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Investigation:

LC-13 (Asner / Silva )

LBA Dataset ID:

LC13TAPAJOS

Originator(s):

1. ASNER, G.P.
2. KELLER, M.M.
      3. PEREIRA, R.J.R.
4. ZWEEDE, J.C.

Point(s) of Contact:

ORNL DAAC User Services Office Oak Ridge National Laboratory Oak Ridge, Tennessee 37 (ornldaac@ornl.gov)

Dataset Abstract:

This data set contains GIS coverages constructed from measurements taken of logged areas in the Tapajos National Forest region of Para, Brazil in 1996 and 1998 (Asner et al., 2004). Coverages include log decks (patios), roads, skids trails, tree-fall locations, and block boundary. They are in ArcInfo SHAPE format (*.shp). The Tapajos data are in latitude/longitude using the WGS84 datum.

Beginning Date:

1996-01-01

Ending Date:

1998-12-31

Metadata Last Updated on:

2008-11-13

Data Status:

Archived

Access Constraints:

PUBLIC

Data Center URL:

http://daac.ornl.gov/

Distribution Contact(s):

ORNL DAAC User Services Office Oak Ridge National Laboratory Oak Ridge, Tennessee 37 (ornldaac@ornl.gov)

Access Instructions:

PUBLIC

Data Access:

IMPORTANT: The LBA-ECO Project website is no longer being supported. Links to external websites may be inactive. Final data products from the LBA project can be found at the ORNL DAAC. Please follow the fair use guidelines found in the dataset documentation when using or citing LBA data.
Datafile(s):

LBA-ECO LC-13 GIS Coverages of Logged Areas, Tapajos Forest, Para, Brazil: 1996, 1998:  http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=893

Documentation/Other Supporting Documents:

LBA-ECO LC-13 GIS Coverages of Logged Areas, Tapajos Forest, Para, Brazil: 1996, 1998:  http://daac.ornl.gov/LBA/guides/LC13_GIS_Tapajos.html

Citation Information - Other Details:

Asner, G. P., M. Keller, R. Pereira, J. C. Zweede, R. Pereira. 2008. LBA-ECO LC-13 GIS Coverages of Logged Areas, Tapajos Forest, Para, Brazil: 1996, 1998. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. doi:10.3334/ORNLDAAC/893

Keywords - Theme:

Parameter Topic Term Source Sensor
LANDSCAPE PATTERN LAND SURFACE LANDSCAPE FIELD INVESTIGATION GPS (GLOBAL POSITIONING SYSTEM)

Uncontrolled Theme Keyword(s):  CONVENTIONAL LOGGING, EXTRACTIVE LOGGING, GEOGRAPHIC INFORMATION SYSTEMS, GIS, REDUCED-IMPACT LOGGING, SELECTIVE LOGGING

Keywords - Place (with associated coordinates):

Region
(click to view profile)
Site
(click to view profile)
North South East West
  PARA WESTERN (SANTAREM) -2.25000 -3.50000 -54.00000 -56.00000

Related Publication(s):

Asner, G.P., E.N. Broadbent, P.J.C. Oliveira, M. Keller, D.E. Knapp, and J.N.M. Silva. 2006. Condition and fate of logged forests in the Brazilian Amazon. Proceedings of the National Academy of Sciences of the United States of America 103(34):12947-12950.

Asner, G.P., M. Keller, R. Pereira, and J.C. Zweede. (2002) Remote sensing of selective logging in Amazonia - Assessing limitations based on detailed field observations, Landsat ETM+, and textural analysis. Remote Sensing of Environment 80(3):483-496.

Asner, Gregory P., Michael Keller, Rodrigo Pereira Jr., Johan C. Zweede, and Jose N. M. Silva. 2004. Canopy Damage and Recovery After Selective Logging in Amazonia: Field and Satellite Studies. Ecological Applications 14(4): S280-S298.

Palace, M., M. Keller, G.P. Asner, J.N.M. Silva, and C. Passos. 2007. Necromass in undisturbed and logged forests in the Brazilian Amazon. Forest Ecology and Management 238(1-3):309-318.

Pereira, R., J. Zweede, G.P. Asner, and M. Keller. 2002. Forest canopy damage and recovery in reduced-impact and conventional selective logging in eastern Para, Brazil. Forest Ecology and Management 168(1-3):77-89.

Data Characteristics (Entity and Attribute Overview):

Data Characteristics:

These coverages are in ArcInfo SHAPE format (*.shp), which is readable by most GIS and image processing software. The available GIS layers include log decks (patios), roads, skids trails, tree-fall locations, and block boundary. The coordinates of the separate data layers are in latitude/longitude based on the WGS84 datum.



Data Files:



SHAPE format files (.dbf, .prj, .sbn, .sbx, .shp, .shp.xml, and .shx) have been combined and compressed as indicated below.



* Logging block boundaries for all of the blocks in the study area.



logging_blocks_geo_shp.zip



* Location of decks in all of the blocks that have been analyzed.



decks_geo_shp.zip



* Location of boundaries, roads, and decks in specified blocks:



Block 15: tca4b15all_geo_shp.zip



Block 16: tca4b16all_geo_shp.zip



Block 17: tca4b17all_geo_shp.zip



Block 19: tca4b19all_geo_shp.zip



Block 21: tca4b21all_geo_shp.zip



* Location of boundaries, roads, decks, skid trails, and tree-falls in specified blocks:



Block 3: tca1b3_geo_shp.zip



Block 6: tca1b6_geo_shp.zip



Block 7: tca1b7_geo_shp.zip



Block 9: tca2b9_geo_shp.zip



Block 10: tca2b10_geo_shp.zip





Attribute information for deck coverage:



*



DECK: is the deck identifier. b15r2p2 means block 15, road 2, patio 2

*



DECKNUMBER: a copy of the patio number or the number of skids.

*



Q_NUM: quadrant numberBLOCK_NUM: block number

*



HARV_MONTH: month in which block was harvested

*



HARV_YR: year in which block was harvested



Attribute information for other coverages:



The other shape files for patios, roads, etc. do not have any real attributes associated with them other than the standard ones that are used by the GIS software for indexing, etc.



Definitions for coverages:



* Deck or Log Deck means a place where logs are gathered in or near the forest for further transport to a processing mill or holding yard, sometimes called a landing.



* Skid or Skid Trail means a temporary pathway principally used to drag or transport felled trees or logs or other material to a landing.



* Road or Access Road means a temporary or permanent access route.

Data Application and Derivation:

These data when combined with hyper-spectral data can be applied to see how logging activity affects reflectance in multi- or hyper-spectral imagery.

Quality Assessment (Data Quality Attribute Accuracy Report):

Quality Assessment:

The locations of the GPS locations were visually compared with georeferenced imagery of the area.

Process Description:

Data Acquisition Materials and Methods:

These data were collected in the field using a Leica GPS unit.

References:

Asner, Gregory P., Michael Keller, Rodrigo Pereira Jr., Johan C. Zweede, and Jose N. M. Silva. 2004. Canopy Damage and Recovery Selective Logging in Amazonia: Field and Satellite Studies. Ecological Applications 14(4): S280-S298.

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