pJA@ling 2xponen’, oe en 8 eee ; soil po “os* Prooacle | Nevada :o7 Several Soils ee we 7 M14 UIE _. oo Drv Clay wy ‘Wet Clay Dry Send |Sandstone a Max mum ce we 4.1 Jaw 3.3 3 aeD ay op 2.0 oo . ta wee 2.2 342 4.1 OL in Fig. +..1 c:e vesults for surface charges in various soils are snown. For eac.. sil tre line drawn is ‘nat for the most probable value of m. On tnis curve 2.50 are shown tne lucl2ar craters at Nevada and in the Marsnal.>.. in tiotting tne res..t5 oF the iuclear explosions on this figure tne va.we of efficienc. tTound for tne JANGLE surface shot for the s‘al.nues exponent m~ .+, namely &: per cent, has been assumed to o@ andl: cable to the explos.o2s in the Pacific. The logarithmic grid nas veer acjustec ir eezicon of 1 KE to include this Hence tne graph can be entered diefficiency for ah. .arg er yueids. + rectly with uoe VAL ue ar radiocnem::;at _ie.d. This grapn gives a realtne uncertalnt, dows ‘ater prediction deosending on ba istic indication 2 * the properties .%f aot scil. development of tne extrapolaAll data wnat Leave seen usec + pane toe tion metnod presen*ec >re are Summarize: in Appendix A. This appendix also includes tata rcr some TNT shots. namely those in wet sand, as well as some nitie@A: tnarges, Such as the actual ana.-se re. ented tere 4.2 COMMENTS It snovlic scribed tere . “rinit., whics were not used in * oN THE osTRAPOLATION oe Ten expudecit.. cnas tase of an empicicu. = “ or tn. cat extrapcletion metacd delor oP tae Porm thom + = (wi where E is an efti lene. whicn cepends xr medium, scaled charge depth, and type of extics.ve. As mentione: in section 1.5, this is not the only form of equation wrich can ne :;ost cated, and defenced. The available data are sc meawer and any speciric ejuat.on in 8. to establisn unreyu.’ cals ¢: tne empirical wne.: :tatter around tne curve representing , net elati.. £ not possible at present al, tity oc: alternative Porms of -i.a'.r. * The wet sanc TNT size was Yound a: A value for 7r: than that oO: .n vesu.ts were .¢* ure : 2A : oes ;ause data on only one charge ae guild not ve established. ov Une scaled neignt is greater tm ett Away si c