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Topic: PotHoles Reservoir

	Science Program > Issues in Ecology > (Site not responding. Last check: 2007-10-23)
		Worldwide, the replacement cost of reservoir capacity lost to siltation is estimated at $6 billion per year.
		Floodplain forests and high salt marshes, for example, slow the flow of floodwaters and allow sediments to be deposited within the floodplain rather than washed into downstream bays or oceans.
		In addition, isolated wetlands such as prairie potholes in the Midwest and cypress ponds in the Southeast, serve as detention areas during times of high rainfall, delaying saturation of upland soils and overland flows into rivers and thereby damping peak flows.
	www.esa.org /science/Issues/TextIssues/issue2.php (8382 words)

	Evidence of the Flood in Franklin County
		As he wondered at the geological marvels of Dry Falls, Grand Coulee, and the Potholes, it seemed to him that these features had to have been made by enormous volumes of water flowing across the land in the distant past.
		Although at first he didn't know where the water could have come from, he published a scientific paper in which he proposed his theory of widespread flooding in the Columbia Basin.
		This vast reservoir of water, named Lake Missoula by the geology "detectives," then suddenly broke through the ice dam and emptied out within a matter of days.
	www.nwcreation.net /articles/evidenceoftheflood.html (4188 words)

	Small Science Will Bring Big Changes To Roads
		“A future in which cracked bridges and potholes repair on their own, guardrails realign automatically after impact, bridges adjust their shapes to control movement caused by winds, and metal structures self-clean to avoid corrosion are among the advances in highway technology under forecast by scientists,” the FHWA reported in summer 2003.
		For now, exciting, science-fiction applications such as self-healing potholes remain just tantalizing prophecies.
		“The high fraction of anhydrous [lacking water] material left after the reaction with the water used in the initial mix is a reservoir for further hydration.
	www.betterroads.com /articles/jul04a.htm (4358 words)

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