Water vapor isotope experiment was conducted at Beijing site (urban), Beijing, China (40.00N, 116.38E) from Dec 2006 to Dec 2007
Data download: NetCDF
Variable definitions
Description |
Unit |
Equipment |
Height (m) |
Additional description |
Date time |
− |
− |
− |
UTC |
Water mixing ratio |
ppmv |
Campbell TGA-100A |
2 |
− |
Water vapour isotopic ratio (18O) |
per mil |
Campbell TGA-100A |
2 |
Normalized to V-SMOW; Humidity dependence correlation: Dripper system |
Standard deviation of 18O |
per mil |
Campbell TGA-100A |
2 |
Hourly |
Water vapour isotopic ratio (D) |
per mil |
Campbell TGA-100A |
2 |
Normalized to V-SMOW; Humidity dependence correlation: Dripper system |
Standard deviation of D |
per mil |
Campbell TGA-100A |
2 |
Hourly |
Air temperature |
K |
Davis weather station |
20 |
Model Vantage Pro |
Relative humidity |
<=100% |
Davis weather station |
20 |
Model Vantage Pro |
Air pressure |
Pa |
Davis weather station |
− |
Model Vantage Pro |
Precipitation |
mm |
Davis weather station |
− |
Model Vantage Pro |
Net radiation |
W/m2 |
− |
− |
− |
Wind speed |
m/s |
− |
− |
− |
Wind direction |
degree (°C) |
− |
− |
− |
Air temperature |
K |
− |
2 |
ERA5 |
Relative humidity |
<=100% |
− |
2 |
ERA5 |
Air pressure |
Pa |
− |
2 |
ERA5 |
Precipitation |
mm |
− |
− |
ERA5 |
Net radiation |
W/m2 |
− |
− |
ERA5 |
Wind speed |
m/s |
− |
− |
ERA5 |
Wind direction |
°C |
− |
10 |
ERA5 |
Reference papers
Wen, X.F., Zhang, S.C., Sun, X.M., Yu, G.R. and Lee, X., 2010. Water vapor and precipitation isotope ratios in Beijing, China. Journal of Geophysical Research: Atmospheres, 115(D1).
Site contact
Name: Xuhui Lee and Xuefa Wen
Email: xuhui.lee@yale.edu (Xuhui Lee); wenxf@igsnrr.ac.cn (Xuefa Wen)