Alaska EPSCoR Data Portal

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Displaying all 5 entries

Digital Orthophoto 7.5' Quarter Quadrangles for the Tongass National Forest for 1996 or 1998

USDA Forest Service (USFS) - A digital orthophoto is a georeferenced image prepared from a perspective photograph, or other remotely-sensed data in which the displacement within the image due to sensor orientation and terrain relief has been removed. Orthophotos combine the image characteristics of a photograph with the geometric qualities of a map. They serve a variety of purposes, from interim maps to field Standards for...
Complete
1996-01-01
1998-01-01
2018-08-09 15:11:20 -0800
13 33 03 715 usfs 300x300 1
Data Full Record

Tongass National Forest, Digital Orthophoto Quarter-Quadrangles, 2006-2008

US Forest Service, Tongass National Forest (USFS TNF) - A Digital Orthophoto is a digital representation of an image of the earth's surface-typically derived from an aerial photograph. Digital Orthophotos show ground features such as roads, buildings, and streams in their proper positions, without the distortion characteristic of unrectified aerial photos. Consequently, Digital Orthophotos combine the image characteristics of an aerial photo with...
Ongoing
2018-08-09 15:11:21 -0800
6hp9dyx9zc 11 49 07 510 usfs 300x300 1 13 33 03 715 usfs 300x300 1
Data Full Record

2013 Aerial Orthoimagery - Nuiqsut

2013 cir ortho ntc nuiqsut National Science Foundation (NSF) - This RGB and CIR imagery comes from a high resolution LiDAR dataset of the Nuiqsut, and is part of a series of 2013 LiDAR and imagery collections by EPSCoR Northern Test Case.
Complete
2018-08-09 15:11:12 -0800
09 20 38 65 epscor 300x300 6jc8g1ukz3 nsf
Data Full Record

2013 Aerial Orthoimagery - Crea Creek Watershed Area

2013 rgb ortho ntc crea National Science Foundation (NSF) - This RGB and CIR imagery comes from a high resolution LiDAR dataset of the Crea Creek Watershed Area, and is part of a series of 2013 LiDAR and imagery collections by EPSCoR Northern Test Case.
Complete
2018-08-09 15:11:12 -0800
09 20 38 65 epscor 300x300 6jc8g1ukz3 nsf
Data Full Record

Cumulative Yellow-Cedar Decline

USDA Forest Service (USFS) - Data represent presence/absence for cedar decline is occurrence Cedar decline refers to the dying or decline of yellow-cedar (Chamaecyparis nootkatensis) forests in Southeast Alaska and is characterized by red or yellow foliage in trees currently dying, or by white-gray snags of old mortality. Mapped snags can be standing dead as long as eighty years. The data were collected via aerial sketch...
Complete
2012-08-02
2012-08-02
2018-08-09 15:11:23 -0800
13 33 03 715 usfs 300x300 1
Data Full Record