Abstract:

Quang Binh - Quang Tri coast region includes the rivers which originate in the Eastern Truong Son Range. The characteristic of river systems are short and slope current, crossing to narrow plan before emptying into East sea. The result of remote sensing analysis combines to field trip data indicated that Quang Binh - Quang Tri estuary region was changed in a wide range with major trend to soil erosion. The erosive process is being impacted by North East monsoon in Winter is stronger than South East monsoon in Summer. Affecting factors to vary coastline related to natual evolutionary process of coastline and human impact. In there, the major causes of estuarine erosion or deposit have come from one of 3 factor groups: internal and external causes and human impacts or the combination of these factor groups