Water vapor isotope experiment was conducted at Manitou Experimental Forest Observatory site, Colorado, US (39.08 N, −105.07 W) from May 2011 to Sep 2011.
Data download: NetCDF
Variable definitions
|
Description |
Unit |
Equipment |
Height (m) |
Additional description |
|
Date time |
− |
− |
− |
UTC |
|
Water mixing ratio |
ppmv |
Picarro L2120-i |
27.1 |
− |
|
Water vapour isotopic ratio (18O) |
per mil |
Picarro L2120-i |
27.1 |
Normalized to V-SMOW; Humidity dependence correlation: Non-linear regression of water vapour concentration |
|
Standard deviation of 18O |
per mil |
Picarro L2120-i |
27.1 |
Hourly |
|
Water vapour isotopic ratio (D) |
per mil |
Picarro L2120-i |
27.1 |
Normalized to V-SMOW; Humidity dependence correlation: Non-linear regression of water vapour concentration |
|
Standard deviation of D |
per mil |
Picarro L2120-i |
27.1 |
Hourly |
|
Air temperature |
Celsius (°C) |
HMP-35D |
21.5 |
− |
|
Relative humidity |
<=100%, dimensionless |
HMP-35D |
21.5 |
− |
|
Air pressure |
Pa |
PTB-101B |
12 |
− |
|
Precipitation |
mm |
Tipping bucket |
− |
− |
|
Net radiation |
W/m2 |
REBS Q-7.1 |
25.5 |
− |
|
Wind speed |
m/s |
CSAT3 |
21.5 |
− |
|
Wind direction |
degree (°C) |
CSAT3 |
21.5 |
− |
|
Air temperature |
Celsius (°C) |
− |
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
Berkelhammer, M., Noone, D., Wong, T.E., Burns, S.P., Knowles, J.F., Kaushik, A., Blanken, P.D. and Williams, M.W., 2016. Convergent approaches to determine an ecosystem’s transpiration fraction. Global Biogeochemical Cycles.
Site contact
Name: Max Berkelhammer and David Noone
Email: berkelha@uic.edu (Max Berkelhammer) and dcn@coas.oregonstate.edu (David Noone)