North Pacific Acoustic Laboratory: Deep Water Acoustic Propagation in the Philippine Sea

2012 ◽  
Author(s):  
Peter F. Worcester ◽  
Bruce D. Cornelle ◽  
Matthew A. Dzieciuch ◽  
Walter H. Munk
Keyword(s):  
Deep Water ◽  
North Pacific ◽  
Acoustic Propagation ◽  
Philippine Sea

North Pacific Acoustic Laboratory: Deep Water Acoustic Propagation in the Philippine Sea

2013 ◽  
Author(s):  
Peter F. Worcester ◽  
Bruce D. Cornuelle ◽  
Matthew A. Dzieciuch ◽  
Water H. Munk
Keyword(s):  
Deep Water ◽  
North Pacific ◽  
Acoustic Propagation ◽  
Philippine Sea

The North Pacific Acoustic Laboratory (NPAL) deep-water acoustic propagation experiments in the Philippine Sea

2012 ◽  
Vol 131 (4) ◽  
pp. 3352-3352 ◽  
Author(s):  
Peter F. Worcester ◽  
Rex K. Andrew ◽  
Arthur B. Baggeroer ◽  
John A. Colosi ◽  
Gerald L. D'Spain ◽  
...  
Keyword(s):  
Deep Water ◽  
North Pacific ◽  
Acoustic Propagation ◽  
Philippine Sea ◽  
The North ◽  
The North Pacific

North Pacific Acoustic Laboratory: Deep Water Acoustic Propagation in the Philippine Sea

2014 ◽  
Author(s):  
Peter F. Worcester ◽  
Bruce D. Comuelle ◽  
Matthew A. Dzieciuch ◽  
Walter H. Munk
Keyword(s):  
Deep Water ◽  
North Pacific ◽  
Acoustic Propagation ◽  
Philippine Sea

scholarly journals The North Pacific Acoustic Laboratory deep-water acoustic propagation experiments in the Philippine Sea

2013 ◽  
Vol 134 (4) ◽  
pp. 3359-3375 ◽  
Author(s):  
Peter F. Worcester ◽  
Matthew A. Dzieciuch ◽  
James A. Mercer ◽  
Rex K. Andrew ◽  
Brian D. Dushaw ◽  
...  
Keyword(s):  
Deep Water ◽  
North Pacific ◽  
Acoustic Propagation ◽  
Philippine Sea ◽  
The North ◽  
The North Pacific

Deep water acoustic propagation in the northern Philippine Sea: Comparison of observed ray travel times with a non-acoustic state estimate

2013 ◽  
Vol 134 (5) ◽  
pp. 3982-3982
Author(s):  
Bruce Cornuelle ◽  
Ganesh Gopalakrishnan ◽  
Matthew Dzieciuch ◽  
Peter Worcester
Keyword(s):  
Deep Water ◽  
Acoustic Propagation ◽  
Travel Times ◽  
State Estimate ◽  
Philippine Sea

The Reproductive Biology of Ophiacantha Bidentata (Echinodermata: Ophiuroidea) From The Rockall Trough

1982 ◽  
Vol 62 (1) ◽  
pp. 45-55 ◽  
Author(s):  
P. A. Tyler ◽  
J. D. Gage
Keyword(s):  
Reproductive Biology ◽  
Deep Water ◽  
Larval Stage ◽  
North Pacific ◽  
Deep Sea ◽  
Direct Development ◽  
The Arctic ◽  
Shallow Waters ◽  
Arctic Seas ◽  
Rockall Trough

INTRODUCTIONOphiacantha bidentata (Retzius) is a widespread arctic-boreal ophiuroid with a circumpolar distribution in the shallow waters of the Arctic seas and penetrating into the deep sea of the.North Atlantic and North Pacific (Mortensen, 1927, 1933a; D'yakonov, 1954). Early observations of this species were confined to defining zoogeo-graphical and taxonomic criteria including the separation of deep water specimens as the variety fraterna (Farran, 1912; Grieg, 1921; Mortensen, 1933a). Mortensen (1910) and Thorson (1936, pp. 18–26) noted the large eggs (o.8 mm diameter) in specimens from Greenland and Thorson (1936) proposed that this species had ‘big eggs rich in yolk, shed directly into the sea. Much reduced larval stage or direct development’. This evidence is supported by observations of O. bidentata from the White and Barents Seas (Semenova, Mileikovsky & Nesis, 1964; Kaufman, 1974)..

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