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LBA-ECO LC-24 Landsat TM and ETM+ Land Cover, Southern Para, Brazil: 1984-2003
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Revision date: December 19, 2011

Summary:

This data set is a five-class land cover for Southern Para for the years 1984 (Landsat MSS), 1988 (Landsat TM), 1996, and 2003 (Landsat ETM+). The final classification shows five classes derived using visual comparison (Water, Clouds/Shadow, Forest, Not Forest, Background). These data were used in 2007 to illustrate the nature of deforestation in Southern Para, Brazil over the past twenty years (Simmons et al. 2007). There are four annual GeoTIFF files distributed with this data set. Each GeoTIFF file and accompanying *.tfw file have been compressed into a single *.zip file.

Data Citation:

Cite this data set as follows:

Simmons, C.S., M.M. Caldas, E.Y. Arima, and S.P. Aldrich. 2011. LBA-ECO LC-24 Landsat TM and ETM+ Land Cover, Southern Para, Brazil: 1984-2003. Data set. Available on-line [http://daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. doi:10.3334/ORNLDAAC/1055

Implementation of the LBA Data and Publication Policy by Data Users:

The LBA Data and Publication Policy [http://daac.ornl.gov/LBA/lba_data_policy.html] is in effect for a period of five (5) years from the date of archiving and should be followed by data users who have obtained LBA data sets from the ORNL DAAC. Users who download LBA data in the five years after data have been archived must contact the investigators who collected the data, per provisions 6 and 7 in the Policy.

This data set was archived in December of 2011. Users who download the data between December 2011 and November 2016 must comply with the LBA Data and Publication Policy.

Data users should use the Investigator contact information in this document to communicate with the data provider. Alternatively, the LBA Web Site [http://lba.inpa.gov.br/lba/] in Brazil will have current contact information.

Data users should use the Data Set Citation and other applicable references provided in this document to acknowledge use of the data.

Table of Contents:

1. Data Set Overview:

Project: LBA (Large-Scale Biosphere-Atmosphere Experiment in the Amazon)

Activity: LBA-ECO

LBA Science Component: Human Dimensions

Team ID: LC-24 (Walker / Reis)

The investigators were Walker, Robert T.; Reis, Eustaquio J; Arima, Eugenio; Bohrer, Claudio Belmonte de Athayde; Caldas, Marcellus Marques; Perz, Stephen G; Pfaff, Alexander; Qi, Jiaguo and Souza Jr., Carlos Moreira de. You may contact Walker, Robert T. (rwalker@msu.edu).

LBA Data Set Inventory ID: LC24_Land_Cover_Southern_Para

This data set is a five-class land cover for Southern Para for the years 1984 (Landsat MSS), 1988 (Landsat TM), 1996, and 2003 (Landsat ETM+). The classification shows five classes using visual comparison (Water, Clouds/Shadow, Forest, Not Forest, Background). These data were used in 2007 to illustrate the nature of deforestation in Southern Para, Brazil over the past twenty years. The data show similar trends on many of the more than 100 official settlement-projects in the region that have been established by the government land-reform agency.

Related Data Sets:

2. Data Characteristics:

The 1984 Landsat MSS scene was acquired from the University of Maryland's Global Land Cover Facility in a pre-processed form and was co-registered with the more accurate 2003 imagery (using 10 ground-control points collected in the Summer of 2006). Landsat TM and ETM scenes were acquired from TRFIC and Landsat.org and were coregistered to the 2003 imagery. There are four annual GeoTIFF files distributed with this data set. Each GeoTIFF file and accompanying *.tfw file have been compressed into a single *.zip file.

There are four images:


sparalc1984.zip
sparalc1988.zip
sparalc1996.zip
sparalc2003.zip

Spatial Extent:

1984
   Westernmost Longitude -49.84348792
   Easternmost Longitude -19.84348792
   Northernmost Latitude -4.826398266
   Southernmost Latitude -34.82639827

1988
   Westernmost Longitude -49.9271301
   Easternmost Longitude -19.9271301
   Northernmost Latitude -4.790768647
   Southernmost Latitude -34.79076865

1996
  Westernmost Longitude -49.85991435
  Easternmost Longitude -19.85991435
  Northernmost Latitude -4.870740649
  Southernmost Latitude -34.87074065

2003
  Westernmost Longitude -49.93847795
  Easternmost Longitude -49.93847795
  Northernmost Latitude -4.798870611
  Southernmost Latitude -34.79887061

Site boundaries: (All latitude and longitude given in decimal degrees)

Site (Region) Westernmost Longitude Easternmost Longitude Northernmost Latitude Southernmost Latitude Geodetic Datum
Southern Para -49.9385 -19.84348792 -4.790768647 -34.87074065 South-American Datum, 1969 (SAD-69)

Time period:

Platform/Sensor/Parameters measured include:

3. Data Application and Derivation:

The data have been used to illustrate the nature of deforestation in Southern Para over the past twenty years. Especially of interest is deforestation associated with the establishment of new smallholder agricultural settlements (Simmons et al. 2007).

4. Quality Assessment:

No formal accuracy assessment has been undertaken with regard to attribution. It is possible, indeed, likely, that there are errors of commission and omission in the resulting classification. Spatial accuracy after georectification of the 1984 scene was good, RMSE less than 0.8.

5. Data Acquisition Materials and Methods:

This data is a k-means classification of rough land-cover for Southern Para for the years 1984 (Landsat MSS), 1988 (Landsat TM), 1996, and 2003 (Landsat ETM+). The classification was developed on 20 classes separated out over a maximum of 500 iterations of the k-means algorithm. The resulting 20 classes were collapsed into five classes using visual comparison (Water, Clouds/Shadow, Forest, Not Forest, Background).

The 1984 Landsat MSS scene was acquired from the University of Maryland's Global Land Cover Facility in a pre-processed form and was co-registered with the more accurate 2003 imagery (using 10 ground-control points collected in the Summer of 2006). Landsat TM and ETM scenes were acquired from TRFIC and Landsat.org and were coregistered to the 2003 imagery.

6. Data Access:

This data is available through the Oak Ridge National Laboratory (ORNL) Distributed Active Archive Center (DAAC).

Data Archive Center:

Contact for Data Center Access Information:
E-mail: uso@daac.ornl.gov
Telephone: +1 (865) 241-3952

7. References:

Simmons, C.S, R.T. Walker, M.M. Caldas, E.Y. Arima, and S.P. Aldrich. 2007. Amazon Land Wars in the South of Para. Annals of the Association of American Geographers: 97 (3).