Weirs in a sentence

A widely used application for environmental water is to raise water levels in rivers and weirs to inundate new hard surfaces to grow new biofilms.

The cost of this bike-path “project” would instead, if it was spent on the actual river course, make a magnificent start to dredging the river and putting in “weirs” to make the river look like something to be proud of.

The ongoing work to remodel weirs and repair sluices would prevent threat of breaches during monsoon.

Five rock weirs spaced about 40 feet apart along 200 feet of the stream channel will replace the dam.

The alternative is to rely on small privately owned weirs which do not have capacity to supply the city with water.

Along its course are 45 navigation locks with accompanying weirs.

Although to spectators the canal appears to be a deep waterway in these city centres, its depth is maintained by weirs and the canal is all but dry where it passes through the surrounding countryside.

A number of weirs on the river had to be made passable to allow fish to ascend the river.

A system of pumping stations, canals, weirs and gates allows it to increase or decrease the water level in a network of ditches and thereby control the water table.

Construction of the remaining weirs purely for navigation purposes was abandoned in 1934.

However, navigation was increasingly impeded by weirs and mills, and in the 14th century the river probably ceased to be navigable for heavy traffic between Henley and Oxford.

In the early 19th century, the government of Upper Canada found it necessary to introduce similar legislation prohibiting the use of weirs and nets at the mouths of Lake Ontario's tributaries.

Peter Ackroyd, Thames: The Biography. 275. Salmon, which inhabit both environments, have been reintroduced and a succession of fish ladders have been built into weirs to enable them to travel upstream.

Some time around the 12th century weirs were added along the river, taming these rapid flows.

The river also features numerous locks and weirs that help mitigate its flow from convert in elevation at its source near the German border to convert at its mouth in Mělník.

The weirs can be completely removed, and the locks completely covered by water during flood conditions.

They work as fixed weirs at times by allowing over-flow for common floods.

This discharge distribution has been maintained since 1709 by river engineering works including the digging of the Pannerdens canal and the installaton, in the 20th century, of a series of weirs on the Nederrijn river.

Underwater weirs redirect the most damaging currents, and the top of the falls have also been strengthened.

Weirs placed at strategic points along the Sacramento River release water into the bypasses when the river reaches a certain stage, relieving the pressure of floodwaters on the main channel.