The Red River Delta (hereafter as RRD) is one of the two biggest deltas in Vietnam with the population is 19,625 million persons in 2009. It is also the most populous area with the population density of 932 person/km2 in 2009 (General Statistics Office, 2010). Tien Hai District of Thai Binh Province locates in the eastern part of the RRD, lies in the coastal zone - a sensitive area and affected by the interaction between the mainland and the South China Sea (in Vietnamese as Biển Đông - East Sea). The study area of this research is Van Truong.
