A GIS precipitation method for analysis of storm kinematics

被引:21
作者
Tsanis, IK [1 ]
Gad, MA [1 ]
机构
[1] McMaster Univ, Dept Civil Engn, Hamilton, ON L8S 4L7, Canada
关键词
precipitation; interfolation; kriging; visualisation;
D O I
10.1016/S1364-8152(00)00068-2
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
This paper describes a program developed within Arc-Info GIS as a set of Arc-macros that can be used to identify storm characteristics from a set of rainfall gages through visualization. Three different interpolation techniques, spline, inverse distance weighted and kriging are used to visualize the spatial distribution of rainfall. An automated process using Mpeg technology that displays the storms in a movie sequence was developed to analyze the storm characteristics, i.e. speed and direction. The functionality of this method is illustrated through a case study on Hamilton-Wentworth Region in Ontario, Canada. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:273 / 281
页数:9
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