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Flooding in Southeast Asia
This page contains archived content and is no longer being updated. At the time of publication, it represented the best available science. However, more recent observations and studies may have rendered some content obsolete.
In mid-November 2011, floods were receding in Thailand’s historic city of Ayutthaya, but only slowly. Large areas of standing water remained. The Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite captured the top image on November 13, 2011, and the bottom image on October 23, 2011.
Both images show flooded conditions, but a close comparison shows that the water levels have dropped slightly in some areas by mid-November. Route 32, partially underwater in late October, appears largely dry weeks later. Muddy water has retreated slightly from land southwest of the curving Chao Phraya River in mid-November, and dark flood water is less prevalent in the city center. Nevertheless, substantial flooding remains.
Situated along the Chao Phraya River north of Bangkok, Ayutthaya is a United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage site. Founded in the fourteenth century, the city is now a major draw for tourists. By mid-November 2011, some city attractions had reopened, according to news reports, including Wat Phra Si San Phet and a major elephant park.
NASA Earth Observatory image created by Jesse Allen, using EO-1 ALI data provided courtesy of the NASA EO-1 team. Caption by Michon Scott.
Acquired in late October and mid-November 2011, these images document the slow withdrawal of flooding from the historic city of Ayutthaya, Thailand.