why the world’s rivers are losing sediment and why it matters

Why the World’s Rivers Are Losing Sediment and Why It Matters

“Ten or twenty years ago most wetlands scientists in most places viewed sediment as a negative,” says Richard Ambrose, a marine ecologist at the University of California, Los Angeles. “Too much sediment would come in and bury the marsh. Now people realize sediment is a resource, and we need it to keep up with sea level rise.”