Even then, the surge of water from the drainage canal itself will cause significant flooding, especially along the heavily populated Chengdu basin.
They also noted the "potential for feces to enter and flow from the drainage canal running through the camp directly" into the tributary.
The main streets, the business district and the train station are swept every day, which keeps debris from the drainage system and therefore the bay, said Skip Gardner, the highway superintendent.
This area actually has the highest stream density in China: within it, no place is more than 300 feet (90 metres) from the drainage system of Lake Tai (the southern shore of which forms much of the Jiangsu-Zhejiang border).
The waste pipe of every plumbing fixture is provided with a semicircular reverse curve, or trap, which remains constantly filled with water and prevents odours from the drainage system from escaping into occupied spaces.
That part of the river confined by valley walls, termed the alluvial plain, serves as a conduit through which sediment and water derived from the drainage basin are brought to the sea.
But most originates from the drainage of hundreds of thousands of farms and the exhaust of millions of petrol and diesel engines.With these "non-point" sources, identifying the polluter is impossible.
Some indication of the world picture may be gained from the drainage census in the United States of 1959, which showed that about 92,000,000 acres (37,200,000 hectares) were drained through organized projects, about 10 percent of the land in agriculture.
Figure 13 shows the capillary numbers obtained from the drainage experiments for the three fracture configurations.
On postoperative day (POD) 5, a turbid discharge was observed from the drainage.
It is because floodwater from the drainage ditches on either side of the A361 have flowed on to the carriageway.
