Rahmstorf And His Anti-Science Crowd

Most of the apparent sea level rise seen along the Atlantic Coast of the US is due to post-glacial rebound. The area around Lake Superior is rising as the coastline falls.

Rahmstorf and the USGS have been trying to blame global warming, but as usual have no idea what they are talking about. One might expect that the USGS would understand the fundamentals of geology, but that doesn’t appear to be the case.

The geological evidence for postglacial rebound is mainly based on tilted or uplifted shoreline features. Shorelines of ice-marginal lakes or seas are assumed to have formed horizontally. Where such features are now tilted, this reveals crustal warping associated with rebound–see Fig. 9-7. Uplifted marine deposits are particularly important for establishing the amount of postglacial rebound of coastal sites since deglaciation–see Figs. 9-8 and 9-9. In like manner, the glacial forebulge subsides when the ice mass is reduced or removed. For example, the Atlantic Ocean is encroaching on the Chesapeake Bay region at a rate of about 30 cm per century (Colin 1996). Similar subsidence is taking place in southern portions of the Baltic and North Seas in Europe.

ES 331/767 Lecture 9

h/t to Ben

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One Response to Rahmstorf And His Anti-Science Crowd

  1. TimoH says:

    Opposite is happening in Greenland, sea floor and coastline bounds because middle falls, there was much less ice thousands of years ago.

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