Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors
We report that Glacier forelands provide an excellent opportunity to investigate vegetation succession and soil development along the chronosequence; however, there are few studies on soil biogeochemical changes from environmental factors, aside from time. This study aimed to investigate soil develo...
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Online Access: | http://www.osti.gov/servlets/purl/1855800 https://www.osti.gov/biblio/1855800 https://doi.org/10.1016/j.geoderma.2022.115777 |
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ftosti:oai:osti.gov:1855800 2023-07-30T04:03:39+02:00 Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors Kim, You Jin Laffly, Dominique Kim, Se-eun Nilsen, Lennart Chi, Junhwa Nam, Sungjin Lee, Yong Bok Jeong, Sujeong Mishra, Umakant Lee, Yoo Kyung Jung, Ji Young 2023-02-21 application/pdf http://www.osti.gov/servlets/purl/1855800 https://www.osti.gov/biblio/1855800 https://doi.org/10.1016/j.geoderma.2022.115777 unknown http://www.osti.gov/servlets/purl/1855800 https://www.osti.gov/biblio/1855800 https://doi.org/10.1016/j.geoderma.2022.115777 doi:10.1016/j.geoderma.2022.115777 58 GEOSCIENCES 2023 ftosti https://doi.org/10.1016/j.geoderma.2022.115777 2023-07-11T10:11:12Z We report that Glacier forelands provide an excellent opportunity to investigate vegetation succession and soil development along the chronosequence; however, there are few studies on soil biogeochemical changes from environmental factors, aside from time. This study aimed to investigate soil development and biogeochemical changes in the glacier foreland of Midtre Lovenbreen, Svalbard, by considering various factors, including time. Eighteen vegetation and soil variables were measured at 38 different sampling sites of varying soil age, depth, and glacio-fluvial activity. Soil organic matter (SOM) was quantitatively measured, and the compositional changes in SOM were determined following size-density fractionation. In the topsoil, the soil organic carbon (SOC) and total nitrogen (N) content was found to increase along the soil chronosequence and were highly correlated with vegetation-associated variables. These findings suggest that plant-derived material was the main driver of the light fraction of SOM accumulation in the topsoil. The heavy fractions of SOM were composed of microbially transformed organic compounds, eventually contributing to SOM stabilization within short 90-yr deglaciation under harsh climatic conditions. In addition to time, the soil vertical profiles showed that other environmental parameters, also affected the soil biogeochemical properties. The high total phosphorous (P) content and electrical conductivity in the topsoil were attributed to unweathered subglacial materials and a considerable amount of inorganic ions from subglacial meltwater. The high P and magnesium content in the subsoil were attributed to parent materials, while the high sodium and potassium content in the surface soil were a result of sea-salt deposition. Glacio-fluvial runoff hampered ecosystem development by inhibiting vegetation development and SOM accumulation. This study emphasizes the importance of considering various soil-forming factors, including parent/subglacial materials, aeolian deposition, and ... Other/Unknown Material glacier Svalbard SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) Svalbard Geoderma 415 115777 |
institution |
Open Polar |
collection |
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) |
op_collection_id |
ftosti |
language |
unknown |
topic |
58 GEOSCIENCES |
spellingShingle |
58 GEOSCIENCES Kim, You Jin Laffly, Dominique Kim, Se-eun Nilsen, Lennart Chi, Junhwa Nam, Sungjin Lee, Yong Bok Jeong, Sujeong Mishra, Umakant Lee, Yoo Kyung Jung, Ji Young Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors |
topic_facet |
58 GEOSCIENCES |
description |
We report that Glacier forelands provide an excellent opportunity to investigate vegetation succession and soil development along the chronosequence; however, there are few studies on soil biogeochemical changes from environmental factors, aside from time. This study aimed to investigate soil development and biogeochemical changes in the glacier foreland of Midtre Lovenbreen, Svalbard, by considering various factors, including time. Eighteen vegetation and soil variables were measured at 38 different sampling sites of varying soil age, depth, and glacio-fluvial activity. Soil organic matter (SOM) was quantitatively measured, and the compositional changes in SOM were determined following size-density fractionation. In the topsoil, the soil organic carbon (SOC) and total nitrogen (N) content was found to increase along the soil chronosequence and were highly correlated with vegetation-associated variables. These findings suggest that plant-derived material was the main driver of the light fraction of SOM accumulation in the topsoil. The heavy fractions of SOM were composed of microbially transformed organic compounds, eventually contributing to SOM stabilization within short 90-yr deglaciation under harsh climatic conditions. In addition to time, the soil vertical profiles showed that other environmental parameters, also affected the soil biogeochemical properties. The high total phosphorous (P) content and electrical conductivity in the topsoil were attributed to unweathered subglacial materials and a considerable amount of inorganic ions from subglacial meltwater. The high P and magnesium content in the subsoil were attributed to parent materials, while the high sodium and potassium content in the surface soil were a result of sea-salt deposition. Glacio-fluvial runoff hampered ecosystem development by inhibiting vegetation development and SOM accumulation. This study emphasizes the importance of considering various soil-forming factors, including parent/subglacial materials, aeolian deposition, and ... |
author |
Kim, You Jin Laffly, Dominique Kim, Se-eun Nilsen, Lennart Chi, Junhwa Nam, Sungjin Lee, Yong Bok Jeong, Sujeong Mishra, Umakant Lee, Yoo Kyung Jung, Ji Young |
author_facet |
Kim, You Jin Laffly, Dominique Kim, Se-eun Nilsen, Lennart Chi, Junhwa Nam, Sungjin Lee, Yong Bok Jeong, Sujeong Mishra, Umakant Lee, Yoo Kyung Jung, Ji Young |
author_sort |
Kim, You Jin |
title |
Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors |
title_short |
Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors |
title_full |
Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors |
title_fullStr |
Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors |
title_full_unstemmed |
Chronological changes in soil biogeochemical properties of the glacier foreland of Midtre Lovénbreen, Svalbard, attributed to soil-forming factors |
title_sort |
chronological changes in soil biogeochemical properties of the glacier foreland of midtre lovénbreen, svalbard, attributed to soil-forming factors |
publishDate |
2023 |
url |
http://www.osti.gov/servlets/purl/1855800 https://www.osti.gov/biblio/1855800 https://doi.org/10.1016/j.geoderma.2022.115777 |
geographic |
Svalbard |
geographic_facet |
Svalbard |
genre |
glacier Svalbard |
genre_facet |
glacier Svalbard |
op_relation |
http://www.osti.gov/servlets/purl/1855800 https://www.osti.gov/biblio/1855800 https://doi.org/10.1016/j.geoderma.2022.115777 doi:10.1016/j.geoderma.2022.115777 |
op_doi |
https://doi.org/10.1016/j.geoderma.2022.115777 |
container_title |
Geoderma |
container_volume |
415 |
container_start_page |
115777 |
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1772814697628696576 |