Isotope evidence for secondary sulfide precipitation along the Marsyandi River, Nepal, Himalayas
We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the sou...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Turchyn, Alexandra V. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2013transfer abstract |
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| Schlagwörter: |
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| Umfang: |
11 |
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| Übergeordnetes Werk: |
Enthalten in: Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption - Kılıç Depren, Serpil ELSEVIER, 2022, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:374 ; year:2013 ; day:15 ; month:07 ; pages:36-46 ; extent:11 |
| Links: |
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| DOI / URN: |
10.1016/j.epsl.2013.04.033 |
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ELV02756407X |
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| 520 | |a We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. | ||
| 520 | |a We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. | ||
| 650 | 7 | |a sulfate |2 Elsevier | |
| 650 | 7 | |a Marsyandi River |2 Elsevier | |
| 650 | 7 | |a sulfur isotopes |2 Elsevier | |
| 650 | 7 | |a sulfide |2 Elsevier | |
| 650 | 7 | |a oxygen isotopes |2 Elsevier | |
| 650 | 7 | |a Nepal |2 Elsevier | |
| 700 | 1 | |a Tipper, Edward T. |4 oth | |
| 700 | 1 | |a Galy, Albert |4 oth | |
| 700 | 1 | |a Lo, Jun-Kai |4 oth | |
| 700 | 1 | |a Bickle, Mike J. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Kılıç Depren, Serpil ELSEVIER |t Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption |d 2022 |g Amsterdam [u.a.] |w (DE-627)ELV008390509 |
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10.1016/j.epsl.2013.04.033 doi GBVA2013020000013.pica (DE-627)ELV02756407X (ELSEVIER)S0012-821X(13)00221-5 DE-627 ger DE-627 rakwb eng 550 550 DE-600 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Turchyn, Alexandra V. verfasserin aut Isotope evidence for secondary sulfide precipitation along the Marsyandi River, Nepal, Himalayas 2013transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. sulfate Elsevier Marsyandi River Elsevier sulfur isotopes Elsevier sulfide Elsevier oxygen isotopes Elsevier Nepal Elsevier Tipper, Edward T. oth Galy, Albert oth Lo, Jun-Kai oth Bickle, Mike J. oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:374 year:2013 day:15 month:07 pages:36-46 extent:11 https://doi.org/10.1016/j.epsl.2013.04.033 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 374 2013 15 0715 36-46 11 045F 550 |
| spelling |
10.1016/j.epsl.2013.04.033 doi GBVA2013020000013.pica (DE-627)ELV02756407X (ELSEVIER)S0012-821X(13)00221-5 DE-627 ger DE-627 rakwb eng 550 550 DE-600 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Turchyn, Alexandra V. verfasserin aut Isotope evidence for secondary sulfide precipitation along the Marsyandi River, Nepal, Himalayas 2013transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. sulfate Elsevier Marsyandi River Elsevier sulfur isotopes Elsevier sulfide Elsevier oxygen isotopes Elsevier Nepal Elsevier Tipper, Edward T. oth Galy, Albert oth Lo, Jun-Kai oth Bickle, Mike J. oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:374 year:2013 day:15 month:07 pages:36-46 extent:11 https://doi.org/10.1016/j.epsl.2013.04.033 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 374 2013 15 0715 36-46 11 045F 550 |
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10.1016/j.epsl.2013.04.033 doi GBVA2013020000013.pica (DE-627)ELV02756407X (ELSEVIER)S0012-821X(13)00221-5 DE-627 ger DE-627 rakwb eng 550 550 DE-600 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Turchyn, Alexandra V. verfasserin aut Isotope evidence for secondary sulfide precipitation along the Marsyandi River, Nepal, Himalayas 2013transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. sulfate Elsevier Marsyandi River Elsevier sulfur isotopes Elsevier sulfide Elsevier oxygen isotopes Elsevier Nepal Elsevier Tipper, Edward T. oth Galy, Albert oth Lo, Jun-Kai oth Bickle, Mike J. oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:374 year:2013 day:15 month:07 pages:36-46 extent:11 https://doi.org/10.1016/j.epsl.2013.04.033 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 374 2013 15 0715 36-46 11 045F 550 |
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10.1016/j.epsl.2013.04.033 doi GBVA2013020000013.pica (DE-627)ELV02756407X (ELSEVIER)S0012-821X(13)00221-5 DE-627 ger DE-627 rakwb eng 550 550 DE-600 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Turchyn, Alexandra V. verfasserin aut Isotope evidence for secondary sulfide precipitation along the Marsyandi River, Nepal, Himalayas 2013transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. sulfate Elsevier Marsyandi River Elsevier sulfur isotopes Elsevier sulfide Elsevier oxygen isotopes Elsevier Nepal Elsevier Tipper, Edward T. oth Galy, Albert oth Lo, Jun-Kai oth Bickle, Mike J. oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:374 year:2013 day:15 month:07 pages:36-46 extent:11 https://doi.org/10.1016/j.epsl.2013.04.033 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 374 2013 15 0715 36-46 11 045F 550 |
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10.1016/j.epsl.2013.04.033 doi GBVA2013020000013.pica (DE-627)ELV02756407X (ELSEVIER)S0012-821X(13)00221-5 DE-627 ger DE-627 rakwb eng 550 550 DE-600 610 333.7 VZ BIODIV DE-30 fid 42.90 bkl 42.11 bkl Turchyn, Alexandra V. verfasserin aut Isotope evidence for secondary sulfide precipitation along the Marsyandi River, Nepal, Himalayas 2013transfer abstract 11 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. sulfate Elsevier Marsyandi River Elsevier sulfur isotopes Elsevier sulfide Elsevier oxygen isotopes Elsevier Nepal Elsevier Tipper, Edward T. oth Galy, Albert oth Lo, Jun-Kai oth Bickle, Mike J. oth Enthalten in Elsevier Kılıç Depren, Serpil ELSEVIER Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption 2022 Amsterdam [u.a.] (DE-627)ELV008390509 volume:374 year:2013 day:15 month:07 pages:36-46 extent:11 https://doi.org/10.1016/j.epsl.2013.04.033 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA 42.90 Ökologie: Allgemeines VZ 42.11 Biomathematik Biokybernetik VZ AR 374 2013 15 0715 36-46 11 045F 550 |
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Turchyn, Alexandra V. |
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isotope evidence for secondary sulfide precipitation along the marsyandi river, nepal, himalayas |
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Isotope evidence for secondary sulfide precipitation along the Marsyandi River, Nepal, Himalayas |
| abstract |
We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. |
| abstractGer |
We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. |
| abstract_unstemmed |
We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments. |
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We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">We present sulfur and oxygen isotope data from 41 samples of dissolved riverine sulfate from along 65km of the Marsyandi River in the Northern Himalayas. Coupled sulfur and oxygen isotopic composition of riverine sulfate ( δ 34 S SO 4 and δ 18 O SO 4 respectively) yield unique constraints on the source of sulfur to the river system. The headwaters of the Marsyandi River have light δ 34 S SO 4 and δ 18 O SO 4 , which requires that the source of sulfate to the river is through the anoxic weathering of pyrite (likely via Fe3+). The δ 34 S SO 4 and δ 18 O SO 4 of sulfate in tributaries to the Marsyandi increase downstream, which could result either from inputs from evaporites or bacterial sulfate reduction with subsequent sulfide precipitation in warmer and wetter catchments; either of these processes could result in heavy δ 34 S SO 4 and δ 18 O SO 4 of the residual river sulfate. Elemental ratios such as Sr/Ca and Ca/SO4 suggest, as previous studies have also concluded, that evaporite weathering is not important in the Marsyandi River. We conclude that the isotope data is most consistent with the onset of bacterial sulfate reduction and secondary sulfide precipitation in the soils in the warmer and wetter downstream catchments. Our results have implications for understanding the source of sulfate to the ocean as well as the redox and acidity budget within rapidly eroding catchments.</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">sulfate</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Marsyandi River</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">sulfur isotopes</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">sulfide</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">oxygen isotopes</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Nepal</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Tipper, Edward T.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Galy, Albert</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lo, Jun-Kai</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Bickle, Mike J.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Elsevier</subfield><subfield code="a">Kılıç Depren, Serpil ELSEVIER</subfield><subfield code="t">Energy consumption and environmental degradation nexus: A systematic review and meta-analysis of fossil fuel and renewable energy consumption</subfield><subfield code="d">2022</subfield><subfield code="g">Amsterdam [u.a.]</subfield><subfield code="w">(DE-627)ELV008390509</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:374</subfield><subfield code="g">year:2013</subfield><subfield code="g">day:15</subfield><subfield code="g">month:07</subfield><subfield code="g">pages:36-46</subfield><subfield code="g">extent:11</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.epsl.2013.04.033</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">FID-BIODIV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">42.90</subfield><subfield code="j">Ökologie: Allgemeines</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">42.11</subfield><subfield code="j">Biomathematik</subfield><subfield code="j">Biokybernetik</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">374</subfield><subfield code="j">2013</subfield><subfield code="b">15</subfield><subfield code="c">0715</subfield><subfield code="h">36-46</subfield><subfield code="g">11</subfield></datafield><datafield tag="953" ind1=" " ind2=" "><subfield code="2">045F</subfield><subfield code="a">550</subfield></datafield></record></collection>
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