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<br />002-tul <br /> <br />DRAFT RESEARCII AND MONITORING PLAN FOR AN <br />ADA~VEMANAGFJMENTPROGRAM <br />EXPl::R1MENTAL 45,000 cf, BEACiIIllABlTAT BUILDING FI.OW <br />FROM GLEN CANYON DAM, JANUARY TO JUI.Y 19<J8 <br /> <br />A 45,000 cfs bellCh/hal1itat building.now (BIIRF) from Glen Canyon Darn may be oonsiderN by <br />the Adaptive Management Work Group fOf January-July 1998. This uperiment would be u"l:'d <br />10testandoonfirmexistingandnev.'hYPOlhesessurroundinglheuseofdamrelea!leSIOrnllnage <br />Kdimc:nt diSlribution lIf1d ecosy5lem resources in Glen and Grnnd canyons. Thi, document <br />Ol,lllinl.".l the re!ltlln;:h, monitoring, IInd llow.relllted synthesis activitin planned before. during <br />and after the BllBFcvent,and thebOOgetas.'wcialwwithth05eactivitil.".l. <br /> <br />Tltcduration, magnitude and rnmpingofthe RIIRF hydrograph issub;ect todi!lCussionby I he <br />Technical Work Group (TWG) and lhe Adaplive Management Worl,; GlOUp{AMWGl. Rased <br />upon information dt'lleloped from the 19% BHBF, 2t04 days of high now, are nr-1ed 10 be <br />sufficient to l1alance benefiu to sediment, biological aOO cultural rnouren (Figure I j. Prior and <br />5UMeqUC1lt constant nows are recommended for at'Tial pl1otographic purposes. al the lowest <br />rlormally-achieved Iel/el ofpre.evClltl1uclU3ting nows. Field studll.".l are plAMed prior to. lifter <br />and six monlhs fol1owin@:thisBIIBF_ <br /> <br />Hydrograph for AMP 45,000 eta Release <br /> <br />" <br /> <br />" <br /> <br />4 day. 4Sk cfw; - - - 2 day 4Sk cl. <br /> <br />~" <br />~ <br />I:;~ <br />~" <br />. <br />~" <br />o <br /> <br />/..- <br /> <br />,. <br /> <br />.. <br /> <br /> <br />\ <br />I <br />\ <br />\ <br /> <br />1"""'- <br /> <br />....;..-. <br /> <br />u.... <br />'" <br /> <br /> <br />" <br />, <br />, , , , , . . . . , , , , , \ , , , \ <br /> . \ , , . . . . . , <br /> .... <br /> <br />Figure]: Poknlial hydrogruph for an experimenlal 45,000 cfs BllBF from Glen Canyon Dam_ <br />