International Conference on Rain Water Cistern Systems
"Rainwater Catchment for Future Generations"
Keelung, Taiwan, R.O.C. - August 1991
10: Country Reports and Future Outlooks
Utilization Of Rain
Water For Domestic Activities In Thaibinh And Nghetinh Provinces In Vietnam
Van Tuan & Le Van Lanh
Hanoi University, Vietnam
I. Physical geological
characteries of Nghetinh and Thaibinh provinces in relation with the water supply.
1. Physical geological conditions of Thaibinh province. - Geological position:
Thaibinh is one of the provinces situated near by the sea in Bacbo plain (fig
1). Three sides of it are large rivers: Red River, Luoc River making natural border
between Thaibinh and Haihung at the North and Thaibinh and Hanamninh at the South.
Its Eastern side faces Biendong sea.
The area of this province is 1495 Km2. Population is about 1,539,500 people
with a density of 1022 people/Km2.
Topography of Thaibinh
It is a province in the plain in the Red River estuary. It's Topograph is out
by the rivers and streams outside as well as inside: Red River, Luoc River (outside),
Trady, Hoa Rivers (inside) and a lot of ponds marshland, lakes. Density of rivers
is about 0.25 Km/Km2.
The area of all lakes and marshland is 11044 ha and the lenght of canels is
over 45 Km. It's has over 50 Km coast line. It means that salinity intrusion into
the land goes throughout the province. So salinity takes place nearly everywhere
of the province.
Thaibinh is one of coastal provinces in the tropical and mosoon zone. It's
rainfall is rather high. It often happens together with storms. The rainy season
costs for 6 months (May to October) and the rest six months belong to the dry
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