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035 _a.b11488931
099 9 _aAIT Thesis no. 318
100 1 _aIslam, Md. Sirajul
245 1 0 _aAreal distribution of short durations rainfall over Bangkok
260 _aBangkok :
_bAsian Institute of Technology,
_c1971
300 _a53 leaves
490 1 _aThesis ;
_vno. 318
500 _aA thesis submitted in partial fulfillment of the requirements for the Degree of master of Engineering of the Asian Institute of Technology, Bangkok, Thailand.
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1971
520 _aAreal variations of short duration rainfall of {u00BD}-hr., 1-hr., 2-hr. and 24-hr. are examined in terms of inter-station correlations over Bangkok having an area of 300 km². Since the number of automatic recording gages are not sufficient to describe the areal patterns of the first three durations, a method of reducing the daily records of the standard raingages to these durations is used. Inter-station correlation coefficients are computed for the 55-raingage network. They are then transformed to the Fisher's z-values. These transformed coefficients of correlation are found to diminish gradually with distance. The variation is reasonably explained for all the four durations by the selected functions: z = Ae -Bx and Z = C + D tn x , where Z is the transformed coefficient of correlation, x is the interstation distance in kms, and A,B,C,D are coefficients.
650 1 0 _aRain and rainfall
_xThailand
_xBangkok
700 0 _aSubin Pinkayan,
_eChairperson
700 1 _aAckermann, Norbert L.,
_eExamination Committee
700 1 _aArbhabhirama Anat,
_eExamination Committee
710 2 _a Asian Institute of Technology, eScholarship Donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. 318
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B24439
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