Water vapor isotope experiment was conducted at Camp Davis Rocky Mountain, Wyoming, US (43.283°N, 110.659°W)) from 12 Jun to 2 Sep 2012 (day of year [DOY] 165–247), 12 Jan to 2 Feb 2013 (DOY 13–35), and 30 Jun to 15 Jul 2014 (DOY 181–197).
Data download: Tall Tower
Variable definitions
Description |
Unit |
Equipment |
Height (m) |
Additional description |
Date time |
− |
- |
- |
UTC |
Water mixing ratio |
ppmv |
Picarro l2120-i |
3 |
- |
Water vapour isotopic ratio (18O) |
per mil |
Picarro L2120-i |
3 |
Normalized to V-SMOW; Humidity dependence correlation: non-linear regression of water vapour concentration |
Standard deviation of 18O |
per mil |
Picarro L2120-i |
2 |
Hourly |
Water vapour isotopic ratio (D) |
per mil |
Picarro L2120-i |
2 |
Normalized to V-SMOW; Humidity dependence correlation: non-linear regression of water vapour concentration |
Standard deviation of D |
per mil |
Picarro L2120-i |
2 |
Hourly |
Air temperature |
K |
CS500, Campbell Scientific/Setra |
- |
− |
Relative humidity |
<=100% |
CS500, Campbell Scientific/Setra |
- |
− |
Air pressure |
Pa |
CS100, Campbell Scientific/Setra |
- |
− |
Precipitation |
mm |
TE525WS, Texas Electronics |
- |
− |
Net radiation |
W/m2 |
REBS Q-7.1 |
25.5 |
− |
Wind speed |
m/s |
CSAT3 |
21.5 |
− |
Wind direction |
°C |
CSAT3 |
21.5 |
− |
Air temperature |
Celsius (°C) |
− |
2 |
ERA5 |
Relative humidity |
<=1 |
− |
2 |
ERA5 |
Air pressure |
kPa |
− |
2 |
ERA5 |
Precipitation |
mm |
− |
− |
ERA5 |
Net radiation |
W/m2 |
− |
− |
ERA5 |
Wind speed |
m/s |
− |
10 |
ERA5 |
Wind direction |
°C |
− |
10 |
ERA5 |
Reference papers
Fiorella, R. P., Poulsen, C. J., & Matheny, A. M. (2018). Seasonal patterns of water cycling in a deep, continental mountain valley inferred from stable water vapor isotopes. Journal of Geophysical Research: Atmospheres, 123. https://doi.org/10.1029/2017JD028093
Site contact
Name: Richard P. Fiorella
Email: rich.fiorella@utah.edu