Temporal variation in the permeability anisotropy behavior of the Malan loess in northern Shaanxi Province, China: an experimental study
By analyzing a fresh soil section and soil samples from Yan’an New Area, northwest China, an engineering shallow loess slope was investigated. Temporal variation in the saturated horizontal hydraulic conductivity ( K h ) and saturated vertical hydraulic conductivity ( K v ) of loess samples were mea...
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| Veröffentlicht in: | Environmental earth sciences 2019-08, Vol.78 (15), p.1-12, Article 447 |
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| creator | Hong, Bo Li, Xi-an Wang, Li Li, Lin-cui |
| description | By analyzing a fresh soil section and soil samples from Yan’an New Area, northwest China, an engineering shallow loess slope was investigated. Temporal variation in the saturated horizontal hydraulic conductivity (
K
h
) and saturated vertical hydraulic conductivity (
K
v
) of loess samples were measured using variable head permeability tests. The
K
h
and
K
v
values indicate that the loess exhibited permeability anisotropy in space and time, and
K
h
and
K
v
at different depths decreased as seepage time increased.
K
h
-time showed an exponentially decreasing trend, and
K
v
-time showed a linearly decreasing trend. Analysis of the initial state and micromorphological features of the loess indicate that the orientation of soil particles in the deposition process may be inherently anisotropic. The
K
h
and
K
v
values of the loess tended to decrease with depth, as described by an exponential decay model. |
| doi_str_mv | 10.1007/s12665-019-8449-z |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2260339722</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2260339722</sourcerecordid><originalsourceid>FETCH-LOGICAL-a339t-bb141b88b557e0a84672b7a4fccede73766ef342bf319a12fac79b77ee6aa1ae3</originalsourceid><addsrcrecordid>eNp1kF9LwzAUxYsoOKYfwLeAr1aTtEta32T4DyYKzudw0926jC6pSTfWfQI_tpkTffK-5BLO-Z3LSZIzRi8ZpfIqMC7EKKWsTIs8L9PtQTJghRCp4GV5-LsX9Dg5DWFB42QsK6kYJJ9TXLbOQ0PW4A10xlliLOnmSFr0SwRtGtP1BKwJrvOu7YnGOayN88TV37onaMCSxmEIO6t1Pv56S17nAHZjyIt3a2MrvCDjubFwHVkEN5Fulmi7mBy61aw_SY5qaAKe_rzD5O3udjp-SCfP94_jm0kKWVZ2qdYsZ7oo9GgkkUKRC8m1hLyuKpyhzKQQWGc513XGSmC8hkqWWkpEAcAAs2Fyvue23n2sMHRq4VbexkjFuaAxRHIeVWyvqrwLwWOt2ngu-F4xqnadq33nKnaudp2rbfTwvSdErX1H_0f-3_QFc4SIGg</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2260339722</pqid></control><display><type>article</type><title>Temporal variation in the permeability anisotropy behavior of the Malan loess in northern Shaanxi Province, China: an experimental study</title><source>SpringerNature Journals</source><creator>Hong, Bo ; Li, Xi-an ; Wang, Li ; Li, Lin-cui</creator><creatorcontrib>Hong, Bo ; Li, Xi-an ; Wang, Li ; Li, Lin-cui</creatorcontrib><description>By analyzing a fresh soil section and soil samples from Yan’an New Area, northwest China, an engineering shallow loess slope was investigated. Temporal variation in the saturated horizontal hydraulic conductivity (
K
h
) and saturated vertical hydraulic conductivity (
K
v
) of loess samples were measured using variable head permeability tests. The
K
h
and
K
v
values indicate that the loess exhibited permeability anisotropy in space and time, and
K
h
and
K
v
at different depths decreased as seepage time increased.
K
h
-time showed an exponentially decreasing trend, and
K
v
-time showed a linearly decreasing trend. Analysis of the initial state and micromorphological features of the loess indicate that the orientation of soil particles in the deposition process may be inherently anisotropic. The
K
h
and
K
v
values of the loess tended to decrease with depth, as described by an exponential decay model.</description><identifier>ISSN: 1866-6280</identifier><identifier>EISSN: 1866-6299</identifier><identifier>DOI: 10.1007/s12665-019-8449-z</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Anisotropy ; Biogeosciences ; Earth and Environmental Science ; Earth Sciences ; Environmental Science and Engineering ; Geochemistry ; Geology ; Hydraulic conductivity ; Hydrology/Water Resources ; Loess ; Orientation ; Original Article ; Permeability ; Seepage ; Soil ; Soil analysis ; Soil particles ; Soil permeability ; Temporal variations ; Terrestrial Pollution</subject><ispartof>Environmental earth sciences, 2019-08, Vol.78 (15), p.1-12, Article 447</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><rights>Environmental Earth Sciences is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a339t-bb141b88b557e0a84672b7a4fccede73766ef342bf319a12fac79b77ee6aa1ae3</citedby><cites>FETCH-LOGICAL-a339t-bb141b88b557e0a84672b7a4fccede73766ef342bf319a12fac79b77ee6aa1ae3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12665-019-8449-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12665-019-8449-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27931,27932,41495,42564,51326</link.rule.ids></links><search><creatorcontrib>Hong, Bo</creatorcontrib><creatorcontrib>Li, Xi-an</creatorcontrib><creatorcontrib>Wang, Li</creatorcontrib><creatorcontrib>Li, Lin-cui</creatorcontrib><title>Temporal variation in the permeability anisotropy behavior of the Malan loess in northern Shaanxi Province, China: an experimental study</title><title>Environmental earth sciences</title><addtitle>Environ Earth Sci</addtitle><description>By analyzing a fresh soil section and soil samples from Yan’an New Area, northwest China, an engineering shallow loess slope was investigated. Temporal variation in the saturated horizontal hydraulic conductivity (
K
h
) and saturated vertical hydraulic conductivity (
K
v
) of loess samples were measured using variable head permeability tests. The
K
h
and
K
v
values indicate that the loess exhibited permeability anisotropy in space and time, and
K
h
and
K
v
at different depths decreased as seepage time increased.
K
h
-time showed an exponentially decreasing trend, and
K
v
-time showed a linearly decreasing trend. Analysis of the initial state and micromorphological features of the loess indicate that the orientation of soil particles in the deposition process may be inherently anisotropic. The
K
h
and
K
v
values of the loess tended to decrease with depth, as described by an exponential decay model.</description><subject>Anisotropy</subject><subject>Biogeosciences</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Environmental Science and Engineering</subject><subject>Geochemistry</subject><subject>Geology</subject><subject>Hydraulic conductivity</subject><subject>Hydrology/Water Resources</subject><subject>Loess</subject><subject>Orientation</subject><subject>Original Article</subject><subject>Permeability</subject><subject>Seepage</subject><subject>Soil</subject><subject>Soil analysis</subject><subject>Soil particles</subject><subject>Soil permeability</subject><subject>Temporal variations</subject><subject>Terrestrial Pollution</subject><issn>1866-6280</issn><issn>1866-6299</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1kF9LwzAUxYsoOKYfwLeAr1aTtEta32T4DyYKzudw0926jC6pSTfWfQI_tpkTffK-5BLO-Z3LSZIzRi8ZpfIqMC7EKKWsTIs8L9PtQTJghRCp4GV5-LsX9Dg5DWFB42QsK6kYJJ9TXLbOQ0PW4A10xlliLOnmSFr0SwRtGtP1BKwJrvOu7YnGOayN88TV37onaMCSxmEIO6t1Pv56S17nAHZjyIt3a2MrvCDjubFwHVkEN5Fulmi7mBy61aw_SY5qaAKe_rzD5O3udjp-SCfP94_jm0kKWVZ2qdYsZ7oo9GgkkUKRC8m1hLyuKpyhzKQQWGc513XGSmC8hkqWWkpEAcAAs2Fyvue23n2sMHRq4VbexkjFuaAxRHIeVWyvqrwLwWOt2ngu-F4xqnadq33nKnaudp2rbfTwvSdErX1H_0f-3_QFc4SIGg</recordid><startdate>20190801</startdate><enddate>20190801</enddate><creator>Hong, Bo</creator><creator>Li, Xi-an</creator><creator>Wang, Li</creator><creator>Li, Lin-cui</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7ST</scope><scope>7TG</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>M2P</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>SOI</scope></search><sort><creationdate>20190801</creationdate><title>Temporal variation in the permeability anisotropy behavior of the Malan loess in northern Shaanxi Province, China: an experimental study</title><author>Hong, Bo ; Li, Xi-an ; Wang, Li ; Li, Lin-cui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a339t-bb141b88b557e0a84672b7a4fccede73766ef342bf319a12fac79b77ee6aa1ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Anisotropy</topic><topic>Biogeosciences</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Environmental Science and Engineering</topic><topic>Geochemistry</topic><topic>Geology</topic><topic>Hydraulic conductivity</topic><topic>Hydrology/Water Resources</topic><topic>Loess</topic><topic>Orientation</topic><topic>Original Article</topic><topic>Permeability</topic><topic>Seepage</topic><topic>Soil</topic><topic>Soil analysis</topic><topic>Soil particles</topic><topic>Soil permeability</topic><topic>Temporal variations</topic><topic>Terrestrial Pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hong, Bo</creatorcontrib><creatorcontrib>Li, Xi-an</creatorcontrib><creatorcontrib>Wang, Li</creatorcontrib><creatorcontrib>Li, Lin-cui</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Science Database</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>Environment Abstracts</collection><jtitle>Environmental earth sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hong, Bo</au><au>Li, Xi-an</au><au>Wang, Li</au><au>Li, Lin-cui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Temporal variation in the permeability anisotropy behavior of the Malan loess in northern Shaanxi Province, China: an experimental study</atitle><jtitle>Environmental earth sciences</jtitle><stitle>Environ Earth Sci</stitle><date>2019-08-01</date><risdate>2019</risdate><volume>78</volume><issue>15</issue><spage>1</spage><epage>12</epage><pages>1-12</pages><artnum>447</artnum><issn>1866-6280</issn><eissn>1866-6299</eissn><abstract>By analyzing a fresh soil section and soil samples from Yan’an New Area, northwest China, an engineering shallow loess slope was investigated. Temporal variation in the saturated horizontal hydraulic conductivity (
K
h
) and saturated vertical hydraulic conductivity (
K
v
) of loess samples were measured using variable head permeability tests. The
K
h
and
K
v
values indicate that the loess exhibited permeability anisotropy in space and time, and
K
h
and
K
v
at different depths decreased as seepage time increased.
K
h
-time showed an exponentially decreasing trend, and
K
v
-time showed a linearly decreasing trend. Analysis of the initial state and micromorphological features of the loess indicate that the orientation of soil particles in the deposition process may be inherently anisotropic. The
K
h
and
K
v
values of the loess tended to decrease with depth, as described by an exponential decay model.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s12665-019-8449-z</doi><tpages>12</tpages></addata></record> |
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| subjects | Anisotropy Biogeosciences Earth and Environmental Science Earth Sciences Environmental Science and Engineering Geochemistry Geology Hydraulic conductivity Hydrology/Water Resources Loess Orientation Original Article Permeability Seepage Soil Soil analysis Soil particles Soil permeability Temporal variations Terrestrial Pollution |
| title | Temporal variation in the permeability anisotropy behavior of the Malan loess in northern Shaanxi Province, China: an experimental study |
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