Based on the dust weather data observed by 60 meteorological stations in Liaoning Province during the period from 1971 to 2005,in this paper the interdecadal and seasonal change,spatial distribution and impacts of dust weather including floating dust,blown sand,sandstorm and dusty weather in Liaoning Province are analyzed.The results are as follows:(1) Interdecadal change of dust weather in the province is significant,dust weather occurred frequently during the period from 1971 to 1984,it was significantly decreased in past 20 years except that in 2002,and it occurs mainly in spring because of the influence of weather system,landforms and vegetation coverage,especially in April;(2) The impact of dust weather is most serious in the region northwest from Shenyang,Fuxin and northern part of Chaoyang;(3) The external and local sand source areas of dust weather in the province are the Horqin Sandland in east Inner Mongolia,northern part of north China,desertified lands in west Liaoning Province,northwestern part and partial central part of Liaoning Province.Strong wind and unstable atmospheric stratification in spring are the important factors resulting in the occurrence of dust weather in Liaoning Province;(4) Frequent occurrence of dust weather in Liaoning Province is mainly caused by the rapid temperature increase,strong wind,low vegetation coverage and low soil moisture content in spring;(5) Occurrence of dust weather in Liaoning Province has been effectively decreased because of building up the shelterbelts and implementing the weather modification.
HUANG Ge
,
SHENG Yong
. Analysis on Dust Weather in Liaoning Province[J]. Arid Zone Research, 2008
, 25(4)
: 600
-605
.
DOI: 10.13866/j.azr.2008.04.008
[1] 李锋.沙尘源区示踪方法及分布研究进展[J].干旱区研究,2007,24(3):355-363.[Li Feng.Research progresses of tracemethods and distribution of dust source areas[J].Arid Zone Re-search,2007,24(3):355-363.]
[2] 周自江.近45年中国扬沙和尘暴天气[J].第四纪研究,2001,21(1):9-17.[Zhou Zijiang.Blowing-sand and sandstormin Chi-na in recent 45 years[J].Quaternary Sciences,2001,21(1):9-17.]
[3] 李金霞,殷秀琴,包玉海.农牧交错带土地荒漠化及其影响因子研究———以扎鲁特旗为例[J].干旱区研究,2007,24(2):146-152.[Li Jinxia,Yin Xiuqin,Bao Yuhai.Study on desertifi-cation and its affecting factors in farming-pasturing ecotone—Acase study in Zhalot Banner,Inner Mongolia Autonomous Region[J].Arid Zone Research,2007(2):146-152.]
[4] 王晓青.西北地区沙尘暴灾害及防治对策[J].干旱区研究,2001,18(2):61-64.[Wang Xiaoqing.The occurrent character-astics and prevention countermeasures of sand and dirt storm disas-ter in northwestern of China[J].Arid Zone Research,2001,18(2):61-64.]
[5] 孟春雷,崔建勇.干旱区土壤蒸发及水热耦合运移模式研究[J].干旱区研究,2007,24(2):141-145.[Meng Chunlei,CuiJianyong.Study on soil evaporation and coupling transmission ofsoil moisture and heat in arid areas[J].Arid Zone Research,2007,24(2):141-145.]
[6] 胡隐樵,光田宁.强沙尘暴微气象特征和局地触发机制[J].大气科学,l997,21(5):581-589.[Hu Yinqiao,Mitsuta Y.Mi-crometeorological characteristics and local triggering mechanism ofstrong dust storm[J].Scientia Atmospherica Sinica,l997,21(5):581-589.]
[7] 郑新江,刘诚,崔小平,等.沙尘暴天气的云图特征分析[J].气象,1995,21(2):26-31.[Zheng Xinjiang,Liu Cheng,Cui Xi-aoping,et al.Cloudness features of two kinds of dust devil weatherin China[J].Meteorological Monthly,1995,21(2):26-31.]
[8] 邱金桓,孙金辉.沙尘暴的光学遥感及分析[J].大气科学,1994,18(1):1-10.[Qiu Jinhuan,Sun Jinhui.Optically remotesensing of the dust storm and result analysis[J].Chinese Journalof Atmospheric Sciences,1994,18(1):1-10.]
[9] 王劲松,俞亚勋,赵建华.中国北方典型强沙尘暴的地面加热场特征分析[J].中国沙漠,2004,24(5):599-602.[WangJingsong,Yu Yaxun,Zhao Jianhua.Analysis on surface heatingfield characteristics of typical severe dust-storms in northern China[J].Journal of Desert Research,2004,24(5):599-602.]
[10] 郭慧,王式功,李栋梁,等.甘肃春季沙尘暴环流特征及其时间尺度诊断分析[J].中国沙漠,2004,24(5):593-595.[GuoHui,Wang Shigong,Li Dongliang,et al.Circulation characters anddifferent temporal scales diagnosis analyses about spring sand-duststorms in Gansu[J].Journal of Desert Research,2004,24(5):593-595.]
[11] 全林生,时少英,朱亚芬,等.中国沙尘天气变化的时空特征及其气候原因[J].地理学报,2001,56(4):477-485.[Quan Lin-sheng,Shi Shaoying,Zhu Yafeng,et al.Temporal-spatial distribu-tion characteristics and causes of dust-day in China[J].Acta Geo-graphica Sinica,2001,56(4):477-485.]
[12] 杨德保,尚可政,王式功.沙尘暴[M].北京:气象出版社,2003:39.[Yang Debao,Shang Kezheng,Wang Shigong.Sandstorm[M].Beijing:Meteorology Press,2003:39.]
[13] 杨根生,拓万全.关于宁蒙陕农牧交错带重点地区沙尘暴灾害及防治对策[J].中国沙漠,2002,22(5):452-465.[YangGengsheng,Tuo Wanquan.Sandstorm disasters and controllingways in the agricultural and pasturing interlaced zone of Ningxia,Inner Mongolia and Shaanxi[J].Journal of Desert Research,2002,22(5):452-465.]
[14] 蒋大凯,陈艳秋,盛永.辽宁沙尘暴天气预报方法研究[J].辽宁气象,2005(3):5-6.[Jiang Dakai,Chen Yanqiu,ShengYong.The sandstorm forecast of liaoning[J].Liaoning Meteoro-logical Quarterly,2005(3):5-6.]
