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Mapping Soil Carbon in Wildfire-Affe...

Katz, Sydney,

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Mapping Soil Carbon in Wildfire-Affected Areas of the McKenzie River Basin, Oregon, USA /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Mapping Soil Carbon in Wildfire-Affected Areas of the McKenzie River Basin, Oregon, USA // Sydney Katz.
作者:	Katz, Sydney,
面頁冊數:	1 electronic resource (47 pages)
附註:	Source: Masters Abstracts International, Volume: 85-06.
Contained By:	Masters Abstracts International85-06.
標題:	Soil sciences. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30566630
ISBN:	9798381144260

Mapping Soil Carbon in Wildfire-Affected Areas of the McKenzie River Basin, Oregon, USA /
Katz, Sydney,

Mapping Soil Carbon in Wildfire-Affected Areas of the McKenzie River Basin, Oregon, USA /Sydney Katz. - 1 electronic resource (47 pages)

Source: Masters Abstracts International, Volume: 85-06.

Large-scale wildfires are increasing in frequency and are likely to become more severe under future Pacific Northwest climate scenarios. The effects of wildfires on soil organic carbon (SOC) remain difficult to estimate because soil heterogeneity limits generalizations. We sampled a burn severity gradient (unburned, low, high) of the Holiday Farm Fire (McKenzie River, Oregon, 2020) in a detailed scheme to account for intra-site variation. We measured total SOC, mineral-associated organic carbon (MAOC, stable), particulate organic carbon (POC, unstable), and pyrogenic carbon (PyC, fire-derived). Compared to unburned, the low severity site had higher MAOC and significantly lower POC. We found lower PyC in burned sites, indicating combustion of this pool. There was remarkable variation within each site, but the consistent high levels of MAOC in low severity areas support prescribed burning as a technique to mitigate wildfire risk while limiting losses or increasing SOC compared to high severity fires.

English

ISBN: 9798381144260Subjects--Topical Terms:

2122699
Soil sciences.
Subjects--Index Terms:

Carbon

Mapping Soil Carbon in Wildfire-Affected Areas of the McKenzie River Basin, Oregon, USA /
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500 $a Source: Masters Abstracts International, Volume: 85-06.
500 $a Advisors: Silva, Lucas Committee members: Gavin, Dan.
502 $b M.S. $c University of Oregon $d 2023.
520 $a Large-scale wildfires are increasing in frequency and are likely to become more severe under future Pacific Northwest climate scenarios. The effects of wildfires on soil organic carbon (SOC) remain difficult to estimate because soil heterogeneity limits generalizations. We sampled a burn severity gradient (unburned, low, high) of the Holiday Farm Fire (McKenzie River, Oregon, 2020) in a detailed scheme to account for intra-site variation. We measured total SOC, mineral-associated organic carbon (MAOC, stable), particulate organic carbon (POC, unstable), and pyrogenic carbon (PyC, fire-derived). Compared to unburned, the low severity site had higher MAOC and significantly lower POC. We found lower PyC in burned sites, indicating combustion of this pool. There was remarkable variation within each site, but the consistent high levels of MAOC in low severity areas support prescribed burning as a technique to mitigate wildfire risk while limiting losses or increasing SOC compared to high severity fires.
546 $a English
590 $a School code: 0171
650 4 $a Soil sciences. $3 2122699
650 4 $a Physical geography. $3 516662
650 4 $a Climate change. $2 bicssc $3 2079509
653 $a Carbon
653 $a Land management
653 $a Oregon
653 $a Soil
653 $a Wildfire
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690 $a 0404
710 2 $a University of Oregon. $b Department of Geography. $e degree granting institution. $3 3829687
720 1 $a Silva, Lucas $e degree supervisor.
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