Measuring Carbon, Water and Energy Fluxes on Two Loblolly Pine Plantations in Eastern NC

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Measuring Carbon, Water and Energy Fluxes on Two
Loblolly Pine Plantations in Eastern NC
PIs Steve McNulty1, Ge Sun1, Asko Noormets1,
JC Domec1 Support Michael Gavazzi1, Emrys
Treasure1 1 USDA Forest Service, Southern Global
Change Program 2 North Carolina State University
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Weyerhaeusers Parker Tract
16-year old loblolly pine stand
4-year old loblolly pine stand
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Above Canopy Measurements CO2 H2O Wind speed Wind
direction Relative humidity PAR Rn
Core Data Loggers
CR1000/CR23 Soil T Soil moisture VWC Air T
RH Soil heat flux
Canopy Measurements CO2 Relative
humidity Air temperature
CR5000 Wind speed direction Atmospheric CO2 Air
T RH PAR Radiation Rainfall
Sub-Canopy Measurements PAR temperature Precipitat
ion
CR10 CO2 throughout the canopy
Soil Measurements Moisture Heat
flux Temperature Respiration
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Core Equipment
3-D Sonic Anemometer LI-7500 IRGA
Q7 CNR1net radiometers
HMP-45 temperature and relative humidity probe
LI-190 Quantum PAR sensor
LI-820 CO2 gas analyzer, and CR10 data logger
LI-8100 soil respiration system
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Supporting Equipment
Sapflow sensors, multiplexer and CR10 datalogger
Sentek EnviroSCAN
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Supporting Equipment
Manual rain gauge Onset tipping bucket
Infinities USA, ultrasonic and pressure water
level data loggers

• Equipment not pictured
• CS616 water content reflectometers
• HFT3 soil heat flux plates
• Onset soil temperature probes and HOBO data
  loggers
• LAI 2000 plant canopy analyzer