Entrainment and bending in a major hydrothermal plume, Main Endeavour Field, Juan de Fuca Ridge
We measure expansion rate and bending in a 23‐hour time series of acoustic images of the lower 25 m section of a buoyant hydrothermal plume rising from Grotto vent in the Main Endeavour Field, Juan de Fuca Ridge. We then calculate entrainment coefficient, the constant of proportionality relating mea...
Gespeichert in:
Veröffentlicht in: | Geophysical research letters 2006-10, Vol.33 (19), p.n/a |
---|---|
Hauptverfasser: | , , , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
container_end_page | n/a |
---|---|
container_issue | 19 |
container_start_page | |
container_title | Geophysical research letters |
container_volume | 33 |
creator | Rona, Peter A. Bemis, Karen G. Jones, Christopher D. Jackson, Darrell R. Mitsuzawa, Kyohiko Silver, Deborah |
description | We measure expansion rate and bending in a 23‐hour time series of acoustic images of the lower 25 m section of a buoyant hydrothermal plume rising from Grotto vent in the Main Endeavour Field, Juan de Fuca Ridge. We then calculate entrainment coefficient, the constant of proportionality relating mean inflow velocity at the plume edge to maximum mean upward velocity within the plume. The plume section alternately bends southwest at relatively high inclinations (37°) and northeast at lower inclinations at irregular intervals twice during this time period, apparently driven by current reversals in the mixed semi‐diurnal tidal cycle. The measured expansion rates (0.11–0.25 m/m) and calculated entrainment coefficients (0.07–0.18) are directly proportional to the degree of bending (R2 = 0.75). The loss of buoyancy flux related to enhanced mixing in a stratified environment during bending may contribute to reduction of potential rise height consistent with predicted (∼400 m) and measured (300–350 m) plume tops. |
doi_str_mv | 10.1029/2006GL027211 |
format | Article |
fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_19523234</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>19523234</sourcerecordid><originalsourceid>FETCH-LOGICAL-a4387-363c254caf1c003814543487a8ce7cf23a354915a96794213afbb4fc1fe59a7e3</originalsourceid><addsrcrecordid>eNp9kE1v00AQhleoSKSFGz9gL-UU0_2y13us2iS0DSAiEIjLarIep9va63TXBvLva5SIcupp5vA8r2ZeQt5y9p4zYc4EY8ViyYQWnL8gE26UykrG9BGZMGbGXejiFTlO6Y4xJpnkE2JnoY_gQ4uhpxAqusZQ-bChPlCgLdx1kd7uqtj1txhbaOi2GVqc0o-jQ2ehQvjVDZHOPTbVlF4PEGiFdD44oCtfbfA1eVlDk_DNYZ6Qb_PZ14sP2fLz4urifJmBkqXOZCGdyJWDmrvxtJKrXElVaigdalcLCTJXhudgCm2U4BLq9VrVjteYG9AoT8i7fe42dg8Dpt62PjlsGgjYDclykwsppBrB6R50sUspYm230bcQd5Yz-7dF-3-LI356yIXkoKkjBOfTk1MKMz5QjpzYc799g7tnM-1itRSCcT1K2V7yqcc__ySI97bQUuf2-6eF_XJjfvxkN5d2JR8Bo4qNnQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>19523234</pqid></control><display><type>article</type><title>Entrainment and bending in a major hydrothermal plume, Main Endeavour Field, Juan de Fuca Ridge</title><source>Wiley Free Content</source><source>Wiley-Blackwell AGU Digital Library</source><source>Wiley Online Library Journals Frontfile Complete</source><source>EZB-FREE-00999 freely available EZB journals</source><creator>Rona, Peter A. ; Bemis, Karen G. ; Jones, Christopher D. ; Jackson, Darrell R. ; Mitsuzawa, Kyohiko ; Silver, Deborah</creator><creatorcontrib>Rona, Peter A. ; Bemis, Karen G. ; Jones, Christopher D. ; Jackson, Darrell R. ; Mitsuzawa, Kyohiko ; Silver, Deborah</creatorcontrib><description>We measure expansion rate and bending in a 23‐hour time series of acoustic images of the lower 25 m section of a buoyant hydrothermal plume rising from Grotto vent in the Main Endeavour Field, Juan de Fuca Ridge. We then calculate entrainment coefficient, the constant of proportionality relating mean inflow velocity at the plume edge to maximum mean upward velocity within the plume. The plume section alternately bends southwest at relatively high inclinations (37°) and northeast at lower inclinations at irregular intervals twice during this time period, apparently driven by current reversals in the mixed semi‐diurnal tidal cycle. The measured expansion rates (0.11–0.25 m/m) and calculated entrainment coefficients (0.07–0.18) are directly proportional to the degree of bending (R2 = 0.75). The loss of buoyancy flux related to enhanced mixing in a stratified environment during bending may contribute to reduction of potential rise height consistent with predicted (∼400 m) and measured (300–350 m) plume tops.</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/2006GL027211</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Marine</subject><ispartof>Geophysical research letters, 2006-10, Vol.33 (19), p.n/a</ispartof><rights>Copyright 2006 by the American Geophysical Union.</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a4387-363c254caf1c003814543487a8ce7cf23a354915a96794213afbb4fc1fe59a7e3</citedby><cites>FETCH-LOGICAL-a4387-363c254caf1c003814543487a8ce7cf23a354915a96794213afbb4fc1fe59a7e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2F2006GL027211$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F2006GL027211$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,1427,11493,27901,27902,45550,45551,46384,46443,46808,46867</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18294388$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Rona, Peter A.</creatorcontrib><creatorcontrib>Bemis, Karen G.</creatorcontrib><creatorcontrib>Jones, Christopher D.</creatorcontrib><creatorcontrib>Jackson, Darrell R.</creatorcontrib><creatorcontrib>Mitsuzawa, Kyohiko</creatorcontrib><creatorcontrib>Silver, Deborah</creatorcontrib><title>Entrainment and bending in a major hydrothermal plume, Main Endeavour Field, Juan de Fuca Ridge</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>We measure expansion rate and bending in a 23‐hour time series of acoustic images of the lower 25 m section of a buoyant hydrothermal plume rising from Grotto vent in the Main Endeavour Field, Juan de Fuca Ridge. We then calculate entrainment coefficient, the constant of proportionality relating mean inflow velocity at the plume edge to maximum mean upward velocity within the plume. The plume section alternately bends southwest at relatively high inclinations (37°) and northeast at lower inclinations at irregular intervals twice during this time period, apparently driven by current reversals in the mixed semi‐diurnal tidal cycle. The measured expansion rates (0.11–0.25 m/m) and calculated entrainment coefficients (0.07–0.18) are directly proportional to the degree of bending (R2 = 0.75). The loss of buoyancy flux related to enhanced mixing in a stratified environment during bending may contribute to reduction of potential rise height consistent with predicted (∼400 m) and measured (300–350 m) plume tops.</description><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Marine</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNp9kE1v00AQhleoSKSFGz9gL-UU0_2y13us2iS0DSAiEIjLarIep9va63TXBvLva5SIcupp5vA8r2ZeQt5y9p4zYc4EY8ViyYQWnL8gE26UykrG9BGZMGbGXejiFTlO6Y4xJpnkE2JnoY_gQ4uhpxAqusZQ-bChPlCgLdx1kd7uqtj1txhbaOi2GVqc0o-jQ2ehQvjVDZHOPTbVlF4PEGiFdD44oCtfbfA1eVlDk_DNYZ6Qb_PZ14sP2fLz4urifJmBkqXOZCGdyJWDmrvxtJKrXElVaigdalcLCTJXhudgCm2U4BLq9VrVjteYG9AoT8i7fe42dg8Dpt62PjlsGgjYDclykwsppBrB6R50sUspYm230bcQd5Yz-7dF-3-LI356yIXkoKkjBOfTk1MKMz5QjpzYc799g7tnM-1itRSCcT1K2V7yqcc__ySI97bQUuf2-6eF_XJjfvxkN5d2JR8Bo4qNnQ</recordid><startdate>200610</startdate><enddate>200610</enddate><creator>Rona, Peter A.</creator><creator>Bemis, Karen G.</creator><creator>Jones, Christopher D.</creator><creator>Jackson, Darrell R.</creator><creator>Mitsuzawa, Kyohiko</creator><creator>Silver, Deborah</creator><general>Blackwell Publishing Ltd</general><general>American Geophysical Union</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope></search><sort><creationdate>200610</creationdate><title>Entrainment and bending in a major hydrothermal plume, Main Endeavour Field, Juan de Fuca Ridge</title><author>Rona, Peter A. ; Bemis, Karen G. ; Jones, Christopher D. ; Jackson, Darrell R. ; Mitsuzawa, Kyohiko ; Silver, Deborah</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a4387-363c254caf1c003814543487a8ce7cf23a354915a96794213afbb4fc1fe59a7e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Marine</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rona, Peter A.</creatorcontrib><creatorcontrib>Bemis, Karen G.</creatorcontrib><creatorcontrib>Jones, Christopher D.</creatorcontrib><creatorcontrib>Jackson, Darrell R.</creatorcontrib><creatorcontrib>Mitsuzawa, Kyohiko</creatorcontrib><creatorcontrib>Silver, Deborah</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rona, Peter A.</au><au>Bemis, Karen G.</au><au>Jones, Christopher D.</au><au>Jackson, Darrell R.</au><au>Mitsuzawa, Kyohiko</au><au>Silver, Deborah</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Entrainment and bending in a major hydrothermal plume, Main Endeavour Field, Juan de Fuca Ridge</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>2006-10</date><risdate>2006</risdate><volume>33</volume><issue>19</issue><epage>n/a</epage><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>We measure expansion rate and bending in a 23‐hour time series of acoustic images of the lower 25 m section of a buoyant hydrothermal plume rising from Grotto vent in the Main Endeavour Field, Juan de Fuca Ridge. We then calculate entrainment coefficient, the constant of proportionality relating mean inflow velocity at the plume edge to maximum mean upward velocity within the plume. The plume section alternately bends southwest at relatively high inclinations (37°) and northeast at lower inclinations at irregular intervals twice during this time period, apparently driven by current reversals in the mixed semi‐diurnal tidal cycle. The measured expansion rates (0.11–0.25 m/m) and calculated entrainment coefficients (0.07–0.18) are directly proportional to the degree of bending (R2 = 0.75). The loss of buoyancy flux related to enhanced mixing in a stratified environment during bending may contribute to reduction of potential rise height consistent with predicted (∼400 m) and measured (300–350 m) plume tops.</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2006GL027211</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
fulltext | fulltext |
identifier | ISSN: 0094-8276 |
ispartof | Geophysical research letters, 2006-10, Vol.33 (19), p.n/a |
issn | 0094-8276 1944-8007 |
language | eng |
recordid | cdi_proquest_miscellaneous_19523234 |
source | Wiley Free Content; Wiley-Blackwell AGU Digital Library; Wiley Online Library Journals Frontfile Complete; EZB-FREE-00999 freely available EZB journals |
subjects | Earth sciences Earth, ocean, space Exact sciences and technology Marine |
title | Entrainment and bending in a major hydrothermal plume, Main Endeavour Field, Juan de Fuca Ridge |
url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-31T20%3A57%3A40IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Entrainment%20and%20bending%20in%20a%20major%20hydrothermal%20plume,%20Main%20Endeavour%20Field,%20Juan%20de%20Fuca%20Ridge&rft.jtitle=Geophysical%20research%20letters&rft.au=Rona,%20Peter%20A.&rft.date=2006-10&rft.volume=33&rft.issue=19&rft.epage=n/a&rft.issn=0094-8276&rft.eissn=1944-8007&rft.coden=GPRLAJ&rft_id=info:doi/10.1029/2006GL027211&rft_dat=%3Cproquest_cross%3E19523234%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=19523234&rft_id=info:pmid/&rfr_iscdi=true |