US-Camp Davis Rocky Mountain

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