Water vapor isotope experiment was conducted at the NEEM site in North-West Greenland (77.45 N, 51.05 W) during 178 days across the summer season field campaigns of May – Aug 2010, Jul – Aug 2011, and May – Aug 2012.
Data download: NetCDF
Variable definitions
|
Description |
Unit |
Equipment |
Height (m) |
Additional description |
|
Date time |
− |
− |
− |
UTC |
|
Water mixing ratio |
ppmv |
LGR 908-0004-0003 (2010 season) Picarro L1102-i (2011 and 2012 season). |
1 meter (2010 season), 3 meters (2011 and 2012 season) |
− |
|
Water vapour isotopic ratio (18O) |
per mil |
LGR 908-0004-0003 (2010 season) Picarro L1102-i (2011 and 2012 season). |
1 meter (2010 season), 3 meters (2011 and 2012 season) |
Normalized to V-SMOW; Humidity dependence correlation: Non-linear regression |
|
Standard deviation of 18O |
per mil |
LGR 908-0004-0003 (2010 season) Picarro L1102-i (2011 and 2012 season). |
1 meter (2010 season), 3 meters (2011 and 2012 season) |
daily |
|
Water vapour isotopic ratio (D) |
per mil |
LGR 908-0004-0003 (2010 season) Picarro L1102-i (2011 and 2012 season). |
1 meter (2010 season), 3 meters (2011 and 2012 season) |
Normalized to V-SMOW; Humidity dependence correlation: Non-linear regression |
|
Standard deviation of D |
per mil |
LGR 908-0004-0003 (2010 season) Picarro L1102-i (2011 and 2012 season). |
1 meter (2010 season), 3 meters (2011 and 2012 season) |
daily |
|
Air temperature |
K |
− |
− |
− |
|
Relative humidity |
<=100% |
− |
− |
− |
|
Air pressure |
Pa |
− |
− |
− |
|
Precipitation |
mm |
− |
− |
− |
|
Net radiation |
W/m2 |
− |
− |
− |
|
Wind speed |
m/s |
− |
− |
− |
|
Wind direction |
degree (°C) |
− |
− |
− |
Reference papers
Steen-Larsen, H. C., Johnsen, S. J., Masson-Delmotte, V., Stenni, B., Risi, C., Sodemann, H., Balslev-Clausen, D., Blunier, T., Dahl-Jensen, D., Ellehøj, M. D., Falourd, S., Grindsted, A., Gkinis, V., Jouzel, J., Popp, T., Sheldon, S., Simonsen, S. B., Sjolte, J., Steffensen, J. P., Sperlich, P., Sveinbjörnsdóttir, A. E., Vinther, B. M., and White, J. W. C.: Continuous monitoring of summer surface water vapor isotopic composition above the Greenland Ice Sheet, Atmos. Chem. Phys., 13, 4815-4828, doi:10.5194/acp-13-4815-2013, 2013.
Steen‐Larsen, H. C., C. Risi, M. Werner, K. Yoshimura, and V. Masson‐Delmotte, Evaluating the skills of isotope‐enabled general circulation models against in situ atmospheric water vapor isotope observations, J. Geophys. Res. Atmos., 122, 246–263, 2017.
Site contact
Name: Hans Christian Steen-Larsen
Email: hanschr@gfy.ku.dk