Measurement and modeling of carbon and nitrogen dynamics in a Mid-latitude deciduous forest: Research funded by DoE and NSF.

Instrumentation used in our research
 

Instrumentation

Sampling

Inlet heights (m)

Notes

HNO3

NaCl coated denuders & REA

6-18 hour integrated

27.4, 37.0, 44.0

3-14 samples, 2-4 blanks per height

NH3

Oxalic acid coated denuders

6-18 hour integrated

27.4, 37.0, 44.0

3-14 samples, 2-4 blanks per height

NH3

Wet Effluent Diffusion Denuders (WEDD)

Continuous

(2 min. av.)

16.8/27.8,37.2, 45.7

  

Particle size/composition

MOUDIs (analysis by IC)

8-24 hour av.

26.8, 40.0

11 stages. Dp 0.056-> 18 m m

Particle size distribution

TSI APS 3320

10 second av.

39.6/26.6

Dp <0.524 – 19.81 m m

Wet dep., throughfall, stemflow

AEROCHEM wet-dry & 18 distributed TF samplers & 3 SF

Event basis

26.8, below canopy

  

Wetness sensors

University of Bayreuth

2 min av.

16.0

12 sensors, sunlit and shaded leaves

 

Photo Album
  • Location of the sites
  • The Tower & Instrumentation
  • The Crew
  • Overview of the NH3 measurements

    • Research funding

    1999-03 Acquisition and development of instrumentation to quantify atmospheric deposition pathways. Major Research Instrumentation, National Science Foundation. Pryor S. and Barthelmie R. $260,000.

    1999-03 Measurement and modeling of carbon and nitrogen dynamics in a mid-latitude deciduous forest. National Institute for Global Environmental Change, Midwestern Regional Center. Pryor S., Barthelmie R. and Carreiro M. $136,000 (1 of 3 yr), $128,000 (2 of 3 yr), $166,000 (3 of 3 yr).

    1996-99 Measurements of fluxes and concentrations of CO2 in and over a deciduous forest in the Midwest. National Institute for Global Environmental Change, Midwestern Regional Center. Grimmond C., Schmid H., Barthelmie R., Pryor S. $340,000 (1 of 3 yr), $315,000 (2 of 3 yr), $280,000 (3 of 3 yr).