Word: silting
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...Rose moldered for 437 years in the chilly waters of the Solent, as the nautical avenue between the Isle of Wight and Portsmouth is called. Time and tide did their work: after centuries of erosion, only the starboard half of the warship's timbers remained intact in their silt-laden grave. But those blackened beams were more than enough last week to provide yet another spectacle for royal eyes. Under the anxious gaze of Prince Charles and thousands of ordinary Britons, the remains of the Mary Rose emerged from the Solent in the embrace of a specially molded...
...aquifer is a California-size deposit of water-laden sand, silt and gravel. It ranges in thickness from 1,000 ft. in Nebraska, where two-thirds of its waters lie, to a few inches in parts of Texas. Although it was first tapped in the 1930s, it has been extensively exploited only since the development of high-capacity pumps after World War II. The Ogallala's estimated quadrillion gallons of water, the equivalent of Lake Huron, have irrigated farms in South Dakota, Nebraska, Wyoming, Kansas, Colorado, Oklahoma, Texas and New Mexico, changing a region of subsistence farming into...
...much topsoil in the area but thick forest held the ground and rainwater tumbled down innumerable streams hidden in extremely steep valleys. But during and after mining, when the trees and topsoil are gone, water flows straight down the hillside, taking a good portion of the mountain with it. Silt has filled in many-of the area's streams, and the water table is deteriorating as previously reliable wells run dry. Martiki has built a large silt dam to capture the dirt in water running off the mining site, but even company engineers admit they can't trap...
...still rings true, an apt metaphor for a region blessed by God and not yet ruined by man, is the sturdy mangrove. It is found nowhere in the U.S. but Florida. With its gnarled roots stretching down into salty water that would kill most other plants, the mangrove traps silt, shelters wildlife and otherwise improves whatever it touches. Through boom and bust, hurricanes and real estate development, the mangrove has stood its ground. South Floridians surely will too. ? By James Kelly. Reported by Bernard Diederich and William McWhirter/Miami...
...capital crime among the Incas.) The winding route from the heights down into the lower slopes was designed to divert enough water to wet the terraced plots without overflowing or bursting through the stonework. Maintenance teams had to patrol the waterways year-round to keep them clear of silt and rubble. In the 16th century the Spanish came, dreaming of El Dorado, and forced farmers to harvest gold instead of maize. Irrigation systems like the one in Patallacta were let go. Soldiers and farmers moved away. The canals were all but forgotten...