Sound Waves - USGS Monthly Newsletter of Coastal Science - Stories in the April 2009 issue http://soundwaves.usgs.gov/ Thursday, 9 April 2009 Thursday, 9 April 2009 Scientists from the U.S. Geological Survey and the Canadian Geological Survey jointly conducted bathymetric surveys and seismic-reflection surveys in the Beaufort Sea, a part of the Arctic Ocean north of Alaska and western Canada. http://soundwaves.usgs.gov/2009/04/ Thursday, 9 April 2009 Measurements of seawater chemical properties will help build a baseline for assessing the impact of ocean acidification on nearshore and offshore ecosystems in the Gulf of Mexico. http://soundwaves.usgs.gov/2009/04/fieldwork2.html Thursday, 9 April 2009 Scientists are investigating the processes that control the dynamics of sediment transport at Diamond Shoals. http://soundwaves.usgs.gov/2009/04/fieldwork3.html Thursday, 9 April 2009 The largest waterbird-congregation area in the Indian subcontinent is the site of a new international study of migratory birds and their role in the spread of highly pathogenic avian influenza (HPAI) H5N1 virus. http://soundwaves.usgs.gov/2009/04/fieldwork4.html Thursday, 9 April 2009 Declining numbers of a shorebird called the red knot have been linked to the harvest of horseshoe crabs from Delaware Bay. http://soundwaves.usgs.gov/2009/04/research.html Thursday, 9 April 2009 Kevin Lafferty has been selected by the American Society of Parasitologists as the 2009 Henry Baldwin Ward Medalist for outstanding contributions to the field of parasitology. http://soundwaves.usgs.gov/2009/04/awards.html Thursday, 9 April 2009 A delegation of seven Indian scientists and managers visited the USGS Woods Hole Science Center to learn about the facilities and, in particular, the gas hydrates laboratory. http://soundwaves.usgs.gov/2009/04/staff.html Thursday, 9 April 2009 Signell is focusing on standardized access to model data by way of Web services that include improved analysis and visualization capabilities. http://soundwaves.usgs.gov/2009/04/staff2.html Thursday, 9 April 2009 Stable-isotope analysis of teeth could shed light on the hypothesized role of killer whales in historical declines of marine-mammal populations. http://soundwaves.usgs.gov/2009/04/pubs.html Thursday, 9 April 2009 A new study concluded that sea-ice habitat losses through the 21st century were expected to be the greatest in the southern seas of the Polar Basin and the least in areas north of Arctic Canada and Greenland. http://soundwaves.usgs.gov/2009/04/pubs2.html Thursday, 9 April 2009