High-Resolution Orthoimagery and Digital Elevation Models
for Niwot Ridge and Green Lakes Valley
High-resolution imagery and DEMs are now available for the Niwot Ridge LTER and Green Lakes Valley CZO areas. The ten orthophoto mosaics span seven decades — from 1938 to 2008 — at 1.0 m to 30 cm resolution. Also available are four DEMs at 30 m to 2 m resolution. This data release will be useful for a variety of environmental research, including time-series analysis of climate-related changes in vegetation, hydrology, geomorphology, etc. The datasets should also be useful for visualization, mapping, modeling, and other objectives tied to science planning, land management, research, education, and outreach. For more information:
Download data release README file (pdf).
Download visual overview of the data (powerpoint).
1938-2008 Orthoimagery and DEMs
These imagery and DEM data sets are in the public domain and can be downloaded from the
NWT LTER site.
(2008 orthoimagery is 0.6 m resolution, and is also available from USGS Seamless Server).
Please use the following citation:
Manley, W.F., Parrish, E.G., and Lestak, L.R., 2009, High-Resolution Orthorectified Imagery and Digital Elevation Models for Study of Environmental Change at Niwot Ridge and Green Lakes Valley, Colorado: Niwot Ridge LTER, INSTAAR, University of Colorado at Boulder, digital media.
Niwot Ridge LTER: http://culter.colorado.edu/NWT/
Boulder Creek CZO: http://czo.colorado.edu/
INSTAAR QGIS Lab: http://instaar.colorado.edu/QGISL