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<br /> <br />Al!rlill phot"~_..,,h~ u~"d to dev!!lop di'3itiu.d ',"0$$ s!!~tion <br /> <br />datil ~.r.. tak..n Ma~ S! 1966, wh I "h was dur i "9 5"r i 1'19 hi 9h Wilt",.. <br /> <br />Flow in the rlv"r was approximatl!ly 2700 cots. <br /> <br />OigitiH,d <br /> <br />elevations in the "hann!!1 were at wate. surta".. rath..r than <br /> <br />c:hannel bottoftl. <br /> <br />Th"."tore, "rOSS ..!!"tion el..vation.. ,"'r" <br /> <br />r <br />V <br /> <br />adjusted to ""c:ount tor the c:hannel geomet,.y below wate. su,.ta"l!. <br /> <br />Sec130 <br /> <br /> <br />Th i $ adjU5tm..nt w".. made by ..~..um i 1'9 t. i a I "h"nn" I de"ths and <br /> <br />c:om"uting wate" su,.fac:.. p,.of;le5 (at 2700 cts) until th.. ",omput"d <br /> <br />See 128 <br /> <br />el!!vations a"",.oxlm"ted thos.. on the date o. photog.aph~. <br /> <br />On"'1! <br /> <br />this c:alib,.ation was mllde, dlsc:hll,.ges to,. the 10-, 0.0-, 100-, and <br /> <br />Q10-300cfs <br />Q50-1500 cfs <br />Q100-2200efs <br />Q500-4400 cfs <br /> <br />o <br />V <br /> <br />SOO-year t,...quenc:i..s were used in c:omputin9 additional ...0.il"5. <br /> <br />Si9nitic:ant <:livid..d flo", o<:<:u_s at t",o loc:atlons along ,.eac:h <br /> <br />numbl!" 2. <br /> <br />Thl! fir 5t lo"at I On i 5 at H i 'i!h..~ly 112 ; I' 0..1 Nort... <br /> <br />R I 9ht ov...ba"k t lowS ",Ov" into 0.. I Nor te "I'd ~rOSS HI gh",av 112 <br /> <br />over a ",idth ot about 1200 teet "I'd maximu", dePth 01 1.6 te"t <br /> <br />C100-yea,. t.eqUen"y). <br /> <br />About 17 "erc:<ent of the total Ilow "ov..s <br /> <br />th,.ou'!h Del Nort" "I'd On down$t...amc:ontined bet.....n th.. r..il.oad <br /> <br />9rade on thl! no.th and Hi'lh..a~ 285 On the south, <br /> <br />A slt~ond I o"at i On at d i v i ded tic.. O~~Ur" .. I 50 in .....c:h 2, <br /> <br />downstrltam trom Del No.t... <br /> <br />Th.. Rio G.ande has a nOrth "hann..1 <br /> <br />"I'd S ..outh "hannel below a dive,.s;on st.uet",r" at ".oss ..ec:tion <br /> <br />114. <br /> <br />The no,.th "hann..1 5up"ll"s ",at"r to ;rrI9"t;On "anals a"d <br /> <br />~ontr i bute5 to " d j v i d"d f I 0.. "ond it; on bl!tw"..n "r 05", see: t i on 110 <br /> <br />and 102, Sl!" fi'3u.e 3. <br /> <br />- 21- <br /> <br />FIG3 <br /> <br />RIO GRANDE RIVER <br /> <br />QIO-8000efs <br />Q50=1l200efs <br />QIOO~12700 efs <br />Q5oo=16550 efs <br /> <br />~'~ <br />. <br />, . <br />J <br /> <br />S..c130 <br /> <br />. <br /> <br />Secll6 <br />010-7400efs <br />Q50"9600efs <br />Ql00-10550 efs <br />0500=12800efs <br /> <br />jI <br />- <br />:I <br />. <br />~l <br />=.J <br />Q10~5900 cfs <br />: 050=7850efs <br />'I QlOo-8550 cfs <br />C Q500=10550 efs <br />Se ll8j <br /> <br />See 112 <br /> <br /> <br />SeellO <br /> <br />M <br />I <br />V <br /> <br />QI0=1500efs <br />QSO~1750 cfs <br />QI00=2000efs <br />Q500-2250efs <br /> <br />S"el04 <br /> <br />Q10-6200efs <br />050-9350 efs <br />Ql00=10750cf <br />Q500~14950 q!ls <br />\ <br /> <br />QIO-1500efs <br />Q50-1750efs <br />QI00~2DOO cfs <br />Q500-2250efs <br />Sec102 <br /> <br />N <br />,J . <br />. '/ <br />- <br /> <br />010=7700ef'i <br />Q5o=1I100 cf~ <br />Q100~1275D efs <br />0500=17200ef5 <br /> <br />Divided Flow Along Reach 2 <br /> <br />- 22 - <br />