US-NR4: Niwot Ridge Alpine (T-Van East)
Tower_team: | |
PI: | John Knowles [email protected] - USDA ARS Southwest Watershed Research Center |
AncContact: | Sarah Elmendorf [email protected] - University of Colorado Boulder |
FluxContact: | Peter Blanken [email protected] - University of Colorado Boulder |
Lat, Long: | 40.052003, -105.585853 |
Elevation(m): | 3502 |
Network Affiliations: | AmeriFlux |
Vegetation IGBP: | GRA (Grasslands: Lands with herbaceous types of cover. Tree and shrub cover is less than 10%. Permanent wetlands lands with a permanent mixture of water and herbaceous or woody vegetation. The vegetation can be present in either salt, brackish, or fresh water.) |
Climate Koeppen: | ET (Tundra) |
Mean Annual Temp (°C): | -2.2 |
Mean Annual Precip. (mm): | 884 |
Flux Species Measured: | CO2, H2O |
Years Data Collected: | 2007 - Present |
Years Data Available: | No data available |
Description: | Snow-scoured alpine tundra; Fellfield vegetation; 3-m tower located 50 m E of US-NR3, 387 m SW of US-xNW, and 28 km west of Boulder, CO, USA. |
URL: | — |
Research Topics: | Sublimation; Carbon cycle; Water balance; Ecosystem function in complex mountain terrain |
Acknowledgment: | Funding was provided by National Science Foundation DEB awards 0423662, 1027341, and 1637686 to the Niwot Ridge LTER. |

Copyright preference: As long as credit is given
US-NR4: Niwot Ridge Alpine (T-Van East)
DOIs for this site and other citation information
Citations: For data, use the DOI citation. For site characterization, use the site publication. For funding, use acknowledgments.
DOIs to use for Citation of Data
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- —
Acknowledgements
- Funding was provided by National Science Foundation DEB awards 0423662, 1027341, and 1637686 to the Niwot Ridge LTER.
Resources
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US-NR4: Niwot Ridge Alpine (T-Van East)
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US-NR4: Niwot Ridge Alpine (T-Van East)
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Mid-winter snow distribution results from the interaction of wind and micro-topography
Location: Colorado, United States
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Snow accumulation after a wet spring storm
Location: Colorado, United States
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Spring snow
Location: Colorado, United States
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Above the inversion
Location: Colorado, United States
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Looking southeast
Location: Colorado, United States
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Looking WSW toward Kiowa peak
Location: Colorado, United States
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Tower closeup
Location: Colorado, United States
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Typical snow-scoured winter conditions, US-NR3 in the background
Location: Colorado, United States
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Looking east along Niwot Ridge
Location: Colorado, United States
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US-NR4: Niwot Ridge Alpine (T-Van East)
MODIS NDVI
The time series shows the 16-day Normalized Difference Vegetation Index (NDVI) average from the MOD13Q1 data product.
Use the slider below the time series to zoom in and out.
To view / download these data and other MOD13Q1 products for this site, visit MODIS/Terra Vegetation Indices.
For other related products, visit MODIS/VIIRS Fixed Sites Subsets Tool.
Citation:
ORNL DAAC. 2018. MODIS and VIIRS Land Products Fixed Sites Subsetting and Visualization Tool. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1567
MODIS NDVI subsetted data is not yet available for this site.
For a complete list of AmeriFlux sites, visit ORNL DAAC's MODIS/VIIRS Fixed Sites Subsets Tool.
US-NR4: Niwot Ridge Alpine (T-Van East)
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US-NR4: Niwot Ridge Alpine (T-Van East)
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