Archaeological Explorations on San Nicolas Island
نویسندگان
چکیده
منابع مشابه
Increases in deep ocean ambient noise in the Northeast Pacific west of San Nicolas Island, California.
Recent measurement at a previously studied location illustrates the magnitude of increases in ocean ambient noise in the Northeast Pacific over the past four decades. Continuous measurements west of San Nicolas Island, California, over 138 days, spanning 2003-2004 are compared to measurements made during the 1960s at the same site. Ambient noise levels at 30-50 Hz were 10-12 dB higher (95% CI =...
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ژورنال
عنوان ژورنال: Hispanic American Historical Review
سال: 1971
ISSN: 0018-2168,1527-1900
DOI: 10.1215/00182168-51.2.408