Sources of dissolved organic carbon in small volcanic mountainous tropical rivers, examples from Guadeloupe (French West Indies)
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- 作者：Emily Lloreta ; b ; emily.lloret@univ-lille1.fr" class="auth_mail" title="E-mail the corresponding author ; Cé ; line Dessertb ; c ; d ; Heather L. Busse ; Carine Chaduteaub ; Sylvain Huonf ; Patrick Albericg ; Marc F. Benedettib
- 关键词：Organic carbon sources ; SOM ; Soil solution ; DOC ; Small tropical rivers
- 刊名：Geoderma
- 出版年：2016
- 出版时间：15 November 2016
- 年：2016
- 卷：282
- 期：Complete
- 页码：129-138
- 全文大小：861 K
文摘
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We assessed DOC sources in small volcanic tropical mountainous watersheds.
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Organic carbon in soil organic matter (SOM) and soil solutions were characterized.
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TOC and TN decreased with depth, and C/N ratios were constant along soil profile.
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13C/12C fractionation of SOM showed organism's activity, or SOM leaching.
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DOC sources were soil surface lixiviation (flood) and groundwater (low water level).