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The feedback effect of land surface radiation budget and energy distribution on land-atmosphere system is one of the most important physical processes in climate models. Studying the effects of disturbance of cloud and precipitation on radiation budget and energy distribution is a crucial link to increase the parameterization effect of evaluating land surface radiation budget and energy balance in numerical models. Based on the data observed at the Semi-Arid Climate and Environment Observatory of Lanzhou University in 2008, the weakening influences of disturbance of cloud and precipitation on components in radiation budget and on land surface energy balance are studied. The annual average results showed that cloudy situation could be thought of as climatic background of annual average; weakening influences of cloud and precipitation on short-wave radiation are the strongest, and atmospheric long-wave radiation increases while surface long-wave radiation decreases with cloud amount increasing; the influences of cloud and precipitation on the ratio of net radiation to global radiation is small. The seasonal average results show that daily integral value of short-wave radiation decreases with cloud amount increasing both in growing season and in non-growing season, and weakening influences of cloud and precipitation on short-wave radiation in growing season are obviously stronger than in non-growing season. In growing season, there is no substantial difference among surface long-wave radiations on clear days, partly cloudy days and cloudy days, and atmospheric and surface long-wave radiation decrease apparently on overcast days. In non-growing season, the influences of cloud and precipitation on surface long-wave radiation are smaller, and its daily integral value changes a little, and atmospheric long-wave radiation increases with cloud amount increasing. The surface albedo has obvious diurnal and seasonal variation characteristics and it is higher in winter than in autumn; the diurnal variation curves of albedo present unsymmetrical “V” shapes. In growing season, sensible heat flux and soil heat flux decreased along with cloud amount increasing; latent heat flux increases with cloud amount increasing on clear, partly cloudy and cloudy days; due to the precipitation on obscure days, latent heat flux decreases greatly because net radiation is seriously weakened. In non-growing season, daily integral value of net radiation is greatest on partly cloudy days, and net radiation on clear days is very close to it on cloudy and overcast days; sensible and latent heat flux decreases with cloud amount increasing, average daily integral value of soil heat flux is negative in non-growing season. In growing season, energy closure degree on cloudy days is best, and imbalance energy accounts for 3.9% of net energy; energy closure degree on overcast days is worst, and imbalance energy accounts for 16.8% of net energy; imbalance energy accounts for 7% of net energy under both clear and partly cloud situations. Due to snow effect in non-growing season, energy closure degree in non-growing season is greater obviously than it in growing season.
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Keywords:
- semi-arid grassland /
- disturbance of cloud and precipitation /
- radiation budget /
- energy balance
[1] Li H Q, Guo W D, Sun G D, Zhang Y C 2011 Acta Phys. Sin. 60 019201 (in Chinese) [李红祺, 郭维栋, 孙国栋, 张耀存 2011 物理学报 60 019201]
[2] Ma J Y, Liang H, Luo Y, Li S K 2011 Acta Phys. Sin. 60 069601 (in Chinese) [马金玉, 梁宏, 罗勇, 李世奎 2011 物理学报 60 069601]
[3] Wang S, Zhang Q 2011 Acta Phys. Sin. 60 059203 (in Chinese) [王胜, 张强 2011 物理学报 60 059203]
[4] Mahrt L 1998 J. Atmos. Ocean Technol. 15 416
[5] Verma S B, Baldocchi D D, Anderson D E, Matt D R, Clement R J 1986 Bound-Layer Meteor. 36 71
[6] Yue P, Zhang Q, Niu S J, Wang R Y, Sun X Y, Wang S 2012 Acta Phys. Sin. 61 219201 (in Chinese) [岳平, 张强, 牛生杰, 王润元, 孙旭映, 王胜 2012 物理学报 61 219201]
[7] Yue P, Zhang Q, Li Y H, Wang R Y, Wang S, Sun X Y 2013 Acta Phys. Sin. 62 099202 (in Chinese) [岳平, 张强, 李耀辉, 王润元, 王胜, 孙旭映 2013 物理学报 62 099202]
[8] Li Z Q, Yu G R, Wen X F, Zhang L M, Ren C Y, Fu Y L 2004 Sci. China D: Earth Sci. 34 46 (in Chinese) [李正泉, 于贵瑞, 温学发, 张雷明, 任传友, 伏玉玲 2004 中国科学 D 辑 地球科学 34 46]
[9] Zhang Q, Sun Z X, Wang S 2011 Chin. J. Geophys. 54 1722 (in Chinese) [张强, 孙昭萱, 王胜 2011 地球物理学报 54 1722]
[10] Ma Y M, Yao T D, Wang J M, Hu Z Y, Ishikwawa H, Ma W Q, Su Z B 2006 Adv. Earth. Sci. 21 1215 (in Chinese) [马耀明, 姚檀栋, 王介民, 胡泽勇, Ishikwawa H, 马伟强, 苏中波 2006 地球科学展 21 1215]
[11] Zhang Q, Wang S 2008 Adv. Earth. Sci. 23 167 (in Chinese) [张强, 王胜 2008 地球科学进展 23 167]
[12] Billesbach D P 2011 Agric. For. Meteor. 151 394
[13] Mander M, Oncely S P, Vogt R, Weidinger T, Riberio L, Bernhofer C, Focken T, Kohsiek W, De Burin H A R, Liu H 2007 Boundary-Layer. Meteorol. 123 29
[14] Yue P, Li Y H, Zhang L 2012 J. Meteorol. Soc. Jap. 90C 173
[15] Teixira J, Stevens B, Bretheron C S, Cederwall R, Doyle J D, Golaz J C, Holtslag A A M, Klein S A, Lundquist K, Randall D A, Suebesma A P, Soares P M M 2008 Bull. Amer. Meteorl. Soc. 89 453
[16] van Donkelaar A, Martin R V, Park R J 2005 J. Geophys. Res. 110 D0220
[17] Zeng Q C, Zhang B L 1998 Chin. J. Atmo. Sci. 22 805 (in Chinese) [曾庆存, 张邦林 1998 大气科学 22 805]
[18] Zeng Q C, Li J P 2002 Chin. J. Atmo. Sci. 26 433 (in Chinese) [曾庆存, 李建平 2002 大气科学 26 433]
[19] Zhang Q, Zeng J, Zhang L Y, Yao T 2012 Chin. Sci. D: Earth. Sci. (in Chinese) 42 1385 [张强, 曾剑, 张立阳, 姚彤 2012 中国科学D辑 地球科学 42 1385]
[20] Huang R H, Zhou T, Chen W 2003 Adv. Atmos. Sci. 20 55
[21] Venugopal T, Seetaranayya P, Dhakate A R 2005 J. Earth Syst. Sci. 114 421
[22] Wilson K B, Hanson P J, Baldocchi D D 2000 Agric. For. Meteor. 10283
[23] Wen J, Wei Z G, L S H, Chen S Q, Ao H Y, Liang L 2007 Adv. Atmos. Sci. 24 301
[24] Hung J P, Zhang W, Zuo J Q, Bi J R, Shi J S, Wang X, Chang Z L, Huang Z W, Yang S, Zhang B D, Wang G Y, Feng G H, Yuan J Y, Zhang L, Zuo H C, Wang S G, Fu C B, Chou J F 2008 Adv. Atmos. Sci. 25 906
[25] Zhang Q, Cao X Y 2003 Chin J. Atmos. Sci. 27 247 (in Chinese) [张强, 曹晓彦 2003 大气科学 27 247]
[26] Li Z C, Wei Z G, Wen J, Fu R, Liu Y Y, Liu R 2009 Acta Energy Solar Sin. 30 12 (in Chinese) [李振朝, 伟志刚, 文军, 符睿, 刘远永, 刘蓉 2009 太阳能学报 30 12]
[27] Zhang Q, Zhao M 1998 Plateau Meteorology 17 335 (in Chinese) [张强, 赵鸣 1998 高原气象 17 335]
[28] Liu H Z, Tu G, Dong W J 2008 Chin. Sci. Bull. 53 1220 (in Chinese) [刘辉志, 涂钢, 董文杰 2008 科学通报 53 1220]
[29] Focken T 2008 Ecol. Appl. 18 1351
[30] Zhang Q, Li H Y 2010 Acta Phys. Sin. 59 716 (in Chinese) [张强, 李宏宇 2010 物理学报 59 716]
[31] Li H Y, Zhang Q, Wang C L, Yang F L, Zhao J H 2012 Acta Phys. Sin. 61 159201 (in Chinese) [李宏宇, 张强, 王春玲, 阳伏林, 赵建华 2012 物理学报 61 159201]
[32] Letzel M O, Raasch S 2003 J. Atmos. Sci. 60 2328
[33] Liang J N, Zhang L, Zhang W, Shi J S 2013 Acta Phys. Sin. 62 099203 (in Chinese) [梁捷宁, 张镭, 张武, 史晋森 2013 物理学报 62 099203]
[34] Yue P, Zhang Q, Niu S J, Cheng H, Wang X Y 2011 Acta Meteor. Sin. 25 774
[35] Oncley S P, Foken T, Vogt R, Kohsiek W, de Bruin H A R, Bernhofer C, Christen A, Gorsel E, Grantz D, Feigenwinter C, Lehner I, Liebethal C, Liu H P, Mauder M, Pitacco A, Ribeiro L, Weidinger T 2007 Bound-Layer Meteor. 123 1
[36] Sakai R K, Fitajarrald D R, Moore K E 2001 J. Appl. Meteor. 40 2178
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[1] Li H Q, Guo W D, Sun G D, Zhang Y C 2011 Acta Phys. Sin. 60 019201 (in Chinese) [李红祺, 郭维栋, 孙国栋, 张耀存 2011 物理学报 60 019201]
[2] Ma J Y, Liang H, Luo Y, Li S K 2011 Acta Phys. Sin. 60 069601 (in Chinese) [马金玉, 梁宏, 罗勇, 李世奎 2011 物理学报 60 069601]
[3] Wang S, Zhang Q 2011 Acta Phys. Sin. 60 059203 (in Chinese) [王胜, 张强 2011 物理学报 60 059203]
[4] Mahrt L 1998 J. Atmos. Ocean Technol. 15 416
[5] Verma S B, Baldocchi D D, Anderson D E, Matt D R, Clement R J 1986 Bound-Layer Meteor. 36 71
[6] Yue P, Zhang Q, Niu S J, Wang R Y, Sun X Y, Wang S 2012 Acta Phys. Sin. 61 219201 (in Chinese) [岳平, 张强, 牛生杰, 王润元, 孙旭映, 王胜 2012 物理学报 61 219201]
[7] Yue P, Zhang Q, Li Y H, Wang R Y, Wang S, Sun X Y 2013 Acta Phys. Sin. 62 099202 (in Chinese) [岳平, 张强, 李耀辉, 王润元, 王胜, 孙旭映 2013 物理学报 62 099202]
[8] Li Z Q, Yu G R, Wen X F, Zhang L M, Ren C Y, Fu Y L 2004 Sci. China D: Earth Sci. 34 46 (in Chinese) [李正泉, 于贵瑞, 温学发, 张雷明, 任传友, 伏玉玲 2004 中国科学 D 辑 地球科学 34 46]
[9] Zhang Q, Sun Z X, Wang S 2011 Chin. J. Geophys. 54 1722 (in Chinese) [张强, 孙昭萱, 王胜 2011 地球物理学报 54 1722]
[10] Ma Y M, Yao T D, Wang J M, Hu Z Y, Ishikwawa H, Ma W Q, Su Z B 2006 Adv. Earth. Sci. 21 1215 (in Chinese) [马耀明, 姚檀栋, 王介民, 胡泽勇, Ishikwawa H, 马伟强, 苏中波 2006 地球科学展 21 1215]
[11] Zhang Q, Wang S 2008 Adv. Earth. Sci. 23 167 (in Chinese) [张强, 王胜 2008 地球科学进展 23 167]
[12] Billesbach D P 2011 Agric. For. Meteor. 151 394
[13] Mander M, Oncely S P, Vogt R, Weidinger T, Riberio L, Bernhofer C, Focken T, Kohsiek W, De Burin H A R, Liu H 2007 Boundary-Layer. Meteorol. 123 29
[14] Yue P, Li Y H, Zhang L 2012 J. Meteorol. Soc. Jap. 90C 173
[15] Teixira J, Stevens B, Bretheron C S, Cederwall R, Doyle J D, Golaz J C, Holtslag A A M, Klein S A, Lundquist K, Randall D A, Suebesma A P, Soares P M M 2008 Bull. Amer. Meteorl. Soc. 89 453
[16] van Donkelaar A, Martin R V, Park R J 2005 J. Geophys. Res. 110 D0220
[17] Zeng Q C, Zhang B L 1998 Chin. J. Atmo. Sci. 22 805 (in Chinese) [曾庆存, 张邦林 1998 大气科学 22 805]
[18] Zeng Q C, Li J P 2002 Chin. J. Atmo. Sci. 26 433 (in Chinese) [曾庆存, 李建平 2002 大气科学 26 433]
[19] Zhang Q, Zeng J, Zhang L Y, Yao T 2012 Chin. Sci. D: Earth. Sci. (in Chinese) 42 1385 [张强, 曾剑, 张立阳, 姚彤 2012 中国科学D辑 地球科学 42 1385]
[20] Huang R H, Zhou T, Chen W 2003 Adv. Atmos. Sci. 20 55
[21] Venugopal T, Seetaranayya P, Dhakate A R 2005 J. Earth Syst. Sci. 114 421
[22] Wilson K B, Hanson P J, Baldocchi D D 2000 Agric. For. Meteor. 10283
[23] Wen J, Wei Z G, L S H, Chen S Q, Ao H Y, Liang L 2007 Adv. Atmos. Sci. 24 301
[24] Hung J P, Zhang W, Zuo J Q, Bi J R, Shi J S, Wang X, Chang Z L, Huang Z W, Yang S, Zhang B D, Wang G Y, Feng G H, Yuan J Y, Zhang L, Zuo H C, Wang S G, Fu C B, Chou J F 2008 Adv. Atmos. Sci. 25 906
[25] Zhang Q, Cao X Y 2003 Chin J. Atmos. Sci. 27 247 (in Chinese) [张强, 曹晓彦 2003 大气科学 27 247]
[26] Li Z C, Wei Z G, Wen J, Fu R, Liu Y Y, Liu R 2009 Acta Energy Solar Sin. 30 12 (in Chinese) [李振朝, 伟志刚, 文军, 符睿, 刘远永, 刘蓉 2009 太阳能学报 30 12]
[27] Zhang Q, Zhao M 1998 Plateau Meteorology 17 335 (in Chinese) [张强, 赵鸣 1998 高原气象 17 335]
[28] Liu H Z, Tu G, Dong W J 2008 Chin. Sci. Bull. 53 1220 (in Chinese) [刘辉志, 涂钢, 董文杰 2008 科学通报 53 1220]
[29] Focken T 2008 Ecol. Appl. 18 1351
[30] Zhang Q, Li H Y 2010 Acta Phys. Sin. 59 716 (in Chinese) [张强, 李宏宇 2010 物理学报 59 716]
[31] Li H Y, Zhang Q, Wang C L, Yang F L, Zhao J H 2012 Acta Phys. Sin. 61 159201 (in Chinese) [李宏宇, 张强, 王春玲, 阳伏林, 赵建华 2012 物理学报 61 159201]
[32] Letzel M O, Raasch S 2003 J. Atmos. Sci. 60 2328
[33] Liang J N, Zhang L, Zhang W, Shi J S 2013 Acta Phys. Sin. 62 099203 (in Chinese) [梁捷宁, 张镭, 张武, 史晋森 2013 物理学报 62 099203]
[34] Yue P, Zhang Q, Niu S J, Cheng H, Wang X Y 2011 Acta Meteor. Sin. 25 774
[35] Oncley S P, Foken T, Vogt R, Kohsiek W, de Bruin H A R, Bernhofer C, Christen A, Gorsel E, Grantz D, Feigenwinter C, Lehner I, Liebethal C, Liu H P, Mauder M, Pitacco A, Ribeiro L, Weidinger T 2007 Bound-Layer Meteor. 123 1
[36] Sakai R K, Fitajarrald D R, Moore K E 2001 J. Appl. Meteor. 40 2178
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