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The Impact of Hurricanes on the Acoustic Detection of Cetaceans.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	The Impact of Hurricanes on the Acoustic Detection of Cetaceans./
作者:	Tripathy, Aditi.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
面頁冊數:	365 p.
附註:	Source: Masters Abstracts International, Volume: 83-12.
Contained By:	Masters Abstracts International83-12.
標題:	Acoustics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29211439
ISBN:	9798819384091

The Impact of Hurricanes on the Acoustic Detection of Cetaceans.
Tripathy, Aditi.

The Impact of Hurricanes on the Acoustic Detection of Cetaceans. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 365 p.

Source: Masters Abstracts International, Volume: 83-12.

Thesis (M.S.)--University of New Hampshire, 2022.

This item must not be sold to any third party vendors.

Passive acoustic monitoring (PAM) is valuable for understanding the presence, behavior, distribution, and population density of marine mammals. While long-term variability of ambient sound is typically evaluated, the impact of short-term variability due to episodic events has not been assessed until now. Hurricanes Dorian (Category 5; 2019), Florence (Category 4; 2018), and Humberto (Category 3; 2019) impacted the soundscape as observed from the passive acoustic data at the Atlantic Deepwater Ecosystem Observatory Network (ADEON) locations in the US Mid- and South Atlantic Outer Continental Shelf. Hurricanes are increasingly prevalent in the North Atlantic and increase the ambient sound level at frequencies > 100 Hz, which may impact the detectability of cetaceans vocalizing at those frequencies. The probability of detection (Pd) of fin whales (low-frequency), minke whales (mid-frequency), and pilot whales (mid- to high frequency) was estimated at each ADEON location. Pd changed considerably during hurricane presence with site-specific impacts for each of the cetaceans, which may affect estimates of their population density from passive acoustic recordings. The findings from this study provide a baseline for impacts of episodic variability of varying intensities on signal detection, and can be translated to additional episodic events and sound sources of interest, to further enhance PAM efforts.

ISBN: 9798819384091Subjects--Topical Terms:

879105
Acoustics.
Subjects--Index Terms:

Hurricane

The Impact of Hurricanes on the Acoustic Detection of Cetaceans.
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