【正文】 TO PRINT A HARDCOPY OF THE RESULTS? ENTER Y OR N:N 01/07/15 15:05:01 *** SCREEN3 MODEL RUN *** *** VERSION DATED 96043 *** TUSHAOLONGPM10 SIMPLE TERRAIN INPUTS: SOURCE TYPE = POINT EMISSION RATE (G/S) = STACK HEIGHT (M) = STK INSIDE DIAM (M) = STK EXIT VELOCITY (M/S)= STK GAS EXIT TEMP (K) = AMBIENT AIR TEMP (K) = RECEPTOR HEIGHT (M) = .0000 URBAN/RURAL OPTION = RURAL BUILDING HEIGHT (M) = .0000 MIN HORIZ BLDG DIM (M) = .0000 MAX HORIZ BLDG DIM (M) = .0000 THE REGULATORY (DEFAULT) MIXING HEIGHT OPTION WAS SELECTED. THE REGULATORY (DEFAULT) ANEMOMETER HEIGHT OF METERS WAS ENTERED. BUOY. FLUX = M**4/S**3。 MOM. FLUX = M**4/S**2. *** FULL METEOROLOGY *** ********************************** *** SCREEN AUTOMATED DISTANCES *** ********************************** *** TERRAIN HEIGHT OF 0. M ABOVE STACK BASE USED FOR FOLLOWING DISTANCES *** DIST CONC U10M USTK MIX HT PLUME SIGMA SIGMA (M) (UG/M**3) STAB (M/S) (M/S) (M) HT (M) Y (M) Z (M) DWASH 10. .0000 1 NO 100. .1487E09 5 NO 200. .2971E02 5 NO 300. .3729E02 5 NO 400. .4744E02 5 NO 500. .9985 1 NO 600. 1 NO 700. 1 NO 800. 1 NO 900. 1 NO 1000. 1 NO 1100. 1 NO 1200. 1 NO 1300. 1 NO 1400. 1 NO 1500. 1 NO 1600. 1 NO 1700. 1 NO 1800. 1 NO 1900. 1 NO 2000. 1 NO 2100. 1 NO 2200. 1 NO 2300. 1 NO 2400. 1 NO 2500. 1 NO 2600. 1 NO 2700. 1 NO 2800. 1 NO 2900. 1 NO 3000. 1 NO 3500. 2 NO 4000. 2 NO 4500. 2 NO 5000. 2 NO 5500. 2 NO 6000. 2 NO 6500. 2 NO 7000. 2 NO 7500. 2 NO 8000. 3 NO 8500. 3 NO 9000. 3 NO 9500. 3 NO 10000. 3 NO 15000. 3 NO 20000. 3 NO 25000. 5 NO MAXIMUM 1HR CONCENTRATION AT OR BEYOND 10. M: 1076. 1 NO DWASH= MEANS NO CALC MADE (CONC = ) DWASH=NO MEANS NO BUILDING DOWNWASH USED DWASH=HS MEANS HUBERSNYDER DOWNWASH USED DWASH=SS MEANS SCHULMANSCIRE DOWNWASH USED DWASH=NA MEANS DOWNWASH NOT APPLICABLE, X3*LB *************************************** *** SUMMARY OF SCREEN MODEL RESULTS *** *************************************** CALCULATION MAX CONC DIST TO TERRAIN PROCEDURE (UG/M**3) MAX (M) HT (M) SIMPLE TERRAIN 1076. 0. *************************************************** 結(jié)果分析與計(jì)算取計(jì)算結(jié)果（DIST CONC U10M USTK MIX HT PLUME SIGMA SIGMA）中的計(jì)算的距離（DIST）和其相應(yīng)的落地濃度（CONC）兩排數(shù)據(jù)繪制曲線圖如下：從表和圖象中可得：隨著測量距離的增加，落地濃度基本呈現(xiàn)先增加后減小的趨勢；，最小值為0.100﹪=﹪地面濃度占標(biāo)準(zhǔn)10﹪時(shí)，即為45μg/m3 ，距源最遠(yuǎn)的距離D10% 5km三、估算模式計(jì)算結(jié)果表距源中心下風(fēng)向距離D（m）SO2NO2PM10下風(fēng)向預(yù)測濃度μg/m3濃度占標(biāo)率%下風(fēng)向預(yù)測濃度μg/m3濃度占標(biāo)率%下風(fēng)向預(yù)測濃度μg/m3濃度占標(biāo)率%10000000100200+01300+01400+015006007008003361683209001631000110038419212003621811300140017535308150030716001700180019002000210023811922002301152300240025001992600270019828001992900199300035004000450050005500600065007000750080008500128649000123950010000108150002000025000下風(fēng)向最大濃度0濃度占標(biāo)準(zhǔn)10%最遠(yuǎn)距離D10%（m）5km5km5km由上表可知：Pmax≥80%，且D10%≥5km則由大氣環(huán)境評價(jià)等級劃分依據(jù)確定該項(xiàng)目環(huán)境評價(jià)等級為一級。25