[GDK]
Gwangneung Deciduous forest
 
Eddy Correlation Method
System Open- (CO2 flux, latent heat flux)
Wind speed 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA)
Air temperature 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA)
Water Vapor Open path(LI7500, Li-Cor, USA),
CO2 Open path(LI7500, Li-Cor, USA),
Measurement height 40.7m
Sampling frequency 10Hz
Averaging time 30min
Data logger CR3000, Campbell Sci., Inc., USA
Data storage HD
Original data
(Raw data or statistics)
Statistics (Raw data is also available)
 
Eddy Correlation Method
Global solar radiation
(incoming)
40.7m Net radiometer(CNR1, Kipp & Zonen, Netherlands)
Global solar radiation
(outgoing)
40.7m Net radiometer(CNR1, Kipp & Zonen, Netherlands)
Long-wave radiation
(incoming)
40.7m Net radiometer(CNR1, Kipp & Zonen, Netherlands)
Long-wave radiation
(outgoing)
40.7m Net radiometer(CNR1, Kipp & Zonen, Netherlands)
Net radiation 40.7m Net radiometer(CNR1, Kipp & Zonen, Netherlands)
PPFD
(incoming)
20m LI190SB
PPFD
(outgoing)
N/A N/A
Direct/diffuse radiation N/A N/A
Direct/diffuse PPFD N/A N/A
Air temperature 39,30,18,9,6,0,1m Temperature and RH probe(HMP45, Vaisala, Finland)
  40, 30,18,12,8,4,1,0.1m LI6262 & Thermocouple temperature sensor
Humidity 39,30,18,9,6,0,1m Temperature and RH probe(HMP45, Vaisala, Finland)
Soil temperature 0.1m Soil thermocouple probe(TCAV, Campbell Sci., Inc., USA)
Soil heat flux 0.01m, 0.1m Heat Flux plate (HFP-3, Campbell Sci., Inc., USA)
Soil water content 0m-0.1m, 0-0.3m, 0.3-0.6m Water content reflectometer(CS-615, Campbell Sci. Inc., USA)
Wind speed 40m, 20m for CSAT3 / 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA)
  30,18,9,6m for cup anemometer cup anemometer(034A, RMYoung, USA)
Wind direction 40m / 20m 3D sonic anemometer(CSAT3, Campbell Sci., Inc., USA)
Barometric pressure 40m / 20m Open path(LI-7500, Li-Cor, USA)
Precipitation 20m/surface Tipping Bucket(WDSA-205, Wedaen, Korea)
CO2 concentration 40, 30, 18, 12, 8, 4, 1, 0.1m LI6262 & Thermocouple temperature sensor
H2O concentration 40, 30, 18, 12, 8, 4, 1, 0.1m LI6262 & Thermocouple temperature sensor
 
Eddy Correlation Method
Soil respiration Continuous(to present), Automated chamber system (Li820), Portable chamber (Li6400)
Photosynthesis Sap flow measurement, portable chamber (Li6400)
Ecological Investigation LAI (2001 to present), tree ring growth rate, litter fall