Mapping Louisiana's disappearing shoreline

Tue, 19 Sep 2017 11:38:19 -0400

A new map of subsidence rates is helping scientists and policymakers chart land loss along the Louisiana coast. Credit: Nienhuis et al., GSA Today, June 2017.

Since the 1930s, Louisiana has lost an area of coastal wetlands larger than the state of Delaware. A new map, published in GSA Today, charts the land loss from a combination of man-made and natural factors, including reduced sediment flow from the Mississippi River, land subsidence and sea-level rise.

Local coastal impacts underestimated from sea-level rise

Thu, 05 Jan 2012 06:41:58 -0500

Most studies indicate that sea levels will rise over the next century due to melting glaciers, more ice breaking off the Antarctic ice sheet and thermal expansion — and there is great variation in how much scientists estimate seas will rise. But that’s not even the most important question, according to a new study. Instead, researchers should be looking at relative sea-level rise — how much rising seas will affect individual regions. And when you break it down by region, the study suggests, the outlook isn’t promising.

Gulf Coast on EARTH Magazine

Mapping Louisiana's disappearing shoreline

Local coastal impacts underestimated from sea-level rise