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Comparison of different irrigation methods based on the parametric evaluation approach in the plain West of Shush, Iran
Author(s) -
Albaji Mohammad,
Nasab Saeed Boroomand,
Kashkoli Hydar Ali,
Naseri Abdali
Publication year - 2010
Publication title -
irrigation and drainage
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.421
H-Index - 38
eISSN - 1531-0361
pISSN - 1531-0353
DOI - 10.1002/ird.520
Subject(s) - drip irrigation , irrigation , environmental science , surface irrigation , soil texture , hydrology (agriculture) , limiting , soil science , soil water , geology , agronomy , engineering , geotechnical engineering , mechanical engineering , biology
Abstract The main objective of this research was to compare the suitability of land for surface and drip irrigation methods according to a parametric evaluation system in the plains west of the city of Shush, in south‐west Iran. After analysing and evaluating soil properties, suitability maps were generated for both methods by means of remote sensing (RS) and a geographic information system (GIS). The results showed that 9031 ha (21.5%) of the studied area was highly suitable for surface irrigation methods, whereas 32 500 ha (77.5%) of the study area was highly suitable for drip irrigation methods. Also some land units covering an area of 2111 ha (5.0%) were not suitable to be used for surface irrigation systems. One land unit with an area of 724 ha (1.7%) was classified as not suitable for drip irrigation systems. Moreover, the results indicated that a larger amount of the land (30 100 ha – 71.8%) can be classified as more suitable for drip than surface irrigation. Ultimately, the application of a drip irrigation system was suggested as the best method to be applied to the study area. The main limiting factors in using surface irrigation methods in this area were sandy soil texture and slope; moreover, for drip irrigation methods, the main limiting factor was soil calcium carbonate. Copyright © 2009 John Wiley & Sons, Ltd.