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PDS-based depth-duration-frequency (DDF) curves <br /> Latitude: 39.7552c, Longitude: -105.4521° <br /> 16 <br /> Average recurrence <br /> 14 ;.......... . ...-, .. . . . .. .- . interval <br /> (years) <br /> 12 --- - --- ----•- ----: -- . . ......... — 1 <br /> 10 .............. .... .............. ._ 2 <br /> CL <br /> — 5 <br /> c g — 10 <br /> ° . <br /> ry <br /> — 25 <br /> a 6 ; .. — 50 <br /> — 100 <br /> a 4 ........... .. ... — 200 <br /> 500 <br /> 2 -------- ..... _, .. -. ._ - .... ; _ — 1000 <br /> 0 <br /> c C C C C ►- i- 6. 6- d <br /> E ru ru ru ru ru ru ru ru ru <br /> C � � � N rh 1� N � <br /> u1 O Uf N (n V r- O O O Ln O <br /> ri .1 frl .-i N rn l0 <br /> Duration <br /> 16 <br /> 14 .. ...... :...... _ . ........... ... . . ...... ........... . <br /> 12 ...... .......... ............... ..- . <br /> Duration <br /> CL <br /> 5-min 2-day <br /> c g ._._._--------- .._. <br /> — 10-mrn — 3-day <br /> ° 15-min — 4-day <br /> ru <br /> +,a — 30-min 7-day_ _.... ...... — 60-min — t 0-day <br /> as <br /> CL 4 — 2-hr — 20 day <br /> ......_.. _.... -•-- ---- ••-- --.-- <br /> — 3-hr — 30-day <br /> 2 _- — 6--Mr — 45-day <br /> 12-hr — 60-day <br />