People


Andrew Richardson (Google Scholar)

Professor, Center for Ecosystem Science and Society (Ecoss)
Professor, School of Informatics, Computing & Cyber Systems (SICCS)

PhD (2003) Yale University, Forestry & Environmental Studies
AB (1992) Princeton University, Economics

Email: andrew.richardson@nau.edu
Telephone: 928 523 3049

Research interests: Terrestrial ecosystems and global change; Forest ecology; Biosphere-atmosphere interactions and feedbacks; Carbon allocation in plants; Phenology; Model-data fusion.


Eric Beamesderfer
(Google Scholar)

Postdoctoral Research Associate

PhD (2020) McMaster University, Earth & Environmental Sciences
MS (2015) University of Wyoming, Atmospheric Sciences
BS (2012) California University of Pennsylvania, Meteorology

Email: eric.beamesderfer@nau.edu
Telephone: 928 523 1263

Research interests: Forest-atmosphere interactions; Boundary-layer meteorology; Phenology; Eddy covariance.


Shawna Greyeyes

National Science Foundation Research Experience for Undergraduates 2019
Laboratory Assistant 2020–present

BS (2022) Northern Arizona University, Nursing
Email: shawna99g@gmail.com
Telephone: 928 814 5031


Jim LeMoine (Google Scholar)

Lab Manager

MS (2005) University of Toledo
BS (2001) Michigan Technological University

Email: jim.le.moine@nau.edu
Telephone: 928 523 0732

Research interests: Biogeochemistry–specifically C, N, and Hg; Forest Ecology and Management; Soil Organic Matter Formation; Phenology


Tim Rademacher (Google Scholar)

Postdoctoral Research Associate

PhD (2016) University of Cambridge
BA   (2012) University of Cambridge

Email: tim.rademacher@nau.edu

Research Interests: Eco-physiology of terrestrial vegetation


Christina Schädel 
(Research Gate; Google scholar)

Assistant Research Professor

PhD (2009) University of Basel, Switzerland
MS (2005) University of Basel, Switzerland and University of Vienna, Austria
BS (2004) University of Basel, Switzerland

Email: christina.schaedel@nau.edu

Research interests: Global carbon cycle; Data synthesis; Meta-analysis; Permafrost carbon; and Climate change experiments


Aaron Teets

Predoctoral Fellow

MS (2018) University of Maine, Forest Resources
BS (2008) Virginia Tech, Biological Sciences

Email: aft49@nau.edu
Telephone: 928 523 1263

Research interests: Forest carbon dynamics; Phenology; Woody biomass increment; Non-structural carbohydrates; Eddy-covariance


Adam Young

Postdoctoral Research Associate

PhD (2018) University of Idaho

Email: adam.young@nau.edu
Telephone: 928 523 1263

Research interests: Phenology and climate change; Land-atmosphere interactions; Fire ecology; Arctic and boreal forest ecology; Geospatial analysis and statistical modelling

Special Guests

photograph of Don Aubrecht
Don Aubrecht (LinkedIn)

Affiliated Research Scientist (2017 to Present)

PhD (2013) Harvard University, Applied Physics
SM (2008) Harvard University, Applied Physics
BS (2006) Cornell University, Engineering Physics

Email: don.aubrecht@gmail.com

Research interests: Vegetation dynamics; Remote Sensing; Process-based modeling;  Sensor development for eco-physiological measurements

photo of david basler
David Basler (Research Gate; Google Scholar)

Affiliated Research Scientist (2017 to Present)

PhD (2014) University of Basel, Botany
MS (2008) University of Basel, Ecology
BS (2006) University of Basel, Biology

Email:  david.j.basler@gmail.com

Research interests: Vegetation dynamics; Carbon/Water cycling; Remote Sensing; Process-based modeling;  Sensor development for eco-physiological measurements

Koen Hufkens

Affiliated Research Scientist (2017 to Present)

Visiting from Ghent University (October to December 2018, 2019)
PhD  (2009) University of Antwerp

Email: koen.hufkens@gmail.com

Research interests: modelingmodel ecosystem processes, such as vegetation growth or drought / disturbance resistance, using various -retrospective- proxy measurements in a model data fusion approach, including among others remote sensing, dendrochronology and recovered historical data records


Fateme Yousefi Lalimi

Postdoctoral Researcher (2018 to 2021)

Visiting from Arizona State University
PhD (2018) Duke University

Email: f.yousefi@asu.edu

Research interests: Coastal morphodynamics; Barrier systems; Estuarine and nearshore processes; Sediment transport; process based modeling and remote sensing of coastal processes


Kevin Bórnez Mejías

Predoctoral Researcher (September to December 2018)

Visiting from Universitat Autònoma de Barcelona
MS  (2013) Universidad de Castilla-La Mancha
MS (2014) Universidad de Málaga (2014)

Email: k.bornez@creaf.uab.cat

Research interests: optimizing algorithms to estimate vegetative phenology  from satellites; response of the vegetation to climate change and feedbacks among plant phenophases on the global climate

NAU Alumni


Katharyn Duffy

Postdoctoral Research Associate 2018 to 2020: Kate Duffy developed the Phenosynth tool while in the lab. She continued supporting the SICCS T3 graduate program at NAU after her time in the lab.

PhD (2018) Northern Arizona University,
Earth Sciences & Environmental Sustainability
MS (2012) Northern Arizona University, Climate Science & Solutions
BS (2011) Portland State University, Geology

Email: katharyn.duffy@nau.edu
Telephone: 928 523 1263

Research interests: terrestrial biosphere-Earth system interactions; Climatic change effects on phenology and land-atmosphere carbon exchange


Elise Miller

National Science Foundation Research Experience for Undergraduates 2019: Elise continued working on her REU project for he senior thesis and submitted it for publication with her mentor Tim Rademacher. She continued her graduate studies at the University of Minnesota-Duluth after her time in the lab.

BS (2020) College of St. Benedict, Biology

Email: E1Miller@csbsju.edu
Telephone: 320 407 3922


Amberlee Pavey

Undergraduate Student Worker

Autumn 2018: Amberlee processed leaf samples and helped build a training dataset to identify cloudy, hazy, and snowy PhenoCam images. She continued her studies in Forensic Science after her tenure in the lab.

Email: ap2728@nau.edu
Telephone: 928 523 0732


Gabby Sequeira

Undergraduate Student Worker

BS (2022) Northern Arizona University, Environmental Studies

Spring 2019: Gabby processed wood samples for and helped with non structural carbohydrate analyses. She continued at NAU after her tenure in the lab.

Email: gls228@nau.edu
Telephone: 480 828 0898


Bijan Seyednasrollah (Home page; Google scholar)

Postdoctoral Research Associate (2017–2020)

PhD (2017) Duke University, Environment
MS (2006) Sharif University Technology, Mechanical Engineering
BS (2003) University of Semnan, Mechanical Engineering

Email: bijan.seyednasrollah@nau.edu

Research interests: Global environmental change; Environmental data science, Hierarchical Bayesian statistics; Process- and physics-based modeling of land-atmosphere interactions; Energy transfer of terrestrial ecosystems; Eco-hydrology

Kevyn Sisante

Undergraduate Student Worker

BS (2020) Northern Arizona University, Computer Science

Fall 2018 to Spring 2019: Kevyn processed leaf samples and helped build a training dataset to identify cloudy, hazy, and snowy PhenoCam images. He also worked on code to automate snow detection. He continued his computer science studies at NAU after his tenure in the lab.

Email: kps243@nau.edu
Telephone: 928 523 0732


Angelina Valenzuela

Undergraduate Student Worker

BS (2022) Northern Arizona University, Environmental Studies

Spring 2019: Angie processed wood samples for and helped with non structural carbohydrate analyses. She continued at NAU after her tenure in the lab.

Email: abv46@nau.edu
Telephone: 520 393 9905