Delta National Park

Entries for tag "subsidence"

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	Fishing in a flooded island Fishermen within what was once Mildred Island, lost to a levee breach years ago and never reclaimed by its owners. There are several flooded islands in the Delta, most notably Franks Tract, which is now a state park.
	Scour pond, Webb Tract Scour pond on Webb Tract. There are dozens of scour ponds in the Delta, each marking the site of a levee breach.
	Water above land Photograph showing the typical, inverted relationship between land and water in the Delta.
	Tree at water’s edge This image is an effective illustration of subsidence.
	Tree and barge Another illustration of subsidence.
	Lower Delta topography The topography of Mandeville and Bacon Islands and Holland Tract, to -20’ below sea level. Darker color represents lower elevation.
	Levee Section Diagram - Land, Levee and Water This photomontage describes the predicament that the Delta’s physical form puts those who are responsible for its future. Note the height of the land relative to the water.
	Flooded field, Bacon Island When their fields are fallow, farmers often allow their fields to take on some water. This keeps the ground from subsiding and allows migrating birds to forage.