Observations of the Madden Julian Oscillation during Indian Ocean Dipole events
The characteristics of Madden Julian Oscillation (MJO) development and propagation during Indian Ocean Dipole (IOD) events are presented in this study. We find that MJO activity over the Indian Ocean and Maritime Continent is enhanced during negative IOD and subdued during positive IOD. MJO events o...
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| Veröffentlicht in: | Journal of geophysical research. Atmospheres 2013-03, Vol.118 (6), p.2588-2599 |
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| container_title | Journal of geophysical research. Atmospheres |
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| creator | Wilson, Earle A. Gordon, Arnold L. Kim, Daehyun |
| description | The characteristics of Madden Julian Oscillation (MJO) development and propagation during Indian Ocean Dipole (IOD) events are presented in this study. We find that MJO activity over the Indian Ocean and Maritime Continent is enhanced during negative IOD and subdued during positive IOD. MJO events occurring during positive IOD have weaker convection and less organized wind anomalies than those occurring during neutral or negative IOD. These differences are starkest over the eastern Indian Ocean where the IOD has the greatest effect on low‐level humidity. Based on these observations and current MJO theories, we posit that the IOD primarily influences the MJO through its modulation of local low‐level moisture.
Key Points
The MJO is affected by the interannual variability associated with the IOD.MJO events tend to be weaker during +IOD than during neutral or −IOD.The IOD is likely affecting the MJO via changes in local low-level moisture. |
| doi_str_mv | 10.1002/jgrd.50241 |
| format | Article |
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Key Points
The MJO is affected by the interannual variability associated with the IOD.MJO events tend to be weaker during +IOD than during neutral or −IOD.The IOD is likely affecting the MJO via changes in local low-level moisture.</description><identifier>ISSN: 2169-897X</identifier><identifier>EISSN: 2169-8996</identifier><identifier>DOI: 10.1002/jgrd.50241</identifier><language>eng</language><publisher>Hoboken, NJ: Blackwell Publishing Ltd</publisher><subject>Convection ; Dipoles ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Geophysics ; Humidity ; Indian Ocean ; Indian Ocean Dipole ; interannual variability ; intraseasonal variability ; Madden Julian Oscillation ; Meteorology ; Modulation ; Moisture ; moisture convergence ; Oceans ; Oscillations</subject><ispartof>Journal of geophysical research. Atmospheres, 2013-03, Vol.118 (6), p.2588-2599</ispartof><rights>2013. American Geophysical Union. All Rights Reserved.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5011-62630a854e290eb63190b5b2793339673265f9ce73c541ec049f2f30a9a490763</citedby><cites>FETCH-LOGICAL-c5011-62630a854e290eb63190b5b2793339673265f9ce73c541ec049f2f30a9a490763</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjgrd.50241$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjgrd.50241$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,782,786,1419,1435,27933,27934,45583,45584,46418,46842</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27674485$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wilson, Earle A.</creatorcontrib><creatorcontrib>Gordon, Arnold L.</creatorcontrib><creatorcontrib>Kim, Daehyun</creatorcontrib><title>Observations of the Madden Julian Oscillation during Indian Ocean Dipole events</title><title>Journal of geophysical research. Atmospheres</title><addtitle>J. Geophys. Res. Atmos</addtitle><description>The characteristics of Madden Julian Oscillation (MJO) development and propagation during Indian Ocean Dipole (IOD) events are presented in this study. We find that MJO activity over the Indian Ocean and Maritime Continent is enhanced during negative IOD and subdued during positive IOD. MJO events occurring during positive IOD have weaker convection and less organized wind anomalies than those occurring during neutral or negative IOD. These differences are starkest over the eastern Indian Ocean where the IOD has the greatest effect on low‐level humidity. Based on these observations and current MJO theories, we posit that the IOD primarily influences the MJO through its modulation of local low‐level moisture.
Key Points
The MJO is affected by the interannual variability associated with the IOD.MJO events tend to be weaker during +IOD than during neutral or −IOD.The IOD is likely affecting the MJO via changes in local low-level moisture.</description><subject>Convection</subject><subject>Dipoles</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Geophysics</subject><subject>Humidity</subject><subject>Indian Ocean</subject><subject>Indian Ocean Dipole</subject><subject>interannual variability</subject><subject>intraseasonal variability</subject><subject>Madden Julian Oscillation</subject><subject>Meteorology</subject><subject>Modulation</subject><subject>Moisture</subject><subject>moisture convergence</subject><subject>Oceans</subject><subject>Oscillations</subject><issn>2169-897X</issn><issn>2169-8996</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqNkUtL7DAYhosoKOrGX1A4HDgI1dzTLNXRUVEHvKC7kEm_aubUdExaL__eOKOzcCFmkQTyPC_5eLNsC6MdjBDZndyHaocjwvBStkawUEWplFhe3OXdarYZ4wSlVSLKOFvLRqNxhPBsOtf6mLd13j1Afm6qCnx-2jfO-HwUrWuaGZFXfXD-Pj_x1ezFQtoHbto2kMMz-C5uZCu1aSJsfp7r2c3R4fXBcXE2Gp4c7J0VliOMC0EERabkDIhCMBYUKzTmYyIVpVQJSYngtbIgqeUMg0VM1aROijJMISnoevZvnjsN7VMPsdOPLlpI__TQ9lFjITHnskTkFyjGgiWBJvTPN3TS9sGnQRJFSyqoVDJR23PKhjbGALWeBvdowpvGSH80oT-a0LMmEvz3M9JEa5o6GG9dXBhECslYyROH59yLa-Dth0R9OrwcfGUXc8fFDl4Xjgn_dZpGcn17MdTsAu0Pjti5vqLv5wWjgA</recordid><startdate>20130327</startdate><enddate>20130327</enddate><creator>Wilson, Earle A.</creator><creator>Gordon, Arnold L.</creator><creator>Kim, Daehyun</creator><general>Blackwell Publishing Ltd</general><general>John Wiley & Sons</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H8D</scope><scope>H96</scope><scope>KL.</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>7TN</scope></search><sort><creationdate>20130327</creationdate><title>Observations of the Madden Julian Oscillation during Indian Ocean Dipole events</title><author>Wilson, Earle A. ; Gordon, Arnold L. ; Kim, Daehyun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5011-62630a854e290eb63190b5b2793339673265f9ce73c541ec049f2f30a9a490763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Convection</topic><topic>Dipoles</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>Geophysics</topic><topic>Humidity</topic><topic>Indian Ocean</topic><topic>Indian Ocean Dipole</topic><topic>interannual variability</topic><topic>intraseasonal variability</topic><topic>Madden Julian Oscillation</topic><topic>Meteorology</topic><topic>Modulation</topic><topic>Moisture</topic><topic>moisture convergence</topic><topic>Oceans</topic><topic>Oscillations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wilson, Earle A.</creatorcontrib><creatorcontrib>Gordon, Arnold L.</creatorcontrib><creatorcontrib>Kim, Daehyun</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Oceanic Abstracts</collection><jtitle>Journal of geophysical research. Atmospheres</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wilson, Earle A.</au><au>Gordon, Arnold L.</au><au>Kim, Daehyun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Observations of the Madden Julian Oscillation during Indian Ocean Dipole events</atitle><jtitle>Journal of geophysical research. Atmospheres</jtitle><addtitle>J. Geophys. Res. Atmos</addtitle><date>2013-03-27</date><risdate>2013</risdate><volume>118</volume><issue>6</issue><spage>2588</spage><epage>2599</epage><pages>2588-2599</pages><issn>2169-897X</issn><eissn>2169-8996</eissn><abstract>The characteristics of Madden Julian Oscillation (MJO) development and propagation during Indian Ocean Dipole (IOD) events are presented in this study. We find that MJO activity over the Indian Ocean and Maritime Continent is enhanced during negative IOD and subdued during positive IOD. MJO events occurring during positive IOD have weaker convection and less organized wind anomalies than those occurring during neutral or negative IOD. These differences are starkest over the eastern Indian Ocean where the IOD has the greatest effect on low‐level humidity. Based on these observations and current MJO theories, we posit that the IOD primarily influences the MJO through its modulation of local low‐level moisture.
Key Points
The MJO is affected by the interannual variability associated with the IOD.MJO events tend to be weaker during +IOD than during neutral or −IOD.The IOD is likely affecting the MJO via changes in local low-level moisture.</abstract><cop>Hoboken, NJ</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/jgrd.50241</doi><tpages>12</tpages></addata></record> |
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| subjects | Convection Dipoles Earth, ocean, space Exact sciences and technology External geophysics Geophysics Humidity Indian Ocean Indian Ocean Dipole interannual variability intraseasonal variability Madden Julian Oscillation Meteorology Modulation Moisture moisture convergence Oceans Oscillations |
| title | Observations of the Madden Julian Oscillation during Indian Ocean Dipole events |
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