Riverine nitrogen and carbon exports from the Canadian landmass to estuaries
Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Clair, Thomas A. [verfasserIn] Dennis, Ian F. [verfasserIn] Bélanger, Simon [verfasserIn] |
|---|
| Format: |
E-Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2013 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Biogeochemistry - Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984, 115(2013), 1-3 vom: 11. Feb., Seite 195-211 |
|---|---|
| Übergeordnetes Werk: |
volume:115 ; year:2013 ; number:1-3 ; day:11 ; month:02 ; pages:195-211 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10533-013-9828-2 |
|---|
| Katalog-ID: |
SPR01095306X |
|---|
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| 245 | 1 | 0 | |a Riverine nitrogen and carbon exports from the Canadian landmass to estuaries |
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| 520 | |a Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. | ||
| 650 | 4 | |a Nitrogen |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Carbon |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Rivers |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Exports |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Arctic |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Canada |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Dennis, Ian F. |e verfasserin |4 aut | |
| 700 | 1 | |a Bélanger, Simon |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Biogeochemistry |d Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 |g 115(2013), 1-3 vom: 11. Feb., Seite 195-211 |w (DE-627)270935096 |w (DE-600)1478541-9 |x 1573-515X |7 nnns |
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| 952 | |d 115 |j 2013 |e 1-3 |b 11 |c 02 |h 195-211 | ||
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10.1007/s10533-013-9828-2 doi (DE-627)SPR01095306X (SPR)s10533-013-9828-2-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Clair, Thomas A. verfasserin aut Riverine nitrogen and carbon exports from the Canadian landmass to estuaries 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. Nitrogen (dpeaa)DE-He213 Carbon (dpeaa)DE-He213 Rivers (dpeaa)DE-He213 Exports (dpeaa)DE-He213 Arctic (dpeaa)DE-He213 Canada (dpeaa)DE-He213 Dennis, Ian F. verfasserin aut Bélanger, Simon verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 115(2013), 1-3 vom: 11. Feb., Seite 195-211 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:115 year:2013 number:1-3 day:11 month:02 pages:195-211 https://dx.doi.org/10.1007/s10533-013-9828-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 115 2013 1-3 11 02 195-211 |
| spelling |
10.1007/s10533-013-9828-2 doi (DE-627)SPR01095306X (SPR)s10533-013-9828-2-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Clair, Thomas A. verfasserin aut Riverine nitrogen and carbon exports from the Canadian landmass to estuaries 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. Nitrogen (dpeaa)DE-He213 Carbon (dpeaa)DE-He213 Rivers (dpeaa)DE-He213 Exports (dpeaa)DE-He213 Arctic (dpeaa)DE-He213 Canada (dpeaa)DE-He213 Dennis, Ian F. verfasserin aut Bélanger, Simon verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 115(2013), 1-3 vom: 11. Feb., Seite 195-211 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:115 year:2013 number:1-3 day:11 month:02 pages:195-211 https://dx.doi.org/10.1007/s10533-013-9828-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 115 2013 1-3 11 02 195-211 |
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10.1007/s10533-013-9828-2 doi (DE-627)SPR01095306X (SPR)s10533-013-9828-2-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Clair, Thomas A. verfasserin aut Riverine nitrogen and carbon exports from the Canadian landmass to estuaries 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. Nitrogen (dpeaa)DE-He213 Carbon (dpeaa)DE-He213 Rivers (dpeaa)DE-He213 Exports (dpeaa)DE-He213 Arctic (dpeaa)DE-He213 Canada (dpeaa)DE-He213 Dennis, Ian F. verfasserin aut Bélanger, Simon verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 115(2013), 1-3 vom: 11. Feb., Seite 195-211 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:115 year:2013 number:1-3 day:11 month:02 pages:195-211 https://dx.doi.org/10.1007/s10533-013-9828-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 115 2013 1-3 11 02 195-211 |
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10.1007/s10533-013-9828-2 doi (DE-627)SPR01095306X (SPR)s10533-013-9828-2-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Clair, Thomas A. verfasserin aut Riverine nitrogen and carbon exports from the Canadian landmass to estuaries 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. Nitrogen (dpeaa)DE-He213 Carbon (dpeaa)DE-He213 Rivers (dpeaa)DE-He213 Exports (dpeaa)DE-He213 Arctic (dpeaa)DE-He213 Canada (dpeaa)DE-He213 Dennis, Ian F. verfasserin aut Bélanger, Simon verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 115(2013), 1-3 vom: 11. Feb., Seite 195-211 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:115 year:2013 number:1-3 day:11 month:02 pages:195-211 https://dx.doi.org/10.1007/s10533-013-9828-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 115 2013 1-3 11 02 195-211 |
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10.1007/s10533-013-9828-2 doi (DE-627)SPR01095306X (SPR)s10533-013-9828-2-e DE-627 ger DE-627 rakwb eng 540 550 ASE 35.70 bkl 38.32 bkl Clair, Thomas A. verfasserin aut Riverine nitrogen and carbon exports from the Canadian landmass to estuaries 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. Nitrogen (dpeaa)DE-He213 Carbon (dpeaa)DE-He213 Rivers (dpeaa)DE-He213 Exports (dpeaa)DE-He213 Arctic (dpeaa)DE-He213 Canada (dpeaa)DE-He213 Dennis, Ian F. verfasserin aut Bélanger, Simon verfasserin aut Enthalten in Biogeochemistry Dordrecht [u.a.] : Springer Science + Business Media B.V., 1984 115(2013), 1-3 vom: 11. Feb., Seite 195-211 (DE-627)270935096 (DE-600)1478541-9 1573-515X nnns volume:115 year:2013 number:1-3 day:11 month:02 pages:195-211 https://dx.doi.org/10.1007/s10533-013-9828-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2939 GBV_ILN_2946 GBV_ILN_2949 GBV_ILN_2951 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4393 GBV_ILN_4700 35.70 ASE 38.32 ASE AR 115 2013 1-3 11 02 195-211 |
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Enthalten in Biogeochemistry 115(2013), 1-3 vom: 11. Feb., Seite 195-211 volume:115 year:2013 number:1-3 day:11 month:02 pages:195-211 |
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Enthalten in Biogeochemistry 115(2013), 1-3 vom: 11. Feb., Seite 195-211 volume:115 year:2013 number:1-3 day:11 month:02 pages:195-211 |
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Nitrogen Carbon Rivers Exports Arctic Canada |
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Clair, Thomas A. @@aut@@ Dennis, Ian F. @@aut@@ Bélanger, Simon @@aut@@ |
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N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. 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|
| author |
Clair, Thomas A. |
| spellingShingle |
Clair, Thomas A. ddc 540 bkl 35.70 bkl 38.32 misc Nitrogen misc Carbon misc Rivers misc Exports misc Arctic misc Canada Riverine nitrogen and carbon exports from the Canadian landmass to estuaries |
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Clair, Thomas A. |
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@@773@@(DE-627)270935096 |
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electronic Article |
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540 - Chemistry & allied sciences 550 - Earth sciences |
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keep |
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aut aut aut |
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springer |
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Not Illustrated |
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1573-515X |
| topic_title |
540 550 ASE 35.70 bkl 38.32 bkl Riverine nitrogen and carbon exports from the Canadian landmass to estuaries Nitrogen (dpeaa)DE-He213 Carbon (dpeaa)DE-He213 Rivers (dpeaa)DE-He213 Exports (dpeaa)DE-He213 Arctic (dpeaa)DE-He213 Canada (dpeaa)DE-He213 |
| topic |
ddc 540 bkl 35.70 bkl 38.32 misc Nitrogen misc Carbon misc Rivers misc Exports misc Arctic misc Canada |
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ddc 540 bkl 35.70 bkl 38.32 misc Nitrogen misc Carbon misc Rivers misc Exports misc Arctic misc Canada |
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ddc 540 bkl 35.70 bkl 38.32 misc Nitrogen misc Carbon misc Rivers misc Exports misc Arctic misc Canada |
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Elektronische Aufsätze Aufsätze Elektronische Ressource |
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Biogeochemistry |
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Riverine nitrogen and carbon exports from the Canadian landmass to estuaries |
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Riverine nitrogen and carbon exports from the Canadian landmass to estuaries |
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Clair, Thomas A. |
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Biogeochemistry |
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Clair, Thomas A. Dennis, Ian F. Bélanger, Simon |
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Clair, Thomas A. |
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riverine nitrogen and carbon exports from the canadian landmass to estuaries |
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Riverine nitrogen and carbon exports from the Canadian landmass to estuaries |
| abstract |
Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. |
| abstractGer |
Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. |
| abstract_unstemmed |
Abstract Dissolved total nitrogen ($ N_{t} $) and total organic carbon (TOC) exports were measured from 30 catchments and regions draining 76 % of the Canadian landscape in order to estimate reactive N and organic C runoff losses to estuaries and the conditions that control them. N exports from the catchments were lower than measured in most of Europe and the United States due to significantly less agricultural activity and atmospheric deposition, especially in northern Canada. We produce statistical models using a number of geographical, climatic, agricultural, and population factors in order to predict N and C losses from the remaining regions. Using measured and extrapolated data, we estimated that the Canadian landscape exports 884 and 18,210 ktons of $ N_{t} $ and OC per year. Area normalized exports ranged from 29.4 kg $ km^{−2} $ for the northern Mackenzie River to 299 kg $ km^{−2} $ for the semi-agricultural Saint John. Area normalized OC exports ranged from 495 kg $ km^{−2} $ in the high Arctic to 7,295 to the wetland dominated Broadback River in northern Quebec. N exports were best predicted by the latitude of the catchment centroid, mean slope, population density, runoff and % of the catchment as agricultural land. The best model for predicting TOC exports needed only slope and runoff. The $ N_{t} $/OC ratio in the rivers unsurprisingly was highest in the southern portion of the country where anthropogenic activities were concentrated. |
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Riverine nitrogen and carbon exports from the Canadian landmass to estuaries |
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| score |
7.4014397 |