Laserfiche WebLink
<br />05/31/94 15:55 FAX 612 441 5665 <br /> <br />JOHN OLIVER ASSO <br /> <br />141 002 <br /> <br />. <br /> <br />Minnesota LakE Eutrophication An~lY5is Procedure <br />ENTER INPUT VARIABLES <br />LAKE NAME ? ORONO PROPOSED <br />ECDREGION NUMBER 1ENLF,2=CH~,3=~CP,4=NGP ? 2 <br />WA '"ERSHED ~f:':EA (HA) ? 140~.83 <br />LAKE SURFACE AREA (HAl ? 113.7 <br />LAKE MEAN DEPTH (M) ? 5 <br />OBSEF.:VED MEAN LAI<E TP (ljI3/L:) .(. 130 <br />OBSERVED MEAN CHL-A (UG/L) ? 18 <br />OBSERVED MEAN SECCHI CM) ? 0.7 <br /> <br />INPUT DATA~ <br />LAKE NAME =Of':ONO F'f":QPOSED EC:O~~EI3 I ON;;CHF <br />LAKE AREA = 113.7 HA <br />WATERSHED AREA (EXCLUDING LAKE) = 140683 HA <br />MeAN DEPTH = 5 METERS <br />OBSERVED MEAN TP = 130 UGiL <br />OBSERVED MEAN CHL-A = 18 UG/L <br />OBSERVED MEAN SECCHI =.7 METERS <br /> <br /><press ENTER to view yesults> <br /> <br />LAKE = ORONO PROPOSED ECOREGION = CHF <br />AVERAGE INFLOW TP = 148.1497 UG/L TOTAL P LOAD = 27101.52 KG/YR <br />LAKE OUTFLOW ~ 182.9~34 HM3/YR AREAL WATER LOAD - 1~O.B913 M/YR <br />e RESIDENCE TIME == 3.107E.8'3E-02 YF:S F' RETENTION COEF =.1'35853'3 <br /> <br />VARIABLE UNITS OBSEfO:'"JED F'F.:EDICiED STD ERRO~~ F~ESIDUAL T-TEST <br />TOTAL P (UG/L) 130.00 119.13 24.11 0.04 0.33 <br />CHL-A (UG/L) 18.00 70.99 32.79 -0.60 -2.57 <br />SECCHI (METERS) 0.70 0.63 0.21 0.05 0.30 <br />NOTE= RESIDUAL = LOGI0COBSERVED/PREDICTED) <br />T-TEST FOR SIGNIFICANT DIFFERENCE BETWEEN OB8. AND PREDICTED <br /> <br />3(~ <br />51:} <br />CASE A = <br />CASE B e <br />CASE C -. <br /> <br />CHLOROPHYLL-A INTERVAL rREQUENCIES (%) <br />CHL-A PREDICTED PREDICTED PREDICTED <br />PPB OBSERVED CASE A CASE B CASE C <br />10 83.78 99.99 99.98 99.60 <br />20 32.25 99.18 98.66 95.12 <br />i~. 59 '~4. 01 '~2. 45 85.8E. <br />0.30 54.46 54.13 53.10 <br />hi I TH I N- YEAF~ VAF.: I AT I ON CONS r DEr.::ED <br />WITHIN-YEAR + YEAR-TO-YEAR VARIATION CONSIDERED <br />CASE B + MODEL ERRDR CONSIDERED <br /> <br />PYESS any key to continue <br /> <br />e <br />