Earth Sciences

The growth of the terrorism threat to the nation’s security has created significant strategic challenges for U.S. armed forces in fighting this global war on terrorism (GWOT). For the Navy, the challenges have centered on developing maritime capabilities to ...

TRB Special Report 262: A Process for Setting, Managing, and Monitoring Environmental Windows for Dredging Projects concludes that scientific information about risks to resources and technical options for reducing those risks was not being systematically incorporated into the dredging process. ...

Recreational fishing in the United States is an important social and economic component of many marine fisheries, with an estimated 14 million anglers making almost 82 million fishing trips in 2004. Although each individual angler typically harvests a small number of ...

Recent scientific literature has raised many concerns about whether fisheries have caused more extensive changes to marine populations and ecosystems than previously realized or predicted. In many cases, stocks have been exploited far beyond management targets, and new analyses indicate ...

Observable changes with regional and global implications, such as warming temperatures and reduced sea ice, are taking place across the Arctic. However, the record of Arctic observations suffers from incomplete geographic coverage and limited duration, and measurements are not well ...

In recent years there has been growing interest in having fisheries stakeholders involved in various aspects of fisheries data collection and experimentation. This activity is generally known as cooperative research and may take many forms, including gear technology studies, bycatch avoidance studies, and ...

Attention has been drawn to the subject of how ocean noise affects marine mammals by a series of marine mammal strandings, lawsuits, and legislative hearings, and most recently, the report from the U.S. Commission on Ocean Policy. One way to ...