Water vapor isotope experiment was conducted at Duolun site (grassland), Inner Mongolia, China (42.03N, 116.28E) from Jun 2009 to Sep 2009.
Data download: NetCDF
Variable definitions
Description |
Unit |
Equipment |
Height (m) |
Additional description |
Date time |
− |
− |
− |
UTC |
Water mixing ratio |
ppmv |
Campbell TGA-100A |
1.6 |
− |
Water vapour isotopic ratio (18O) |
per mil |
Campbell TGA-100A |
1.6 |
Normalized to V-SMOW; Humidity dependence correlation: Dripper system |
Standard deviation of 18O |
per mil |
Campbell TGA-100A |
1.6 |
Hourly |
Water vapour isotopic ratio (D) |
per mil |
Campbell TGA-100A |
1.6 |
Normalized to V-SMOW; Humidity dependence correlation: Dripper system |
Standard deviation of D |
per mil |
Campbell TGA-100A |
1.6 |
Hourly |
Air temperature |
K |
HMP45C |
1.8 |
− |
Relative humidity |
<=100% |
HMP45C |
1.8 |
− |
Air pressure |
Pa |
CS105 |
1.8 |
− |
Precipitation |
mm |
TE525MM |
1.8 |
− |
Net radiation |
W/m2 |
CNR-1 |
1.8 |
− |
Wind speed |
m/s |
A100R |
1.8 |
− |
Wind direction |
degree (°C) |
A100R |
1.8 |
− |
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., Lee, X., Sun, X.M., Wang, J.L., Hu, Z.M., Li, S.G. and Yu, G.R., 2012. Dew water isotopic ratios and their relationships to ecosystem water pools and fluxes in a cropland and a grassland in China. Oecologia, 168(2), pp.549-561.
Site contact
Name: Xuhui Lee and Xuefa Wen
Email: xuhui.lee@yale.edu (Xuhui Lee); wenxf@igsnrr.ac.cn (Xuefa Wen)