||The Mekong River is the world’s twelfth largest river. It starts from China and flows through|
Myanmar, Lao PDR, Thailand, Cambodia and ends in the South China Sea in Vietnam.
Coming to Vietnam, the river is naturally divided into two main streams; Hau River and Tien
River, and a series of canals are also originated from these two rivers, this creates here a
large delta with name “the Mekong Delta” or “the Cuu Long Delta” in Vietnamese language.
The Mekong Delta in Vietnam is one of the largest deltas in Asia with area of around
49,520km2, and covers thirteen provinces. It has advantageous position, plentiful natural
resource, and keeps important role for developing economy both region and nation,
especially crop product and aquiculture.
However, in recent years, people here have to resist natural disasters as flood, drought, and
landslide, these make environment and life of the region changed seriously. One of the
causes of the disasters is riverbanks change of Tien and Hau river as land erosion and
accretion that are influenced by both natural process and man-made activities.
This study used Landsat satellite images of years 1972, 1989, and of years from 2000 to
2005, and Remote sensing & GIS techniques to detect changes of riverbanks of Tien and
Hau river in periods; 1972 – 1989, 1989-2000, 2000- 2005, and 1972 - 2005. In addition, the
study found main reasons and effects of land erosion and accretion in these rivers, and also
carried out remedies for riverbanks protection works.
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