National Overview Road Metrics - Euclidean Distance (NORM-ED) to road, Colorado

Mar 10, 2011
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Description:
This state-organized dataset quantifies distance to the nearest road in the Lower 48 states of the United States using a set of selected colors. Distance To Roads (DTR) data are from the USGS National Overview Road Metrics - Euclidean Distance dataset, which covers the United States at 30-meter resolution. Euclidean distance (ED) is the straight line distance between two points. NORM-ED is the first national monitoring indicator developed specifically for evaluation of the ecological costs of the nation’s road network. DTR is a simple first indicator of landscape vulnerability to road-induced ecological change.
Data Provided By:
U.S. Geological Survey (USGS)
Content date:
2004
Citation:
Title: National Overview Road Metrics - Euclidean Distance (NORM-ED) Lower 48 States
Credits: U.S. Geological Survey (USGS)
Publication Date: 2004
Publisher: U.S. Geological Survey, Denver, CO
Spatial Resolution:
30-meter grid
Contact Organization:
USGS Fort Collins Science Center
Contact Person(s):
Use Constraints:
None. Acknowledgment of the U.S. Geological Survey would be appreciated in products derived from these data.
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Dataset Type:
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Tags:
road metrics, distance to roads, dtr
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Conservation Biology Institute

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