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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
Personen und Körperschaften: Yang, Dongdong, Qiu, Haijun, Pei, Yanqian, Hu, Sheng, Ma, Shuyue, Liu, Zijing, Zhang, Yan, Cao, Mingming
In: ISPRS International Journal of Geo-Information, 9, 2020, 1, S. 26
Medientyp: E-Article
Sprache: Englisch
veröffentlicht:
MDPI AG
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
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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series ISPRS International Journal of Geo-Information
source_id 49
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
author_sort yang, dongdong
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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>
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publishDate 2020
publishDateSort 2020
publisher MDPI AG
record_format ai
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series ISPRS International Journal of Geo-Information
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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