Jeffrey Warren Senior Staff Scientist Contact WARRENJM@ORNL.GOV All Publications Forest stand and canopy development unaltered by 12 years of CO2 enrichment* An Integrative Model for Soil Biogeochemistry and Methane Processes: I. Model Structure and Sensitivity Analysis... Nitrogen and phosphorus cycling in an ombrotrophic peatland: A benchmark for assessing change Global transpiration data from sap flow measurements: the SAPFLUXNET database Dynamics of hydrogen loss and structural changes in pyrolyzing biomass utilizing neutron imaging Convolutional neural network based non-iterative reconstruction for accelerating neutron tomography * Convolutional Neural Network Based Non-Iterative Reconstruction for Accelerating NeutronTomography Warming induces divergent stomatal dynamics in co-occurring boreal trees Divergent species‐specific impacts of whole ecosystem warming and elevated CO2 on vegetation water relations in an ombrotrophic peatland Springtime Drought Shifts Carbon Partitioning of Recent Photosynthates in 10-Year Old Picea mariana Trees, Causing Restricted Canopy Development Extending a land-surface model with Sphagnum moss to simulate responses of a northern temperate bog to whole ecosystem warming and elevated CO2 A reporting format for leaf-level gas exchange data and metadata Calibration, measurement, and characterization of soil moisture dynamics in a central Amazonian tropical forest Rapid Net Carbon Loss From a Whole‐Ecosystem Warmed Peatland First Experiments New Science Opportunities at the Spallation Neutron Source Second Target Station (abridged) First Experiments: New Science Opportunities at the Spallation Neutron Source Second Target Station... Modelling tree stem‐water dynamics over an Amazonian rainforest Precipitation mediates sap flux sensitivity to evaporative demand in the neotropics Rapid loss of an ecosystem engineer: Sphagnum decline in an experimentally warmed bog... Photosynthetic and Respiratory Responses of Two Bog Shrub Species to Whole Ecosystem Warming and Elevated CO2 at the Boreal-Temperate Ecotone Species-specific Shifts In Diurnal Sap Velocity Dynamics and Hysteretic Behavior of Ecophysiological Variables During the 2015–2016 El Niño Event In the Amazon Forest Species-Specific Shifts in Diurnal Sap Velocity Dynamics and Hysteretic Behavior of Ecophysiological Variables During the 2015–2016 El Niño Event in the Amazon Forest Species-specific Shifts In Diurnal Sap Velocity Dynamics and Hysteretic Behavior of Ecophysiological Variables During the 2015–2016 El Niño Event In the Amazon Forest Species-Specific Shifts in Diurnal Sap Velocity Dynamics and Hysteretic Behavior of Ecophysiological Variables During the 2015–2016 El Niño Event in the Amazon Forest Species-Specific Shifts in Diurnal Sap Velocity Dynamics and Hysteretic Behavior of Ecophysiological Variables During the 201... Pagination First page « First Previous page ‹‹ Page 1 Current page 2 Page 3 … Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Organizations Biological and Environmental Systems Science Directorate Environmental Sciences Division Earth Systems Science Section Ecosystem Processes Group User Facilities High Flux Isotope Reactor Spallation Neutron Source