Exxon Valdez: 25 Years Later

Exxon Valdez: 25 years later.

AFTER I WAS CALLED UPON IN 2010, AS DIRECTOR OF THE U.S. GEOLOGICAL SURVEY, TO HELP WITH well control and fl ow estimation for the Deepwater Horizon (DWH) oil spill, I reviewed what had been learned from the Exxon Valdez (EV) oil spill. Although EV and DWH differed in their spill characteristics and impacts, I suspected that insight gained in the decades since EV could help guide how to best in...

Exxon Valdez Oil Spill

Pristane (2,6,10,14-tetramethylpentadecane) concentrations in mussels (Mytilus trossulus) increase abruptly during spring in Prince William Sound (PWS), Alaska. This increase is mainly due to ingestion by mussels of pristane-laden feces produced by near-shore zooplanktivores, especially juvenile pink salmon (Oncorhynchus gorbuscha). Examination of the trophic and temporal distribution of prista...

Exxon Valdez Oil Spill

This project investigated population status, habitat use and trophic interactions of harbor seals in Prince William Sound (PWS), Alaska. Aerial counts to monitor population trend indicated a 3.3% annual decline during 1990-1999. Counts were 20% lower in 1999 than in 1990, and >50% lower than in 1988. We sampled 390 seals during 1992-2000 and satellite-tagged 47 non-pups and 27 pups. Most tagged...

CBCD: 25 years later!

In 1988, a handful of idealists led by Prof. Dr. Henrique Walter Pinotti then Head Professor of Digestive Surgery, Faculty of Medicine, University of São Paulo founded an prestigious organization that today all know, which is the BRAZILIAN COLLEGE OF DIGESTIVE SURGERY CBCD. These selfless whose naes can be seen in Figure 1, are or were university professors committed to the teaching of General ...

Exxon Valdez Oil Spill Restoration Plan