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008 160330s2014 th uu|m rtt 0| a1eng d
035 _a.b12157107
099 9 _aAIT Thesis no.WM-14-09
100 1 _aThilakarathne, Bandara Mudiyanselage Madusanka Nuwan
245 1 0 _aAnalysis of dry and wet spells under climate change scenarios :
_ba case of the Upper Mun River Basin, Thailand
260 _aPathum Thani, Thailand :
_bAsian Institute of Technology,
_c2014
300 _a71 leaves :
_bill.
490 1 _aThesis ;
_vno. WM-14-09
500 _aA thesis submitted in partial fulfillment of the requirements for thedegree of Master of Engineering inWater Engineering and Management
502 _aThesis (M. Eng.) - Asian Institute of Technology, 2014
520 _aThe study aims to analyze the dry and wet spells using Standard Precipitation Index (SPI) with climate change in the future. The dry/wet spells were recognized by selecting truncation levels for dry spells and wet spells respectively. The characteristics of dry/wet spells were examined by theory of runs as magnitude and duration. The appropriate timescale for identification of dry and wet spells was selected by examining SPI series for historical records. Further study was conducted using the selected time as three months for the SPI calculation. The most appropriate distribution model for each characteristic was chosen using Akaike Information Criterion (AIC) and Bayesian InformationCriterion (BIC). The return period analysis is conducted for each characteristics of dry/wet spells. The futureprecipitation datawasacquiredusing six Global Climate Models (GCMs). Quantile mapping withempirical quantiles was used in thebias correction of the precipitation data of six climate models. The analysis revealed that there is a tendency of reducing dry spell magnitude and duration in the future. The increase of wet spell magnitude in far future was shown in the results.
650 0 _aClimatic change
_zMun River Basin (Thailand)
700 1 _aBabel, Mukand Singh,
_eChairperson
700 1 _aJourdain, Damien,
_eExamination committee
700 1 _aKawasaki, Akiyuki,
_eExamination committee
700 0 _aSutat Weesakul,
_eExamination committee
710 2 _aWEM Project,
_eScholarship donor
710 2 _aAIT Fellowship,
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. WM-14-09
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B04388
907 _a.b12157107
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_cz
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962 _a000:001:PDF:b1215710:002479:0:0:0:0:0:0
_tAbstract--AIT Thesis no.WM-14-09
_vn
945 _lmnait
945 _lmnait
945 _lmnarc
942 _c20
942 _c40
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