7 SECTIONE.docx

1、7 SECTIONE EPIC 5300 Appendix E.1*FORM 1*EPIC DATA ASSEMBLY FORM Title1.1 _ TITLE(1)2.1 _ TITLE(2)3.1 _ TITLE(3) Program control codes4.1 Number of years of simulation _ NBYR4.2 Starting date - Year _ IYR4.3 -Month _ IMO4.4 -Day _ IDA4.5 Printout interval1 _ NIPD4.6 Output print code _ IPD4.7 Weathe

2、r code _ NGN4.8 Number of times generator cycles1 _ IGN4.9 Day weather generator stops generating same weather1 _ IGSD4.10 Leap year considered1 _ LPYR4.11 Potential evaporation method code1 _ IET4.12 Curve number estimator (0-stochastic, 0-rigid)1 _ ISCN4.13 Graph Display (0-off, 1-on)1 _ IGRAF4.14

3、 Output conversion code1 _ ICODE4.15 Peak rate estimate code1 _ ITYP4.16 Static soil code1 _ ISTA4.17 Automatic heat unit scheduling 1 _ IHUS4.18 Number of cows1 _ NCOW4.19 Non-varying CN-CN2 used for all storms1 _ NVCN4.20 Runoff (Q) estimation methodology1 _ INFL4.21 Pesticide Output in Mass and/o

4、r Cove1 _ MASP1 May be left blank or zero if unknown. EPIC 5300 Appendix E.1 * FORM 2 *EPIC DATA ASSEMBLY FORM5.1 Watershed drainage area (ha)ac _ WSA5.2 Runoff curve number _ CN25.3 Channel Length1 (Km) mi. _ CHL 5.4 Average channel slope1 (m/ m)ft./ft. _ CHS5.5 Channel roughness factor(mannings N)

5、1 _ CHN5.6 Surface roughness factor(mannings N)1 _ SN5.7 Peak runoff-rate rainfall-energy adjustment factor1 _ APM5.8 Latitude of watershed (degrees) _ YLT5.9 Average elevation of watershed2 (m)ft. _ ELEV5.10 Water content of snow on ground at start of simulation (mm) in. _ SNO6.1 Average concentrat

6、ion of nitrogen in rainfall (g m3) PPM _ RCN6.2 Number of years of cultivation before simulation starts (yr.) _ RTN6.3 CO2 concentration in atmosphere PPM _ C026.4 No3 concentration in irrigation water PPM _ CN03I6.5 CSALT salt concentration in irrigation water PPM _ CSALT6.6 CHD Channel depth m _ C

7、HD6.7 Drainage Area of a watershed feeding a Lagoon (ha) ac _ DALG6.8 Normal Lagoon Volume (mm) (inches) _ VLGN6.9 Maximum Lagoon Volume (mm) (inches) _ VLGM6.10 Lagoon input from wash water (m3 /cow/day) _ COWW Water erosion data 7.1 Slope length (m) ft. _ SL7.2 Slope steepness (m /m) ft./ft. _ S7.

8、3 Erosion control practice _ PEC7.4 Water erosion equation1 _ DRV7.5 Parameter estimates for MUSI erosion equation1 BUS(1) _ BUS(2)_ BUS(3) _ BUS(4) _1 May be left blank or zero if unknown.2 Blank if Hargreaves or Priestley-Taylor method is used to estimate potential evaporation. Appendix E.1* FORM

9、3 *EPIC DATA ASSEMBLY FORM Weather data (Enter weather access number to load from file and skip to Form 6, otherwise enter data below)8.3 Number of years of max monthly 0.5 hour rainfall record _ YWI8.4 Coefficient used to establish wet-dry probability _ BTA8.5 Parameter used to modify exp rain dist

10、ribution _ EXPK 9.1- Average monthly maximum air temperature (C) F OBMX (1-12)9.12 _ _ _ _ _ _ _ _ _ _ _ _ 10.1- Average monthly minimum air temperature (C) F OBMN (1-12)10.12 _ _ _ _ _ _ _ _ _ _ _ _ 11.1- Monthly standard deviation maximum air temperature 2,6 (C) F SDTMX (1-12)11.12 _ _ _ _ _ _ _ _

11、 _ _ _ _12.1- Monthly standard deviation minimum air temperature 2,6 (C) F SDTMN (1-12)12.12 _ _ _ _ _ _ _ _ _ _ _ _13.1- Average monthly precipitation (mm)in. RMO (1-12)13.12 _ _ _ _ _ _ _ _ _ _ _ _14.1- Monthly standard deviation of daily precipitation 3,1 (mm) in. RST2 (1-12)14.12 _ _ _ _ _ _ _ _

12、 _ _ _ _15.1- Monthly skew coefficient for daily precipitation 3,1 RST3 (1-12)15.12 _ _ _ _ _ _ _ _ _ _ _ _16.1- Monthly probability of wet day after dry day 3,4 PRW1 (1-12)16.2 _ _ _ _ _ _ _ _ _ _ _ _17.1- Monthly probability of wet day after wet day 3,4 PRW2 (1-12)17.12 _ _ _ _ _ _ _ _ _ _ _ _18.1

13、- Average number of days of rain per month5 DAYP (1-12)18.12 _ _ _ _ _ _ _ _ _ _ _ _19.1 Monthly maximum 0.5 hour-rainfall for period of record (TP24)1 (mm) in. WI (1-12)19.12 _ _ _ _ _ _ _ _ _ _ _ _20.1- Monthly average daily solar radiation1 (MJ/m2 or ly) OBSL (1-12)20.12 _ _ _ _ _ _ _ _ _ _ _ _21

14、.1 Montly average relative humidity1 (fraction) RH (1-12)21.12 _ _ _ _ _ _ _ _ _ _ _ _1 may be left blank or zero if unknown.2 Temperature extremes may be substituted.3 May be left blank or zero if daily rainfall is inputted (ref. 2.1.70).4 Blank or zero if unknown and average number of days of rain

15、 per month is available.5 Blank or zero if rainfall is generated and wet-dry probabilities are available.6 Blank or zero if daily temperature is inputted (ref. 2. 1.71) Appendix E.1* FORM 4 *EPIC DATA ASSEMBLY FORM Wind erosion data22.1 Field length1,3 (km) mi. _ FL22.2 Field width1,3 (km) mi. _ FW

16、22.3 Clockwise angle of field from north1,3 (deg) _ ANG 22.4 Standing dead crop residue1 (t/ha) T/ac _ STD Wind data Enter wind access number (table 1.4) to load from file and skip to section 7.1, otherwise enter data below.23.1 Power of modified exponential distribution of wind speed2&7 _ UXP23.2 C

17、limate factor1,3 _ DIAM23.3 Wind erosion adjustment factor3 _ ACW24.1- Average monthly wind velocity2,3 (m/s) mph UAVM(1-12)24.12 _ _ _ _ _ _ _ _ _ _ _ _25.1- N wind during each month3 (%) DIR1 (1-12)25.12 _ _ _ _ _ _ _ _ _ _ _ _26.1 NNE wind during each month3 (%) DIR2 (1-12)26.12 _ _ _ _ _ _ _ _ _

18、 _ _ _27.1 NE wind during each month3 (%) DIR3 (1-12)27.12 _ _ _ _ _ _ _ _ _ _ _ _28.1 ENE wind during each month3 (%) DIR4 (1-12)28.12 _ _ _ _ _ _ _ _ _ _ _ _29.1 E wind during each month3 (%) DIR5 (1-12)29.12 _ _ _ _ _ _ _ _ _ _ _ _30.1 ESE wind during each month3 (%) DIR6 (1-12)30.12 _ _ _ _ _ _

19、_ _ _ _ _ _31.1 SE wind during each month3 (%) DIR7 (1-12)31.12 _ _ _ _ _ _ _ _ _ _ _ _32.1 SSE wind during each month3 (%) DIR8 (1-12)32.12 _ _ _ _ _ _ _ _ _ _ _ _1 May be left blank or zero if unknown.2 May be left blank if Hargreaves or Priestley-Taylor method is used to estimate potential evapor

20、ation and wind erosion is not estimated.3 May be left blank or zero if wind erosion is not estimated. Appendix E.1* FORM 5 *EPIC DATA ASSEMBLY FORM33.1- S wind during each month1 (%) DIR9 (1-12)33.12 _ _ _ _ _ _ _ _ _ _ _ _34.1- SSW wind during each month1 (%) DIR10 (1-12)34.12 _ _ _ _ _ _ _ _ _ _ _

21、 _35.1- SW wind during each month1 (%) DIR11 (1-12)35.12 _ _ _ _ _ _ _ _ _ _ _ _36.1- WSW wind during each month1 (%) DIR12 (1-12)36.12 _ _ _ _ _ _ _ _ _ _ _ _37.1- W wind during each month1 (%) DIR13 (1-12)37.12 _ _ _ _ _ _ _ _ _ _ _ _38.1- WNW wind during each month1 (%) DIR14 (1-12)38.12 _ _ _ _ _ _ _ _ _ _ _ _39.1- NW wind during each month1 (%) DIR15 (1-12)39.12 _ _ _ _ _ _ _ _ _ _ _ _40.1- NNW wind during each month1 (%) DIR16 (1-12)40.2 _ _ _ _ _ _ _ _ _ _ _ _1 If wind erosion is n