Niwot Ridge LTER - Research Topics

Niwot Ridge LTER Science An overarching theme of current research is the impact of climate change on Colorado tundra ecosystems, with a particular focus on the effects of altered snowpack and rainfall regimes. New facilities (e.g., the tundra laboratory), new research initiatives (e.g., the 100-year snow fence, the subnivean laboratory), and centralization of data management activities will assist us in meeting our research objectives. Routine Measurements Routine monitoring/measurements include (but are not limited to): Meteorological/Climatological air temperature precipitation relative humidity wind speed and direction solar radiation Hydrological stream discharge snowpack ablation snow water equivalent soil moisture Biogeochemical atmospheric deposition [~125K photo and caption] snowpack chemistry surface water quality Other Research The bulk of the past and current research conducted on Niwot Ridge is of a less routine (but of a no less significant) nature and includes: Meteorological/Climatological lake-ice clearance and freeze-up soil temperatures [~76K photo and caption] Biogeochemical atmospheric N loading soil physical and chemical properties wood, litter, and root decomposition soil and microbial N transformations microbial respiration methane and nitrous oxide fluxes [~69K photo and caption] plant biomass N & storage Biological aboveground phytomass [~78K photo and caption] plant phenology plant species composition small mammal herbivore surveys soil microarthropod densities fossil insect assemblages


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