Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska

We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing...
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Gespeichert in:

Autor*in:	Webb, Karin R [verfasserIn] Gende, Scott M

Format:	Artikel
Sprache:	Englisch

Erschienen:	2015

Rechteinformationen:	Nutzungsrecht: Copyright © Taylor & Francis Group, LLC 2015

Schlagwörter:	ship-whale collisions humpback whale cruise ship traffic ship speed Wildlife conservation Ships Velocity Cruises Whales & whaling Coastal zone management

Übergeordnetes Werk:	Enthalten in: Coastal management - New York, NY [u.a.] : Taylor & Francis, 1987, 43(2015), 1, Seite 67
Übergeordnetes Werk:	volume:43 ; year:2015 ; number:1 ; pages:67

Links:	Volltext Link aufrufen Link aufrufen

DOI / URN:	10.1080/08920753.2014.989148

Katalog-ID:	OLC1965529496

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520			\|a We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective.
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allfields	10.1080/08920753.2014.989148 doi PQ20160617 (DE-627)OLC1965529496 (DE-599)GBVOLC1965529496 (PRQ)i2004-855085f45e9dd95242d1942d71645caeb98ce32d46f80aed3c0e50d59f8fe5a30 (KEY)0045812020150000043000100067activitypatternsandspeedsoflargecruiseshipsinsouth DE-627 ger DE-627 rakwb eng 690 550 DNB 38.90 bkl 56.30 bkl 74.15 bkl Webb, Karin R verfasserin aut Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective. Nutzungsrecht: Copyright © Taylor & Francis Group, LLC 2015 ship-whale collisions humpback whale cruise ship traffic ship speed Wildlife conservation Ships Velocity Cruises Whales & whaling Coastal zone management Gende, Scott M oth Enthalten in Coastal management New York, NY [u.a.] : Taylor & Francis, 1987 43(2015), 1, Seite 67 (DE-627)129259632 (DE-600)60508-6 (DE-576)442581734 0892-0753 nnns volume:43 year:2015 number:1 pages:67 http://dx.doi.org/10.1080/08920753.2014.989148 Volltext http://www.tandfonline.com/doi/abs/10.1080/08920753.2014.989148 http://search.proquest.com/docview/1657420715 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-JUR GBV_ILN_70 38.90 AVZ 56.30 AVZ 74.15 AVZ AR 43 2015 1 67
spelling	10.1080/08920753.2014.989148 doi PQ20160617 (DE-627)OLC1965529496 (DE-599)GBVOLC1965529496 (PRQ)i2004-855085f45e9dd95242d1942d71645caeb98ce32d46f80aed3c0e50d59f8fe5a30 (KEY)0045812020150000043000100067activitypatternsandspeedsoflargecruiseshipsinsouth DE-627 ger DE-627 rakwb eng 690 550 DNB 38.90 bkl 56.30 bkl 74.15 bkl Webb, Karin R verfasserin aut Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective. Nutzungsrecht: Copyright © Taylor & Francis Group, LLC 2015 ship-whale collisions humpback whale cruise ship traffic ship speed Wildlife conservation Ships Velocity Cruises Whales & whaling Coastal zone management Gende, Scott M oth Enthalten in Coastal management New York, NY [u.a.] : Taylor & Francis, 1987 43(2015), 1, Seite 67 (DE-627)129259632 (DE-600)60508-6 (DE-576)442581734 0892-0753 nnns volume:43 year:2015 number:1 pages:67 http://dx.doi.org/10.1080/08920753.2014.989148 Volltext http://www.tandfonline.com/doi/abs/10.1080/08920753.2014.989148 http://search.proquest.com/docview/1657420715 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-JUR GBV_ILN_70 38.90 AVZ 56.30 AVZ 74.15 AVZ AR 43 2015 1 67
allfields_unstemmed	10.1080/08920753.2014.989148 doi PQ20160617 (DE-627)OLC1965529496 (DE-599)GBVOLC1965529496 (PRQ)i2004-855085f45e9dd95242d1942d71645caeb98ce32d46f80aed3c0e50d59f8fe5a30 (KEY)0045812020150000043000100067activitypatternsandspeedsoflargecruiseshipsinsouth DE-627 ger DE-627 rakwb eng 690 550 DNB 38.90 bkl 56.30 bkl 74.15 bkl Webb, Karin R verfasserin aut Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective. Nutzungsrecht: Copyright © Taylor & Francis Group, LLC 2015 ship-whale collisions humpback whale cruise ship traffic ship speed Wildlife conservation Ships Velocity Cruises Whales & whaling Coastal zone management Gende, Scott M oth Enthalten in Coastal management New York, NY [u.a.] : Taylor & Francis, 1987 43(2015), 1, Seite 67 (DE-627)129259632 (DE-600)60508-6 (DE-576)442581734 0892-0753 nnns volume:43 year:2015 number:1 pages:67 http://dx.doi.org/10.1080/08920753.2014.989148 Volltext http://www.tandfonline.com/doi/abs/10.1080/08920753.2014.989148 http://search.proquest.com/docview/1657420715 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-JUR GBV_ILN_70 38.90 AVZ 56.30 AVZ 74.15 AVZ AR 43 2015 1 67
allfieldsGer	10.1080/08920753.2014.989148 doi PQ20160617 (DE-627)OLC1965529496 (DE-599)GBVOLC1965529496 (PRQ)i2004-855085f45e9dd95242d1942d71645caeb98ce32d46f80aed3c0e50d59f8fe5a30 (KEY)0045812020150000043000100067activitypatternsandspeedsoflargecruiseshipsinsouth DE-627 ger DE-627 rakwb eng 690 550 DNB 38.90 bkl 56.30 bkl 74.15 bkl Webb, Karin R verfasserin aut Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective. Nutzungsrecht: Copyright © Taylor & Francis Group, LLC 2015 ship-whale collisions humpback whale cruise ship traffic ship speed Wildlife conservation Ships Velocity Cruises Whales & whaling Coastal zone management Gende, Scott M oth Enthalten in Coastal management New York, NY [u.a.] : Taylor & Francis, 1987 43(2015), 1, Seite 67 (DE-627)129259632 (DE-600)60508-6 (DE-576)442581734 0892-0753 nnns volume:43 year:2015 number:1 pages:67 http://dx.doi.org/10.1080/08920753.2014.989148 Volltext http://www.tandfonline.com/doi/abs/10.1080/08920753.2014.989148 http://search.proquest.com/docview/1657420715 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-JUR GBV_ILN_70 38.90 AVZ 56.30 AVZ 74.15 AVZ AR 43 2015 1 67
allfieldsSound	10.1080/08920753.2014.989148 doi PQ20160617 (DE-627)OLC1965529496 (DE-599)GBVOLC1965529496 (PRQ)i2004-855085f45e9dd95242d1942d71645caeb98ce32d46f80aed3c0e50d59f8fe5a30 (KEY)0045812020150000043000100067activitypatternsandspeedsoflargecruiseshipsinsouth DE-627 ger DE-627 rakwb eng 690 550 DNB 38.90 bkl 56.30 bkl 74.15 bkl Webb, Karin R verfasserin aut Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective. Nutzungsrecht: Copyright © Taylor & Francis Group, LLC 2015 ship-whale collisions humpback whale cruise ship traffic ship speed Wildlife conservation Ships Velocity Cruises Whales & whaling Coastal zone management Gende, Scott M oth Enthalten in Coastal management New York, NY [u.a.] : Taylor & Francis, 1987 43(2015), 1, Seite 67 (DE-627)129259632 (DE-600)60508-6 (DE-576)442581734 0892-0753 nnns volume:43 year:2015 number:1 pages:67 http://dx.doi.org/10.1080/08920753.2014.989148 Volltext http://www.tandfonline.com/doi/abs/10.1080/08920753.2014.989148 http://search.proquest.com/docview/1657420715 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-JUR GBV_ILN_70 38.90 AVZ 56.30 AVZ 74.15 AVZ AR 43 2015 1 67
language	English
source	Enthalten in Coastal management 43(2015), 1, Seite 67 volume:43 year:2015 number:1 pages:67
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topic_facet	ship-whale collisions humpback whale cruise ship traffic ship speed Wildlife conservation Ships Velocity Cruises Whales & whaling Coastal zone management
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author	Webb, Karin R
spellingShingle	Webb, Karin R ddc 690 bkl 38.90 bkl 56.30 bkl 74.15 misc ship-whale collisions misc humpback whale misc cruise ship traffic misc ship speed misc Wildlife conservation misc Ships misc Velocity misc Cruises misc Whales & whaling misc Coastal zone management Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska
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topic_title	690 550 DNB 38.90 bkl 56.30 bkl 74.15 bkl Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska ship-whale collisions humpback whale cruise ship traffic ship speed Wildlife conservation Ships Velocity Cruises Whales & whaling Coastal zone management
topic	ddc 690 bkl 38.90 bkl 56.30 bkl 74.15 misc ship-whale collisions misc humpback whale misc cruise ship traffic misc ship speed misc Wildlife conservation misc Ships misc Velocity misc Cruises misc Whales & whaling misc Coastal zone management
topic_unstemmed	ddc 690 bkl 38.90 bkl 56.30 bkl 74.15 misc ship-whale collisions misc humpback whale misc cruise ship traffic misc ship speed misc Wildlife conservation misc Ships misc Velocity misc Cruises misc Whales & whaling misc Coastal zone management
topic_browse	ddc 690 bkl 38.90 bkl 56.30 bkl 74.15 misc ship-whale collisions misc humpback whale misc cruise ship traffic misc ship speed misc Wildlife conservation misc Ships misc Velocity misc Cruises misc Whales & whaling misc Coastal zone management
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title	Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska
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title_full	Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska
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title_sort	activity patterns and speeds of large cruise ships in southeast alaska
title_auth	Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska
abstract	We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective.
abstractGer	We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective.
abstract_unstemmed	We characterized activity patterns of large cruise ships in Southeast Alaska, where there is considerable overlap with aggregations of endangered humpback whales and where lethal ship-whale collisions have been reported. Using Automatic Identification System (AIS) data from 451 voyages representing 26 cruise ships ( = 270 m), we summarized traffic intensity, speed, and timing (day vs. night) for the 2012 summer cruise season in Southeast Alaska. Traffic intensity was found to exceed 700 transits in some areas, which constituted up to 10 ships transiting these areas per day during peak season. Throughout most of the study area (68% of 5 × 5 km cells) average ship speed was >16 knots, and often >18 knots. About half (47%) of the time spent cruising occurred at night when detection and avoidance of whales by ships is likely low. Although whales in Southeast Alaska were subject to low levels of shipping traffic relative to other major shipping routes, cruise ships transited throughout the majority of our study area at speeds where the probability for lethality, should a collision occur, is high, potentially offsetting the relatively low traffic levels. Our results help identify areas of greatest relative risk to whales and locations where whale conservation measures may be most effective.
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title_short	Activity Patterns and Speeds of Large Cruise Ships in Southeast Alaska
url	http://dx.doi.org/10.1080/08920753.2014.989148 http://www.tandfonline.com/doi/abs/10.1080/08920753.2014.989148 http://search.proquest.com/docview/1657420715
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