Dissolved iron distributions in the central region of the Gulf of California, México
We report dissolved iron (Fe d) concentrations measured in the upper 600 m in the central region of the Gulf of California (GC) under spring conditions. Our results showed the complex nature of Fe cycling within the GC. In the northern region of the study area, surface waters were relatively enriche...
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| Veröffentlicht in: | Deep-sea research. Part I, Oceanographic research papers Oceanographic research papers, 2010, Vol.57 (1), p.53-64 |
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| container_title | Deep-sea research. Part I, Oceanographic research papers |
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| creator | Segovia-Zavala, J.A. Lares, M.L. Delgadillo-Hinojosa, F. Tovar-Sánchez, A. Sañudo-Wilhelmy, S.A. |
| description | We report dissolved iron (Fe
d) concentrations measured in the upper 600
m in the central region of the Gulf of California (GC) under spring conditions. Our results showed the complex nature of Fe cycling within the GC. In the northern region of the study area, surface waters were relatively enriched, with Fe
d concentrations >5.0
nM, which can be partially explained by an atmospheric source. These concentrations are 12 times higher than those found in the adjacent Pacific Ocean. In contrast, Fe
d depth profiles in the southern region did not show any Fe
d surface enrichment (concentrations |
| doi_str_mv | 10.1016/j.dsr.2009.10.007 |
| format | Article |
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d) concentrations measured in the upper 600
m in the central region of the Gulf of California (GC) under spring conditions. Our results showed the complex nature of Fe cycling within the GC. In the northern region of the study area, surface waters were relatively enriched, with Fe
d concentrations >5.0
nM, which can be partially explained by an atmospheric source. These concentrations are 12 times higher than those found in the adjacent Pacific Ocean. In contrast, Fe
d depth profiles in the southern region did not show any Fe
d surface enrichment (concentrations <1.5
nM) because of particle scavenging and higher stratification of the water-column. The most southern station in our area of study was the most stratified and showed an excess Fe
d and PO
4 with respect to NO
3, conditions favorable for nitrogen fixation. This station also showed the least negative surface value of
N* of all stations. However, despite the adequate levels of Fe
d and PO
4 at that location, the surface temperature (22.6
°C) was probably not high enough for diazotrophs to develop. A slight increase in Fe
d levels in intermediate waters at the southern region was associated with the oxygen minimum zone. Finally, our results suggest that remineralization of organic matter is probably the major source of Fe
d in subsurface waters of the GC.</description><identifier>ISSN: 0967-0637</identifier><identifier>EISSN: 1879-0119</identifier><identifier>DOI: 10.1016/j.dsr.2009.10.007</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Atmosphere ; Atmospheric influence ; Atmospherics ; Benthic input ; Biological and medical sciences ; Deep sea ; Dissolution ; Earth, ocean, space ; Enrichment ; Exact sciences and technology ; External geophysics ; Fundamental and applied biological sciences. Psychology ; Gulf of California ; Gulfs ; Iron ; Marine ; Nitrogen fixation ; Ocean currents ; Oceanography ; Oceans ; OMZ ; Physical and chemical properties of sea water ; Physics of the oceans ; Sea water ecosystems ; Stations ; Surface water ; Synecology</subject><ispartof>Deep-sea research. Part I, Oceanographic research papers, 2010, Vol.57 (1), p.53-64</ispartof><rights>2009 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright Pergamon Press Inc. Jan 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a508t-5f491a8e6723946a78488120a16c4c1866715bdfb174e912ebd77e9b6278c3f03</citedby><cites>FETCH-LOGICAL-a508t-5f491a8e6723946a78488120a16c4c1866715bdfb174e912ebd77e9b6278c3f03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.dsr.2009.10.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,4024,27923,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22289223$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Segovia-Zavala, J.A.</creatorcontrib><creatorcontrib>Lares, M.L.</creatorcontrib><creatorcontrib>Delgadillo-Hinojosa, F.</creatorcontrib><creatorcontrib>Tovar-Sánchez, A.</creatorcontrib><creatorcontrib>Sañudo-Wilhelmy, S.A.</creatorcontrib><title>Dissolved iron distributions in the central region of the Gulf of California, México</title><title>Deep-sea research. Part I, Oceanographic research papers</title><description>We report dissolved iron (Fe
d) concentrations measured in the upper 600
m in the central region of the Gulf of California (GC) under spring conditions. Our results showed the complex nature of Fe cycling within the GC. In the northern region of the study area, surface waters were relatively enriched, with Fe
d concentrations >5.0
nM, which can be partially explained by an atmospheric source. These concentrations are 12 times higher than those found in the adjacent Pacific Ocean. In contrast, Fe
d depth profiles in the southern region did not show any Fe
d surface enrichment (concentrations <1.5
nM) because of particle scavenging and higher stratification of the water-column. The most southern station in our area of study was the most stratified and showed an excess Fe
d and PO
4 with respect to NO
3, conditions favorable for nitrogen fixation. This station also showed the least negative surface value of
N* of all stations. However, despite the adequate levels of Fe
d and PO
4 at that location, the surface temperature (22.6
°C) was probably not high enough for diazotrophs to develop. A slight increase in Fe
d levels in intermediate waters at the southern region was associated with the oxygen minimum zone. Finally, our results suggest that remineralization of organic matter is probably the major source of Fe
d in subsurface waters of the GC.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Atmosphere</subject><subject>Atmospheric influence</subject><subject>Atmospherics</subject><subject>Benthic input</subject><subject>Biological and medical sciences</subject><subject>Deep sea</subject><subject>Dissolution</subject><subject>Earth, ocean, space</subject><subject>Enrichment</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gulf of California</subject><subject>Gulfs</subject><subject>Iron</subject><subject>Marine</subject><subject>Nitrogen fixation</subject><subject>Ocean currents</subject><subject>Oceanography</subject><subject>Oceans</subject><subject>OMZ</subject><subject>Physical and chemical properties of sea water</subject><subject>Physics of the oceans</subject><subject>Sea water ecosystems</subject><subject>Stations</subject><subject>Surface water</subject><subject>Synecology</subject><issn>0967-0637</issn><issn>1879-0119</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kc1u1DAUhS0EEkPhAdhFSAgWzXCv4_GPWFVDKUhFbOjacpwb8Ci1i51U8Eg8By-Gw1QsWHRl--g758r3MPYcYYuA8s1hO5S85QCmvrcA6gHboFamBUTzkG3ASNWC7NRj9qSUA0A1adiwq3ehlDTd0tCEnGIzhDLn0C9zSLE0ITbzN2o8xTm7qcn0tcpNGv-qF8s0rve9m8KYcgzutPn0-9eP4NNT9mh0U6Fnd-cJu3p__mX_ob38fPFxf3bZuh3oud2NwqDTJBXvjJBOaaE1cnAovfCopVS464exRyXIIKd-UIpML7nSvhuhO2Gvjrk3OX1fqMz2OhRP0-QipaVYJSQAN1JU8vW9JK6jxK4TXUVf_Ice0pJj_YfFukWQHFcIj5DPqZRMo73J4drlnxbBro3Yg62N2LWRVaqNVM_Lu2BXvJvG7KIP5Z-Rc64N52v22yNHdXW3gbItPlD0NIRMfrZDCvdM-QNoeZ7y</recordid><startdate>2010</startdate><enddate>2010</enddate><creator>Segovia-Zavala, J.A.</creator><creator>Lares, M.L.</creator><creator>Delgadillo-Hinojosa, F.</creator><creator>Tovar-Sánchez, A.</creator><creator>Sañudo-Wilhelmy, S.A.</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Pergamon Press Inc</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope><scope>7SN</scope><scope>7TG</scope><scope>7TN</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope></search><sort><creationdate>2010</creationdate><title>Dissolved iron distributions in the central region of the Gulf of California, México</title><author>Segovia-Zavala, J.A. ; Lares, M.L. ; Delgadillo-Hinojosa, F. ; Tovar-Sánchez, A. ; Sañudo-Wilhelmy, S.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a508t-5f491a8e6723946a78488120a16c4c1866715bdfb174e912ebd77e9b6278c3f03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Atmosphere</topic><topic>Atmospheric influence</topic><topic>Atmospherics</topic><topic>Benthic input</topic><topic>Biological and medical sciences</topic><topic>Deep sea</topic><topic>Dissolution</topic><topic>Earth, ocean, space</topic><topic>Enrichment</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gulf of California</topic><topic>Gulfs</topic><topic>Iron</topic><topic>Marine</topic><topic>Nitrogen fixation</topic><topic>Ocean currents</topic><topic>Oceanography</topic><topic>Oceans</topic><topic>OMZ</topic><topic>Physical and chemical properties of sea water</topic><topic>Physics of the oceans</topic><topic>Sea water ecosystems</topic><topic>Stations</topic><topic>Surface water</topic><topic>Synecology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Segovia-Zavala, J.A.</creatorcontrib><creatorcontrib>Lares, M.L.</creatorcontrib><creatorcontrib>Delgadillo-Hinojosa, F.</creatorcontrib><creatorcontrib>Tovar-Sánchez, A.</creatorcontrib><creatorcontrib>Sañudo-Wilhelmy, S.A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Ecology Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Deep-sea research. Part I, Oceanographic research papers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Segovia-Zavala, J.A.</au><au>Lares, M.L.</au><au>Delgadillo-Hinojosa, F.</au><au>Tovar-Sánchez, A.</au><au>Sañudo-Wilhelmy, S.A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dissolved iron distributions in the central region of the Gulf of California, México</atitle><jtitle>Deep-sea research. Part I, Oceanographic research papers</jtitle><date>2010</date><risdate>2010</risdate><volume>57</volume><issue>1</issue><spage>53</spage><epage>64</epage><pages>53-64</pages><issn>0967-0637</issn><eissn>1879-0119</eissn><abstract>We report dissolved iron (Fe
d) concentrations measured in the upper 600
m in the central region of the Gulf of California (GC) under spring conditions. Our results showed the complex nature of Fe cycling within the GC. In the northern region of the study area, surface waters were relatively enriched, with Fe
d concentrations >5.0
nM, which can be partially explained by an atmospheric source. These concentrations are 12 times higher than those found in the adjacent Pacific Ocean. In contrast, Fe
d depth profiles in the southern region did not show any Fe
d surface enrichment (concentrations <1.5
nM) because of particle scavenging and higher stratification of the water-column. The most southern station in our area of study was the most stratified and showed an excess Fe
d and PO
4 with respect to NO
3, conditions favorable for nitrogen fixation. This station also showed the least negative surface value of
N* of all stations. However, despite the adequate levels of Fe
d and PO
4 at that location, the surface temperature (22.6
°C) was probably not high enough for diazotrophs to develop. A slight increase in Fe
d levels in intermediate waters at the southern region was associated with the oxygen minimum zone. Finally, our results suggest that remineralization of organic matter is probably the major source of Fe
d in subsurface waters of the GC.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.dsr.2009.10.007</doi><tpages>12</tpages></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Atmosphere Atmospheric influence Atmospherics Benthic input Biological and medical sciences Deep sea Dissolution Earth, ocean, space Enrichment Exact sciences and technology External geophysics Fundamental and applied biological sciences. Psychology Gulf of California Gulfs Iron Marine Nitrogen fixation Ocean currents Oceanography Oceans OMZ Physical and chemical properties of sea water Physics of the oceans Sea water ecosystems Stations Surface water Synecology |
| title | Dissolved iron distributions in the central region of the Gulf of California, México |
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