GL-Ivittuut

Water vapor isotope experiment was conducted at Ivittuut site (ice sheet), Greenland (61°12’ N, 47°10’ W) from Oct 2011 – May 2013.


Data download: NetCDF

Variable definitions

Description

Unit

Equipment

Height (m)

Additional description

Date time

UTC

Water mixing ratio

ppmv

Picarro L2120-i

5 m

Water vapour isotopic ratio (18O)

per mil

Picarro L2120-i

5 m

Normalized to V-SMOW; Humidity dependence correlation: Non-linear regression

Standard deviation of 18O

per mil

Picarro L2120-i

5 m

daily

Water vapour isotopic ratio (D)

per mil

Picarro L2120-i

5 m

Normalized to V-SMOW; Humidity dependence correlation: Non-linear regression

Standard deviation of D

per mil

Picarro L2120-i

5 m

daily

Air temperature

Celsius (°C)

Relative humidity

<=1

Air pressure

kPa

Precipitation

mm

Net radiation

W/m2

Wind speed

m/s

Wind direction

degree (°C)

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

-

-

ERA5

Wind direction

°C

-

10

ERA5

Reference papers

          Bonne, J.-L., Masson-Delmotte, V., Cattani, O., Delmotte, M., Risi, C., Sodemann, H., and Steen-Larsen, H. C.: The isotopic composition of water vapour and precipitation in Ivittuut, southern Greenland, Atmos. Chem. Phys., 14, 4419-4439 (2014).

          Steen‐Larsen, H. C., et al. “Evaluating the skills of isotope‐enabled General Circulation Models against in‐situ atmospheric water vapor isotope observations.” Journal of Geophysical Research: Atmospheres (2016).

Site contact

           Name: Hans Christian Steen-Larsen

           Email:  hanschr@gfy.ku.dk