Project Descriptions ...

• Ecosystem Modeling of ¹⁸O fluxes and stocks in H₂O and CO₂

• Scaling of fluxes and Planetary Boundary Layer (PBL) carbon budgets

• Modeling CO₂, energy and water and isotope fluxes for the ARM-CART

• Characterizing spatial heterogeneity in fluxes of CO₂, H₂O, and energy from plots near the ARM-SGP Central Facility

• Comparing fluxes at measured at different spatial scales using tower measurements, and flux footprint and ecosystem-atmosphere models.

• CLASIC

 

Our Research Projects

 

In ARM's Carbon Project, we aim to improve our ability to predict exchanges of carbon, water, and energy at the landscape scale. As we develop these models, we can better understand how the fluxes of carbon, water and energy link to land use and climate.

Developing such a predictive ability requires —

• integrating ecosystem processes over heterogeneous land surfaces
• coupling with hydrological and meteorological processes
• bridging measurements and modeling methodologies

To address these issues we are measuring stocks and fluxes of carbon, water, and energy at various spatial and temporal scales. The mixture of land uses and simple topography in the Southern Great Plains make this an ideal region to test methods of scaling flux predictions from plot to regional scales.

During intensive field campaigns we measure ecosystem H₂¹⁸O and C¹⁸OO stocks and fluxes. We use three portable eddy co-variance towers, a 60 m tower with eddy co-variance and precise CO₂ concentration measurements, and automated flask samplers to measure ¹³C fluxes.

 

 

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