黑河中游临泽地区夏季露水的生成

干旱区研究 ›› 2011, Vol. 28 ›› Issue (3): 471-477.

黑河中游临泽地区夏季露水的生成

余绍文¹, 孙自永^2,3, 周爱国², 段丽军¹

1. 中国地质大学研究生院, 湖北武汉 430074;
2. 中国地质大学环境学院, 湖北武汉 430074;
3. 中国科学院寒区旱区环境与工程研究所, 甘肃兰州 730000

收稿日期:2009-11-27 修回日期:2011-02-23 出版日期:2011-06-25 发布日期:2011-09-06
通讯作者: 孙自永.E-mail:ziyong.sun@gmail.com
作者简介:余绍文(1981-),男,湖北大冶人,博士研究生,主要研究方向为生态地质和环境地质.E-mail:yshw621@126.com
基金资助:
国家自然科学基金项目(40702042,40572140,40602030)和中国地质大学(武汉)优秀青年教师资助计划项目(CUGQNL0714)

Study on Dew Formation in Linze in the Middle Reaches of the Heihe River

YU Shao-wen¹, SUN Zi-yong^2,3, ZHOU Ai-guo², DUAN Li-jun¹

1. Graduate School, China University of Geosciences, Wuhan 430074, China;
2. College of Environmental Science, China University of Geosciences, Wuhan 430074, China;
3. Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China

Received:2009-11-27 Revised:2011-02-23 Online:2011-06-25 Published:2011-09-06

摘要/Abstract

摘要： 对于降雨稀少的内陆干旱区,露水具有重要的生态学意义。在黑河中游的张掖市临泽县平川镇,于2008年6～9月利用人造面板法对露水进行了连续90 d的观测,发现:① 只有当露水收集板的温度低于露点时,露水才能生成;② 观测期间河岸带共生成露水52次,总生成量为4.26 mm,绿洲内共生成34次,总生成量为1.52 mm,戈壁共生成13次,总生成量为0.64 mm;③ 从旱季进入雨季,露水生成强度逐渐增大,雨季后期露水生成强度达到最大,此后又逐渐减小;④ 降雨有利于露水的生成,河岸带和绿洲内的露水生成受降雨影响显著,而只有当单次降水量达到一定阈值时戈壁才有露水生成;空气相对湿度、天气晴朗程度和风速也影响露水的生成。

关键词: 夏季, 凝结水, 露水, 水汽吸附, 生成量, 黑河流域

Abstract: Dew plays an important role in maintaining ecosystems in arid area. In order to study the dew formation, a series of observations on dew yield were conducted in Linze County, Zhangye City in the middle reaches of the Heihe River during the period from June to September 2008. The results are as follows: (1) Dew formed only when the board temperature was lower than dew point, and dew yield and occurred times were decreased with the increase of distance away from the Heihe River and of groundwater depth as well as the decrease of vegetation coverage; (2) Dew occurred for 52, 34 and 13 times and the accumulated dew yields were 4.26 mm, 1.52 mm and 0.63 mm in riparian zone, oasis and desert respectively during the period from June 20 to September 17, 2008. There was also a temporal variation of dew yield at all three observation sties; (3) Dew intensity and average dew yield were increased from dry season to rainy season, and vice versa; and (4) It is found that rainfall is favorable for increasing dew yield at all three sites, and dew could form in desert only if previous rainfall exceeded a certain amount. Air relative humidity, weather and wind speed also affect dew formation.

Key words: summer, condensation water, dew, water vapor adsorption, dew yield, Heihe River

中图分类号:

P426.321

余绍文, 孙自永, 周爱国, 段丽军. 黑河中游临泽地区夏季露水的生成[J]. 干旱区研究, 2011, 28(3): 471-477.

YU Shao-wen, SUN Zi-yong, ZHOU Ai-guo, DUAN Li-jun. Study on Dew Formation in Linze in the Middle Reaches of the Heihe River[J]. , 2011, 28(3): 471-477.

参考文献

[1] Gutterman Y,Shem-Tov S.Mucilaginous seed coat structure of Car-richtera annua and Anastatica hierochuntica from the Negev Desert highlands of Israel,and its adhesion to the soil crust[J].Journal of Arid Environments,1997,35:695-705.

[2] Bruijnzeel L A.Hydrology of tropical montane cloud forest:A reassessment[J].Land Use and Water Resources Research,2001,1:1-18.

[3] Dawson T E.Fog in the California redwood forest:Ecosystem inputs and use by plants[J].Oecologia,1998,117:476-485.

[4] Feild T S,Dawson T E.Water sources used by Didymopanax pittieri at different life stages in a tropical cloud forest[J].Ecology,1998,79:1 448-1 452.

[5] Jacobs A F G,Heusinkveld B G,Berkowicz S M.Dew measurements along a longitudinal sand dune transect,Negev desert,Israel[J].International Journal of Biometeorology,2000,43:184-190.

[6] Ingraham N L ,Mark A F.Isotopic assessment of the hydrologic importance of fog deposition on tall snow tussock grass on southern New Zealand uplands[J].Austral Ecology,2000,25:402-408.

[7] Liu W J,Meng F R,Zhang Y P,et al.Water input from fog drip in the tropical seasonal rain forest of Xishuangbanna,Southwest China[J].Journal of Tropical Ecology,2004,20:517-524.

[8] Richards K.Observation and simulation of dew in rural and urban environments[J].Progress in Physical Geography,2004,28:76-94.

[9] Agam N,Berlinera P R.Dew formation and water vapor adsorption in semi-arid environments:A review[J].Journal of Arid Environments,2006,65:572-590.

[10] Evenari M.Adaptations of plants and animals to the desert environment[C] //Evenari M,Noy-Meir I,Goodall D W.Hot Deserts and Arid Shrublands:Ecosystems of the World.Amsterdam:Elsevie,1985:79-92.

[11] Lange O L,Belnap J,Reichenberger H.Photosynthesis of the cyanobacterial soil-crust lichen Collema tenax from arid lands in southern Utah,USA:Role of water content on light and temperature responses of CO₂ exchange[J].Functional Ecology,1998,12:195-202.

[12] Degen A A,Leeper A,Shachak M.The effect of slope direction and population-density on water influx in a desert snail,Trochoidea seetzenii[J].Functional Ecology,1992,6:160-166.

[13] Shachak M,Leeper A,Degen A A.Effect of population density on water influx and distribution in the desert snail Trochoidea seetzenii[J].Ecoscience,2002,9:287-292.

[14] Sergi M B,Salvador S,Leonor A.Diurnal variations of photosynthesis and dew absorption by leaves in two evergreen shrubs growing in Mediterranean field conditions[J].New Phytol,1999,144:109-119.

[15] Sudmayer R A,Nulsen R A,Scott W D.Measured dewfall and potential condensation on grazed pasture in the Collie river basin,southwestern Australia[J].Journal of Hydrology,1994,154:255-269.

[16] Heusinkveld B G,Berkowicz S M,Jacobs A F G,et al.An automated microlysimeter to study dew formation and evaporation in arid and semiarid regions[J].American Meteorological Society,2006,7:825-832.

[17] Yakirevich A,Berliner P R,Sorek S.A model for numerical simulating of evaporation from bare saline soil[J].Water Resources Research,1997,33:1 021-1 033.

[18] Agam N,Berliner P R.Diurnal water content changes in the bare soil of a Coastal desert[J].Journal of Hydrometeorology,2004,5:922-933.

[19] Atzema A J,Jacobs A F G,Wartena L.Moisture distribution within a maize crop due to dew[J].Netherlands Journal of Agricultural Science,1990,38:117-129.

[20] Kidron G J.Altitude dependent dew and fog in the Negev Desert,Israel[J].Agricultural and Forest Meteorology,1999,96:1-8.

[21] Severini M,Moriconi M L,Tonna G,et al.Dewfall and evapotranspiration determination during day-and nighttime on an irrigated lawn[J].Journal of Climate and Applied Meteorology,1984,23:1 241-1 246.

[22] Nikolayev V S,Beysens D,Gioda A,et al.Water recovery from dew[J].Journal of Hydrology,1996,182:19-35.

[23] Alnaser W E,Barakat A.Use of condensed water vapor from the atmosphere for irrigation in Bahrain[J].Applied Energy,2000,65:3-18.

[24] Bourque C P A,Arp P A.Dawn-to-dusk evolution of air turbulence,temperature and sensible and latent heat fluxes above a forest canopy:Concepts,model and field comparisons[J].Atmosphere Ocean,1994,32:299-334.

[25] Jacobs A F G,Van-Boxel J H,Nieveen J.Nighttime exchange processes near the soil surface of a maize canopy[J].Agricultural and Forest Meteorology,1996,82:155-169.

[26] 周爱国,孙自永,马瑞.干旱区地质生态学导论[M].北京:中国环境科学出版社,2008.[Zhou Aiguo,Sun Ziyong,Ma Rui.Geo-ecology in Arid Regions:An Introduction[M].Beijing:China Environmental Science Press,2008.]

[27] 孙自永,余绍文,周爱国,等.新疆罗布泊地区凝结水试验[J].地质科技情报,2008(3):91-96.[Sun Ziyong,Yu Shaowen,Zhou Aiguo,et al.Experimental study on the condensation water in Lop Nur Region,Xinjiang[J].Geological Science and Technology Information,2008(3):91-96.]

[28] 冯金朝,刘立超,肖洪浪,等.沙坡头地区土壤水分吸湿凝结的动态观测与理论计算[J].中国沙漠,1998,18(4):10-15.[Feng Jinchao,Liu Lichao,Xiao Honglang,et al.Dynamic measurement and theoretical calculation on water absorption and condensation of sandy soil in Shapotou region[J].Journal of Desert Research,1998,18(4):10-15.]

[29] 冯起,高前兆.半湿润沙地凝结水的初步研究[J].干旱区研究,1995,12(3):72-77.[Feng Qi,Gao Qianzhao.Priliminary study on condensation water in semi-humid sandyland[J].Arid Zone Research,1995,12(3):72-77.]

[30] 范高功.凝结水形成的试验研究及生态环境效应分析[J].西安工程学院学报,2002,24(4):63-66.[Fan Gaogong.Experimental researchon the formation of condensation water and analyzing its eco-environmental impact[J].Journal of X[i'an Engineering University,2002,24(4):63-66.]

[31] 周金龙,艾克日木·阿不都拉,董新光.天山北麓平原区凝结水的观测试验分析[J].新疆农业大学学报,2002,25(1):49-53.[Zhou Jinlong,Akramo Aboduola,Dong Xinguang.An experimental study on the condensation water in the plain area of the northern slope of Tianshan Mountains[J].Journal of Xinjiang Agricultural University,2002,25(1):49-53.]

[32] 郭占荣,刘建辉.中国干旱半干旱地区土壤凝结水研究综述[J].干旱区研究,2005,22(4):576-580.[Guo Zhanrong,Liu Jianhui.An overview on soil condensate in arid and semiarid regions in China[J].Arid Zone Research,2005,22(4):576-580.]

[33] 庄艳丽,赵文智.干旱区凝结水研究进展[J].地球科学进展,2008,23(1):31-38.[Zhuang Yanli,Zhao Wenzhi.Advances in the condensation water of arid regions[J].Advances in Earch Science,2008,23(1):31-38.]

[34] 王连喜,闵庆文,李凤霞,等.宁夏南部山区不同下垫面的小气候特征分析[J].资源科学,2005,27(4):90-93.[Wang Lianxi,Min Qingwen,Li Fengxia,et al.Microclimatic characteristics ofdifferent underlying surfaces in South Ningxia Mountains[J].Resources Science,2005,27(4):90-93.]

[35] 周爱国,马瑞,张晨.中国西北内陆盆地水分垂直循环及其生态学意义[J].水科学进展,2005,16(1):127-133.[Zhou Aiguo,Ma Rui,Zhang Chen.Vertical water cycle and its ecological effect in inland basins,Northwest China[J].Advances in Water Science,2005,16(1):127-133.