NKM: Nishikoma Site
General site detail (Updated 3 December 2020)
Site name
| Nishikoma Site
|
AsiaFlux site code
| NKM |
| Location | Ina, Nagano, Japan
|
| Position | 35° 48' 28.95" N, 137° 50' 1.99" E
|
| Elevation | 2644 m above sea level
|
| Slope | 30 degree
|
Terrain Type
| Complex |
| Area | - |
| Fetch | 100 m for the dominant wind direction
|
| Climate | Dfb: Humid continental
|
Mean annual air temperature
| 0.6 degreeC
|
Mean annual precipitation
| - |
Vegetation Type
| Alpine dwarf pine
|
Domestic species (Overstory)
| Alpine dwarf pine
|
Dominant species (Understory)
| N/A |
Canopy height
| About 0.3 m
|
| Age | N/A |
| LAI | N/A |
Soil type
| N/A |
Observations
Eddy Covariance method (CO2)
| System | Open-path system (sensible heat, latent heat, CO2 flux)
|
Wind speed
| Three-dimensional sonic anemothermometer
(CSAT3, Campbell)
|
Air temperature
| Three-dimensional sonic anemothermometer
(CSAT3, Campbell)
|
Water vapor
| Open-path CO2/H2O analyzer (EC150, Campbell)
|
| CO2 | Open-path CO2/H2O analyzer (EC150, Campbell)
|
Measurement height
| Approx. 2.3 m
|
Sampling frequency
| 10 Hz
|
Averaging time
| 30 min.
|
Data logger
| CR1000 (Campbell)
|
Data storage
| CF card
|
Original data
| Statistics |
Meteorology
Observation items
| Levels / Depth
| Instrument |
Global solar radiation (incoming)
| 2 m
| CNR4 (Kipp & Zonen)
|
Global solar radiation (outgoing)
| 2 m
| CNR4 (Kipp & Zonen) |
Long-wave radiation (incoming)
| 2 m
| CNR4 (Kipp & Zonen) |
Long-wave radiation (outgoing)
| 2 m
| CNR4 (Kipp & Zonen) |
Net radiation
| - | |
PPFD (incoming)
| - | |
PPFD (outgoing)
| - | |
Direct/diffuse radiation
| - | |
Direct/diffuse PPFD
| - | |
Air temperature
| 2.5 m
| HMP60 (Vaisala)
|
| Humidity | 2.5 m
| HMP60 (Vaisala) |
Soil temperature
| 0.05, 0.1 m
| 107 (Campbell)
|
Soil heat flux
| 0.01 m
| HFT-1.1 (REBS)
|
Soil water content
| 0.05 m
| CS616 (Campbell)
|
Wind speed
| 2.5 m
| PGWS-100 (Gill)
|
Wind direction
| 2.5 m
| PGWS-100 (Gill)
|
Barometric pressure
| 1 m
| CS106 (Campbell)
|
| Precipitation | - |
|
CO2 concentration
| - | |
