Full TGIF Record # 234126
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DOI:10.1111/jawr.12052
Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/jawr.12052/full
    Last checked: 12/11/2013
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/jawr.12052/pdf
    Last checked: 12/11/2013
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    Access conditions: Item is within a limited-access website
Publication Type:
i
Report
Author(s):Jordan, David L.; Barroll, Peggy
Author Affiliation:Jordan: Principal Hydrogeologist, INTERA Incorporated, Albuquerque; Barroll: Hydrologist, New Mexico Office of the State Engineer, Santa Fe, New Mexico
Title:Multi-decadal remote-sensing analysis of irrigated areas in the Lower Rio Grande valley, New Mexico
Source:Journal of the American Water Resources Association/AWRA. Vol. 49, No. 3, June 2013, p. 484-497.
# of Pages:14
Publishing Information:Minneapolis, Minnesota: American Water Resources Association
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/jawr.12052/abstract
    Last checked: 12/11/2013
    Notes: Abstract only
Keywords:TIC Keywords: Historical resources; Irrigation efficiency; Water use
Abstract/Contents:"A time series of estimates of irrigated area was developed for the Lower Rio Grande valley (LRG) in New Mexico from the 1970s to present day. The objective of the project was to develop an independent, accurate, and scientifically justifiable evaluation of irrigated area in the region for the period spanning from the mid-1970s to the present. These area estimates were used in support of groundwater modeling of the LRG region, as well as for other analyses. This study used a remote-sensing-based methodology to evaluate overall irrigated area within the LRG. We applied a methodology that involved the normalization of vegetation indices derived from satellite imagery to get a more accurate estimation of irrigated area across multiple time periods and multiple Landsat platforms. The normalization allows more accurate evaluation of vegetation index data that span several decades. An accuracy assessment of the methodology and results from this study was performed using field-collected crop data from the 2008 growing season. The comparisons with field data indicate that the accuracy of the remote-sensing-based estimates of historical irrigated area is very good, with rates of false positives (areas identified as irrigated that are not truly irrigated) of only about 4%, and rates of false negatives (areas identified as not irrigated that are truly irrigated) in the range of 0.6-2.0%."
Language:English
References:22
Note:Maps
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Jordan, D. L., and P. Barroll. 2013. Multi-decadal remote-sensing analysis of irrigated areas in the Lower Rio Grande valley, New Mexico. Water Resour. Bull. 49(3):p. 484-497.
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DOI: 10.1111/jawr.12052
Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/jawr.12052/full
    Last checked: 12/11/2013
    Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/doi/10.1111/jawr.12052/pdf
    Last checked: 12/11/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: b2206946~S1a
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