... system.4 3. Bui Nam Sach, Water resources planning for the key North economic region, Water Resources Journal – Viet Nam Water Resources Associaiton, series 1 - 2006, page 19- 22.4. Bui Nam Sach, ... Level Rise” is urgent that Viet Nam together with other countries should cope with.In researches by IPCC, UNDP on CC scenarios, atmospheric aerodynamic and hydrodynamic models for oceans were ... Quang Vinh, Bui Nam Sach, Some issues on water-logging in the Red River Delta, Intramural magazine of the Water Resources University, November 2000, page 60-64.2. Le Quang Vinh, Bui Nam Sach, Study,...