Water vapor isotope experiment was conducted at Luancheng site (wheat/corn), Shijiazhuang, China (37.81N, 114.67E) from Apr 2008 to Sep 2008.
Data download: NetCDF
Variable definitions
|
Description |
Unit |
Equipment |
Height (m) |
Additional description |
|
Date time |
− |
− |
− |
UTC |
|
Water mixing ratio |
ppmv |
Campbell TGA-100A |
1.6-4.3 |
− |
|
Water vapour isotopic ratio (18O) |
per mil |
Campbell TGA-100A |
1.6-4.3 |
Normalized to V-SMOW; Humidity dependence correlation: Dripper system |
|
Standard deviation of 18O |
per mil |
Campbell TGA-100A |
1.6-4.3 |
Hourly |
|
Water vapour isotopic ratio (D) |
per mil |
Campbell TGA-100A |
1.6-4.3 |
Normalized to V-SMOW; Humidity dependence correlation: Dripper system |
|
Standard deviation of D |
per mil |
Campbell TGA-100A |
1.6-4.3 |
Hourly |
|
Air temperature |
K |
HMP45C |
3.9 |
− |
|
Relative humidity |
<=100% |
HMP45C |
3.9 |
− |
|
Air pressure |
Pa |
HMP45C |
3.9 |
− |
|
Precipitation |
mm |
TE525MM |
− |
− |
|
Net radiation |
W/m2 |
CNR-1 |
− |
− |
|
Wind speed |
m/s |
A100R |
3.9 |
− |
|
Wind direction |
degree (°C) |
A100R |
4.9 |
− |
|
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.
Xiao, W., Lee, X., Wen, X., Sun, X. and Zhang, S., 2012. Modeling biophysical controls on canopy foliage water 18O enrichment in wheat and corn. Global Change Biology, 18(5), pp.1769-1780.
Site contact
Name: Xuhui Lee and Xuefa Wen
Email: xuhui.lee@yale.edu (Xuhui Lee); wenxf@igsnrr.ac.cn (Xuefa Wen)