Long-term biogeochemical functioning of the Red River (Vietnam): past and present situations
Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of...
Ausführliche Beschreibung
Autor*in: |
Le, Thi Phuong Quynh [verfasserIn] Billen, Gilles [verfasserIn] Garnier, Josette [verfasserIn] Chau, Van Minh [verfasserIn] |
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Englisch |
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2014 |
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Übergeordnetes Werk: |
Enthalten in: Regional Environmental Change - Springer-Verlag, 2001, 15(2014), 2 vom: 12. Juli, Seite 329-339 |
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Übergeordnetes Werk: |
volume:15 ; year:2014 ; number:2 ; day:12 ; month:07 ; pages:329-339 |
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DOI / URN: |
10.1007/s10113-014-0646-4 |
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SPR008815860 |
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10.1007/s10113-014-0646-4 doi (DE-627)SPR008815860 (SPR)s10113-014-0646-4-e DE-627 ger DE-627 rakwb eng Le, Thi Phuong Quynh verfasserin aut Long-term biogeochemical functioning of the Red River (Vietnam): past and present situations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of these changes, related to intensification of agriculture, deforestation, increase in population and urbanization, impoundment of reservoirs, etc. This information is used in a modeling approach of the nutrient transfers and transformations along the river system, in order to evaluate the changes in water quality of the Red River and its potential for coastal eutrophication. We conclude that the combination of increased nitrogen release from agriculture and retention of phosphorus in the reservoirs has considerably changed the balance of nutrients delivered at the outlet of the river, bringing the system close to a turning point in its nutrient biogeochemistry and its potential for coastal eutrophication. The upcoming impoundment of four new major dams in the watershed makes this conclusion particularly relevant. Nutrient (dpeaa)DE-He213 Modeling (dpeaa)DE-He213 Long-term period (dpeaa)DE-He213 Eutrophication (dpeaa)DE-He213 Red River (dpeaa)DE-He213 Vietnam (dpeaa)DE-He213 Billen, Gilles verfasserin aut Garnier, Josette verfasserin aut Chau, Van Minh verfasserin aut Enthalten in Regional Environmental Change Springer-Verlag, 2001 15(2014), 2 vom: 12. Juli, Seite 329-339 (DE-627)SPR008808457 nnns volume:15 year:2014 number:2 day:12 month:07 pages:329-339 https://dx.doi.org/10.1007/s10113-014-0646-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 15 2014 2 12 07 329-339 |
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10.1007/s10113-014-0646-4 doi (DE-627)SPR008815860 (SPR)s10113-014-0646-4-e DE-627 ger DE-627 rakwb eng Le, Thi Phuong Quynh verfasserin aut Long-term biogeochemical functioning of the Red River (Vietnam): past and present situations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of these changes, related to intensification of agriculture, deforestation, increase in population and urbanization, impoundment of reservoirs, etc. This information is used in a modeling approach of the nutrient transfers and transformations along the river system, in order to evaluate the changes in water quality of the Red River and its potential for coastal eutrophication. We conclude that the combination of increased nitrogen release from agriculture and retention of phosphorus in the reservoirs has considerably changed the balance of nutrients delivered at the outlet of the river, bringing the system close to a turning point in its nutrient biogeochemistry and its potential for coastal eutrophication. The upcoming impoundment of four new major dams in the watershed makes this conclusion particularly relevant. Nutrient (dpeaa)DE-He213 Modeling (dpeaa)DE-He213 Long-term period (dpeaa)DE-He213 Eutrophication (dpeaa)DE-He213 Red River (dpeaa)DE-He213 Vietnam (dpeaa)DE-He213 Billen, Gilles verfasserin aut Garnier, Josette verfasserin aut Chau, Van Minh verfasserin aut Enthalten in Regional Environmental Change Springer-Verlag, 2001 15(2014), 2 vom: 12. Juli, Seite 329-339 (DE-627)SPR008808457 nnns volume:15 year:2014 number:2 day:12 month:07 pages:329-339 https://dx.doi.org/10.1007/s10113-014-0646-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 15 2014 2 12 07 329-339 |
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10.1007/s10113-014-0646-4 doi (DE-627)SPR008815860 (SPR)s10113-014-0646-4-e DE-627 ger DE-627 rakwb eng Le, Thi Phuong Quynh verfasserin aut Long-term biogeochemical functioning of the Red River (Vietnam): past and present situations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of these changes, related to intensification of agriculture, deforestation, increase in population and urbanization, impoundment of reservoirs, etc. This information is used in a modeling approach of the nutrient transfers and transformations along the river system, in order to evaluate the changes in water quality of the Red River and its potential for coastal eutrophication. We conclude that the combination of increased nitrogen release from agriculture and retention of phosphorus in the reservoirs has considerably changed the balance of nutrients delivered at the outlet of the river, bringing the system close to a turning point in its nutrient biogeochemistry and its potential for coastal eutrophication. The upcoming impoundment of four new major dams in the watershed makes this conclusion particularly relevant. Nutrient (dpeaa)DE-He213 Modeling (dpeaa)DE-He213 Long-term period (dpeaa)DE-He213 Eutrophication (dpeaa)DE-He213 Red River (dpeaa)DE-He213 Vietnam (dpeaa)DE-He213 Billen, Gilles verfasserin aut Garnier, Josette verfasserin aut Chau, Van Minh verfasserin aut Enthalten in Regional Environmental Change Springer-Verlag, 2001 15(2014), 2 vom: 12. Juli, Seite 329-339 (DE-627)SPR008808457 nnns volume:15 year:2014 number:2 day:12 month:07 pages:329-339 https://dx.doi.org/10.1007/s10113-014-0646-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 15 2014 2 12 07 329-339 |
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10.1007/s10113-014-0646-4 doi (DE-627)SPR008815860 (SPR)s10113-014-0646-4-e DE-627 ger DE-627 rakwb eng Le, Thi Phuong Quynh verfasserin aut Long-term biogeochemical functioning of the Red River (Vietnam): past and present situations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of these changes, related to intensification of agriculture, deforestation, increase in population and urbanization, impoundment of reservoirs, etc. This information is used in a modeling approach of the nutrient transfers and transformations along the river system, in order to evaluate the changes in water quality of the Red River and its potential for coastal eutrophication. We conclude that the combination of increased nitrogen release from agriculture and retention of phosphorus in the reservoirs has considerably changed the balance of nutrients delivered at the outlet of the river, bringing the system close to a turning point in its nutrient biogeochemistry and its potential for coastal eutrophication. The upcoming impoundment of four new major dams in the watershed makes this conclusion particularly relevant. Nutrient (dpeaa)DE-He213 Modeling (dpeaa)DE-He213 Long-term period (dpeaa)DE-He213 Eutrophication (dpeaa)DE-He213 Red River (dpeaa)DE-He213 Vietnam (dpeaa)DE-He213 Billen, Gilles verfasserin aut Garnier, Josette verfasserin aut Chau, Van Minh verfasserin aut Enthalten in Regional Environmental Change Springer-Verlag, 2001 15(2014), 2 vom: 12. Juli, Seite 329-339 (DE-627)SPR008808457 nnns volume:15 year:2014 number:2 day:12 month:07 pages:329-339 https://dx.doi.org/10.1007/s10113-014-0646-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 15 2014 2 12 07 329-339 |
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10.1007/s10113-014-0646-4 doi (DE-627)SPR008815860 (SPR)s10113-014-0646-4-e DE-627 ger DE-627 rakwb eng Le, Thi Phuong Quynh verfasserin aut Long-term biogeochemical functioning of the Red River (Vietnam): past and present situations 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of these changes, related to intensification of agriculture, deforestation, increase in population and urbanization, impoundment of reservoirs, etc. This information is used in a modeling approach of the nutrient transfers and transformations along the river system, in order to evaluate the changes in water quality of the Red River and its potential for coastal eutrophication. We conclude that the combination of increased nitrogen release from agriculture and retention of phosphorus in the reservoirs has considerably changed the balance of nutrients delivered at the outlet of the river, bringing the system close to a turning point in its nutrient biogeochemistry and its potential for coastal eutrophication. The upcoming impoundment of four new major dams in the watershed makes this conclusion particularly relevant. Nutrient (dpeaa)DE-He213 Modeling (dpeaa)DE-He213 Long-term period (dpeaa)DE-He213 Eutrophication (dpeaa)DE-He213 Red River (dpeaa)DE-He213 Vietnam (dpeaa)DE-He213 Billen, Gilles verfasserin aut Garnier, Josette verfasserin aut Chau, Van Minh verfasserin aut Enthalten in Regional Environmental Change Springer-Verlag, 2001 15(2014), 2 vom: 12. Juli, Seite 329-339 (DE-627)SPR008808457 nnns volume:15 year:2014 number:2 day:12 month:07 pages:329-339 https://dx.doi.org/10.1007/s10113-014-0646-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER AR 15 2014 2 12 07 329-339 |
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Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of these changes, related to intensification of agriculture, deforestation, increase in population and urbanization, impoundment of reservoirs, etc. This information is used in a modeling approach of the nutrient transfers and transformations along the river system, in order to evaluate the changes in water quality of the Red River and its potential for coastal eutrophication. We conclude that the combination of increased nitrogen release from agriculture and retention of phosphorus in the reservoirs has considerably changed the balance of nutrients delivered at the outlet of the river, bringing the system close to a turning point in its nutrient biogeochemistry and its potential for coastal eutrophication. The upcoming impoundment of four new major dams in the watershed makes this conclusion particularly relevant. |
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Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of these changes, related to intensification of agriculture, deforestation, increase in population and urbanization, impoundment of reservoirs, etc. This information is used in a modeling approach of the nutrient transfers and transformations along the river system, in order to evaluate the changes in water quality of the Red River and its potential for coastal eutrophication. We conclude that the combination of increased nitrogen release from agriculture and retention of phosphorus in the reservoirs has considerably changed the balance of nutrients delivered at the outlet of the river, bringing the system close to a turning point in its nutrient biogeochemistry and its potential for coastal eutrophication. The upcoming impoundment of four new major dams in the watershed makes this conclusion particularly relevant. |
abstract_unstemmed |
Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. During the last 50 years, major changes have occurred in its watershed, extending over an area of 156,450 $ km^{2} $ in Vietnam and China. We provide a detailed account of these changes, related to intensification of agriculture, deforestation, increase in population and urbanization, impoundment of reservoirs, etc. This information is used in a modeling approach of the nutrient transfers and transformations along the river system, in order to evaluate the changes in water quality of the Red River and its potential for coastal eutrophication. We conclude that the combination of increased nitrogen release from agriculture and retention of phosphorus in the reservoirs has considerably changed the balance of nutrients delivered at the outlet of the river, bringing the system close to a turning point in its nutrient biogeochemistry and its potential for coastal eutrophication. The upcoming impoundment of four new major dams in the watershed makes this conclusion particularly relevant. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR008815860</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20201124052047.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">201005s2014 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s10113-014-0646-4</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR008815860</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s10113-014-0646-4-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Le, Thi Phuong Quynh</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Long-term biogeochemical functioning of the Red River (Vietnam): past and present situations</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2014</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract The Red River (North Vietnam) is a typical example of a subtropical Asian river system undergoing high human pressure. 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