CEOP_AP Lower Yellow River Reference Site Gaoying Station

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Regional Hydroclimate Project:

CEOP_AP

Reference Site Name:

Lower Yellow River Station Name:

Gaoying Other Stations at Reference Site:

None Reference Site Representative:

Name:

Affiliation:

Tsinghua University

Address:

Department of Hydraulic Engineering, Tsinghua University, Beijing, 100084, China

E-mail:

Telephone:

Fax:

Data Management Contact:

Name:

Affiliation:

Tsinghua University

Address:

Department of Hydraulic Engineering, Tsinghua University, Beijing, 100084, China

E-mail:

Telephone:

Fax:

Associated Web Sites:

MAHASRI Home Page

Station Location, Maps and Google Earth Files:

Local Station Map (click for full resolution):

Regional Station Map (click for full resolution):

Google Earth:

Google Earth .kmz file of CEOP_AP Lower Yellow River Reference Site stations

Station Description:

General Description:

Gaoying is a small village in the Weishan Irrigation District which is about 450 km south of Beijing, the capital of China. It is also situated in the lower reach of the Yellow River.

The Gaoying measurement site (click image for full resolution).

Station Operator:

Department of Hydraulic Engineering, Tsinghua University.

Vegetation and Land Use:

Dominant land cover at the measurement location: cropland

Canopy height: 0- 0.8 m in the winter wheat season, 0-2.5 m in the summer maize season

Land cover within 50 m of site: cropland

Land cover within 500 m of site: cropland

Land cover within 12 km of site: cropland/built-up

Seasonal land cover changes: growing season of wheat is from mid-October to mid-June, growing season of maize is from mid-June to mid-October

Major changes in land cover at site during CEOP Data Collection Period: None

Slope at the site: 1:7500

Other notes: None

Soil Type and Characterization:

Surface soil type: Silt loam

Soil type in deeper layers: silt loam

Surface soil porosity: 0.45

Soil porosity in deeper layers: 0.45

Soil infiltration rate: No information.

Bulk Dry Density: 1.36gcm-3

Saturated Hydraulic Conductivity: 55mm/hr

The Soil Reference Group(s) (from World Reference Base for Soil Resources): No information.

Climate:

Asian monsoon climate. annual mean precipitation: 532 mm, mean annual temperature: 13.3 degC.

CEOP Parameters Measured and Instrumentation:

SURFACE METEOROLOGY AND RADIATION INSTRUMENTATION AND DESCRIPTION:

Station pressure 1.5 m (Druck CS115, Campbell Scientific)
Air Temperature 1.5 m (HMP45C, Vaisala Inc. Helsinki, Finland)
Dew point - presumably derived
Relative humidity 1.5 m (HMP45C, Vaisala Inc. Helsinki, Finland)
Specific humidity presumbably derived
Wind speed 10.0 m (05103, Young Co., Traverse City, MI, USA)
Wind direction 10.0 m (05103, Young Co., Traverse City, MI, USA)
U wind component presumbably derived
V wind component presumbably derived
Precipitation - 0.5 m (TE525MM, Campbell Scientific Instruments Inc.)
Snow depth - Not Measured
Incoming shortwave radiation - 3.5 m (CNR-1, Kipp & Zone, Delft the Netherlands)
Outgoing shortwave radiation - 3.5 m (CNR-1, Kipp & Zone, Delft the Netherlands)
Incoming longwave radiation - 3.5 m (CNR-1, Kipp & Zone, Delft the Netherlands)
Outgoing longwave radiation - 3.5 m (CNR-1, Kipp & Zone, Delft the Netherlands)
Net radiation 3.5 m (CNR-1, Kipp & Zone, Delft the Netherlands)
Skin temperature - 6.9 m (CML-303N, CLIMATEC, Inc., Japan)n
Incoming Photosynthetically Active Radiation (PAR) - 3.5 m (LI-190SA, LI-COR Inc.)
Outgoing Photosynthetically Active Radiation (PAR) - 3.5 m (LI-190SA, LI-COR Inc.)

METEOROLOGICAL TOWER INSTRUMENTATION AND DESCRIPTION:

Station pressure 1.5 m (Druck CS115, Campbell Scientific)
Air Temperature 1.5, 3.6, and 6.0 m (HMP45C, Vaisala Inc. Helsinki, Finland)
Dew point - presumably derived at 3 levels
Relative humidity 1.5, 3.6, and 6.0 m (HMP45C, Vaisala Inc. Helsinki, Finland)
Specific humidity presumbably derived at 3 levels
Wind speed 10.0 m (05103, Young Co., Traverse City, MI, USA)
Wind direction 10.0 m (05103, Young Co., Traverse City, MI, USA)
U wind component presumbably derived at 1 level
V wind component presumbably derived at 1 level

FLUX INSTRUMENTATION AND DESCRIPTION:

Sensible Heat Flux 3.7 m (CSAT3, Campbell Scientific Instruments Inc., Logan, UT, USA; IRGA, model LI-7500, LI-COR Inc., Lincoln, NE, USA)
Latent Heat Flux 3.7 m (CSAT3, Campbell Scientific Instruments Inc., Logan, UT, USA; IRGA, model LI-7500, LI-COR Inc., Lincoln, NE, USA)
CO2 Flux - 3.7 m (CSAT3, Campbell Scientific Instruments Inc., Logan, UT, USA; IRGA, model LI-7500, LI-COR Inc., Lincoln, NE, USA)
Soil Heat Flux -0.03 m (HFP01, Hukseflux, Delft, the Netherlands)

SOIL INSTRUMENTATION AND DESCRIPTION:

Soil Temperature 0.05, 0.10,0.20,0.40,0.80,1.60 m (Campbell-107, Campbell Scientific Instruments, Inc.)
Soil Moisture 0.05, 0.10,0.20,0.40,0.80,1.60 m (TRIME-EZ/IT, IMKO, Ettlingen, Germany)

RADIOSONDE INSTRUMENTATION AND DESCRIPTION:

No radiosonde measurements available.

OTHER INSTRUMENTATION AND DESCRIPTION:

Momentum Flux - (30 minutes)
Ground Water Level - Campbell CS-420-10 10 minute

Site References

None provided.

Literature:

Lei Huimin and Yang Dawen, 2010. Seasonal and interannual variations in carbon dioxide exchange over a cropland in the North China Plain. Global Change Biology. In press.

Presentations:

None known. Data Sets and Documentation: