While bubble plumes have been acoustically imaged in the water column above marine gas
hydrate deposits in many studies, little is known about the temporal variation in plume intensity. In
July 2008, we conducted surveys using 3.5 and 12 kHz echosounders and a 75 kHz acoustic Doppler
current profiler (ADCP)...
BACKGROUND: Few studies have examined the broad health effects of occupational exposures in flight attendants
apart from disease-specific morbidity and mortality studies. We describe the health status of flight attendants and
compare it to the U.S. population. In addition, we explore whether the prevalence of major health conditions in
flight...
Full Text:
. Washington, DC:
DOT/FAA/AM-10/22 Office of Aerospace Medicine; 2010.
8. Petrilli RM, Roach GD, Dawson D