KMap
Welcome! I'm Dr. Jessica Tierney, an Associate Professor at the University of Arizona. I study past climate change (paleoclimatology) to learn about how the Earth system works and what's in store for the future. My research group focuses on studying past climates over a variety of timescales, using organic geochemical techniques and statistical climate reconstruction. I'm proud to be a Packard Foundation Fellow, an American Geophysical Union Fellow, and a lead author on the upcoming Intergovernmental Panel on Climate Change (IPCC) Sixth Assessment report.

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Courses
  • OS
    Ocean Sciences

  • THEC
    The History of Earth's Climate

  • OG
    Organic Geochemistry

Grants
  • Funding agency logo
    2022 Waterman Award

    Principal Investigator (PI)

    2022

    $1.0M
    Active
  • Funding agency logo
    A Paleoclimate Reanalysis of the Coupled Greenland Ice Sheet--Climate Evolution During the Last Interglacial

    Principal Investigator (PI)

    2022

    $387.5K
    Active
  • Funding agency logo
    Collaborative Research: P2C2-- Constraining Cloud and Convective Parameterizations Using Paleoclimate Data Assimilation

    Principal Investigator (PI)

    2022

    $260.3K
    Active
  • Funding agency logo
    paleoCAMP: A Multidisciplinary Summer School For Graduate Students In Paleoclimatology

    Principal Investigator (PI)

    2021

    $425.2K
    Active
  • Funding agency logo
    Collaborative Research: Quantifying the Sea-Surface Temperature Pattern Effect for LGM and Pliocene Constraints on Climate Sensitivity

    Principal Investigator (PI)

    2020

    $122.8K
    Active
  • Funding agency logo
    Collaborative Research: Anatomy of a Greenhouse World: The Early Eocene in the Green River Basin, Wyoming

    Principal Investigator (PI)

    2018

    $203.5K
    Active
  • Funding agency logo
    Molecular Views Of Past Changes in the North American Monsoon

    Principal Investigator (PI)

    2017

    $505.0K
    Active
  • Funding agency logo
    Packard Foundation Fellowship

    Principal Investigator (PI)

    2015

    $875.0K
    Active
  • Funding agency logo
    Determination Of Ancient Depositional Environments Via Mulitvariate Analyses Of Glycerol Ether Lipids

    Principal Investigator (PI)

    2020

    $110.0K
  • Funding agency logo
    Collaborative Research: A Paleoclimate Perspective on the Response of Southwest North American Rainfall to Elevated Greenhouse Gases

    Principal Investigator (PI)

    2019

    $62.9K
News
  • College of Science to host myth-busting lecture series

    2023

  • UArizona climate adaptation experts contribute to latest IPCC climate report

    2022

  • Women in climate change: Jessica Tierney

    2022

  • UArizona paleoclimatologist to receive NSF's highest early-career honor

    2022

  • UArizona Paleoclimatologist Weighs in on 'Hot Drought' as a Lead Author on IPCC Climate Report

    2021

  • Global Temperatures Over Last 24,000 Years Show Today's Warming 'Unprecedented'

    2021

  • Community Climate Change Course Brings Faculty Expertise to Public

    2020

  • Past is Key to Predicting Future Climate, Scientists Say

    2020

  • How Cold Was the Ice Age? Researchers Now Know

    2020

  • Study of Ancient Climate Suggests Warming Could Accelerate as CO2 Levels Rise

    2019

  • Ancient Plankton Help Researchers Predict Near-Future Climate

    2019

  • Mud from the Deep Sea Reveals Clues about Ancient Monsoon

    2018

  • UA Scientists Selected as Authors for International Climate Report

    2018

  • UA Science Café Series Kicks Off New Season

    2017

  • Ancient Humans Left Africa to Escape Drying Climate

    2017

  • Green Sahara's Ancient Rainfall Regime Revealed by Scientists

    2017

  • Horn of Africa Drying Ever Faster as Climate Warms

    2015

  • UA Geoscientist Awarded Packard Fellowship

    2015

  • Twentieth-Century Warming in Lake Tanganyika is Unprecedented

    2010

Publications (78)
Recent
  • DeepMIP: model intercomparison of early Eocene climatic optimum (EECO) large-scale climate features and comparison with proxy data

    2021

  • Identifying plant wax inputs in lake sediments using machine learning

    2021

  • Reflections on weather and climate research

    2021

  • Glacial-Interglacial Shifts Dominate Tropical Indo-Pacific Hydroclimate During the Late Pleistocene

    2021

  • Assessment of equilibrium climate sensitivity of the Community Earth System Model version 2 through simulation of the Last Glacial Maximum

    2021

  • Late Eocene record of hydrology and temperature from Prydz Bay, East Antarctica

    2021

  • Climatic Drivers of Deglacial SST Variability in the Eastern Pacific

    2021

  • Subseafloor Archaea reflect 139 kyrs of paleodepositional changes in the northern Red Sea

    2021

  • A global Bayesian temperature calibration for lacustrine brGDGTs

    2021

  • Water Cycle Changes

    2021

  • A data assimilation approach to last millennium temperature field reconstruction using a limited high-sensitivity proxy network

    2021

  • Globally resolved surface temperatures since the Last Glacial Maximum

    2021

  • The PMIP4 Last Glacial Maximum experiments: preliminary results and comparison with the PMIP3 simulations

    2021

  • Temperature and water depth effects on brGDGT distributions in sub-alpine lakes of mid-latitude North America

    2021

  • Unraveling Glacial Hydroclimate in the Indo-Pacific Warm Pool: Perspectives From Water Isotopes

    2020

  • Controlled lacustrine microcosms show a brGDGT response to environmental perturbations

    2020

  • Glacial cooling and climate sensitivity revisited

    2020

  • Lessons from a high-CO$_2$ world: an ocean view from $\sim$3 million years ago

    2020

  • Miocene C4 grassland expansion as recorded by the Indus Fan

    2020

  • Past climates inform our future

    2020

  • BayMBT: A Bayesian calibration model for branched glycerol dialkyl glycerol tetraethers in soils and peats

    2020

  • A global database of Holocene paleotemperature records

    2020

  • Lipid biomarker record documents hydroclimatic variability of the Mississippi River basin during the Common Era

    2020

  • Revised chronology of the ICDP Dead Sea deep drill core relates drier-wetter-drier climate cycles to insolation over the past 220 kyr

    2020

  • Emergence of an equatorial mode of climate variability in the Indian Ocean

    2020

  • Global mean surface temperature and climate sensitivity of the early Eocene Climatic Optimum (EECO), Paleocene--Eocene Thermal Maximum (PETM), and latest Paleocene

    2020

  • Temperature changes across the Paleocene-Eocene Thermal Maximum--a new high-resolution TEX86 temperature record from the Eastern North Sea Basin

    2020

  • Simulation of Eocene extreme warmth and high climate sensitivity through cloud feedbacks

    2019

  • Global Core Top Calibration of $\delta^18$O in Planktic Foraminifera to Sea Surface Temperature

    2019

  • Bayesian calibration of the Mg/Ca paleothermometer in planktic foraminifera

    2019

  • Shelf exposure influence on Indo-Pacific Warm Pool climate for the last 450,000 years

    2019

  • The DeepMIP contribution to PMIP4: methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data, incorporating version 0.1 of the DeepMIP database

    2019

  • Lacustrine brGDGT response to microcosm and mesocosm incubations

    2019

  • Biomarkers reveal abrupt switches in hydroclimate during the last glacial in southern California

    2019

  • An El Ni\~no Mode in the Glacial Indian Ocean?

    2019

  • Pliocene warmth consistent with greenhouse gas forcing

    2019

  • BAYSPLINE: A New Calibration for the Alkenone Paleothermometer

    2018

  • Ice sheet modulation of deglacial North American monsoon intensification

    2018

  • Glacial changes in tropical climate amplified by the Indian Ocean

    2018

  • Comparing proxy and model estimates of hydroclimate variability and change over the Common Era

    2017

  • The DeepMIP contribution to PMIP4: experimental design for model simulations of the EECO, PETM, and pre-PETM (version 1.0)

    2017

  • Eocene temperature gradients

    2017

  • A global multiproxy database for temperature reconstructions of the Common Era

    2017

  • Glacial reduction of the North American Monsoon via surface cooling and atmospheric ventilation

    2017

  • Rainfall regimes of the Green Sahara

    2017

  • Comparison of three methods for the methylation of aliphatic and aromatic compounds

    2017

  • A climatic context for the out-of-Africa migration

    2017

  • The climate response of the Indo-Pacific warm pool to glacial sea level

    2016

  • South Pacific hydrologic and cyclone variability during the last 3,000 years

    2016

  • Early onset of industrial–era warming across the oceans and continents

    2016

  • An automated method for the determination of the TEX86 and U-37(K ') paleotemperature indices

    2016

  • Changes in northeast African hydrology and vegetation associated with Pliocene-Pleistocene sapropel cycles

    2016

  • GDGT and alkenone flux in the northern Gulf of Mexico: Implications for the TEX86 and UK′37 paleothermometers

    2016

  • Cooling and drying in northeast Africa across the Pliocene

    2016

  • Deglacial Indian monsoon failure and North Atlantic stadials linked by Indian Ocean surface cooling

    2016

  • Past and future rainfall in the Horn of Africa

    2015

  • Tropical sea surface temperatures for the past four centuries reconstructed from coral archives

    2015

  • A TEX86 surface sediment database and extended Bayesian calibration

    2015

  • A Bayesian, spatially-varying calibration model for the TEX86 proxy

    2014

  • Indonesian vegetation response to changes in rainfall seasonality over the past 25,000 years

    2014

  • Multidecadal variability in East African hydroclimate controlled by the Indian Ocean

    2013

  • The effect of sea level on glacial Indo-Pacific climate

    2013

  • Identifying coherent spatiotemporal modes in time-uncertain proxy paleoclimate records

    2013

  • Abrupt Shifts in Horn of Africa Hydroclimate Since the Last Glacial Maximum

    2013

  • The influence of Indian Ocean circulation on Warm Pool hydroclimate during the Holocene epoch

    2012

  • Core and intact polar glycerol dialkyl glycerol tetraethers (GDGTs) in Sand Pond, Warwick, Rhode Island (USA): Insights into the origin of lacustrine GDGTs

    2012

  • Green Sahara: African Humid Periods paced by Earth’s orbital changes

    2012

  • Late Quaternary behavior of the East African monsoon and the importance of the Congo Air Boundary

    2011

  • Model, proxy and isotopic perspectives on the East African Humid Period

    2011

  • A molecular perspective on Late Quaternary climate and vegetation change in the Lake Tanganyika basin, East Africa

    2010

  • Late-twentieth-century warming in Lake Tanganyika unprecedented since AD 500

    2010

  • Environmental controls on branched tetraether lipid distributions in tropical East African lake sediments

    2010

  • Coordinated hydrological regimes in the Indo-Pacific region during the past two millennia

    2010

  • Distributions of branched GDGTs in a tropical lake system: Implications for lacustrine application of the MBT/CBT paleoproxy

    2009

  • Northern hemisphere controls on tropical southeast African climate during the past 60,000 years

    2008

  • Subdecadally resolved paleoceanography of the Peru margin during the last two millennia

    2008

  • Abrupt climate change in southeast tropical Africa influenced by Indian monsoon variability and ITCZ migration

    2007

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