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Nitrate deficits by nitrification and denitrification processes in the Indian Ocean
The three-end-member mixing model of Li and Peng [Latitudinal change of remineralization ratios in the oceans and its implication for nutrient cycles. Global Biogeochemical Cycles 16, 1130–1145] was applied to the World Ocean Circulation Experiment (WOCE) data from Indian Ocean to obtain additional...
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| Published in: | Deep-sea research. Part I, Oceanographic research papers Oceanographic research papers, 2006, Vol.53 (1), p.94-110 |
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| creator | Li, Yuan-Hui Menviel, Laurie Peng, Tsung-Hung |
| description | The three-end-member mixing model of Li and Peng [Latitudinal change of remineralization ratios in the oceans and its implication for nutrient cycles. Global Biogeochemical Cycles 16, 1130–1145] was applied to the World Ocean Circulation Experiment (WOCE) data from Indian Ocean to obtain additional estimates on the remineralization ratios
(
P
⧹
N
⧹
C
org
⧹
‐
O
2
)
of organic matter in the oxygenated regions. The results show systematic changes of the remineralization ratios with latitude and depth in the Indian Ocean. The average remineralization ratios for Indian warm water masses (potential temperature
θ
>
∼
10
∘
C
) are
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
(
15.6
±
0.7
)
⧹
(
110
±
9
)
⧹
(
159
±
8
)
. These are comparable to the traditional Redfield ratios
(
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
16
⧹
106
⧹
138
)
, and are in good agreement with Anderson's [On the hydrogen and oxygen content of marine phytoplankton. Deep-Sea Research I 42, 1675–1680.] values of
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
16
⧹
106
⧹
150
within the given uncertainties. Separation of nitrate deficits resulting from aerobic partial nitrification (d
N) and anaerobic denitrification (d
N″) processes using empirical equations is shown to be useful and consistent with other observations. The d
N maximum coincides with the phosphate and nitrate maximums, lies within the oxycline below the oxygen minimum zone, and is in contact with the continental slope sediments. The d
N″ maximum lies within the oxygen minimum zone with O
2 |
| doi_str_mv | 10.1016/j.dsr.2005.09.009 |
| format | article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_20860649</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0967063705002372</els_id><sourcerecordid>20860649</sourcerecordid><originalsourceid>FETCH-LOGICAL-a408t-a034fe2b54e7425a754ec291cde6b1036d7b995c15ad577a53d5ec3d953a48fa3</originalsourceid><addsrcrecordid>eNp9kE1LxDAQhoMouH78AG9F0FvrpG2SBk8ifoHoQT2H2WSKWXZTTbrC_nuz7ILowVOSyfPODA9jJxwqDlxezCqXYlUDiAp0BaB32IR3SpfAud5lE9BSlSAbtc8OUpoB5FAHE_by5MeIIxWOem_9mIrpqgi55vMTRz-EAoPLv79rH3GwlBKlwodifKfiITiPoXi2hOGI7fU4T3S8PQ_Z2-3N6_V9-fh893B99VhiC91YIjRtT_VUtKTaWqDKF1trbh3JKYdGOjXVWlgu0AmlUDROkG2cFg22XY_NITvf9M3bfC4pjWbhk6X5HAMNy2Rq6CTIVmfw9A84G5Yx5N0M11J2Wog2Q3wD2TikFKk3H9EvMK4MB7N2bGYmOzZrxwa0yY5z5mzbGJPFeR8xWJ9-gqpteMfX3OWGo6zjy1M0yXoKlpyPZEfjBv_PlG8Z4JFy</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>196689554</pqid></control><display><type>article</type><title>Nitrate deficits by nitrification and denitrification processes in the Indian Ocean</title><source>ScienceDirect Journals</source><creator>Li, Yuan-Hui ; Menviel, Laurie ; Peng, Tsung-Hung</creator><creatorcontrib>Li, Yuan-Hui ; Menviel, Laurie ; Peng, Tsung-Hung</creatorcontrib><description>The three-end-member mixing model of Li and Peng [Latitudinal change of remineralization ratios in the oceans and its implication for nutrient cycles. Global Biogeochemical Cycles 16, 1130–1145] was applied to the World Ocean Circulation Experiment (WOCE) data from Indian Ocean to obtain additional estimates on the remineralization ratios
(
P
⧹
N
⧹
C
org
⧹
‐
O
2
)
of organic matter in the oxygenated regions. The results show systematic changes of the remineralization ratios with latitude and depth in the Indian Ocean. The average remineralization ratios for Indian warm water masses (potential temperature
θ
>
∼
10
∘
C
) are
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
(
15.6
±
0.7
)
⧹
(
110
±
9
)
⧹
(
159
±
8
)
. These are comparable to the traditional Redfield ratios
(
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
16
⧹
106
⧹
138
)
, and are in good agreement with Anderson's [On the hydrogen and oxygen content of marine phytoplankton. Deep-Sea Research I 42, 1675–1680.] values of
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
16
⧹
106
⧹
150
within the given uncertainties. Separation of nitrate deficits resulting from aerobic partial nitrification (d
N) and anaerobic denitrification (d
N″) processes using empirical equations is shown to be useful and consistent with other observations. The d
N maximum coincides with the phosphate and nitrate maximums, lies within the oxycline below the oxygen minimum zone, and is in contact with the continental slope sediments. The d
N″ maximum lies within the oxygen minimum zone with O
2<∼2
μmol/kg, is in contact with shelf or upper slope sediments, and is always associated with a secondary nitrite maximum in the water column. The spatial extent of d
N is much larger than that of d
N″. The low N/P remineralization ratio (<15) for deep waters (θ<∼10
°C) and the d
N maximum in the lower oxycline can be best explained by the partial conversion of organic nitrogen into N
2, N
2O, and NO by yet unidentified bacteria during oxidation of organic matter. These bacteria may have evolved in a low oxygen and high nitrate environment to utilize both oxygen and nitrate as terminal electron acceptors during oxidation of organic matter (i.e. the partial nitrification hypothesis). Direct proof is urgently needed.</description><identifier>ISSN: 0967-0637</identifier><identifier>EISSN: 1879-0119</identifier><identifier>DOI: 10.1016/j.dsr.2005.09.009</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Anammox ; Animal and plant ecology ; Animal, plant and microbial ecology ; Biological and medical sciences ; Denitrification ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; Fundamental and applied biological sciences. Psychology ; Geochemistry ; Indian Ocean ; Marine ; Mineralogy ; Nitrate deficit ; Nitrates ; Nitrification ; Oceans ; Partial nitrification ; Physical and chemical properties of sea water ; Physics of the oceans ; Remineralization ratios ; Sea water ecosystems ; Silicates ; Synecology ; Water geochemistry</subject><ispartof>Deep-sea research. Part I, Oceanographic research papers, 2006, Vol.53 (1), p.94-110</ispartof><rights>2005 Elsevier Ltd</rights><rights>2006 INIST-CNRS</rights><rights>Copyright Pergamon Press Inc. Jan 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a408t-a034fe2b54e7425a754ec291cde6b1036d7b995c15ad577a53d5ec3d953a48fa3</citedby><cites>FETCH-LOGICAL-a408t-a034fe2b54e7425a754ec291cde6b1036d7b995c15ad577a53d5ec3d953a48fa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4009,27902,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17431819$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Yuan-Hui</creatorcontrib><creatorcontrib>Menviel, Laurie</creatorcontrib><creatorcontrib>Peng, Tsung-Hung</creatorcontrib><title>Nitrate deficits by nitrification and denitrification processes in the Indian Ocean</title><title>Deep-sea research. Part I, Oceanographic research papers</title><description>The three-end-member mixing model of Li and Peng [Latitudinal change of remineralization ratios in the oceans and its implication for nutrient cycles. Global Biogeochemical Cycles 16, 1130–1145] was applied to the World Ocean Circulation Experiment (WOCE) data from Indian Ocean to obtain additional estimates on the remineralization ratios
(
P
⧹
N
⧹
C
org
⧹
‐
O
2
)
of organic matter in the oxygenated regions. The results show systematic changes of the remineralization ratios with latitude and depth in the Indian Ocean. The average remineralization ratios for Indian warm water masses (potential temperature
θ
>
∼
10
∘
C
) are
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
(
15.6
±
0.7
)
⧹
(
110
±
9
)
⧹
(
159
±
8
)
. These are comparable to the traditional Redfield ratios
(
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
16
⧹
106
⧹
138
)
, and are in good agreement with Anderson's [On the hydrogen and oxygen content of marine phytoplankton. Deep-Sea Research I 42, 1675–1680.] values of
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
16
⧹
106
⧹
150
within the given uncertainties. Separation of nitrate deficits resulting from aerobic partial nitrification (d
N) and anaerobic denitrification (d
N″) processes using empirical equations is shown to be useful and consistent with other observations. The d
N maximum coincides with the phosphate and nitrate maximums, lies within the oxycline below the oxygen minimum zone, and is in contact with the continental slope sediments. The d
N″ maximum lies within the oxygen minimum zone with O
2<∼2
μmol/kg, is in contact with shelf or upper slope sediments, and is always associated with a secondary nitrite maximum in the water column. The spatial extent of d
N is much larger than that of d
N″. The low N/P remineralization ratio (<15) for deep waters (θ<∼10
°C) and the d
N maximum in the lower oxycline can be best explained by the partial conversion of organic nitrogen into N
2, N
2O, and NO by yet unidentified bacteria during oxidation of organic matter. These bacteria may have evolved in a low oxygen and high nitrate environment to utilize both oxygen and nitrate as terminal electron acceptors during oxidation of organic matter (i.e. the partial nitrification hypothesis). Direct proof is urgently needed.</description><subject>Anammox</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>Denitrification</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Geochemistry</subject><subject>Indian Ocean</subject><subject>Marine</subject><subject>Mineralogy</subject><subject>Nitrate deficit</subject><subject>Nitrates</subject><subject>Nitrification</subject><subject>Oceans</subject><subject>Partial nitrification</subject><subject>Physical and chemical properties of sea water</subject><subject>Physics of the oceans</subject><subject>Remineralization ratios</subject><subject>Sea water ecosystems</subject><subject>Silicates</subject><subject>Synecology</subject><subject>Water geochemistry</subject><issn>0967-0637</issn><issn>1879-0119</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouH78AG9F0FvrpG2SBk8ifoHoQT2H2WSKWXZTTbrC_nuz7ILowVOSyfPODA9jJxwqDlxezCqXYlUDiAp0BaB32IR3SpfAud5lE9BSlSAbtc8OUpoB5FAHE_by5MeIIxWOem_9mIrpqgi55vMTRz-EAoPLv79rH3GwlBKlwodifKfiITiPoXi2hOGI7fU4T3S8PQ_Z2-3N6_V9-fh893B99VhiC91YIjRtT_VUtKTaWqDKF1trbh3JKYdGOjXVWlgu0AmlUDROkG2cFg22XY_NITvf9M3bfC4pjWbhk6X5HAMNy2Rq6CTIVmfw9A84G5Yx5N0M11J2Wog2Q3wD2TikFKk3H9EvMK4MB7N2bGYmOzZrxwa0yY5z5mzbGJPFeR8xWJ9-gqpteMfX3OWGo6zjy1M0yXoKlpyPZEfjBv_PlG8Z4JFy</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>Li, Yuan-Hui</creator><creator>Menviel, Laurie</creator><creator>Peng, Tsung-Hung</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Pergamon Press Inc</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T7</scope><scope>7TN</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H96</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope></search><sort><creationdate>2006</creationdate><title>Nitrate deficits by nitrification and denitrification processes in the Indian Ocean</title><author>Li, Yuan-Hui ; Menviel, Laurie ; Peng, Tsung-Hung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a408t-a034fe2b54e7425a754ec291cde6b1036d7b995c15ad577a53d5ec3d953a48fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Anammox</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>Denitrification</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>External geophysics</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Geochemistry</topic><topic>Indian Ocean</topic><topic>Marine</topic><topic>Mineralogy</topic><topic>Nitrate deficit</topic><topic>Nitrates</topic><topic>Nitrification</topic><topic>Oceans</topic><topic>Partial nitrification</topic><topic>Physical and chemical properties of sea water</topic><topic>Physics of the oceans</topic><topic>Remineralization ratios</topic><topic>Sea water ecosystems</topic><topic>Silicates</topic><topic>Synecology</topic><topic>Water geochemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Yuan-Hui</creatorcontrib><creatorcontrib>Menviel, Laurie</creatorcontrib><creatorcontrib>Peng, Tsung-Hung</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic 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>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Deep-sea research. Part I, Oceanographic research papers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Yuan-Hui</au><au>Menviel, Laurie</au><au>Peng, Tsung-Hung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nitrate deficits by nitrification and denitrification processes in the Indian Ocean</atitle><jtitle>Deep-sea research. Part I, Oceanographic research papers</jtitle><date>2006</date><risdate>2006</risdate><volume>53</volume><issue>1</issue><spage>94</spage><epage>110</epage><pages>94-110</pages><issn>0967-0637</issn><eissn>1879-0119</eissn><abstract>The three-end-member mixing model of Li and Peng [Latitudinal change of remineralization ratios in the oceans and its implication for nutrient cycles. Global Biogeochemical Cycles 16, 1130–1145] was applied to the World Ocean Circulation Experiment (WOCE) data from Indian Ocean to obtain additional estimates on the remineralization ratios
(
P
⧹
N
⧹
C
org
⧹
‐
O
2
)
of organic matter in the oxygenated regions. The results show systematic changes of the remineralization ratios with latitude and depth in the Indian Ocean. The average remineralization ratios for Indian warm water masses (potential temperature
θ
>
∼
10
∘
C
) are
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
(
15.6
±
0.7
)
⧹
(
110
±
9
)
⧹
(
159
±
8
)
. These are comparable to the traditional Redfield ratios
(
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
16
⧹
106
⧹
138
)
, and are in good agreement with Anderson's [On the hydrogen and oxygen content of marine phytoplankton. Deep-Sea Research I 42, 1675–1680.] values of
P
⧹
N
⧹
C
org
⧹
‐
O
2
=
1
⧹
16
⧹
106
⧹
150
within the given uncertainties. Separation of nitrate deficits resulting from aerobic partial nitrification (d
N) and anaerobic denitrification (d
N″) processes using empirical equations is shown to be useful and consistent with other observations. The d
N maximum coincides with the phosphate and nitrate maximums, lies within the oxycline below the oxygen minimum zone, and is in contact with the continental slope sediments. The d
N″ maximum lies within the oxygen minimum zone with O
2<∼2
μmol/kg, is in contact with shelf or upper slope sediments, and is always associated with a secondary nitrite maximum in the water column. The spatial extent of d
N is much larger than that of d
N″. The low N/P remineralization ratio (<15) for deep waters (θ<∼10
°C) and the d
N maximum in the lower oxycline can be best explained by the partial conversion of organic nitrogen into N
2, N
2O, and NO by yet unidentified bacteria during oxidation of organic matter. These bacteria may have evolved in a low oxygen and high nitrate environment to utilize both oxygen and nitrate as terminal electron acceptors during oxidation of organic matter (i.e. the partial nitrification hypothesis). Direct proof is urgently needed.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.dsr.2005.09.009</doi><tpages>17</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0967-0637 |
| ispartof | Deep-sea research. Part I, Oceanographic research papers, 2006, Vol.53 (1), p.94-110 |
| issn | 0967-0637 1879-0119 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_20860649 |
| source | ScienceDirect Journals |
| subjects | Anammox Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Denitrification Earth sciences Earth, ocean, space Exact sciences and technology External geophysics Fundamental and applied biological sciences. Psychology Geochemistry Indian Ocean Marine Mineralogy Nitrate deficit Nitrates Nitrification Oceans Partial nitrification Physical and chemical properties of sea water Physics of the oceans Remineralization ratios Sea water ecosystems Silicates Synecology Water geochemistry |
| title | Nitrate deficits by nitrification and denitrification processes in the Indian Ocean |
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