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Investigation:

LC-01 (Walsh / Bilsborrow / Manosalvas)

LBA Dataset ID:

LC01_Farms_GPS_NEC

Originator(s):

1. Bilsborrow, Richard E.
2. Walsh, Stephen J.
      3. McGregor, Stephen J.

Point(s) of Contact:

Bilsborrow, Richard E. (richard_bilsborrow@unc.edu)
Frizzelle, Brian (bgf@email.unc.edu)
Walsh, Stephen J. (swalsh@email.unc.edu)

Dataset Abstract:

This data contains all of the GPS data collected during the 1999 household survey in the colonist settlement study area, in the Northern Ecuadorian Amazon

Beginning Date:

1999-01-01

Ending Date:

1999-12-31

Metadata Last Updated on:

2012-01-23

Data Status:

Archived at LBA-DIS Only

Access Constraints:

Restricted

Data Center URL:

http://www.cpc.unc.edu/projects/ecuador/

Distribution Contact(s):

Brian Frizzelle (bgf@email.unc.edu)

Access Instructions:

Restricted

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):

Data are restricted - Readme:  Search at ORNL DAAC

Documentation/Other Supporting Documents:

Data Set User's Guide:  Search at ORNL DAAC

Citation Information - Other Details:

Due to confidentiality issues, these data are not available.

Keywords - Theme:

Parameter Topic Term Source Sensor
BOUNDARY SURVEYS HUMAN DIMENSIONS BOUNDARIES FIELD SURVEY GPS (GLOBAL POSITIONING SYSTEM)

Uncontrolled Theme Keyword(s):  GPS, farm, finca, households

Keywords - Place (with associated coordinates):

Region
(click to view profile)
Site
(click to view profile)
North South East West
Ecuador Northern Ecuadorian Amazon

Related Publication(s):

Barbieri AF, Carr DL. 2005.Gender-specific out-migration, deforestation and urbanization in the Ecuadorian Amazon. Global and Planetary Change, 47, 99-110.

Fox J, Rindfuss RR, Walsh SJ, Mishra V. (2003) People and the Environment: Approaches for Linking Household and Community Surveys to Remote Sensing and GIS. Kluwer Academic Publishers, Boston

Mena CF, Bilsborrow RE, McClain ME. 2006.Socioeconomic drivers of deforestation in the Northern Ecuadorian Amazon. Environmental Management, 37, 802-815,

Pan WKY, Bilsborrow RE. 2005. The use of a multilevel statistical model to analyze factors influencing land use: a study of the Ecuadorian Amazon. Global and Planetary Change, 47, 232-252.

Pan, W.K.Y., Walsh, S.J., Bilsborrow, R.E., Frizzelle, B.G., Erlien, C.M., & Baquero, F. (2004) Farm-level models of spatial patterns of land use and land cover dynamics in the Ecuadorian Amazon. Agriculture, Ecosystems and Environment, 101, 117-134.

Rindfuss RR, Walsh SJ, Mishra V, Fox J, Dolcemascolo GP. (2003) Linking Households and Remotely Sensed Data: Methodological and Practical Problems. In Linking Household and Remotely Sensed Data: Methodological and Practical Problems (eds J. Fox, V. Mishra, R.R. Rindfuss & S.J. Walsh). Kluwer Academic Publishers, Boston

Walsh SJ, Welsh WF. (2003) Approaches for Linking People, Place and Environment for Human Dimensions Research. GeoCarto International, 18, 51-61.

Walsh, S.J., Bilsborrow, R.E., McGregor, S.J., Frizzelle, B.J., Messina, J.P., Pan, W.K.Y., Crews-Meyer, K.A., & Taff, G.N. (2002). Integration of Longitudinal Surveys, Remote Sensing Time-Series, and Spatial Analyses: Approaches for Linking People and Place. In Linking Household and Remotely Sensed Data: Methodological and Practical Problems (eds J. Fox, V. Mishra, R.R. Rindfuss & S.J. Walsh). Kluwer Academic Publishers, Boston.

Data Characteristics (Entity and Attribute Overview):

Data Characteristics:

Study Area: The northern Ecuadorian Amazon.



Spatial coverage: All household GPS points are located within the bounds of the study area (West Bounding Coordinate: -78.000934, East Bounding Coordinate: -75.161179, North Bounding Coordinate: 0.590914, South Bounding Coordinate: -1.177936). Coordinates of individual households are unavailable due to confidentiality reasons. For more information concerning data access contact the Spatial Analysis Unit at the Carolina Population Center (http://www.cpc.unc.edu/projects/ecuador/contact.html).

Data Application and Derivation:

Typical application of data: Household data points may be used to determine distance (Euclidean or network) from the household to various locations (schools, markets, medical facilities, water sources).

Quality Assessment (Data Quality Attribute Accuracy Report):

Quality Assessment:

Positional accuracy: Differentially corrected GPS points are assumed to have an accuracy of 3-10 meters.

Process Description:

Data Acquisition Materials and Methods:

GPS coordinates for dwellings were recorded during the course of the 1999 household survey data collection. These data were downloaded and differentially corrected using base station files obtained from Aeromapa in Quito, Ecuador.

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