Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry

Detalhes bibliográficos
Autor(a) principal: Jiménez-Morillo, Nicasio T.
Data de Publicação: 2022
Outros Autores: Almendros, Gonzalo, Miller, Ana Z., Hatcher, Patrick G., González-Pérez, José A.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10174/31673
https://doi.org/10.1016/j.scitotenv.2022.152957
Resumo: Soil water repellency (SWR) is a physical property due to a complex interaction of factors (e.g., fire, soil organic matter, soil texture) that reduces the soil water infiltration capacity. Traditionally, SWR is attributed to the accumulation and redistribution of hydrophobic compounds within soil profile. To obtain further insight into chemical compounds, which could be associated with SWR, a study was done on coarse (1–2 mm) and fine (< 0.05 mm) granulometric fractions of burned and unburned sandy soils under two Mediterranean vegetation biomes from Doñana National Park (Spain). The water drop penetration time (WDPT) test was used to assess the SWR. The molecular composition of extracted humic substances from the soil organic matter (SOM) was determined by Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR/MS). Partial least squares (PLS) regressions showed that the SWR can be predicted (P = 0.006) solely based on the abundances of approximately 1200 common compounds determined by FT-ICR/MS. This model confirmed the significant correlation between a specific SOM molecular composition and the SWR. The comparative analysis revealed that the SWR in the burned samples was significantly (P < 0.05) related to the abundance of aromatic and condensed compounds, while in the unburned samples there was a significant influence of aromatic hydrocarbons and lignin compounds. In the fine fraction, lipid compounds were significantly associated with the SWR. Contrastingly, the coarse fraction did not show any correlation. Alternatively, soils with a high SWR were significantly related to the presence of lipids and lignin. This analysis showed that combining FT-ICR/MS molecular characterizations with statistical treatments is a powerful approach for exploratory analysis suggesting that the structural features associated with SWR in the studied soils are different depending on the types of vegetation or the soil physical fractions with different particle size.
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spelling Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometryFT-ICR/MSForest firePartial least squares regressionSoil organic matterVan KrevelenWater repellencySoil water repellency (SWR) is a physical property due to a complex interaction of factors (e.g., fire, soil organic matter, soil texture) that reduces the soil water infiltration capacity. Traditionally, SWR is attributed to the accumulation and redistribution of hydrophobic compounds within soil profile. To obtain further insight into chemical compounds, which could be associated with SWR, a study was done on coarse (1–2 mm) and fine (< 0.05 mm) granulometric fractions of burned and unburned sandy soils under two Mediterranean vegetation biomes from Doñana National Park (Spain). The water drop penetration time (WDPT) test was used to assess the SWR. The molecular composition of extracted humic substances from the soil organic matter (SOM) was determined by Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR/MS). Partial least squares (PLS) regressions showed that the SWR can be predicted (P = 0.006) solely based on the abundances of approximately 1200 common compounds determined by FT-ICR/MS. This model confirmed the significant correlation between a specific SOM molecular composition and the SWR. The comparative analysis revealed that the SWR in the burned samples was significantly (P < 0.05) related to the abundance of aromatic and condensed compounds, while in the unburned samples there was a significant influence of aromatic hydrocarbons and lignin compounds. In the fine fraction, lipid compounds were significantly associated with the SWR. Contrastingly, the coarse fraction did not show any correlation. Alternatively, soils with a high SWR were significantly related to the presence of lipids and lignin. This analysis showed that combining FT-ICR/MS molecular characterizations with statistical treatments is a powerful approach for exploratory analysis suggesting that the structural features associated with SWR in the studied soils are different depending on the types of vegetation or the soil physical fractions with different particle size.Science of the Total Environment2022-03-30T16:30:59Z2022-03-302022-04-15T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://hdl.handle.net/10174/31673http://hdl.handle.net/10174/31673https://doi.org/10.1016/j.scitotenv.2022.152957engJiménez-Morillo NT, Almendros G, Miller AZ, Hatcher PG, González-Pérez JA (2022). Hydrophobicity of soils affected by fires: an assessment using molecular markers from ultra-high resolution mass spectrometry. Sci. Total Environ. 817, 152957Science of the Total Environmentntjm@uevora.ptndanamiller@uevora.ptndnd396Jiménez-Morillo, Nicasio T.Almendros, GonzaloMiller, Ana Z.Hatcher, Patrick G.González-Pérez, José A.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-01-03T19:31:19Zoai:dspace.uevora.pt:10174/31673Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T01:20:41.994099Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry
title Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry
spellingShingle Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry
Jiménez-Morillo, Nicasio T.
FT-ICR/MS
Forest fire
Partial least squares regression
Soil organic matter
Van Krevelen
Water repellency
title_short Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry
title_full Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry
title_fullStr Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry
title_full_unstemmed Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry
title_sort Hydrophobicity of soils affected by fires: An assessment using molecular markers from ultra-high resolution mass spectrometry
author Jiménez-Morillo, Nicasio T.
author_facet Jiménez-Morillo, Nicasio T.
Almendros, Gonzalo
Miller, Ana Z.
Hatcher, Patrick G.
González-Pérez, José A.
author_role author
author2 Almendros, Gonzalo
Miller, Ana Z.
Hatcher, Patrick G.
González-Pérez, José A.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Jiménez-Morillo, Nicasio T.
Almendros, Gonzalo
Miller, Ana Z.
Hatcher, Patrick G.
González-Pérez, José A.
dc.subject.por.fl_str_mv FT-ICR/MS
Forest fire
Partial least squares regression
Soil organic matter
Van Krevelen
Water repellency
topic FT-ICR/MS
Forest fire
Partial least squares regression
Soil organic matter
Van Krevelen
Water repellency
description Soil water repellency (SWR) is a physical property due to a complex interaction of factors (e.g., fire, soil organic matter, soil texture) that reduces the soil water infiltration capacity. Traditionally, SWR is attributed to the accumulation and redistribution of hydrophobic compounds within soil profile. To obtain further insight into chemical compounds, which could be associated with SWR, a study was done on coarse (1–2 mm) and fine (< 0.05 mm) granulometric fractions of burned and unburned sandy soils under two Mediterranean vegetation biomes from Doñana National Park (Spain). The water drop penetration time (WDPT) test was used to assess the SWR. The molecular composition of extracted humic substances from the soil organic matter (SOM) was determined by Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR/MS). Partial least squares (PLS) regressions showed that the SWR can be predicted (P = 0.006) solely based on the abundances of approximately 1200 common compounds determined by FT-ICR/MS. This model confirmed the significant correlation between a specific SOM molecular composition and the SWR. The comparative analysis revealed that the SWR in the burned samples was significantly (P < 0.05) related to the abundance of aromatic and condensed compounds, while in the unburned samples there was a significant influence of aromatic hydrocarbons and lignin compounds. In the fine fraction, lipid compounds were significantly associated with the SWR. Contrastingly, the coarse fraction did not show any correlation. Alternatively, soils with a high SWR were significantly related to the presence of lipids and lignin. This analysis showed that combining FT-ICR/MS molecular characterizations with statistical treatments is a powerful approach for exploratory analysis suggesting that the structural features associated with SWR in the studied soils are different depending on the types of vegetation or the soil physical fractions with different particle size.
publishDate 2022
dc.date.none.fl_str_mv 2022-03-30T16:30:59Z
2022-03-30
2022-04-15T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10174/31673
http://hdl.handle.net/10174/31673
https://doi.org/10.1016/j.scitotenv.2022.152957
url http://hdl.handle.net/10174/31673
https://doi.org/10.1016/j.scitotenv.2022.152957
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Jiménez-Morillo NT, Almendros G, Miller AZ, Hatcher PG, González-Pérez JA (2022). Hydrophobicity of soils affected by fires: an assessment using molecular markers from ultra-high resolution mass spectrometry. Sci. Total Environ. 817, 152957
Science of the Total Environment
ntjm@uevora.pt
nd
anamiller@uevora.pt
nd
nd
396
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dc.publisher.none.fl_str_mv Science of the Total Environment
publisher.none.fl_str_mv Science of the Total Environment
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
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