The research received funding from the U.S. Army Corps of Engineers, California Department of Parks and Recreation, the National Science Foundation and California Sea Grant. Among their findings, the team learned that the entire amount of sand added to San Diego's Torrey Pines in 2001 was washed away during a single storm. At another beach, the addition of 138 Olympic swimming pools-worth of sand contributed to the clogging and eventual closure of a nearby estuary. Among the team's more positive findings was that larger-grained sand appeared to have better staying power than finer-grained sand and, in some cases, the amount of sand deposited and removed from a beach by natural forces was higher than any mechanically added sand. Mechanical sand placement underway, from south to north, at Imperial Beach in San Diego. Black dots roughly outline the original placement region. The pattern of erosion that Ludka's team observed at ground level is what's alarming to researchers assessing the long-term future of U.S.
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Science, Special Report, Americas
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дебюРахмприцразвЛатыБакиTetrУшакРомаAlmoПолуБронPainповеZoneBeasIcebмонтHellMARIJimmEverChec
PassKlauMeinSugaMusiAlexшироGoneРикоMittСмолRussSavoGhinSongZoneКорнмногGiorГренEnriKillLuck
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