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Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide
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Zeitschriftentitel: | ISPRS International Journal of Geo-Information |
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Personen und Körperschaften: | , , , , , , , |
In: | ISPRS International Journal of Geo-Information, 9, 2020, 1, S. 26 |
Medientyp: | E-Article |
Sprache: | Englisch |
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MDPI AG
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Schlagwörter: |
author_facet |
Yang, Dongdong Qiu, Haijun Pei, Yanqian Hu, Sheng Ma, Shuyue Liu, Zijing Zhang, Yan Cao, Mingming Yang, Dongdong Qiu, Haijun Pei, Yanqian Hu, Sheng Ma, Shuyue Liu, Zijing Zhang, Yan Cao, Mingming |
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author |
Yang, Dongdong Qiu, Haijun Pei, Yanqian Hu, Sheng Ma, Shuyue Liu, Zijing Zhang, Yan Cao, Mingming |
spellingShingle |
Yang, Dongdong Qiu, Haijun Pei, Yanqian Hu, Sheng Ma, Shuyue Liu, Zijing Zhang, Yan Cao, Mingming ISPRS International Journal of Geo-Information Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide Earth and Planetary Sciences (miscellaneous) Computers in Earth Sciences Geography, Planning and Development |
author_sort |
yang, dongdong |
spelling |
Yang, Dongdong Qiu, Haijun Pei, Yanqian Hu, Sheng Ma, Shuyue Liu, Zijing Zhang, Yan Cao, Mingming 2220-9964 MDPI AG Earth and Planetary Sciences (miscellaneous) Computers in Earth Sciences Geography, Planning and Development http://dx.doi.org/10.3390/ijgi9010026 <jats:p>Infiltration plays an important role in influencing slope stability. However, the influences of slope failure on infiltration and the evolution of infiltration over time and space remain unclear. We studied and compared the infiltration rates in undisturbed loess and disturbed loess in different years and at different sites on loess landslide bodies. The results showed that the average initial infiltration rate in a new landslide body (triggered on 11 October 2017) were dramatically higher than those in a previous landslide body (triggered on 17 September 2011) and that the infiltration rates of both landslide types were higher than the rate of undisturbed loess. The initial infiltration rate in the new landslide body sharply decreased over the 4–5 months following the landslide because of the appearance of physical crusts. Our observations indicated that the infiltration rate of the disturbed soil in a landslide evolved over time and that the infiltration rate gradually approached that of undisturbed loess. Furthermore, in the undisturbed loess, both the initial and quasi-steady infiltration rates were slightly higher in the loess than in the paleosol, and in the previous landslide body, the infiltration rate was highest in the upper part, intermediate in the middle part, and lowest in the lower part. This study can help us to better understand the evolution process of infiltration in undisturbed loess, previous landslides, and new landslides.</jats:p> Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide ISPRS International Journal of Geo-Information |
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10.3390/ijgi9010026 |
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Geologie und Paläontologie Geographie Informatik |
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ISPRS International Journal of Geo-Information |
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title |
Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_unstemmed |
Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_full |
Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_fullStr |
Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_full_unstemmed |
Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_short |
Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_sort |
spatial and temporal evolution of the infiltration characteristics of a loess landslide |
topic |
Earth and Planetary Sciences (miscellaneous) Computers in Earth Sciences Geography, Planning and Development |
url |
http://dx.doi.org/10.3390/ijgi9010026 |
publishDate |
2020 |
physical |
26 |
description |
<jats:p>Infiltration plays an important role in influencing slope stability. However, the influences of slope failure on infiltration and the evolution of infiltration over time and space remain unclear. We studied and compared the infiltration rates in undisturbed loess and disturbed loess in different years and at different sites on loess landslide bodies. The results showed that the average initial infiltration rate in a new landslide body (triggered on 11 October 2017) were dramatically higher than those in a previous landslide body (triggered on 17 September 2011) and that the infiltration rates of both landslide types were higher than the rate of undisturbed loess. The initial infiltration rate in the new landslide body sharply decreased over the 4–5 months following the landslide because of the appearance of physical crusts. Our observations indicated that the infiltration rate of the disturbed soil in a landslide evolved over time and that the infiltration rate gradually approached that of undisturbed loess. Furthermore, in the undisturbed loess, both the initial and quasi-steady infiltration rates were slightly higher in the loess than in the paleosol, and in the previous landslide body, the infiltration rate was highest in the upper part, intermediate in the middle part, and lowest in the lower part. This study can help us to better understand the evolution process of infiltration in undisturbed loess, previous landslides, and new landslides.</jats:p> |
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author | Yang, Dongdong, Qiu, Haijun, Pei, Yanqian, Hu, Sheng, Ma, Shuyue, Liu, Zijing, Zhang, Yan, Cao, Mingming |
author_facet | Yang, Dongdong, Qiu, Haijun, Pei, Yanqian, Hu, Sheng, Ma, Shuyue, Liu, Zijing, Zhang, Yan, Cao, Mingming, Yang, Dongdong, Qiu, Haijun, Pei, Yanqian, Hu, Sheng, Ma, Shuyue, Liu, Zijing, Zhang, Yan, Cao, Mingming |
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container_title | ISPRS International Journal of Geo-Information |
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description | <jats:p>Infiltration plays an important role in influencing slope stability. However, the influences of slope failure on infiltration and the evolution of infiltration over time and space remain unclear. We studied and compared the infiltration rates in undisturbed loess and disturbed loess in different years and at different sites on loess landslide bodies. The results showed that the average initial infiltration rate in a new landslide body (triggered on 11 October 2017) were dramatically higher than those in a previous landslide body (triggered on 17 September 2011) and that the infiltration rates of both landslide types were higher than the rate of undisturbed loess. The initial infiltration rate in the new landslide body sharply decreased over the 4–5 months following the landslide because of the appearance of physical crusts. Our observations indicated that the infiltration rate of the disturbed soil in a landslide evolved over time and that the infiltration rate gradually approached that of undisturbed loess. Furthermore, in the undisturbed loess, both the initial and quasi-steady infiltration rates were slightly higher in the loess than in the paleosol, and in the previous landslide body, the infiltration rate was highest in the upper part, intermediate in the middle part, and lowest in the lower part. This study can help us to better understand the evolution process of infiltration in undisturbed loess, previous landslides, and new landslides.</jats:p> |
doi_str_mv | 10.3390/ijgi9010026 |
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spelling | Yang, Dongdong Qiu, Haijun Pei, Yanqian Hu, Sheng Ma, Shuyue Liu, Zijing Zhang, Yan Cao, Mingming 2220-9964 MDPI AG Earth and Planetary Sciences (miscellaneous) Computers in Earth Sciences Geography, Planning and Development http://dx.doi.org/10.3390/ijgi9010026 <jats:p>Infiltration plays an important role in influencing slope stability. However, the influences of slope failure on infiltration and the evolution of infiltration over time and space remain unclear. We studied and compared the infiltration rates in undisturbed loess and disturbed loess in different years and at different sites on loess landslide bodies. The results showed that the average initial infiltration rate in a new landslide body (triggered on 11 October 2017) were dramatically higher than those in a previous landslide body (triggered on 17 September 2011) and that the infiltration rates of both landslide types were higher than the rate of undisturbed loess. The initial infiltration rate in the new landslide body sharply decreased over the 4–5 months following the landslide because of the appearance of physical crusts. Our observations indicated that the infiltration rate of the disturbed soil in a landslide evolved over time and that the infiltration rate gradually approached that of undisturbed loess. Furthermore, in the undisturbed loess, both the initial and quasi-steady infiltration rates were slightly higher in the loess than in the paleosol, and in the previous landslide body, the infiltration rate was highest in the upper part, intermediate in the middle part, and lowest in the lower part. This study can help us to better understand the evolution process of infiltration in undisturbed loess, previous landslides, and new landslides.</jats:p> Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide ISPRS International Journal of Geo-Information |
spellingShingle | Yang, Dongdong, Qiu, Haijun, Pei, Yanqian, Hu, Sheng, Ma, Shuyue, Liu, Zijing, Zhang, Yan, Cao, Mingming, ISPRS International Journal of Geo-Information, Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide, Earth and Planetary Sciences (miscellaneous), Computers in Earth Sciences, Geography, Planning and Development |
title | Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_full | Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_fullStr | Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_full_unstemmed | Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_short | Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
title_sort | spatial and temporal evolution of the infiltration characteristics of a loess landslide |
title_unstemmed | Spatial and Temporal Evolution of the Infiltration Characteristics of a Loess Landslide |
topic | Earth and Planetary Sciences (miscellaneous), Computers in Earth Sciences, Geography, Planning and Development |
url | http://dx.doi.org/10.3390/ijgi9010026 |