Sentence examples for channel maintenance from inspiring English sources

The Environment Agency has … reduced the extent of their watercourse channel maintenance and taken steps to stop operating a number of structures and systems.

Initial construction, subsequent dredging for channel maintenance, and the associated ship traffic would result in irreversible changes to the already over-exploited and stressed environment.

By the time an even more ambitious plan the Missouri River basin program called the Pick-Sloan plan was adopted in the 1950s, channel maintenance had enabled commercial barge lines to begin operating on the Missouri in 1953.

This study assesses the effects of the channel maintenance dredging, performed between October 2004 and August 2005, on the invertebrate assemblages both in channels and adjacent ponds in the northern Adriatic coastal lagoon of Pialassa Baiona.

Ship channel maintenance is an issue in many places, but so is the construction of groins, jetties and sea walls – all structures that appear to slow beach erosion but have been shown in scientific studies to make it worse over a longer time frame.

Greater sustainability is achieved when recycled material is used for filling, such as the use of some 2 Mm3 of material dredged as a part of normal navigation channel maintenance from the Delaware River in the construction of a new commuter airline runway at Philadelphia International Airport.

These results question assumptions on the relative importance of small floods or channel-maintenance flows that lead to beneficial scour around large wood in sand-bed streams.

A link between the membrane ion channel and maintenance of the Ca2+ level at the rear of the cell was demonstrated by treating T cells with 2-APB resulting in a substantial decrease in visible Ca2+ (Fig. 3E).

Thirteen of the 27 acquired transporter genes in Monosiga are responsible for ion transfer, such as the Ca2+/cation antiporter (CaCA) family participating in Ca2+ homeostasis and signaling [ 62] and the potassium inwardly-rectifying channel for maintenance of K+ homeostasis [ 63].

"Just like roads, shipping channels require maintenance to keep ports operating effectively," the ports authority said.

Even though the advent of new technologies has introduced a number of new communication channels, the maintenance of relationships still requires investment of considerable time and effort [31 33].