https://m.slashdot.org/story/337699
"In total, researchers found that Antarctica lost roughly 1,929 gigatons of ice in 2015, which amounts to an increase of roughly 36 gigatons per year every year since 2008. (A gigaton is one billion tons.) Nearly 90% of that increase in loss occurred in West Antarctica, "probably in response to ocean warming," according to NASA. The new data analysis mostly confirms other recent research, but does so with a higher degree of precision by using a new technique that can process a larger amount of satellite data than was possible before.
West Antarctica has been losing a lot of ice in recent years, and at an ever-growing pace, while East Antarctica is losing ice more steadily. The West Antarctic ice sheet is of particular concern because, like a building that stands on an uneven foundation, it is inherently unstable, making it especially vulnerable to the warming climate. If the entire ice sheet were destabilized and melted into the sea, researchers estimate it would lead to 3 meters (9 feet) of sea level rise globally."
I have been congratulating myself for living 100 miles inland at 230' where I will be unaffected by sea level increases but some checking around suggests that if Columbia river levels rise 9', then Portland becomes just as vulnerable to massive city wide flooding as Houston is today and we all know how that turned out . . . our floods will be from high river + heavy rainfall conditions causing levee and riverwall overtopping.
If sea levels and hence inland waterway and coastal river levels rise 9' how will your flooding risk change if at all?