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Long-term-discharge Analysis Using the EPA Method for the Tana River in Kenya

Hiromu Okazawa、Hiromichi Toyoda、Shinji Suzuki、Sawahiko Shimada、Ryuzo Nishimaki

2009沙漠研究 : 日本沙漠学会誌Environmental Science被引 1

摘要

The Tana River is Kenya’s largest river, with a length of 1,000 km and a catchment area of 95,000 km, and that has one of the famous drainage basins in the country. This study aims to clarify the trends in the long-term-discharge based on hydrological records of the Tana River for the past 52 years. The long-term-discharge data of the Tana River show that the discharge of the river has been increasing every year since 1988. The annual maximum discharge of the Tana River has been increasing since 1983, and the maximum discharge during the wet season (October to December) has been increasing. In recent years, it is probable that the occurrence cycle of heavy rainfall has shortened, and it is estimated that flooding will become more frequent.

引用本文（GB/T 7714）