation variability on Mt. Olympus, Greece

    2015

  • Some Perspectives on Societal Impacts of Past Climatic Changes

    2014

  • A tree-ring perspective on the terrestrial carbon cycle

    2014

  • Toward consistent measurements of carbon accumulation: A multi-site assessment of biomass and basal area increment across Europe

    2014

  • A tree-ring based late summer temperature reconstruction (1675-1980) for the northeastern Mediterranean

    2014

  • KNMI climate explorer: A web-based research tool for high-resolution paleoclimatology

    2013

  • Site- and species-specific responses of forest growth to climate across the European continent

    2013

  • Continental-scale temperature variability during the past two millennia

    2013

  • A 1500-year reconstruction of annual mean temperature for temperate North America on decadal-to-multidecadal time scales

    2013

  • A tree-ring based comparison of Terminalia superba climate-growth relationships in West and Central Africa

    2013

  • North Atlantic storminess and Atlantic Meridional Overturning Circulation during the last Millennium: Reconciling contradictory proxy records of NAO variability

    2012

  • An 800-year decadal-scale reconstruction of annual mean temperature for temperate North America

    2012

  • Climate sensitivity of a millennium-long pine chronology from Albania

    2012

  • Cambial Growth Season of Brevi-Deciduous Brachystegia spiciformis Trees from South Central Africa Restricted to Less than Four Months

    2012

  • North American Dendroclimatic Data: Compilation, Characterization, and Spatiotemporal Analysis

    2012

  • A pan-European summer teleconnection mode recorded by a new temperature reconstruction from the northeastern Mediterranean (ad 1768-2008)

    2012

  • 2500 years of European climate variability and human susceptibility

    2011

  • High resolution δ sup 18 /sup O and δ sup 13 /sup C records from an annually laminated Scottish stalagmite and relationship with last millennium climate

    2011

  • Diverse climate sensitivity of Mediterranean tree-ring width and density

    2010

  • Tree-ring indicators of German summer drought over the last millennium

    2010

  • Fire-climate interactions in the American West since 1400 CE

    2010

  • Climate/growth relationships of Brachystegia spiciformis from the miombo woodland in south central Africa

    2010

  • Climate signal in tree-ring chronologies of Pinus peuce and Pinus heldreichii from the Pirin mountains in Bulgaria

    2010

  • Multi-century variability in the Pacific North American circulation pattern reconstructed from tree rings

    2010

  • Ensemble reconstruction constraints on the global carbon cycle sensitivity to climate

    2010

  • Human and climatic influences on fire occurrence in California's North Coast Range, USA

    2009

  • Persistent positive north atlantic oscillation mode dominated the medieval climate anomaly

    2009

  • Reconstructing Climate Dynamics Over the Past Millennium: Synoptic‐Scale Climate Dynamics Over the Last Millennium: A Case Study for the MCA‐LIA Transition; Kippel, Switzerland, 17–20 May 2009

    2009

  • Species-specific climate sensitivity of tree growth in Central-West Germany

    2009

  • Reconstructing climate dynamics over the past millenniumxs

    2009

  • Interannual variations in fire weather, fire extent, and synoptic-scale circulation patterns in northern California and Oregon

    2009

  • Climatic influences on fire regimes in montane forests of the southern Cascades, California, USA

    2008

  • The potential to reconstruct Manasi River streamflow in the Northern Tien Shan Mountains (NW China)

    2007

  • Annual growth ring patterns in Brachystegia spiciformis reveal influence of precipitation on tree growth

    2006

  • Fire-climate interaction in forests of the American Pacific coast

    2006

  • Climatic signals in tree rings of Burkea africana and Pterocarpus angolensis from semiarid forests in Namibia

    2004

  • Dendroclimatological potential of the miombo woodland in Zambia

    2003

  • Tree ring analysis of Brachystegia spiciformis and Isoberlinia tomentosa: Evaluation of the enso-signal in the miombo woodland of eastern Africa

    2001

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