{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T09:04:32Z","timestamp":1790499872872,"version":"4.1.0"},"reference-count":61,"publisher":"Environmental and Engineering Geophysical Society","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,4,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Ground-penetrating radar (GPR) has a wide range of applications, from geologic mapping to concrete inspection. A recently emerging GPR application is deployment in biological investigations as a non-invasive technique. Geophysical mapping of features such as tree roots and turtle burrows has proved valuable for the understanding of these subsurface systems for ecological, environmental, or engineering purposes. Four case histories of GPR investigations pertaining to animal burrows are described: cutter ants in Brazil, groundhogs in Michigan, and groundhogs, and burrowing bees in Pennsylvania. Cutter ants (Atta spp.) in Amazonian Brazil are known to construct burrows of nearly the same dimensions as groundhogs as they excavate galleries up to 7 m deep for leaf storage. Cutter ant burrows are hazardous to heavy equipment and may also cause loss of mud circulation during rotary drilling. Groundhogs (Marmota monax), found throughout the United States, cause unseen hazards, particularly for equestrian facilities where a sudden collapse can cause severe injuries to both horse and rider. Burrowing bees (Colletes inaequalis) are common in the northeastern United States. The size of the bee burrows is significantly smaller than that of the cutter ants and the groundhogs. The data for these surveys were collected over a twenty-year span, crossing several generations of survey equipment and processing techniques. Together, these four case histories highlight the historic and current capabilities of GPR systems applied to mapping subsurface burrow systems. These examples demonstrate the important impact near surface heterogeneities have in altering ecological, environmental, or engineering systems and the utility of GPR for mapping such heterogeneities.<\/jats:p>","DOI":"10.2113\/jeeg24.1.1","type":"journal-article","created":{"date-parts":[[2020,12,3]],"date-time":"2020-12-03T16:42:16Z","timestamp":1607013736000},"page":"1-17","source":"Crossref","is-referenced-by-count":19,"title":["Case Histories of Gpr For Animal Burrows Mapping and Geometry"],"prefix":"10.32389","volume":"24","author":[{"given":"Laura","family":"Sherrod","sequence":"first","affiliation":[{"name":"1 Department of Physical Science, Kutztown University, Kutztown, PA 19530"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"William","family":"Sauck","sequence":"additional","affiliation":[{"name":"2 Department of Geosciences, Western Michigan University, Kalamazoo, MI 49008"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Edward","family":"Simpson","sequence":"additional","affiliation":[{"name":"1 Department of Physical Science, Kutztown University, Kutztown, PA 19530"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dale","family":"Werkema","sequence":"additional","affiliation":[{"name":"3 U.S. EPA, Office of Research and Development, National Health and Environmental Effects Laboratory, Western Ecology Division, Pacific Coast Ecology Branch Newport, OR 97365"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jarred","family":"Swiontek","sequence":"additional","affiliation":[{"name":"1 Department of Physical Science, Kutztown University, Kutztown, PA 19530"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2613","published-online":{"date-parts":[[2019,4,10]]},"reference":[{"key":"2025120913134725600_i1083-1363-24-1-1-Ackerman1","unstructured":"Ackerman,\n              F.S.,\n            \n          \n          1970,\n\t\t\t\t\tSoil Survey:\n\t\t\t\t\tBerks County, Pennsylvania:\n\t\t\t\t\tU. 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Department of Agriculture,\n\t\t\t\t\t131pp."},{"key":"2025120913134725600_i1083-1363-24-1-1-Barner1","unstructured":"Barner,\n              M.,\n            \n          \n          2001,\n\t\t\t\t\tA study of geophysical techniques as a means of identifying animal burrows in earthen levees:\n\t\t\t\t\tWayne State University,\n\t\t\t\t\tMaster's Thesis,\n\t\t\t\t\t138pp."},{"key":"2025120913134725600_i1083-1363-24-1-1-Barnhardt1","doi-asserted-by":"crossref","unstructured":"Barnhardt,\n              W.A.,\n            and\n\t\t\t\t\t\tKayen,R.E.,\n          2000,\n\t\t\t\t\tRadar structure of earthquake-induced, coastal landslides in Anchorage, Alaska:\n\t\t\t\t\tEnvironmental Geosciences,\n\t\t\t\t\t7,\n\t\t\t\t\t38\u201345.","DOI":"10.1046\/j.1526-0984.2000.71007.x"},{"key":"2025120913134725600_i1083-1363-24-1-1-Baryshnikov1","doi-asserted-by":"crossref","unstructured":"Baryshnikov,\n              V.,\n            \n            \n              Khmelin,\n              A.,\n            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        and\n\t\t\t\t\t\tLosev,I.A.,\n          2014,\n\t\t\t\t\tNear-surface imaging (GPR of biogenic structures in siliciclastic, carbonate, and gypsum dunes:\n\t\t\t\t\tinHembree,D.I.Platt,B.F.and\n\t\t\t\t\t\tSmithJ.J.(eds.),\n\t\t\t\t\tExperimental Approaches to Understanding Fossil Organisms: Lessons from the Living:\n\t\t\t\t\tSpringer,\n\t\t\t\t\tDordrecht,\n\t\t\t\t\t405\u2013418.","DOI":"10.1007\/978-94-017-8721-5_17"},{"key":"2025120913134725600_i1083-1363-24-1-1-Carol1","doi-asserted-by":"crossref","unstructured":"Carol,\n              E.S.,\n            \n            \n              Kruse,\n              E.E.,\n            and\n\t\t\t\t\t\tPousa,J.L.,\n          2011,\n\t\t\t\t\tInfluence of the geologic and geomorphologic characteristics and of crab burrows on the interrelation between surface water and groundwater in an estuarine coastal wetland:\n\t\t\t\t\tJournal of 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Processes,\n\t\t\t\t\t24,\n\t\t\t\t\t1567\u20131581","DOI":"10.1002\/hyp.7579"},{"key":"2025120913134725600_i1083-1363-24-1-1-Chlaib1","doi-asserted-by":"crossref","unstructured":"Chlaib,\n              H.K.,\n            \n            \n              Mahdi,\n              H.,\n            \n            \n              Al-Shukri,\n              H.,\n            \n            \n              Su,\n              M.M.,\n            \n            \n              Catakli,\n              A.,\n            and\n\t\t\t\t\t\tAbd,N.,\n          2014,\n\t\t\t\t\tUsing ground penetrating radar in levee assessment to detect small scale animal burrows:\n\t\t\t\t\tJournal of Applied Geophysics,\n\t\t\t\t\t103,\n\t\t\t\t\t121\u2013131.","DOI":"10.1016\/j.jappgeo.2014.01.011"},{"key":"2025120913134725600_i1083-1363-24-1-1-Choi1","doi-asserted-by":"crossref","unstructured":"Choi,\n              K.,\n            \n            \n              Choi,\n              J.,\n            and\n\t\t\t\t\t\tKim,J.,\n  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Geophysics,\n\t\t\t\t\t22,\n\t\t\t\t\t121\u2013132.","DOI":"10.2113\/JEEG22.2.121"},{"key":"2025120913134725600_i1083-1363-24-1-1-Dogan1","doi-asserted-by":"crossref","unstructured":"Dogan,\n              M.,\n            \n            \n              Van Dam,\n              R.L.,\n            \n            \n              Bohling,\n              G.C.,\n            \n            \n              Butler,\n              J.J.,\n            and\n\t\t\t\t\t\tHyndman,D.W.,\n          2011,\n\t\t\t\t\tHydrostratigraphic analysis of the MADE site with full-resolution GPR and direct-push hydraulic profiling:\n\t\t\t\t\tGeophysical Research Letters,\n\t\t\t\t\t38,\n\t\t\t\t\tL06405.","DOI":"10.1029\/2010GL046439"},{"key":"2025120913134725600_i1083-1363-24-1-1-Gaff1","doi-asserted-by":"crossref","unstructured":"Gaff,\n              D.,\n            \n            \n              Sherrod,\n              L.,\n            and\n\t\t\t\t\t\tBrashler,J.,\n          2013,\n\t\t\t\t\tInterpreting the South 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