Regional Hydroclimate Project:
Name:Dr. Gombo Davaa
Institute of Meteorology and Hydrology
Hudaldannyi St.-5, Ulaanbaatar 46, Mongolia
Name:Dr. Jun Asanuma
Terrestrial Environment Research Center
1-1-1 Tennnoh-dai, Tsukuba, Ibaraki, Japan, 305-8577
Latitude : 47.2127 N
Longitude : 108.7424 E
Elevation : 1235 m ASL
Kherlen-Bayan-Ulaan Local Station Map (click for full resolution):
Northern Mongolia Regional Station Map (click for full resolution):
Station Operator: No information.
Vegetation and Land Use:
Dominant land cover at the measurement location: Uniform grassland, with dominant species of Stipa krylovii, Carex sp., Caragana stenophylla, Cleistogenes squarrosa, Artemisia frigida
Canopy height: 0.1 to 0.2 m
Land cover within 50 m of site: Uniform grassland
Land cover within 500 m of site: Uniform grassland
Land cover within 12 km of site: Uniform grassland, rivers and river bed to the west and south, and hills to the north and east.
Seasonal land cover changes: largest LAI at the middle of summer (upto LAI around 1), dead grass in the winter.
Major changes in land cover at site during CEOP data period: No information.
Slope at the site: plane at flat.
Other notes: No information.
Soil Type and Characterization:
Surface soil type: Chestnut soil (Katanozem)
Soil type in deeper layers: No information.
Surface soil porosity: No information.
Soil porosity in deeper layers: No information.
Soil infiltration rate: No information.
Bulk Dry Density: No information.
Saturated Hydraulic Conductivity: No information.
The Soil Reference Group(s) (from World Reference Base for Soil Resources): Chestnut soil (Katanozem)
cold and semi-arid
SURFACE METEOROLOGY AND RADIATION INSTRUMENTATION AND DESCRIPTION:
- Station pressure height not specified - CYG-52202, RM Young Company
- Air Temperature 2.35m Vaisala HMP-45D
- Dew point - presumably derived
- Relative humidity 2.35m Vaisala HMP-45D
- Specific humidity presumably derived
- Wind speed 3.5 m Kaijo SAT-550
- Wind direction 3.5 m Kaijo SAT-550
- U wind component presumbably derived
- V wind component presumbably derived
- Precipitation - Campbell PTB101
- Snow depth - Not Measured
- Incoming shortwave radiation - 2.4m Kipp & Zonen CNR1
- Outgoing shortwave radiation - 2.4m Kipp & Zonen CNR1
- Incoming longwave radiation - 2.4m Kipp & Zonen CNR1
- Outgoing longwave radiation - 2.4m Kipp & Zonen CNR1
- Net radiation presumbably derived
- Skin temperature - CML-303F, Minolta, 2.5m
- Incoming Photosynthetically Active Radiation (PAR) - Not measured.
- Outgoing Photosynthetically Active Radiation (PAR) - Not measured.
- Sensible Heat Flux Kaijo SAT-550, 3.5m
- Latent Heat Flux Kaijo SAT-550 & Licor LI7500, 3.5m
- CO2 Flux Kaijo SAT-550 & Licor LI7500, 3.5m
- Soil Heat Flux PHF-1.1, REBS, Inc, -0.02m, -0.1m
- Soil Temperature C-PT, CLIMATEC Inc, -0.05, -0.1, -0.2, -0.3, -0.5, -0.7, -1, -1.5 m
- Soil Moisture CS616, Campbell Scientific, -0.1, -0.2, -0.3, -0.7, -1, -1.5 m
METEOROLOGICAL TOWER INSTRUMENTATION AND DESCRIPTION:
No tower measurements available.
FLUX INSTRUMENTATION AND DESCRIPTION:
SOIL INSTRUMENTATION AND DESCRIPTION:
RADIOSONDE INSTRUMENTATION AND DESCRIPTION:
No radiosonde measurements available.
OTHER INSTRUMENTATION AND DESCRIPTION:
No other measurements available.
S.-G. Li, J. Asanuma, W. Eugster, A. Kotani, G. Davaa, D. Oyunbaatar and M. Sugita (2005) Net ecosystem carbon dioxide exchange over grazed steppe in central Mongolia, Global Change Biology, online: 11, doi: 10.1111/j.1365-2486.2005.01047.x
S.-G. Li, J. Asanuma, A. Kotani, G. Davaa and D. Oyunbaatar(2006): Evapotranspiration from a Mongolian steppe under grazing and its environmental constraints. Journal of Hydrology, 333, 133-143, doi:10.1016/j.jhydrol.2006.07.021
Li, Sheng-Gong, and Eugster, Werner, and Asanuma, Jun and Kotani, Ayumi and Davaa, Gombo and Oyunbaatar, Dambaravjaa and Sugita, Michiaki, 2006, Energy partitioning and its biophysical controls above a grazing steppe in central Mongolia, afm, 137, 89-106
Li, S.-G. and W. Eugster and Asanuma, J. and A. Kotani and G. Davaa and D. Oyunbaatar and M. Sugita, 2008, Response of gross ecosystem productivity, light use efficiency, and water use efficiency of Mongolian steppe to seasonal variations in soil moisture, jgr-b, 113, G01019, doi:10.1029/2006JG000349