Islam, Md. Sirajul creator Subin Pinkayan Chairperson Ackermann, Norbert L. Examination Committee Arbhabhirama Anat Examination Committee Asian Institute of Technology, eScholarship Donor text Bangkok Asian Institute of Technology 1971 monographic

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53 leaves Areal 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. A thesis submitted in partial fulfillment of the requirements for the Degree of master of Engineering of the Asian Institute of Technology, Bangkok, Thailand. Thesis (M.Eng.) - Asian Institute of Technology, 1971 Rain and rainfall Thailand Bangkok Asian Institute of Technology. http://203.159.5.9/ait-thesis/detail.php?q=B24439 http://203.159.5.9/ait-thesis/detail.php?q=B24439 20260817163224.0