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Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska
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| Zeitschriftentitel: | Journal of Geophysical Research: Atmospheres |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Journal of Geophysical Research: Atmospheres, 108, 2003, D1 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
O'Neill, Katherine P. Kasischke, Eric S. Richter, Daniel D. O'Neill, Katherine P. Kasischke, Eric S. Richter, Daniel D. |
|---|---|
| author |
O'Neill, Katherine P. Kasischke, Eric S. Richter, Daniel D. |
| spellingShingle |
O'Neill, Katherine P. Kasischke, Eric S. Richter, Daniel D. Journal of Geophysical Research: Atmospheres Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| author_sort |
o'neill, katherine p. |
| spelling |
O'Neill, Katherine P. Kasischke, Eric S. Richter, Daniel D. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2001jd000443 <jats:p>Postfire changes in the local energy balance and soil chemistry may significantly alter rates of carbon turnover in organic‐rich soils of boreal forests. This study combines field measurements of soil carbon uptake and emission along a 140‐year chronosequence of burned black spruce stands to evaluate the timescales over which these disturbance effects operate. Soil CO<jats:sub>2</jats:sub> efflux increased as a function of stand age at a mean rate of 0.12 Mg C ha<jats:sup>−1</jats:sup> yr<jats:sup>−2</jats:sup> up to a maximum of 2.2 Mg C ha<jats:sup>−1</jats:sup> yr<jats:sup>−1</jats:sup> in the 140‐year‐old stand. During this same time period, organic soil horizons sequestered carbon and nitrogen at rates of 0.28–0.54 and 0.0076 Mg N ha<jats:sup>−1</jats:sup> yr<jats:sup>−1</jats:sup>, respectively. A mass balance model based on field measurements suggests that postfire changes in root and microbial respiration caused these soils to function as a net source of carbon for 7–15 years after fire, releasing between 1.8 and 11.0 Mg C ha<jats:sup>−1</jats:sup> to the atmosphere (12.4–12.6% of total soil organic matter). These estimates are on the same order of magnitude as carbon losses during combustion and suggest that current models may underestimate the effect of fire on carbon emissions by a factor of 2.</jats:p> Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska Journal of Geophysical Research: Atmospheres |
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10.1029/2001jd000443 |
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Online Free |
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Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik Geologie und Paläontologie Geographie Chemie und Pharmazie |
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American Geophysical Union (AGU), 2003 |
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| title |
Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_unstemmed |
Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_full |
Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_fullStr |
Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_full_unstemmed |
Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_short |
Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_sort |
seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior alaska |
| topic |
Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| url |
http://dx.doi.org/10.1029/2001jd000443 |
| publishDate |
2003 |
| physical |
|
| description |
<jats:p>Postfire changes in the local energy balance and soil chemistry may significantly alter rates of carbon turnover in organic‐rich soils of boreal forests. This study combines field measurements of soil carbon uptake and emission along a 140‐year chronosequence of burned black spruce stands to evaluate the timescales over which these disturbance effects operate. Soil CO<jats:sub>2</jats:sub> efflux increased as a function of stand age at a mean rate of 0.12 Mg C ha<jats:sup>−1</jats:sup> yr<jats:sup>−2</jats:sup> up to a maximum of 2.2 Mg C ha<jats:sup>−1</jats:sup> yr<jats:sup>−1</jats:sup> in the 140‐year‐old stand. During this same time period, organic soil horizons sequestered carbon and nitrogen at rates of 0.28–0.54 and 0.0076 Mg N ha<jats:sup>−1</jats:sup> yr<jats:sup>−1</jats:sup>, respectively. A mass balance model based on field measurements suggests that postfire changes in root and microbial respiration caused these soils to function as a net source of carbon for 7–15 years after fire, releasing between 1.8 and 11.0 Mg C ha<jats:sup>−1</jats:sup> to the atmosphere (12.4–12.6% of total soil organic matter). These estimates are on the same order of magnitude as carbon losses during combustion and suggest that current models may underestimate the effect of fire on carbon emissions by a factor of 2.</jats:p> |
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| author | O'Neill, Katherine P., Kasischke, Eric S., Richter, Daniel D. |
| author_facet | O'Neill, Katherine P., Kasischke, Eric S., Richter, Daniel D., O'Neill, Katherine P., Kasischke, Eric S., Richter, Daniel D. |
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| description | <jats:p>Postfire changes in the local energy balance and soil chemistry may significantly alter rates of carbon turnover in organic‐rich soils of boreal forests. This study combines field measurements of soil carbon uptake and emission along a 140‐year chronosequence of burned black spruce stands to evaluate the timescales over which these disturbance effects operate. Soil CO<jats:sub>2</jats:sub> efflux increased as a function of stand age at a mean rate of 0.12 Mg C ha<jats:sup>−1</jats:sup> yr<jats:sup>−2</jats:sup> up to a maximum of 2.2 Mg C ha<jats:sup>−1</jats:sup> yr<jats:sup>−1</jats:sup> in the 140‐year‐old stand. During this same time period, organic soil horizons sequestered carbon and nitrogen at rates of 0.28–0.54 and 0.0076 Mg N ha<jats:sup>−1</jats:sup> yr<jats:sup>−1</jats:sup>, respectively. A mass balance model based on field measurements suggests that postfire changes in root and microbial respiration caused these soils to function as a net source of carbon for 7–15 years after fire, releasing between 1.8 and 11.0 Mg C ha<jats:sup>−1</jats:sup> to the atmosphere (12.4–12.6% of total soil organic matter). These estimates are on the same order of magnitude as carbon losses during combustion and suggest that current models may underestimate the effect of fire on carbon emissions by a factor of 2.</jats:p> |
| doi_str_mv | 10.1029/2001jd000443 |
| facet_avail | Online, Free |
| finc_class_facet | Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft, Biologie, Allgemeine Naturwissenschaft, Physik, Technik, Geologie und Paläontologie, Geographie, Chemie und Pharmazie |
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| imprint | American Geophysical Union (AGU), 2003 |
| imprint_str_mv | American Geophysical Union (AGU), 2003 |
| institution | DE-Brt1, DE-Zwi2, DE-D161, DE-Zi4, DE-Gla1, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-105, DE-Ch1, DE-L229, DE-D275, DE-Bn3 |
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| language | English |
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| publishDate | 2003 |
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| publisher | American Geophysical Union (AGU) |
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| spelling | O'Neill, Katherine P. Kasischke, Eric S. Richter, Daniel D. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2001jd000443 <jats:p>Postfire changes in the local energy balance and soil chemistry may significantly alter rates of carbon turnover in organic‐rich soils of boreal forests. This study combines field measurements of soil carbon uptake and emission along a 140‐year chronosequence of burned black spruce stands to evaluate the timescales over which these disturbance effects operate. Soil CO<jats:sub>2</jats:sub> efflux increased as a function of stand age at a mean rate of 0.12 Mg C ha<jats:sup>−1</jats:sup> yr<jats:sup>−2</jats:sup> up to a maximum of 2.2 Mg C ha<jats:sup>−1</jats:sup> yr<jats:sup>−1</jats:sup> in the 140‐year‐old stand. During this same time period, organic soil horizons sequestered carbon and nitrogen at rates of 0.28–0.54 and 0.0076 Mg N ha<jats:sup>−1</jats:sup> yr<jats:sup>−1</jats:sup>, respectively. A mass balance model based on field measurements suggests that postfire changes in root and microbial respiration caused these soils to function as a net source of carbon for 7–15 years after fire, releasing between 1.8 and 11.0 Mg C ha<jats:sup>−1</jats:sup> to the atmosphere (12.4–12.6% of total soil organic matter). These estimates are on the same order of magnitude as carbon losses during combustion and suggest that current models may underestimate the effect of fire on carbon emissions by a factor of 2.</jats:p> Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska Journal of Geophysical Research: Atmospheres |
| spellingShingle | O'Neill, Katherine P., Kasischke, Eric S., Richter, Daniel D., Journal of Geophysical Research: Atmospheres, Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska, Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| title | Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_full | Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_fullStr | Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_full_unstemmed | Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_short | Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| title_sort | seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior alaska |
| title_unstemmed | Seasonal and decadal patterns of soil carbon uptake and emission along an age sequence of burned black spruce stands in interior Alaska |
| topic | Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| url | http://dx.doi.org/10.1029/2001jd000443 |