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<br />IV. <br /> <br />The type and time duration of data collected in <br />Phase I are summarized in figure 38. The following <br />paragraphs discuss each type of data and present <br />illustrative examples. Where practical, Appendix D <br />lists original data in tabular form; the snow-rate <br />data are too numerous for such listing, but are <br />available in punched card form. <br /> <br />Particle Detection <br />Seven diffusion tests were conducted in the Steam- <br />boat Springs area between 1 February and 9 April <br />1965 to determine diffusion characteristics of a <br />plume from Emerald Mountain under various wind <br />and stability conditions. The data were collected <br />in real-time by one aircraft and one or two mobile <br />ground-based detector units on strip chart recorders. <br />After two of the diffusion runs, snow samples were <br />collected along or near the track of the plume for <br />lnS analysis. <br /> <br />TYPE "" DEC. JAN FEB NAR APR NAV 'UN <br />tTATION' <br />SNOW RATE- <br />OPTICAL GAGE I - -- <br /> . <br /> ,. <br />COMPRESSED-SCALE 1 <br />WEIGHING GAGE <br />HEA.TED TIPPING 1 <br />BUCKET GAGE <br />SNOW- PILLOW , <br />SHIELDED SNOW I <br />BOARD <br />RAIN RATE .. - <br />SNOW COURSE . - - <br /> 21 <br /> 12 v:~i:V - <br />CLIMATOLOGICAL 9 <br />LOCAL METEOROLOGICAL . <br />SyNOPTIC MET. - <br />DIFFUSION 2 <br />RADAR 1 IMITALUOX <br />RAWINSONDE 1 IN.J..LUDX <br />STREAM GAGE 2 <br />PARTICLE DETECTION 1 <br /> <br />Figure 38.-Data Collected During Phase I. <br /> <br />DATAl <br /> <br />Approximately 200 snowmelt samples, most of <br />them from the target area, have been collected and <br />processed by the laboratory ZnS analyzer. In addi- <br />tion, water samples from Walton, Fish and Spring <br />Creeks were processed during the spring thaw. <br />The neutron activation analysis technique was <br />used to determine the silver content of snowmelt <br />and replica samples from representative locations, <br />in the western United States, figure 39, under a <br />separate contract-Bureau of Reclamation, Contract <br />No. 14-06-D-5573. Twenty of these samples were <br /> <br /> <br />I <br />----,_ i <br />O_IIT. HlrlmU__.,_ ) <br />:~II"T"I'I.u '\ <br />0: ""IITI...."".. .j' <br />o..ATeIlILO"'.IUTTI <: <br /> <br />01 CIIATIll L.lICI <br /> <br />LOLl:..... <br />I <br /> <br /> <br />\ DILLON <br /> <br />\:~-v--- <br /> <br />-'. ---- .I 10 TO'lgnl "u. <br />~ NT. IH~~-::r- . _____ , TITOll ".... <br /> <br />---j---) <br />· L <br />I {'-- <br />IT14.I04TII"I..1I <br />" <br />\ I <br />\ '"u,.....L <br />. Md' I - "-- <br /> <br />\ f" <br />1 IAIII :I~"..~C"CO <br />) <br />( <br />, <br /> <br />,..:~:.~:t" <br /> <br />O~"UTA"OI <br /> <br />\OWHlTIllT. <br /> <br />TIIOUl elt. ".... <br />" <br /> <br />-t'TILLUilIlOI <br />,. <br />WOL'CiIL Mil <br />.. <br />.---.. <br /> <br />LEGEI..O <br /> <br /> <br />o .. <br /> <br />IIVliIlU .l,ilIIPLII WlilllTI,KIM <br />,.IOIII.,\C..IIIIIIOIII <br /> <br />Figure 39..-Representative Sample Locations for Ag, ZnS <br />Background Analysis. <br /> <br />27 <br />