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Grayscale Mapping of Historically Irrigated LandsUsing GIS

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DOI: 10.4236/jgis.2012.41005    5,941 Downloads   9,101 Views   Citations

ABSTRACT

This document describes the use of grayscale mapping and GIS for identification of historical irrigated lands. Historical irrigated lands form the basis for water rights—a private property right in New Mexico that is bought and sold on the open market. Identification of irrigated land on historical photography is both a science and an art. Grayscale mapping of historic black and white photographs can aid in the identification of irrigated lands. GIS allows historical images to be geo-referenced and area computations to be performed on polygons that define the irrigated lands.

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T. Turney, "Grayscale Mapping of Historically Irrigated LandsUsing GIS," Journal of Geographic Information System, Vol. 4 No. 1, 2012, pp. 33-36. doi: 10.4236/jgis.2012.41005.

Conflicts of Interest

The authors declare no conflicts of interest.

References

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[2] Time Life, “The Camera,” Time Life Books, New York, 1970, p. 52
[3] L. Snider, “Photoshop CS5, the Missing Manual,” O’Reilly Media, Inc, Sebastopol, 2010.
[4] American Society of Photogrammetry, “Manual of Photographic Interpretation,” American Society of Photogrammetry, Washington DC, 1960, pp. 100-104.
[5] Bureau of Land Management, “Aerial Photography Archives,” 2011. http://www.blm.gov/nstc/aerial/index.html

  
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