LSH: Laoshan
General site details
| Site name | Laoshan |
|---|---|
| AsiaFlux site code | LSH |
| Location | Laoshan Area of Maoershan Experimental Forest Farm,Northeast Forestry University,Harbin, northeast China, People’s Republic of China |
| Position | 45º 16'43.0" N, 127º 34'42.2" E (WGS84) |
| Elevation | 340 m a.s.l. |
| Slope | 5-6 degree |
| Terrain type | Slope of mountain |
| Area | 5-6 ha |
| Fetch | 50, 70, 160 and more than 200 m in the west, South, North and East direction, respectively |
| Climate | Cool temperate |
| Mean annual air temperature | 2.8 ºC |
| Mean annual precipitation | 724 mm |
| Vegetation type | Larch forest |
| Dominant Species (Overstory) | Larix gmelinii |
| Dominant Species (Understory) | Ulmus propinqua, Corylus heterophylla, Lonicera ruprechtiana, Syringa mandshurica, Rubus sachalinensis, Sorbaria solbifolia, Acanthopanax senticosus, and Aralia elata (Wang et al., 2008) |
| Canopy height | 18 m |
| Age | 39 (Planted in 1969) |
| LAI | 2.5 m2 m-2 |
| Soil type | Dark brown forest soil, which is fertile and mesic Seasonally-frozen ground |
Observation
Eddy Covariance method (CO2)
| System | Closed-path system |
|---|---|
| Wind speed | Three-dimensional sonic anemometer-thermometer (SAT-550, KAIJO) |
| Air temperature | Three-dimensional sonic anemometer-thermometer (SAT-550, KAIJO) |
| Water vapor | Closed-path CO2/H2O analyzer (LI-7000, LI-COR) |
| CO2 | Closed-path CO2/H2O analyzer (LI-7000, LI-COR) |
| Measurement height | 29 m |
| Sampling frequency | 10 Hz |
| Averaging time | 30 min |
| Data logger | CR 23X |
| Data storage | HD |
| Original data | Raw data |
Meteorology
| Observation items | Levels/Depth | Instrument |
|---|---|---|
| Global solar radiation(incoming) | 21 m | Radiometer (MR40, Eko, Japan) |
| Global solar radiation (outgoing | 21 m | Radiometer (MR40, Eko, Japan) |
| Long-wave radiation(incoming) | 21 m | Radiometer (MR40, Eko, Japan) |
| Long-wave radiation(outgoing) | 21 m | Radiometer (MR40, Eko, Japan) |
| Net radiation | 21 m | Radiometer (MR40, Eko, Japan) |
| PPFD (incoming) | 21,1 m | Quantum sensor (PAR-02, PREDE) |
| PPFD (outgoing) | 21 m | Quantum sensor (PAR-02, PREDE) |
| Direct / diffuse radiation | - | |
| Direct / diffuse PPFD | - | |
| Air temperature | 21, 14 m | Platinum resistance thermometer and capacitive hygrometer (CVS-HMP-450, Vaisala) |
| Humidity | 21, 14 m | Platinum resistance thermometer and capacitive hygrometer (CVS-HMP-450, Vaisala) |
| Soil temperature | 5,10, 20, 50 cm | Platinum resistance thermometer (C-PTG-30, CLIMATEC, Japan) |
| Soil heat flux | 5 cm | Heat flux plate (MF-81, Eko, Japan) |
| Soil water content | 5, 20 cm | TDR sensor (CS615-L100, Campbell) |
| Wind speed | 29 m | Three-dimensional sonic anemometer- thermometer (SAT-550, KAIJO) |
| Wind direction | 29 m | Three-dimensional sonic anemometer- thermometer (SAT-550, KAIJO) |
| Barometric pressure | 3 m | Barometer (CS105, Vaisala) |
| Precipitation | 22 m | Closed-path CO2/H2O analyzer (LI-7000, LI-COR) |
| CO2 concentration | 29 m | Closed-path CO2/H2O analyzer (LI-7000, LI-COR) |
Other
| Soil respiration | Measured |
| Photosynthesis | Measured |
| Ecological investigation | Investigated |
Observation Period and Data Availability
| Measurement Period | May 2002 to present |
|---|---|
| Measurement Frequency | Continuous |
| Data Availability | N/A |
Contact
[Flux] Huimin Wang (wanghm [at] igsnrr.ac.cn) Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences, 11A Datun Road, Anwai Street, Beijing 100101, China Phone: +86-10-6488-8896 Fax: : +86-10-6488-8896
Nobuko Saigusa (n.saigusa [at] nies.go.jp) Center for Global Environmental Research, National Institute for Environmental Studies16-2 Onogawa, Tsukuba 305-8506, Japan Phone: +81-29-850-2517, 2976 Fax: +81-29-858-2645
[Soil respiration, Photosynthesis] Takayoshi Koike (tkoike [at] for.agr.hokudai.ac.jp) Hokkaido University
Other [Ecological Investigation] Yoichi Kanazawa (yknzw [at] kobe-u.ac.jp) Kobe University
Infrastructure
Tower, Electrical power(AC)
Research Fund
Global Environment Research Fund S-1 (FY2003-2006) by Ministry of Environment, Japan
Publication
1. Huimin Wang, Nobuko Saigusa, Yuangang Zu, Wenjie Wang, Susumu Yamamoto, Hiroaki Kondo. 2008. Carbon fluxes and their responses to environmental variables in a Dahurian larch forest ecosystem in northeast China. Journal of Forestry Research, 19: 1-10. 2. Huimin Wang, Yuangang Zu, Nobuko Saigusa, Susumu Yamamoto, Hiroaki Kondo, Fengjian Yang, Wenjie Wang. 2005. CO2, water vapor and energy fluxes in a larch forest in northeast China. Journal of Agricultural Meteorology, 60 (5), 549-552. 3. Huimin Wang, Nobuko Saigusa, Yuan-Gang Zu, Wen-Jie Wang, Susumu Yamamoto, Hiroaki Kondo. 2005. Annual carbon sequestration by a larch forest in northeast China. Proceedings of the International Conference on Research Highlights and Vanguard Technology on Environmental Engineering in Agricultural Systems, 267-271, Kanazawa, Japan. 4. Huimin Wang, Nobuko Saigusa, Yuangang Zu, Susumu Yamamoto, Hiroaki Kondo, Fengjian Yang, Wenjie Wang, Takashi Hirano, Yasumi Fujinuma. 2005. Response of CO2 flux to environmental variables in two larch forest ecosystems in East Asia. Phyton - Annales Rei Botanicae, 45(4), 339-346.