Data Set Citation:
When using this data, please cite the data package:
Ichiro Tamagawa 玉川一郎 and Taku M. Saitoh 斎藤琢 .
Takayama evergreen coniferous forest Flux Monitoring Data (AsiaFlux TKC site, 2005-present) 高山常緑針葉樹林フラックス観測データ
JaLTER-takayama-01.31.4 (http://db.cger.nies.go.jp/JaLTER/metacat/metacat/JaLTER-takayama-01.31.4/jalter-en)
General Information:
Title:Takayama evergreen coniferous forest Flux Monitoring Data (AsiaFlux TKC site, 2005-present) 高山常緑針葉樹林フラックス観測データ
Identifier:JaLTER-takayama-01.31.4
Abstract:
This data set contains eddy fluxes and related data collected at Takayama evergreen coniferous forest site in Japan. Original data set is not online yet. For distribution of data, contact with data owner. 岐阜大学の高山常緑針葉樹林サイトのフラックス観測データです。データ本体はまだ公開していません。データの入手方法についてはデータ所有者におたずねください。 http://www.asiaflux.net/datapolicy.html Site name (three letter code): Takayama evergreen coniferous forest site (TKC) Location: Takayama, Gifu, Japan Position: 36º 08' 23" N, 137º 22' 15" E (World Geodetic System 1984, GPS) Elevation: 800m above sea level (World Geodetic System 1984, GPS) Slope: 20.8 degree Terrain Type: Mountainous area Area: 150 ha (Continuous forest area), 0.15 ha (Ecological experimental area) Fetch: 200-1500 m Climate: Cool temperate (Snow - fully humid - warm summer (Dfa) Mean annual air temperature: 10.7 degreeC (1967-2006 at Takayama weather station; 36º 09' 18" N, 137º 15' 12" E, 560.1 m above sea level) Mean annual precipitation: 1722 mm (1967-2006 at Takayama weather station; 36º 09' 18" N, 137º 15' 12" E, 560.1 m above sea level) Vegetation Type: Planted Evergreen Coniferous Forest Dominant Species (Overstory): Cyptomeria japonica, Chamaecyparis obtusa Dominant Species (Understory): shurabs (Acanthopanax sciadophylloides, Reynoutria japonica), herbs (Houttuynia cordata, Chrysosplenium japonicum), ferns (Dryopteris crassirhizoma, Archniodes standishii) Canopy height: About 20 m Age: About 50 years LAI: N/A Soil type: Volcanogenous regosol
Keywords:
  • flux
  • CO2
  • carbon dioxide
  • water
  • heat
  • eddy covariance method
  • micrometeorology
  • flux tower
  • AsiaFlux
  • JapanFlux
  • フラックス
  • 二酸化炭素
  • 渦相関法
  • フラックスタワー
  • アジアフラックス
  • ジャパンフラックス
  • Takayama evergreen (TKC)

Involved Parties

Data Set Owners:
Individual: Ichiro Tamagawa 玉川一郎
Organization:River Basin Research Center, Gifu University 岐阜大学流域圏科学研究センター
Address:
1-1 Yanagido,
Gifu, Gifu 501-1193 Japan
Email Address:
tama(at)green.gifu-u.ac.jp
Individual: Taku M. Saitoh 斎藤琢
Organization:River Basin Research Center, Gifu University岐阜大学流域圏科学研究センター
Address:
1-1 Yanagido,
Gifu, Gifu 501-1193 Japan
Data Set Contacts:
Individual: Ichiro Tamagawa 玉川一郎
Organization:River Basin Research Center, Gifu University岐阜大学流域圏科学研究センター

Data Set Characteristics

Time Period:
Begin:
2005
End:
2009

Sampling, Processing and Quality Control Methods

Step by Step Procedures
Step 1:
Description:

Meteorology 気象観測

Observation items Levels / Depth

Global solar radiation (incoming): 30.5 m

Global solar radiation (outgoing): 29.7 m

Long-wave radiation (incoming): 30.5 m

Long-wave radiation (outgoing): 29.7 m

Net radiation: -

PPFD (incoming) : 30.5 m

PPFD (outgoing): 29.7 m

PPFD (Forest floor): six point

Direct/diffuse radiation: -

Direct/diffuse PPFD: -

Air temperature: 30.2, 22.8, 18.4, 14.7, 10.6, 6.5, 3.6, 1.3 m

Humidity: 30.2, 22.8, 18.4, 14.7, 10.6, 6.5, 3.6, 1.3 m

Surface temperature: 30, 22, 2 m

Soil temperature: 0.05, 0.1, 0.15, 0.2, 0.4 m

Soil heat flux: N/A

Soil water content: 0.05, 0.1, 0.15, 0.2, 0.4 m

Wind speed: 31, 23.4, 6.5, 2 m

Wind direction: 30.9, 6.5, 2 m

Barometric pressure: 1.5 m

Precipitation: 30.9 m

snow depth: 3.32 m

CO2 concentration: 30.2, 22.8, 18.4, 14.7, 10.6, 6.5, 3.6, 1.3 m

Instrument(s): Observation items Instrument
Instrument(s): Global solar radiation (incoming): CM6B (Kipp & Zonen)
Instrument(s): Global solar radiation (outgoing): CM6B (Kipp & Zonen)
Instrument(s): Long-wave radiation (incoming): CG3 (Kipp & Zonen)
Instrument(s): Long-wave radiation (outgoing): CG3 (Kipp & Zonen)
Instrument(s): Net radiation: -
Instrument(s): PPFD (incoming): LI190SZ (LI-COR, USA )
Instrument(s): PPFD (outgoing): LI190SZ (LI-COR, USA )
Instrument(s): PPFD (Forest floor): LI-190SB (LI-COR, USA), IKS-27 (Koito, Japan), IKS-25 (Koito, Japan)
Instrument(s): Direct/diffuse radiation: -
Instrument(s): Direct/diffuse PPFD: -
Instrument(s): Air temperature: Platinum resistance thermometer with ventilated radiation shields (HMP45A, VAISALA, Finland)
Instrument(s): Humidity: Capacitive hygrometer with ventilated radiation shields (HMP45A, VAISALA, Finland)
Instrument(s): Surface temperature: Infrared Thermometer (MI-710, PTEX, Siga, Japan)
Instrument(s): Soil temperature: Thermistor (107, Campbell, USA)
Instrument(s): Soil heat flux: -
Instrument(s): Soil water content: TDR sensor (CS616, Campbell, USA)
Instrument(s): Wind speed: 3-cups anemometer (A100L2, Vector, UK), Sonic anemometer (Windsonic, Gill instruments, UK)
Instrument(s): Wind direction: Wind vane (W200P, Vector, UK), Sonic anemometer (Windsonic, Gill instruments, UK)
Instrument(s): Barometric pressure: PTB210 (Vaisala, Finland)
Instrument(s): Precipitation: Tipping bucket rain gauge with heater (RH-5A, Ikeda Keiki, Japan)
Instrument(s): snow depth: Ultrasonic distance sensor (SR-50, Campbell, USA)
Instrument(s): CO2 concentration: CO2 gas analyzer (LI-820, LICOR, USA)
Step 2:
Description:

Eddy correlation method 渦相関法

Eddy correlation method instruments渦相関法によるフラックス測定のための計測項目と機器

System: Open-path system (CO2 flux, latent heat flux)

Measurement height: 31m

Sampling frequency: 10 Hz

Averaging time: 30 minutes

Data logger: PC

Data storage: HD

Original data (Raw data or statistics): Raw data

Instrument(s): Wind speed: Three-dimensional sonic anemometer-thermometer (R3-50, Gill Instruments, UK)
Instrument(s): Air temperature: Three-dimensional sonic anemometer-thermometer (R3-50, Gill Instruments, UK)
Instrument(s): Water Vapor: Open Path CO2/H2O Gas Analyzer (LI-7500, LI-COR, USA)
Instrument(s): CO2: Open Path CO2/H2O Gas Analyzer (LI-7500, LI-COR, USA)
Step 3:
Description:

Other その他の計測項目と使用機器

Soil respiration: automated chambers by CO2 gas analyzer (LI-820, LI-COR, USA)

Photosynthesis: N/A

Ecological Investigation: Tree heights (2005), Crown projection (2005), Diameter of Breast Height, Biomass (2004 to present; every year), Litter fall (about every two months)

Water cycle within canopy: Through fall (twenty four points), Stem flow (three points)

Remote sensing Fish-eye photographs: (canopy, sky) and Radiative spectrum (income, outcome) by PEN (Phenological Eyes Network) system. Fish-eye photographs at ninety six points on the forest floor (November 7, 2006)

Data Set Usage Rights

Access Control:
Auth System:knb
Order:denyFirst
Metadata download: Ecological Metadata Language (EML) File