Colleen Iversen Distinguished Staff Scientist and Group Leader (Plant-Soil Interactions Group) Contact IVERSENCM@ORNL.GOV All Publications Modeling the spatio-temporal variability in subsurface thermal regimes across a low-relief polygonal tundra landscape The Alaska Arctic Vegetation Archive (AVA-AK)... Moving forward with fine-root definitions and research Potential carbon emissions dominated by carbon dioxide from thawed permafrost soils Expanding the use of plant trait observations and ecological theory in Earth system models: DOE Workshop Report. ... Evaluating the Community Land Model in a pine stand with 13CO2 labeling and shading manipulations Evaluating the Community Land Model in a pine stand with shading manipulations and (CO2)-C-13 labeling... Potential carbon emissions dominated by carbon dioxide from thawed permafrost soils Forest soil carbon oxidation state and oxidative ratio responses to elevated CO2 Redefining fine roots improves understanding of belowground contributions to terrestrial biosphere processes A pan-Arctic synthesis of CH4 and CO2 production from anoxic soil incubations ... Isotopic identification of soil and permafrost nitrate sources in an Arctic tundra ecosystem Using Ecosystem Experiments to Improve Vegetation Models Scientific Functional Testing Platform for Environmental Models: An Application to Community Land Mode... Genomics in a changing Arctic: Critical questions await the molecular ecologist The unseen iceberg: Plant roots in arctic tundra... Root Structural and Functional Dynamics in Terrestrial Biosphere Models – Evaluation and Recommendations... Where does the carbon go? A model-data intercomparison of vegetation carbon allocation and turnover processes at two temperat... Terrestrial plant productivity and carbon allocation in a changing climate... Plant Functional Types and Earth System Models... Evaluation of eleven terrestrial carbon-nitrogen cycle models against observations from two temperate Free-Air CO2 Enrichment Studies Comprehensive ecosystem model-experiment synthesis using multiple datasets at two temperate forest free-air CO2 enrichment experiments: model performance and compensating biases Organic Matter Transformation in the Peat Column at Marcell Experimental Forest: Humification and Vertical Stratification Stored carbon partly fuels fine-root respiration but is not used for production of new fine roots... Timing and magnitude of C partitioning through a young loblolly pine (Pinus taeda L.) stand using 13C labeling and shade treatments Pagination First page « First Previous page ‹â¶Ä¹ … Page 3 Current page 4 Page 5 Next page ›â¶Äº Last page Last » Key Links Organizations Biological and Environmental Systems Science Directorate Environmental Sciences Division Earth Systems Science Section Plant - Soil Interactions Group Climate Change Science Institute