Subsurface Assessment at McMurdo Station, Antarctica
Installations built on massive ice, permafrost, or seasonal frozen ground require careful design to avoid melting issues. Therefore, efforts to rebuild McMurdo Station, Antarctica, to improve operational efficiency and to consolidate energy resources require knowledge of geology and geotechnical inf...
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ftdtic:AD1027790 2023-05-15T13:43:48+02:00 Subsurface Assessment at McMurdo Station, Antarctica Affleck,Rosa T Campbell,Seth Sinclair,Samantha Tischbein,Bruce ENGINEER RESEARCH AND DEVELOPMENT CENTER HANOVER NH HANOVER 2017-02-01 text/html http://www.dtic.mil/docs/citations/AD1027790 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD1027790 en eng http://www.dtic.mil/docs/citations/AD1027790 Approved For Public Release; Soil Mechanics Snow Ice and Permafrost Geology Geochemistry and Mineralogy Civil Engineering layers Ground penetrating radar Antarctica Permafrost SOIL SURVEYS soils density moisture content temperature debris thickness depth EXCAVATION instrumentation buried objects grain size GEOTECHNICAL ENGINEERING ice EARTH FILLS GEOMORPHOLOGY GEOPHYSICS stratigraphy HYDROCARBONS epolar (Engineering for Polar Operations Logistics and Research) Active layers Gradation Ice content McMurdo Station (Antarctica) Soil density Soil moisture Soil temperature fill thickness solid bedrock depth buried utilities gpr (Ground penetrating radar) soil pits snowmelt Buried hydrocarbons contaminants Text 2017 ftdtic 2017-08-06T14:48:50Z Installations built on massive ice, permafrost, or seasonal frozen ground require careful design to avoid melting issues. Therefore, efforts to rebuild McMurdo Station, Antarctica, to improve operational efficiency and to consolidate energy resources require knowledge of geology and geotechnical information, particularly soil indices within the near-surface layer subjected to temporal fluctuations and the ice-cemented layer. Therefore, this study collected both 200 and 400 MHz ground-penetrating radar (GPR) data in McMurdo during January, October, and November of 2015 to detect the active layer, permafrost or massive ice, fill thickness, solid bedrock depth, and buried utilities or construction and waste debris. Five soil pits were excavated to collect soil, ice, and rock samples for gradation, density, and moisture content tests. Information extracted from the soil pits also aided in ground-truthing the GPR profiles. Subsurface investigations revealed distinct features, including ice-bonded fractured basaltic boulders, rocks, and gravelly sand; massive ice; and constructed (friable) fill layer. This paper describes the soil temperature and moisture during austral summers. The presented results are important for designs of new engineered structures at McMurdo Station. Text Antarc* Antarctica Ice permafrost Defense Technical Information Center: DTIC Technical Reports database Austral McMurdo Station ENVELOPE(166.667,166.667,-77.850,-77.850) |
institution |
Open Polar |
collection |
Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Soil Mechanics Snow Ice and Permafrost Geology Geochemistry and Mineralogy Civil Engineering layers Ground penetrating radar Antarctica Permafrost SOIL SURVEYS soils density moisture content temperature debris thickness depth EXCAVATION instrumentation buried objects grain size GEOTECHNICAL ENGINEERING ice EARTH FILLS GEOMORPHOLOGY GEOPHYSICS stratigraphy HYDROCARBONS epolar (Engineering for Polar Operations Logistics and Research) Active layers Gradation Ice content McMurdo Station (Antarctica) Soil density Soil moisture Soil temperature fill thickness solid bedrock depth buried utilities gpr (Ground penetrating radar) soil pits snowmelt Buried hydrocarbons contaminants |
spellingShingle |
Soil Mechanics Snow Ice and Permafrost Geology Geochemistry and Mineralogy Civil Engineering layers Ground penetrating radar Antarctica Permafrost SOIL SURVEYS soils density moisture content temperature debris thickness depth EXCAVATION instrumentation buried objects grain size GEOTECHNICAL ENGINEERING ice EARTH FILLS GEOMORPHOLOGY GEOPHYSICS stratigraphy HYDROCARBONS epolar (Engineering for Polar Operations Logistics and Research) Active layers Gradation Ice content McMurdo Station (Antarctica) Soil density Soil moisture Soil temperature fill thickness solid bedrock depth buried utilities gpr (Ground penetrating radar) soil pits snowmelt Buried hydrocarbons contaminants Affleck,Rosa T Campbell,Seth Sinclair,Samantha Tischbein,Bruce Subsurface Assessment at McMurdo Station, Antarctica |
topic_facet |
Soil Mechanics Snow Ice and Permafrost Geology Geochemistry and Mineralogy Civil Engineering layers Ground penetrating radar Antarctica Permafrost SOIL SURVEYS soils density moisture content temperature debris thickness depth EXCAVATION instrumentation buried objects grain size GEOTECHNICAL ENGINEERING ice EARTH FILLS GEOMORPHOLOGY GEOPHYSICS stratigraphy HYDROCARBONS epolar (Engineering for Polar Operations Logistics and Research) Active layers Gradation Ice content McMurdo Station (Antarctica) Soil density Soil moisture Soil temperature fill thickness solid bedrock depth buried utilities gpr (Ground penetrating radar) soil pits snowmelt Buried hydrocarbons contaminants |
description |
Installations built on massive ice, permafrost, or seasonal frozen ground require careful design to avoid melting issues. Therefore, efforts to rebuild McMurdo Station, Antarctica, to improve operational efficiency and to consolidate energy resources require knowledge of geology and geotechnical information, particularly soil indices within the near-surface layer subjected to temporal fluctuations and the ice-cemented layer. Therefore, this study collected both 200 and 400 MHz ground-penetrating radar (GPR) data in McMurdo during January, October, and November of 2015 to detect the active layer, permafrost or massive ice, fill thickness, solid bedrock depth, and buried utilities or construction and waste debris. Five soil pits were excavated to collect soil, ice, and rock samples for gradation, density, and moisture content tests. Information extracted from the soil pits also aided in ground-truthing the GPR profiles. Subsurface investigations revealed distinct features, including ice-bonded fractured basaltic boulders, rocks, and gravelly sand; massive ice; and constructed (friable) fill layer. This paper describes the soil temperature and moisture during austral summers. The presented results are important for designs of new engineered structures at McMurdo Station. |
author2 |
ENGINEER RESEARCH AND DEVELOPMENT CENTER HANOVER NH HANOVER |
format |
Text |
author |
Affleck,Rosa T Campbell,Seth Sinclair,Samantha Tischbein,Bruce |
author_facet |
Affleck,Rosa T Campbell,Seth Sinclair,Samantha Tischbein,Bruce |
author_sort |
Affleck,Rosa T |
title |
Subsurface Assessment at McMurdo Station, Antarctica |
title_short |
Subsurface Assessment at McMurdo Station, Antarctica |
title_full |
Subsurface Assessment at McMurdo Station, Antarctica |
title_fullStr |
Subsurface Assessment at McMurdo Station, Antarctica |
title_full_unstemmed |
Subsurface Assessment at McMurdo Station, Antarctica |
title_sort |
subsurface assessment at mcmurdo station, antarctica |
publishDate |
2017 |
url |
http://www.dtic.mil/docs/citations/AD1027790 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD1027790 |
long_lat |
ENVELOPE(166.667,166.667,-77.850,-77.850) |
geographic |
Austral McMurdo Station |
geographic_facet |
Austral McMurdo Station |
genre |
Antarc* Antarctica Ice permafrost |
genre_facet |
Antarc* Antarctica Ice permafrost |
op_relation |
http://www.dtic.mil/docs/citations/AD1027790 |
op_rights |
Approved For Public Release; |
_version_ |
1766193464500813824 |