FJY: Fujiyoshida forest meteorology research site

FJY site photos

General site details

Site nameFujiyoshida forest meteorology research site
AsiaFlux site codeFJY
LocationFujiyoshida, Yamanashi, Japan
Position 35.45454 N, 138.76225 E (World Geodetic System 1984, GPS: Garmin eTrex Legend and map)
Elevation1030 m above sea level (World Geodetic System 1984, GPS: Garmin eTrex Legend and map)
Slope3.5 degree
Terrain typeGentle slope
Area36 km2
Fetch 150 to 3000 m
Climate Cool temperate
Mean annual air temperature10.1 degreeC (1961-1990 at Kawaguchiko weather station)
Mean annual precipitation1483 mm (1961-1990 at Kawaguchiko weather station)
Vegetation type Natural evergreen needle-leaf forest
Dominant Species (Overstory)Japanese red piine (Pinus densiflora)
Dominant Species (Understory)Japanese holly (Ilex edunculosa)
Canopy height20 m
Age Approx. 90 years
LAIMax. 5.0
Soil type Immature (composed of volcanic lava partially with litter and organic matter)

Observation

Eddy Covariance method (CO2)

System Open- (CO2 flux, latent heat flux) and closed-path system (CO2 flux)
Wind speedThree-dimensional sonic anemometer-thermometer (DA600-3T Probe TR-61C, KAIJO, Japan)
Air temperatureThree-dimensional sonic anemometer-thermometer (DA600- 3T Probe TR-61C, KAIJO, Japan), Platinum resistance thermometer (HMP45A, VAISALA, Finland)
Water vaporOpen-path (LI-7500, LI-COR, USA), bandpass (HMP45A, VAISALA, Finland)
CO2Open-path (LI-7500, LI-COR, USA), closed-path (LI-6262, LI-COR, USA)
Measurement height27 m
Sampling frequency5 Hz
Averaging time30 min
Data loggerDRM3a, TEAC, Japan
Data storageMO
Original dataRaw data

Meteorology

Observation items Levels/Depth Instrument
Global solar radiation(incoming) 32 m Pyranometer (CM6F, Kipp & Zonen, Netherland)
Global solar radiation (outgoing) 29 m Pyranometer (CM6F, Kipp & Zonen, Netherland)
Long-wave radiation(incoming) 32 m Infrared radiometer with fan (PIR, Eppley, USA)
Long-wave radiation(outgoing) 29 m Infrared radiometer (PIR, Eppley, USA)
Net radiation -
PPFD (incoming) 32 m Quantum sensor (LI-190, LI-COR, USA)
PPFD (outgoing) 29 m Quantum sensor (LI-190, LI-COR, USA)
Direct / diffuse radiation -
Direct / diffuse PPFD -
Air temperature 32, 27, 23, 21, 19, 14, 9, 3m Platinum resistance thermometer (HMP45D, VAISALA, Finland)
Humidity 32, 27, 23, 21, 19, 14, 9, 3m Capacitive hygrometer (HMP45D, VAISALA, Finland)
Soil temperature 0, 0.02, 0.05, 0.1, 0.25, 0.5m thermocouple
Soil heat flux 0.05 m MF81 (EKO, Japan)
Soil water content -
Wind speed 32, 27, 23m Sonic anemometer (WMT52, Vaisala, Finland)
Wind direction 32 m Vane (A-802, YOKOGAWA, Japan)
Barometric pressure 25, 2m Barometer (PTB210 at 25m and PTB-100 at 2m, VAISALA, Finland)
Precipitation 1 m Tipping bucket raingauge with heater (B071-00, YOKOGAWA, Japan)
CO2 concentration 23, 19, 13, 9, 3 m CO2/H2O analyzer ( LI-6262 LI-COR, USA)

Other

Soil respiration Occasionally
Photosynthesis Occasionally
Ecological investigation Tree heights, stand density, diameter, biomass (Ohtsuka et al., 2001, Veg. Sci.,vol.20, p.43-54)

Observation Period and Data Availability

Measurement PeriodAugust 1999 to present
Measurement Frequency Continuous
Data Availability FxMt 2000, SoRe 2003 - 2004 on AsiaFlux Database

Contact

[General, Flux and Meteorology] Yasuko Mizoguchi (pop128 [at] ffpri.affrc.go.jp) [General] Yuichiro Nakai (nakaiyui [at] ffpri.affrc.go.jp) [General and Flux]Yoshikazu Ohtani (ohtan03 [at] ffpri.affrc.go.jp) [Flux and Meteorology] Satoru Takanashi (tnsatoru [at] ffpri.affrc.go.jp) Department of meteorological Environment,Forestry and Forest Products Research Institute 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan Tel:+81-29-873-3211 Fax:+81-29-874-3720

[General] Takashi Nakano (nakano[at] yies.pref.yamanashi.jp) Yamanashi Institute of Environmental Sciences5597-1 Kami-Yoshida, Fuji-Yoshida, Yamanashi 403-0005, Japan. Tel: +81-555-72-6193 Fax: +81-555-72-6206

Other [Soil respiration and NPP Survy] Toshiyuki Ohtsuka (toshi [at] green.gifu-u.ac.jp) [Flux and Meteorology] Kenzo Kitamura(kitamu93[at] ffpri.affrc.go.jp [Flux] Hiroki Iwata (hiroki[at] iarc.uaf.edu) [Soil respiration] Taisuke Yasuda (yasuda[at] yies.pref.yamanashi.jp) [Photosynthesis and respiration] Yukihiro Chiba (chiro[at] ffpri.affrc.go.jp) [Photosynthesis] Han Qingmin (qhan[at] ffpri.affrc.go.jp) [Trunk respiration] Tatsuro Kawasaki (kawasaki[at] ffpri.affrc.go.jp)

Infrastructure

Tower, Electrical power (100V AC 50Hz), Telephone

Research Fund

Global Environment Research Fund B-3 (FY2000-2002) by Ministry of Environment, Japan Global Environment Research Fund S-1 (FY2003-2006) by Ministry of Environment, Japan Research grant #199903 (1999-2002) of the Forestry and Forest Products Research Institute Research grant #200303 (2003-2005) of the Forestry and Forest Products Research Institute Research Fund (Evaluation, Adaptation and Mitigation of Global Warming in Agriculture, Forestry and Fisheries:Research and Development) by Ministry of Agriculture, Forestry and Fisheries of Japan Global Environment Research Account for National Institutes (Long- term Monitoring of Carbon Flux and Promotion of Data Network in Asian Terrestrial Ecosystems) by Ministry of Environment, Japan

Publication

Iwata, H., Asanuma, J., Ohtani, Y., Mizoguchi, Y., Yasuda, Y. (2009) Vertical Length Scale of Transporting Eddies for sensible Heat in the Unstable Roughness Sublayer Over a Forest Canopy. Journal of Agricultural Meteorology, 65(1):1-9 Ohtani, Y., Saigusa, N., Yamamoto, S., Mizoguchi, Y., Watanabe, T., Yasuda, Y., Murayama, S. (2005) Characterisitics of CO2 fluxes in cool-temperate coniferous and deciduous broadleaf forests in Japan, Phyton, 45, 73-80. Ohtani, Y., Mizoguchi, Y., Watanabe, T., Yasuda, Y., Okano, M. (2001) Seasonal change of CO2 flux above an evergreen needle leaf forest in temperate region, Fujiyoshida, Japan. CGER Report, M011-2001, 129-132. Ohtani, Y., Mizoguchi, Y., Watanabe, T., Yasuda, Y. (2005) Parameterization of NEP for gap-filling in a cool-temperate coniferous forest in Fujiyoshida, Japan, Journal of Agricultural Meteorology, 60(5) 769-772. Ohtsuka, T., Goto, I., Sugita, M., Nakajima, T., Ikeguchi, H. (2003) The origin of red pine forest on Ken-marubi lava flow on the lower slopes of Mt. Fuji, Vegetation Science, 20, 43-54 (in Japanese with English Summary) . Han Q., Kawasaki T., Nakano T., Chiba Y. (2008) Leaf-age effects on seasonal variability in photosynthetic parameters and its relationships with leaf mass per area and leaf nitrogen concentration within a Pinus densiflora crown. Tree Physiology, 28, 551?558. Han, Q., Kawasaki, T., Katahata, S., Mukai, Y. and Chiba, Y. (2003) Horizontal and vertical variations in photosynthetic capacity in a Pinus densiflora crown in relation to leaf nitrogen allocation and acclimation to irradiance. Tree Physiology, 23(12), 851-857. Han, Q., Kawasaki, T., Nakano T. and Chiba, Y. 2004. Spatial and seasonal variability of temperature responses of biochemical photosynthesis parameters and leaf nitrogen content within a Pinus densiflora crown. Tree Physiology, 24(7), 737-744. Tanabe, H., Abe, Y., Nakano, T., Tange, T. (2006) Carbon and nitrogen changes in A0 horizons in a Pinus densiflora forest established on a Mt.Fuji lava flow. Japanese Journal of Forest Environment, 48(1), 1-8. Tanabe, H., Abe, Y., Nakano, T. (2004) Nitrogen use by Pinus densiflora trees growing on a Mt.Fuji lava flow. Journal of Forest Research, 9, 249-254.Tanabe, H., Nakano, T., Mimura, M., Abe, Y., Makino, S. (2003) Biomass and net primary production of a Pinus Densiflora forest established on a lava flow of Mt.Fuji in central Japan. Journal of Forest Research, 8, 247-252.