... air-dust and other pollutants deposited in the house-roofs after a long period of dry season. • Freshwater from river and canal is widely used in the upper parts of the delta, where the water ... organisations such as WB, ADB, UNICEF, UNDP and donor nations such as Finland, Denmark, France, Japan, the Netherlands, Australia, Sweden, South Korea and Germany. Looking at urban markets anywhere, ... in the river branches is very complicated. The main factors that determine this process are river discharges, local rainfall and runoff, the tides and the depth of bars in the sea in front of...