Temporal Distribution of 24-hour Maximum Rainfall
Journal Title: International Journal of Engineering and Science Invention - Year 2017, Vol 6, Issue 7
Abstract
Rainfall measurements are an important input to hydrological modeling or design of water structures. For example, while average flows and hence average rainfalls are effective in planning a hydroelectric power plant, minimum rainfall for drought analysis studies and maximum precipitation for flood analysis studies are important. Rainfall measurements can be conventionally measured with devices called pluviometers and pluviographs. The main difference between the two devices is that the pluviometer measures rainfall at certain intervals (generally every 24 hours) while the pluviograph continuously records the amount of the rainfall. With this feature pluviographs are of great advantage in achieving the temporal distribution of rainfall and thus determining the rainfall amount in certain standard durations (5min, 10min, …, 1h, …, 18h, 24h). In this study, an empirical approach was investigated in order to determine the temporal distribution of 24-hour rainfall. By determination of the temporal distribution of rainfall, the rainfall depth of a standard duration can be calculated using the data of a pluviometric station (with a 24-hour rainfall record).
Authors and Affiliations
Omer Levend Asikoglu
Keywords
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