Sentence examples for rip rap from inspiring English sources

The water flows first through a bio-swale, which is essentially a drainage ditch with gently sloping sides and rip rap and vegetation that catches silt and sediment.

Not just the cottonwoods and rip rap, or the towns along its shores.

Fossils of sea shells and marine animals are common in the limestone used in highway construction, from grade aggregate, which is small pieces usually less than 2 inches (5.1 cm) across, to rip rap boulders used to stabilize drainage ditches.

Rip rap, large, angular rock that helps stem erosion of the banks, apart from being generally unsightly, can cause problems downstream.

In the 1980s and 1990s a sea wall was built around Weymouth Harbour and along the coast road in Preston; a rip rap groyne in Greenhill and beach nourishment up to Preston have created a wide and artificially graded pebble beach, to ensure that the low-lying land around Lodmoor does not flood.

Interviews with workers from Trout Headwaters taking inventory of rip rap along the river, and with frustrated ranchers desperate to stop the erosion of their property, reveal some of the challenges of striking a balance on the Yellowstone -- the health of the river and its immediate surroundings on one hand, and the interests of those whose livelihood depends on that river on the other.

Artificial substrates are omnipresent today in most estuaries mostly in form of massive rip-rap used for groynes and jetties.

After the mattresses are in place, the contractor will move in boulder-like structures made of crushed rock, called rip-rap, weighing from 250 to 5500 pounds.

A field trip one afternoon for symposium participants included viewing a man-made sturgeon spawning area -- rock rip-rap at a bend in Lake Winnebago's tributary, the Wolf River.

The results highlight that land-use decisions, in particular urban planning and management that occurred in the 1960s and 1980s, along with design flaws in the flood defence infrastructure, in particular the rip-rap and reins built after the 1993 event, were responsible for the many collapses and damage suffered during the flood of 2000.

In a field survey, we used 29 sites throughout the Lynnhaven River System, a highly developed yet productive subestuary of Chesapeake Bay, to determine effects of shoreline type (natural marsh, oyster shell reef, rip-rap, and bulkhead), sediment characteristics (grain size and total organic carbon and total nitrogen), and predators on benthic infaunal density, biomass, and diversity.