UNESCO/IHE - Tidal irrigation and drainage

UNESCO/IHE - Tidal irrigation and drainage

The idea is to utilize high tides for irrigation and low tides for drainage and flushing, instead of using hydraulic structures (e.g. weir, dam or pumps). The innovative thinking is inspired by Banjarese and Buginese people in Kalimantan and Sumatra who reclaimed already tidal lowlands by using a simple technology. Optimizing tidal irrigation by using proper knowledge and technology has resulted in improved agricultural development and supported food security programmes in Indonesia.

Indonesia has large lowland areas with an estimated area of about 34 million ha, out of which about 20 million ha is tidal lowland.

Contact: Sur Suryadi (f.suryadi@unesco-ihe.org)

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