{"refrec":{"BRefID":136840,"RR":"<b>Kirk, R.E.; Robertson, K.; Whitmarsh, R.B.; Miles, P.R.</b> (1991). A technique for conducting seismic refraction experiments on the ocean bed using bottom shots. <i>Mar. Geophys. Res. 13(2)</i>: 153-160","BEntID":130667,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Geophys. Res. 13(2)</i>: 153-160","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kirk, R.E.; Robertson, K.; Whitmarsh, R.B.; Miles, P.R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kirk, R.E. <i>et al.</i>","Englishabstract":"A technique has been devised for firing arrays of bottom shots on the ocean bed in depths upto 4000 m or more. Ten kilogram explosive charges are dropped from the surface while the shooting ship is navigated acoustically. They are detonated at preset times by an electronic timer which initiates an electrical detonator, detonating cord and cast PETN/TNT explosive. Ranges to ocean bottom seismographs, and the shot instants, can be calculated from the arrival-time differences of the direct and surface-reflected water waves. The accuracy, which is dependent on water-depth and range, was better than 22 m in range and 14 msec in shot instant for our experiment.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A technique for conducting seismic refraction experiments on the ocean bed using bottom shots","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1991,"MonPub":null,"DateUpdate":"2009-06-05","DateCreate":"2009-06-04","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1991FM67200004","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":136840,"PubliDate":1991,"Pagination":"153-160","XtraPublOfAnaID":null,"ISBN":null,"Volume":"13","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43366,"SerRR":"Marine Geophysical Researches. 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