Water vapor isotope experiment was conducted at Heihe site (arid artificial oasis), Zhangye, China (38.85N, 100.37E) from May 2012 to Sep 2012.
Data download: NetCDF
Variable definitions
|
Description |
Unit |
Equipment |
Height (m) |
Additional description |
|
Date time |
− |
− |
− |
UTC |
|
Water mixing ratio |
ppmv |
Picarro L1102-i |
1.6 |
− |
|
Water vapour isotopic ratio (18O) |
per mil |
Picarro L1102-i |
1.6 |
Normalized to V-SMOW; Humidity dependence correlation: Dripper system |
|
Standard deviation of 18O |
per mil |
Picarro L1102-i |
1.6 |
Hourly |
|
Water vapour isotopic ratio (D) |
per mil |
Picarro L1102-i |
1.6 |
Normalized to V-SMOW; Humidity dependence correlation: Dripper system |
|
Standard deviation of D |
per mil |
Picarro L1102-i |
1.6 |
Hourly |
|
Air temperature |
K |
− |
− |
− |
|
Relative humidity |
<=100% |
− |
− |
− |
|
Air pressure |
Pa |
− |
− |
− |
|
Precipitation |
mm |
− |
− |
− |
|
Net radiation |
W/m2 |
− |
− |
− |
|
Wind speed |
m/s |
− |
− |
− |
|
Wind direction |
degree (°C) |
− |
− |
− |
|
Air temperature |
Celsius (°C) |
− |
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
Huang, L. and Wen, X., 2014. Temporal variations of atmospheric water vapor δD and δ18O above an arid artificial oasis cropland in the Heihe River Basin. Journal of Geophysical Research: Atmospheres, 119(19).
Wen, X., Yang, B., Sun, X. and Lee, X., 2015. Evapotranspiration partitioning through in-situ oxygen isotope measurements in an oasis cropland. Agricultural and Forest Meteorology.
Site contact
Name: Xuefa Wen
Email: wenxf@igsnrr.ac.cn (Xuefa Wen)