Niwot Ridge T-Van (NWR) Site Info

Location: near tree-line on Niwot Ridge near Ward, Colorado at the site of 40 years of weekly flask sampling for CO2 and other species by NOAA GMD
T-Van is 5 km distant and 470 m up the ridge from the Niwot Ridge AmeriFlux site.  Niwot Ridge is an LTER site and a UNESCO-MAB Biosphere Reserve.

Site management: Institute of Arctic and Alpine Research, University of Colorado
Site web page:
Weather data (350 m distant and 5 m further up ridge):
Web camera (350 m distant and 5 m further up ridge):
Latitude: 40º 03' 11'' (40.05) N
Longitude: 105º 35' 11'' (105.58) W
Altitude: 3523 msl
Inlet heights: 5.1 m, 3.5 m, 1.3 m
Installed: August 25, 2005
Topographic Map
Satellite Photo
Full Record
Calibration Gas Pressures
Intercomparison with NOAA/GMD Flasks (password protected)


(click on image to get full size version)