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NACP NORTH AMERICAN FOREST DYNAMICS PROJECT: FOREST DISTURBANCE AND REGROWTH DATA
Entry ID: NAFD_DISTURBANCE


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Summary
Abstract: This data set provides the results of time-series analyses of Landsat imagery for 55 selected forested sites across the conterminous U.S.A. The output is a pair of disturbance data products for each site, one showing the first year of disturbance in the time series, the other showing the last year of disturbance. Each data pixel is labeled as either a static land class (persistent non-forest, persistent forest, or persistent water) or with the year of change for disturbed forest pixels. The time period analyzed is approximately 1984-2009.These forest disturbance data are distributed as a single band GeoTiff, with appropriate projection information defined within the file. The analyses were performed in three phases: 5 sites during the Prototype/Focal phase; 23 sites in Phase I; and 27 sites in Phase II. The spatial resolution of the Prototype/Focal and Phase I data is 28.5 meters. The spatial resolution of the Phase II data is 30 meters. The temporal resolution is nominally biennial. The mapped area for each forested site is approximately 185 km x 185 km. There are a total of 110 GeoTiff files; a first year and a last year of disturbance file for each of the 55 sites.

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Description: NACP NORTH AMERICAN FOREST DYNAMICS PROJECT: FOREST DISTURBANCE AND REGROWTH DATA


Geographic Coverage
 N: 49.7924 S: 26.5202  E: -67.9596  W: -126.458

Data Set Citation
Dataset Originator/Creator: MOISEN, G.G.COHEN, W.B.GOWARD, S.N.HUANG, C.MASEK, J.G.SCHLEEWEIS, K.
Dataset Title: NACP NORTH AMERICAN FOREST DYNAMICS PROJECT: FOREST DISTURBANCE AND REGROWTH DATA
Dataset Release Date: 2012
Dataset Release Place: Oak Ridge, Tennessee, U.S.A.
Dataset Publisher: Oak Ridge National Laboratory Distributed Active Archive Center
Data Presentation Form: Online Files
Dataset DOI: doi:10.3334/ORNLDAAC/1077
Online Resource: http://mercury.ornl.gov/ornldaac/send/query?term2=1077&term2attribu...


Temporal Coverage
Start Date: 1984-06-04
Stop Date: 2009-09-16


Location Keywords
CONTINENT > NORTH AMERICA


Science Keywords
BIOSPHERE >TERRESTRIAL ECOSYSTEMS >FORESTS    [Definition]
LAND SURFACE >LAND USE/LAND COVER >LAND COVER    [Definition]
AGRICULTURE >FOREST SCIENCE >AFFORESTATION/REFORESTATION    [Definition]


ISO Topic Category
FARMING
BIOTA


Platform
FIELD SURVEYS    [Information]
LANDSAT-3    [Information]
LANDSAT-5    [Information]


Instrument
MSS >Multispectral Scanner    [Information]


Project
EOSDIS >Earth Observing System Data Information System    [Information]
ESIP >Earth Science Information Partners Program    [Information]
NACP >North American Carbon Program    [Information]


Keywords
VCT
NAFD
NACP
FIRE
LTSS
LEADAPS
DISTURBANCE
REFORESTATION
LANDSAT TIME SERIES STACK
VEGETATION CHANGE TRACKER
LANDSAT SPECTRAL REFLECTANCE
NORTH AMERICAN CARBON PROGRAM
NORTH AMERICAN FOREST DYNAMICS


Data Set Progress
COMPLETE


Data Center
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC)    [Information]
Data Center URL: http://daac.ornl.gov/
Dataset ID: 1077

Data Center Personnel
Name: ORNL DAAC USER SERVICES OFFICE
Phone: (865) 574-7447
Email: uso at daac.ornl.gov
Contact Address:
ORNL DAAC User Services Office
Oak Ridge National Laboratory
City: Oak Ridge
Province or State: TN
Postal Code: 37831-6407
Country: USA


Personnel
G. G. MOISEN
Role: TECHNICAL CONTACT


ORNL DAAC USER SERVICES OFFICE
Role: DIF AUTHOR
Phone: (865) 574-7447
Email: uso at daac.ornl.gov
Contact Address:
ORNL DAAC User Services Office
Oak Ridge National Laboratory
City: Oak Ridge
Province or State: TN
Postal Code: 37831-6407
Country: USA



Creation and Review Dates
DIF Creation Date: 2012-03-30
Last DIF Revision Date: 2012-04-20


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