KMap

VOSviewer

Courses
  • MMB
    Mathematical Models in Biology

  • GC
    Global Change

  • MMIB
    Math Models In Biology

  • REE
    Research in Ecology and Evolution

  • MBGC
    Microbial Biogeochemistry and Global Change

Grants
  • Funding agency logo
    Collaborative Research: Cascade "Ecohydromics" in the Amazonian Headwater System

    Principal Investigator (PI)

    2022

    $252.5K
    Active
  • Funding agency logo
    Gatekeepers of Arctic Carbon Loss: Landscape-Scale Metabolites-to-Ecosystems Profiling to Mechanistically Map Climate Feedbacks

    Co-Investigator (COI)

    2022

    $167.4K
    Active
  • Funding agency logo
    Collaborative Research: GCR: Growing a New Science of Landscape Terraformation: The Convergence of Rock, Fluids, and Life to form Complex Ecosystems Across Scales

    Principal Investigator (PI)

    2021

    $1.2M
    Active
  • Funding agency logo
    Trees as Conduits for Connecting Belowground Microbial Processes to Aboveground CH4 Emissions at the Terrestrial-Aquatic Interface

    Principal Investigator (PI)

    2021

    $856.1K
    Active
  • Funding agency logo
    NRT-URoL: BRIDGES - Building Resources for InterDisciplinary training in Genomic and Ecosystem Sciences

    Principal Investigator (PI)

    2020

    $3.0M
    Active
  • Funding agency logo
    BII-Implementation: The EMERGE Institute: Identifying Emergent Ecosytem Responses Through Genes-to-Ecosystems Integration

    Principal Investigator (PI)

    2020

    $1.5M
    Active
  • Funding agency logo
    Collaborative Research: The Other Side of Tropical Forest Drought: Do Shallow Water Table Regions of Amazonia Act as Large-scale Hydrological Refugia From Drought?

    Principal Investigator (PI)

    2020

    $288.6K
    Active
  • Funding agency logo
    The Other Side of Drought: Why Do Some Amazon Forests "Green-Up" During Droughts While Others Do Not? Integrating Multisatellite Remote Sensing with Field Observations to Reveal the Mechanistic

    Principal Investigator (PI)

    2019

    $135.0K
    Active
  • Funding agency logo
    Collaborative Research: Are Amazon Forest Trees Source or Sink Limited? Mapping Hydraulic Traits to Carbon Allocation Strategies to Decipher Forest Function During Drought

    Principal Investigator (PI)

    2018

    $1.2M
    Active
  • Funding agency logo
    Testing Satellite-Based Scaling of Tropical Forest Photosynthesis with a New Network of Cameras and Fluorescence Spectrometers in Amazonia

    Principal Investigator (PI)

    2017

    $1.1M
News
  • Life on LEO: Plants to be Added to the Landscape Evolution Observatory at Biosphere 2

    2021

  • Rainforest at Biosphere 2 Offers Glimpse into Future of the Amazon

    2020

  • $3M Grant Helps Students Bridge Sciences to Solve the World's Biggest Problems

    2020

  • Seeing the Forest Through the Lidar Lens

    2019

  • Scientist Examines the 'Lungs of the Planet' in Amazon Region

    2017

  • Seasonal Changes in Amazon Photosynthesis Explained

    2016

  • New Information From Watching a Forest Breathe

    2016

  • 'Microbial Pac-Man' May Soon Hit 'Game Over'

    2016

  • Little Big Discovery: Microbe Seen as Key to Climate Change

    2014

  • Interactions of Earth’s Smallest Players Have Global Impact

    2014

  • Discovery of Microbe Hiding in Permafrost Raises Concerns About Future

    2014

  • The Failing Freezer: How Soil Microbes Affect Global Climate

    2013

  • Music Under the Dome

    2009

  • Machado and UA's Fan Infuse Biosphere 2 Science With Music

    2009

  • Biosphere 2 Will Hold Two-Part 'Survival of the Sphere' Event on UA Campus

    2009

  • Biosphere 2 Opens Rain Forest Experiment to the Public

    2008

  • Four UA Profs Part of U.S. Supreme Court Case on Climate Change

    2007

  • The University of Arizona Launches Major Scientific Research Initiative at Biosphere 2

    2007

  • UA Scientists Receive $2.5 Million to Study Amazon Forests and Climate Change

    2007

Publications (167)
Recent
  • Author Correction: The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data (Scientific Data, (2020), 7, 1, (225), 10.1038/s41597-020-0534-3)

    2021

  • How deregulation, drought and increasing fire impact Amazonian biodiversity

    2021

  • Calculating canopy stomatal conductance from eddy covariance measurements, in light of the energy budget closure problem

    2021

  • Importance of hydraulic strategy trade-offs in structuring response of canopy trees to extreme drought in central Amazon

    2021

  • A genomic catalog of Earth’s microbiomes

    2021

  • Ecology and molecular targets of hypermutation in the global microbiome

    2021

  • Functional capacities of microbial communities to carry out large scale geochemical processes are maintained during ex situ anaerobic incubation

    2021

  • Understanding water and energy fluxes in the Amazonia: Lessons from an observation-model intercomparison

    2021

  • A new field instrument for leaf volatiles reveals an unexpected vertical profile of isoprenoid emission capacities in a tropical forest

    2021

  • Author Correction: A genomic catalog of Earth’s microbiomes (Nature Biotechnology, (2021), 39, 4, (499-509), 10.1038/s41587-020-0718-6)

    2021

  • Quantifying the inhibitory impact of soluble phenolics on carbon mineralization from Sphagnum-rich peatlands

    2021

  • Controls on Soil Organic Matter Degradation and Subsequent Greenhouse Gas Emissions Across a Permafrost Thaw Gradient in Northern Sweden

    2020

  • Diverse arctic lake sediment microbiota shape methane emission temperature sensitivity

    2020

  • Hysteretic temperature sensitivity of wetland CH4 fluxes explained by substrate availability and microbial activity

    2020

  • Reframing tropical savannization: linking changes in canopy structure to energy balance alterations that impact climate

    2020

  • Rainforest-to-pasture conversion stimulates soil methanogenesis across the Brazilian Amazon

    2020

  • Ecology and molecular targets of hypermutation in the global microbiome.

    2020

  • The pantropical response of soil moisture to El Niño

    2020

  • Empirical evidence for resilience of tropical forest photosynthesis in a warmer world

    2020

  • Impacts of Degradation on Water, Energy, and Carbon Cycling of the Amazon Tropical Forests

    2020

  • Biotic and Environmental Drivers of Plant Microbiomes Across a Permafrost Thaw Gradient

    2020

  • The IsoGenie database: An interdisciplinary data management solution for ecosystems biology and environmental research

    2020

  • Belowground changes to community structure alter methane-cycling dynamics in Amazonia

    2020

  • The FLUXNET2015 dataset and the ONEFlux processing pipeline for eddy covariance data

    2020

  • Microbial community analyses inform geochemical reaction network models for predicting pathways of greenhouse gas production

    2019

  • Hydrological niche segregation defines forest structure and drought tolerance strategies in a seasonal Amazon forest

    2019

  • Persistent effects of fragmentation on tropical rainforest canopy structure after 20 yr of isolation

    2019

  • The biophysics, ecology, and biogeochemistry of functionally diverse, vertically and horizontally heterogeneous ecosystems: The Ecosystem Demography model, version 2.2-Part 2: Model evaluation for tropical South America

    2019

  • Leaf reflectance spectroscopy captures variation in carboxylation capacity across species, canopy environment and leaf age in lowland moist tropical forests

    2019

  • Large carbon cycle sensitivities to climate across a permafrost thaw gradient in subarctic Sweden

    2019

  • Hydraulic traits explain differential responses of Amazonian forests to the 2015 El Niño-induced drought

    2019

  • Surface conductance for evapotranspiration of tropical forests: Calculations, variations, and controls

    2019

  • Microbial evolution reshapes soil carbon feedbacks to climate change

    2019

  • Cryptic phenology in plants: Case studies, implications, and recommendations

    2019

  • Isoprene emission structures tropical tree biogeography and community assembly responses to climate

    2018

  • Age-dependent leaf physiology and consequences for crown-scale carbon uptake during the dry season in an Amazon evergreen forest

    2018

  • Leaf phenology as one important driver of seasonal changes in isoprene emissions in central Amazonia

    2018

  • Host-linked soil viral ecology along a permafrost thaw gradient

    2018

  • Reviews and syntheses: Carbonyl sulfide as a multi-scale tracer for carbon and water cycles

    2018

  • Implications of diurnal changes in leaf PRI on remote measurements of light use efficiency

    2018

  • Continental-scale consequences of tree die-offs in North America: Identifying where forest loss matters most

    2018

  • Methanotrophy across a natural permafrost thaw environment

    2018

  • Causes of reduced leaf-level photosynthesis during strong El Niño drought in a Central Amazon forest

    2018

  • The Threat of Multi-Year Drought in Western Amazonia

    2018

  • Carbon exchange in an Amazon forest: From hours to years

    2018

  • Biological processes dominate seasonality of remotely sensed canopy greenness in an Amazon evergreen forest

    2018

  • A novel correction for biases in forest eddy covariance carbon balance

    2018

  • Soil viruses are underexplored players in ecosystem carbon processing

    2018

  • Genome-centric view of carbon processing in thawing permafrost

    2018

  • Hydraulic redistribution affects modeled carbon cycling via soil microbial activity and suppressed fire

    2018

  • Ecosystem heterogeneity and diversity mitigate Amazon forest resilience to frequent extreme droughts

    2018

  • Variations of leaf longevity in tropical moist forests predicted by a trait-driven carbon optimality model

    2017

  • Hydrogenation of organic matter as a terminal electron sink sustains high CO<inf>2</inf>:CH<inf>4</inf> production ratios during anaerobic decomposition

    2017

  • The long-solved problem of the best-fit straight line: Application to isotopic mixing lines

    2017

  • Leaf aging of Amazonian canopy trees as revealed by spectral and physiochemical measurements

    2017

  • Spectral analysis of amazon canopy phenology during the dry season using a tower hyperspectral camera and modis observations

    2017

  • Adding stable carbon isotopes improves model representation of the role of microbial communities in peatland methane cycling

    2017

  • Dynamics of canopy stomatal conductance, transpiration, and evaporation in a temperate deciduous forest, validated by carbonyl sulfide uptake

    2017

  • Does vapor pressure deficit drive the seasonality of δ<sup>13</sup>C of the net land-atmosphere CO<inf>2</inf> exchange across the United States?

    2017

  • Differences in xylem and leaf hydraulic traits explain differences in drought tolerance among mature Amazon rainforest trees

    2017

  • Optimum air temperature for tropical forest photosynthesis: Mechanisms involved and implications for climate warming

    2017

  • Do dynamic global vegetation models capture the seasonality of carbon fluxes in the Amazon basin? A data-model intercomparison

    2017

  • Microbial network, phylogenetic diversity and community membership in the active layer across a permafrost thaw gradient

    2017

  • CO<inf>2</inf> diffusion into pore spaces limits weathering rate of an experimental basalt landscape

    2017

  • Convergence in relationships between leaf traits, spectra and age across diverse canopy environments and two contrasting tropical forests

    2017

  • Partitioning controls on Amazon forest photosynthesis between environmental and biotic factors at hourly to interannual timescales

    2017

  • The phenology of leaf quality and its within-canopy variation is essential for accurate modeling of photosynthesis in tropical evergreen forests

    2017

  • Erratum: CO<inf>2</inf> diffusion into pore spaces limits weathering rate of an experimental basalt landscape [Geology, 45, (2016), (203-206)] doi: 10.1130/G38569.1

    2017

  • Prototype campaign assessment of disturbance-induced tree loss effects on surface properties for atmospheric modeling

    2017

  • Vegetation chlorophyll estimates in the Amazon from multi-angle MODIS observations and canopy reflectance model

    2017

  • Elemental composition and optical properties reveal changes in dissolved organic matter along a permafrost thaw chronosequence in a subarctic peatland

    2016

  • Leaf development and demography explain photosynthetic seasonality in Amazon evergreen forests

    2016

  • Permafrost Meta-Omics and Climate Change

    2016

  • Seasonality of temperate forest photosynthesis and daytime respiration

    2016

  • Synergistic ecoclimate teleconnections from forest loss in different regions structure global ecological responses

    2016

  • Toward accounting for ecoclimate teleconnections: intra- and inter-continental consequences of altered energy balance after vegetation change

    2016

  • Leaf flush drives dry season green-up of the Central Amazon

    2016

  • Canopy-scale biophysical controls of transpiration and evaporation in the Amazon Basin

    2016

  • Dry-season greening of Amazon forests

    2016

  • Climate and leaf phenology controls on tropical forest photosynthesis

    2016

  • Forest structure along a 600 km transect of natural disturbances and seasonality gradients in central-southern Amazonia

    2016

  • Structural dynamics of tropical moist forest gaps

    2015

  • The Landscape Evolution Observatory: A large-scale controllable infrastructure to study coupled Earth-surface processes

    2015

  • Photosynthetic seasonality of global tropical forests constrained by hydroclimate

    2015

  • Characterization of active and total fungal communities in the atmosphere over the Amazon rainforest

    2015

  • Linking canopy leaf area and light environments with tree size distributions to explain Amazon forest demography

    2015

  • Modelling climate change responses in tropical forests: Similar productivity estimates across five models, but different mechanisms and responses

    2015

  • Sunlight mediated seasonality in canopy structure and photosynthetic activity of Amazonian rainforests

    2015

  • An improved isotopic method for partitioning net ecosystem-atmosphere CO<inf>2</inf> exchange

    2015

  • Soil incubations reproduce field methane dynamics in a subarctic wetland

    2015

  • Discovery of a novel methanogen prevalent in thawing permafrost

    2014

  • Journal article: Changes in peat chemistry associated with permafrost thaw increase greenhouse gas production

    2014

  • Mechanisms of water supply and vegetation demand govern the seasonality and magnitude of evapotranspiration in Amazonia and Cerrado

    2014

  • Journal article: Discovery of a novel methanogen prevalent in thawing permafrost

    2014

  • Hillslope-scale experiment demonstrates the role of convergence during two-step saturation

    2014

  • Methane dynamics regulated by microbial community response to permafrost thaw

    2014

  • Incipient subsurface heterogeneity and its effect on overland flow generation - Insight from a modeling study of the first experiment at the Biosphere 2 Landscape Evolution Observatory

    2014

  • Changes in peat chemistry associated with permafrost thaw increase greenhouse gas production

    2014

  • Journal article: Methane dynamics regulated by microbial community response to permafrost thaw

    2014

  • Long-term eddy covariance measurements of the isotopic composition of the ecosystem-atmosphere exchange of CO sub 2 /sub in a temperate forest

    2013

  • Tree Species Effects on Soil Properties and Greenhouse Gas Fluxes in East-central Amazonia: Comparison between Monoculture and Diverse Forest

    2013

  • Overview of the large-scale biosphere-atmosphere experiment in amazonia data model intercomparison project (LBA-DMIP)

    2013

  • What drives the seasonality of photosynthesis across the Amazon basin? A cross-site analysis of eddy flux tower measurements from the Brasil flux network

    2013

  • Inter-annual variability of carbon and water fluxes in Amazonian forest, Cerrado and pasture sites, as simulated by terrestrial biosphere models

    2013

  • Measurements of CH4 fluxes and isotopes reveal changing mechanisms of production and consumption across a thaw gradient in an arctic wetland

    2013

  • Long-term eddy covariance measurements of the isotopic composition of the ecosystem-atmosphere exchange of CO<inf>2</inf> in a temperate forest

    2013

  • Deforestation and climate feedbacks threaten the ecological integrity of south-southeastern Amazonia.

    2013

  • Surface ecophysiological behavior across vegetation and moisture gradients in tropical South America

    2013

  • Tropical tree species effects on soil properties and greenhouse gas fluxes in monoculture and diverse forests

    2013

  • Confronting model predictions of carbon fluxes with measurements of Amazon forests subjected to experimental drought

    2013

  • Resolving systematic errors in estimates of net ecosystem exchange of CO2 and ecosystem respiration in a tropical forest biome

    2013

  • Root niche separation can explain avoidance of seasonal drought stress and vulnerability of overstory trees to extended drought in a mature Amazonian forest

    2012

  • Differences in Amazon forest growth and carbon dynamics predicted by profiles of canopy leaf area and light environment

    2012

  • Within-plant isoprene oxidation confirmed by direct emissions of oxidation products methyl vinyl ketone and methacrolein

    2012

  • Amazon forest carbon dynamics predicted by profiles of canopy leaf area and light environment

    2012

  • Ecosystem-scale compensation points of formic and acetic acid in the central Amazon

    2011

  • Natural and drought scenarios in an east central Amazon forest: Fidelity of the Community Land Model 3.5 with three biogeochemical models

    2011

  • Reduced impact logging minimally alters tropical rainforest carbon and energy exchange

    2011

  • Height Above the Nearest Drainage - a hydrologically relevant new terrain model

    2011

  • Within-canopy sesquiterpene ozonolysis in Amazonia

    2011

  • SAGEEP3 multi-scale monitoring of ecohydrological processes using electrical resistivity tomography

    2011

  • Variations in Amazon forest productivity correlated with foliar nutrients and modelled rates of photosynthetic carbon supply

    2011

  • Do plant species influence soil CO<inf>2</inf> and N<inf>2</inf>O fluxes in a diverse tropical forest?

    2010

  • Land surface modeling inside the Biosphere 2 tropical rain forest biome

    2010

  • Sources and properties of Amazonian aerosol particles

    2010

  • Remote sensing of tropical forest phenology: Issues and controversies

    2010

  • Climate-induced tree mortality: Earth system consequences

    2010

  • Gas phase measurements of pyruvic acid and its volatile metabolites

    2010

  • Do plant species influence soil CO2 and N2O fluxes in a diverse tropical forest?

    2010

  • Patterns of water and heat flux across a biome gradient from tropical forest to savanna in brazil

    2009

  • Dynamics of carbon, biomass, and structure in two Amazonian forests

    2009

  • The land-atmosphere water flux in the tropics

    2009

  • The hills are alive: Earth science in a controlled environment

    2009

  • Ecosystem carbon fluxes and Amazonian forest metabolism

    2009

  • Modeling the carbon balance of Amazonian rain forests: Resolving ecological controls on net ecosystem productivity

    2009

  • Resolving systematic errors in estimates of net ecosystem exchange of CO<inf>2</inf> and ecosystem respiration in a tropical forest biome

    2008

  • Multiple site tower flux and remote sensing comparisons of tropical forest dynamics in Monsoon Asia

    2008

  • Resolving systematic errors in estimates of net ecosystem exchange of CO sub 2 /sub and ecosystem respiration in a tropical forest biome

    2008

  • Amazon forests green-up during 2005 drought

    2007

  • Seasonal controls on the exchange of carbon and water in an Amazonian rain forest

    2007

  • Evaluation of MODIS NPP and GPP products across multiple biomes

    2006

  • What are the instrumentation requirements for measuring the isotopic composition of net ecosystem exchange of CO<inf>2</inf> using eddy covariance methods?

    2006

  • Shifts in plant dominance control carbon-cycle responses to experimental warming and widespread drought

    2006

  • What are the instrumentation requirements for measuring the isotopic composition of net ecosystem exchange of CO sub 2 /sub using eddy covariance methods?

    2006

  • Woody debris contribution to the carbon budget of selectively logged and maturing mid-latitude forests

    2006

  • Amazon rainforests green-up with sunlight in dry season

    2006

  • Satellite-based modeling of gross primary production in a seasonally moist tropical evergreen forest

    2005

  • Subglobal regulation of the global commons: The case of climate change

    2005

  • Objective threshold determination for nighttime eddy flux filtering

    2005

  • A high precision pulsed quantum cascade laser spectrometer for measurements of stable isotopes of carbon dioxide

    2005

  • Long-term eddy covariance measurements of the isotopic composition of the ecosystem-atmosphere exchange of CO2 in a temperate forest

    2005

  • Climatic variability and vegetation vulnerability in Amazǒnia

    2005

  • Integrating experimental and gradient methods in ecological climate change research

    2004

  • Radon fluxes in tropical forest ecosystems of Brazilian Amazonia: Night-time CO<inf>2</inf> net ecosystem exchange derived from radon and eddy covariance methods

    2004

  • Carbon balance and vegetation dynamics in an old-growth Amazonian forest

    2004

  • Radon fluxes in tropical forest ecosystems of Brazilian Amazonia: Night-time CO sub 2 /sub net ecosystem exchange derived from radon and eddy covariance methods

    2004

  • Carbon in Amazon Forests: Unexpected Seasonal Fluxes and Disturbance-Induced Losses

    2003

  • An international network to monitor the structure, composition and dynamics of Amazonian forests (RAINFOR)

    2002

  • Plant community composition mediates both large transient decline and predicted long-term recovery of soil carbon under climate warming

    2002

  • Factors controlling long- and short-term sequestration of atmospheric CO sub 2 /sub in a mid-latitude forest

    2001

  • Factors controlling long- and short-term sequestration of atmospheric CO<inf>2</inf> in a mid-latitude forest

    2001

  • The effect of experimental ecosystem warming on CO<inf>2</inf> fluxes in a montane meadow

    1999

  • The effect of experimental ecosystem warming on CO sub 2 /sub fluxes in a montane meadow

    1999

  • Terrestrial ecosystem feedbacks to global climate change

    1997

Grants
Citations
H-Index
Patents
News
Books
Opportunities