辽沈_型日光温室地温日变化规律及其谐波模拟验证
j, 2KC16 00,KC1500;3Kl C6 00。B,“1100 -1300 2、s l0.05~ 0 .4 ℃, HW 2M],0.7~ 1 ℃;T u 2,Kv C16 00,K C600, 2KvC1500,KlC500 ;1100 -1300, 2, HW l。m2 Ⅰ ; i5 cm M720 dFig.2 Diurnalchangesof 5 epth soiltemperaturesunny, July20inLiaoshen Ⅰ solar greenhouseV1 Vn,T u 2K、K T u,T uK、K 5T u。 2KT u4.5 ℃,T u3.1 ℃,T u0.1 ℃; 2KT u2.3 ℃,T u1 ℃,T u1.1 ℃; 2 T u3.3 ℃,T u1.8 ℃,V1 Ⅰ ; iT uT u 2Z_5 cm M1 d, ℃Table 1 The comparison of 5cm depth soil temperaturechange between non-crop areasand crop areas inthe north and south direction of Liaoshen Ⅰ solargreenhousesunny, ℃[ “ItemT uNon-crop area2SouthMiddleNorthT uCrop area2SouthMiddleNorthKThe highest soil temperature 34.6 33.8 32.9 30.1 30.7 33.0KThe lowest soil temperature 26.6 25.8 25.1 24.3 24.8 26.2 Daily variation amplitude 8.0 8.0 7.8 5.8 5.9 6.8 Average temperature 30.0 29.2 28.5 26.7 27.4 29.0154 j /0 cm/5 cm /15 cm,K 0 cm,Kl9C 2, Q , 2K, Q 。 KvC 2, Q 。7|K、K、 2、sV3。 MZ /T1119.155.42sinπ72t3.892.26sinπ36t0.82 11T1214.821.13sinπ72t5.920.7sinπ36t1.370.65sinπ24t5.820.46sin5π72t0.24 1215710 Ⅰ ; i M p o EV3 ] / Ⅰ ; iT u5 cmM2009 M1, ℃Table 3 Soil temperature changesat5 cm-depth in non-cropzoneof Liaoshen Ⅰ solargreenhouseindifferent weatherconditionsSpringof2009, ℃[ “ItemdSunny day2SouthMiddleNorth|Cloudy day2SouthMiddleNorthKThe highest soil temperature 31.6 30.8 29.2 20.6 20.6 20.5KThe lowest soil temperature 19.2 19.6 19.3 16.5 16.3 16.5 Daily variation amplitude 12.4 11.2 9.9 4.1 4.3 4.0 Average temperature 24.1 22.1 23.3 18.3 18.1 18.3Z11}V2009-03-03 dT u/5 cm M,Z12}V2009-03-05|T u /5 cm M。Z11 5 .42, π72f 2.26, π36f F, R2 0.985,P 2, HW5 2;V800 7 S 6, 1500 7 S/;V9007 S 6,1500 7 S/; 2V600 7S 6,1500 7 S/。| 2,B 2、V000 7SC/ t ]。B/ t ];000 -11 00B/ t ],1100-1600 6,/; 2000-1000/ t ], 7 S 6, 1600[7 S/m8。T u dK,K, v|,T uKv|]Z_ 4.5 ℃;K d|2 ℃P, d|3 ℃P; dv|3 ℃P。 dT uK 2;K 2; 2; 2。|KKv 2;KKv 2; 2svi; svV4。158 j 6 , S\.“YI 3;TY[ J] . 6 , i.“YII-}Y[ J] . , g. 3Y s[ J] . , 2004, 251124-126.[7] j,, ,. z Hq/ [ J] . j6 ,f.“I NYII N 3Y[ J] ., 1996, 16 1133-139.[16] C, 6 ,aV.“I NYⅡI N;T s}Y[ J] ., 1996,162214-218.[ 17] ,f .1 ; i 1“[ J] . j , 1992, 13474-78.[18] k;,3,Z 3. ; i 8 - ; i E[ J] . j9, . 1“[ J] . , 2003, 2434-8.160 j 19