US-Great Mountain

Water vapor isotope experiment was conducted at Great Mountain site, CT, USA (41.98N, 73.23W) from May 2005 to SEP 2005.


Data download: NetCDF

Variable definitions

Description

Unit

Equipment

Height (m)

Additional description

Date time

UTC

Water mixing ratio

ppmv

Campbell TGA-100A

30.7

Water vapour isotopic ratio (18O)

per mil

Campbell TGA-100A

30.7

Normalized to V-SMOW; Humidity dependence correlation: Dripper system

Standard deviation of 18O

per mil

Campbell TGA-100A

30.7

Hourly

Water vapour isotopic ratio (D)

per mil

Campbell TGA-100A

30.7

Normalized to V-SMOW; Humidity dependence correlation: Dripper system

Standard deviation of D

per mil

Campbell TGA-100A

30.7

Hourly

Air temperature

K

HMP-45C

25.6

Relative humidity

<=100%

HMP-45C

25.6

Air pressure

Pa

1

Precipitation

mm

Tipping bucket

Net radiation

W/m2

Q7

Wind speed

m/s

RMY sensor

29.0

Wind direction

degree (°C)

RMY sensor

29.0

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

     Lee X, Kim K., Smith R. ,2007. Temporal variations of the isotopic signal of the whole-canopy transpiration in a temperate forest. Global Biogeochemical Cycles 21: GB3013, doi:10.1029/2006GB002871.

Site contact

     Name: Xuhui Lee

     Email: xuhui.lee@yale.edu