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the flgules above lllow that on t]re fou! test calctrBentB ' the llneat<br />
reseliv;lr, t}|c non-llnea. r€aelvo1r' ana the Muekingurn Eo'lels Perfomed<br />
siqnfflcaltfy b€tt€! tian tlr6 non-llnear reselvoir !|lth tlne lag' the<br />
tlaih carcaOe, end thc tltse of entry nodel. Thc iliff€tence bettteen theEe<br />
groupB is slgnlfic.nt at the 5t level ac leaEt' (they also Ehow that<br />
itre iagnftuai of the allfferance betx€en Dodels differs fro[ catcltment<br />
to -cat;hnent, Blnce tnodels x catchrnontB ls itgnlficant). TThe anlLysls<br />
of vatlance agsumes that the reslduals ere normally Clislributed' The<br />
sane overall results nere obtalned however by aPplylng a noD-Paralnetrlc<br />
test .FrledDarl, 1937).<br />
A generaL concluslon that can be dleirn frad the ana}yBls ls that tie<br />
non-1lnea! Dodlels perforn€fl b€tte! than alld the lln€ar ones, This<br />
concLusldr lo reached by notl,ng that the non-llnea! les€rvol! $ith tlne<br />
lag lrould hava been in the to!, gloup except for a poo! perfolrlance on<br />
one catchDent, and that the l1near boilel $a3 op€rated In a non-Ilnea!<br />
ray (the paraDeter ilep€nds on the slze of th€ sto!D), th€ llnear<br />
doab!.a (Nash c.sca& |Jtal tile of entrlr) ffere ln the botton gsoup of<br />
p€rfort!et6.<br />
A siro1lar analysls on the abeolute value of t-he pealt objectlve f[nctlon<br />
shoued that there raa no slgnlflcant dlfference bebe€en tl|e perfoloanc€<br />
of the Dodels ln thla lespect. Aga1n, thele was conBlClerable vallatton<br />
betwcen catchbents.<br />
s.e !gge:.-L-!!l lrg:gs4PE<br />
tn adldltlon to th€ alr. rcdela avallab!.c In tha bod€lllng packrg6, a<br />
unlt hyalrogrrph analyELs p!og!.n raa avaLhbl,e. thl. prograD war not<br />
lnclualeal ln the ealn package becaus. of the large nuebe! of noil.l<br />
palarneters (6v€ry unj,! hydlogiaph ordlnat€) n€ad6d to be d.tamlnedl,<br />
each Gxhlbltlag lrtlong auto-lntercor!61atlon. lthe proElrE uraa a<br />
quatlratlc plogla@ltlE subroutlne froo the Nut!€aLcal AlgolLth[a croui)<br />
(NAG) Ubrqry. onlt hyairoglaphs ar. d6rlvod by .oJ,vlng th. tnd€temln.tr<br />
equallon sat glven by the urual convolutlon au@rllon (vr1th arror) |<br />
t<br />
(rrt_t.11,u{) + e{ I < I < n<br />
subject to the cl.ltorla (i) X el - 61n1rut<br />
and<br />
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