WARNING: This data is raw and has not been quality checked.
Q - questionable data based on preliminary automated quality control.
I - nonsensical data based on the physical range of the variable
These flags will show up on the graph if any data points trip the automated qc criteria
Station Elevation : 3528m (11,572 ft)
The following meteorological data are from the Saddle on Niwot Ridge. The peak wind gust information is recorded instantaneously, with a sampling interval of 5 seconds. The other measurements are one hour averages comprised of 720 samples collected at 5 second intervals. All the parameters are updated at the top of every hour.
The Saddle site is an Alpine Tundra site, located 5.6 km from the Continental Divide. Topographic setting: ridge-top, but in a shallow saddle between east and west knolls. There is a 10,000 sqft tundra laboratory at Niwot Ridge which serves as a staging area for research in all weather conditions. In addition, there is an 80 sqft subnivean laboratory equipped with snow melt lysimeters that drain into dedicated tipping buckets. These laboratories have year-round motorized access 120-volt line power. There is an Aerometrics wet—chemistry precipitation collector as part of the National Atmospheric Deposition Program (NADP), which has operated continuously since 1984 and is the highest site in the entire NADP network. The timing, duration, and amount of snow cover has been manipulated since 1994 with a 2.6x60 m snowfence, providing a proxy for climate change. There are several meteorological stations at the Saddle site. Climate data completeness good from 1981 to present. Climate parameters measured include temperature, relative humidity, solar radiation, barometric pressure, wind speed and direction, precipitation, soil moisture and temperature. NOAA measures surface ozone as well.
This material is based upon work supported by the National Science Foundation under Cooperative Agreement #DEB-1027341. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necesarily reflect the views of the National Science Foundation.
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