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  1. Modeling

    … equations currently include explicit carbon and nitrogen biogeochemistry, and new plant functional types representing … hydrology, replacing the current volumetric water content–based scheme in CLM4. Subsurface processes in CLM4 … be related empirically to changes in temperature, moisture content, and associated phase changes by depth in the soil …

  2. Bigeochemistry

    … and LBNL will assist with each of these tasks. Biogeochemistry Goal: Develop a quantitative model of … pH, texture, microbial community profiling, and soil water content will be measured in soil and permafrost horizons to … arrays will monitor changes in temperature, water content, and chemistry along the vertical profile. Periodic …

  3. Integration and Model Evaluation

    … to either energy-albedo (e.g., Sturm et al. 2001b) or biogeochemistry (e.g., Schuur et al. 2008), few have … footprints. Predictions of landscape-scale LAI and canopy N content will be evaluated against ground and airborne … tasks). Emergent relationships between LAI and canopy N content might also provide an independent evaluation of …

  4. Microtopography determines how active layer depths respond to changes in temperature and precipitation at the NGEE-Arctic BEO sites

    … We applied a well-tested three-dimensional coupled biogeochemistry, hydrology, vegetation, and thermal model … (Grant et al. 2017). Ecosys is a three-dimensional coupled biogeochemistry, hydrology, vegetation, and thermal model … energy and water fluxes and (b) soil thermal and ice content (shown for a Low-Centered Polygon center). …

  5. Alexander Kholodov

    … Philben, M. J., et al . “Influences Of Hillslope Biogeochemistry On Anaerobic Soil Organic Matter … Muskett, R. R., et al . “Active-Layer Soil Moisture Content Regional Variations In Alaska And Russia By …

  6. Site Characterization

    … to characterize and monitor vegetation dynamics, soil biogeochemistry, energy and hydrothermal processes, and … quantification couplings between vegetation dynamics, soil biogeochemistry, hydrology, permafrost dynamics, and energy … Moisture conditions Estimated carbon content Relative estimated age …