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Information Seminar Paper

Title

UNDERGROUND WATER QUALITY MONITORING USING ANALYTICAL HIERARCHY PROCESS

Pages

 Start Page | End Page

Abstract

FLOOD SPREADING IS A SUITABLE STRATEGY FOR CONTROLLING AND BENEFITING FROM FLOODS. SELECTING SUITABLE AREAS FOR FLOOD SPREADING AND DIRECTING THE FLOODWATER INTO PERMEABLE FORMATIONS ARE AMONGST THE MOST EFFECTIVE STRATEGIES IN FLOOD SPREADING PROJECTS. HAVING COMBINED GEOGRAPHIC INFORMATION SYSTEMS (GIS) AND MULTI-CRITERIA DECISION ANALYSIS APPROACHES, THE PRESENT STUDY SOUGHT TO LOCATE THE MOST SUITABLE AREAS FOR FLOOD SPREADING OPERATION IN THE GARABAYGAN BASIN OF IRAN. TO THIS END, THE DATA LAYERS RELATING TO THE EIGHT EFFECTIVE FACTORS WERE PREPARED IN GIS ENVIRONMENT. THIS STAGE WAS FOLLOWED BY ELIMINATION OF THE EXCLUSIONARY AREAS FOR FLOOD SPREADING WHILE DETERMINING THE POTENTIALLY SUITABLE ONES. HAVING CLOSELY EXAMINED THE POTENTIALLY SUITABLE AREAS USING THE PREFERENCE RANKING ORGANIZATION METHOD FOR ENRICHMENT EVALUATIONS (PROMETHEE) II AND ANALYTIC HIERARCHY PROCESS (AHP) METHODS, THE LAND SUITABILITY MAP FOR FLOOD SPREADING WAS PRODUCED. THE PROMETHEE II AND AHP WERE USED FOR RANKING ALL THE ALTERNATIVES AND WEIGHTING THE CRITERIA INVOLVED, RESPECTIVELY. THE RESULTS OF THE STUDY SHOWED THAT MOST SUITABLE AREAS FOR THE ARTIFICIAL GROUNDWATER RECHARGE ARE LOCATED IN QUATERNARY QG AND QGSC GEOLOGIC UNITS AND IN GEOMORPHOLOGICAL UNITS OF PEDIMENT AND ALLUVIAL FANS WITH SLOPES NOT EXCEEDING 3 %. FURTHERMORE, SIGNIFICANT CORRESPONDENCE BETWEEN THE PRODUCED MAP AND THE CONTROL AREAS, WHERE THE FLOOD SPREADING PROJECTS WERE SUCCESSFULLY PERFORMED, PROVIDED FURTHER EVIDENCE FOR THE ACCEPTABLE EFFICIENCY OF THE INTEGRATED PROMETHEE II-AHP METHOD IN LOCATING SUITABLE FLOOD SPREADING AREAS.

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