Xu Qianqian,Dai Rui,Yuan Wenjie,et al.Temporal and Spatial Evolution of Rainstorm and Water Vapor Transport in Hefei Under Urbanization[J].Research of Soil and Water Conservation,2024,31(05):315-326.[doi:10.13869/j.cnki.rswc.2024.05.034]
城市化背景下合肥暴雨时空演变和水汽输送特征
- Title:
- Temporal and Spatial Evolution of Rainstorm and Water Vapor Transport in Hefei Under Urbanization
- 文章编号:
- 1005-3409(2024)05-0315-12
- Keywords:
- urbanization effect; spatial and temporal distribution of rainstorm; water vapor transport; Hefei
- 分类号:
- P333.2
- 文献标志码:
- A
- 摘要:
- [目的]研究城市化背景下合肥暴雨事件的演变、水汽输送来源,可以为当地暴雨预报和制定适应性防灾减灾政策提供科学依据。[方法]利用趋势分析、Mann-Kendall非平稳性检验、GIS空间插值等多种方法探究合肥暴雨事件的时空分布,在此基础上基于拉格朗日方法的后向轨迹HYSPLIT模式对暴雨水汽输送特征进行分析。[结果](1)合肥城市热岛强度呈上升趋势(0.266℃/10 a),不透水面持续增多,增幅达4.99%。城—郊暴雨月分布呈单峰型,大尺度年际变化具有不对称性,城市暴雨雨量和暴雨日数增多,暴雨强度减少,减少趋势1.7 mm/(10 a·d); 郊区暴雨雨量和日数减少,暴雨强度增多,线性趋势1.1 mm/(10 a·d)。暴雨强度大值区空间分布从城区向郊区扩展。暴雨事件均发生由少到多的突变。(2)城市化对下风向区暴雨事件存在增加效应,暴雨雨量和日数分别增多26.84 mm/10 a和0.11 d/10 a,且快速发展阶段的城市化效应比缓慢阶段更显著,城市化影响对暴雨雨量、暴雨日数的正贡献度分别为41.2%和50.1%。(3)暴雨异常偏多年份,来自印度洋、孟加拉湾—中国南海和西太平洋的水汽输送贡献分别占总水汽的44%,64%和54%,且源自西南方向的水汽气团初始高度较低、比湿大,是暴雨过程的主要水汽来源。[结论]合肥城郊暴雨事件年际变化的不对性在城市化快速发展阶段更显著,未来应加强对城市化快速发展阶段暴雨事件变化机理的研究。
- Abstract:
- [Objective]The aims of this study are to investigate on the evolution of rainstorm events and the sources of water vapor transport in Hefei under the background of urbanization, and to provide scientific basis for local rainstorm forecast and formulation of adaptive disaster prevention and reduction policies.[Methods]Trend analysis, Mann-Kendall non-stationarity test, GIS spatial interpolation and other methods were used to explore the spatiotemporal evolution of rainstorm events in Hefei, on this basis, the characteristics of rainstorm water vapor transport were analyzed based on the backward trajectory HYSPLIT model of Lagrange method. [Results](1)The urban heat island effect showed an upward trend(0.266℃/10 a), impervious water surface continued to increase by 4.99%, the large-scale interannual variability of urban-suburban rainstorms had a feature of asymmetry, with an increase in the amount and number of days of urban rainstorms and a decrease in the intensity of rainstorms at a rate of -1.7 mm/(10 a·d); and an increase in the intensity of suburban rainstorms at a rate of 1.1 mm/(10 a·d); and a decrease in the amount and number of days of rainstorms. The spatial distribution of the large value area of rainstorm intensity extends outward from urban areas.(2)Urbanization had increased the number and extremity of rainstorm events in downwind urban areas, and the urbanization effect was more pronounced in the rapid development phase than in the slow development phase. The contribution of urbanization effects to the rainfall, number of days and intensity of rainstorms was 41.2%, 50.1%.(3)The water vapor transport from the Indian Ocean, the Bay of Bengal to the South China Sea and the Western Pacific accounted for 44%, 64% and 54% of the total water vapor, respectively, and the water vapor mass from the southwest was the main source of water vapor during the rainstorm process because of its low initial height and large specific humidity. [Conclusion]The asymmetry of rainstorm events in the suburbs of Hefei is more significant in the rapid development stage of urbanization. In the future, we should strengthen the research on the mechanism of rainstorm time change under the background of urbanization.
参考文献/References:
[1]陶诗言.1998年夏季中国暴雨的形成机理与预报研究[M].北京:气象出版社,2001.
Tao S Y. Study on the formation mechanism and forecast of heavy rain in China in summer of 1998[M]. Beijing:China Meteorological Press, 2001.
[2]丁一汇.中国暴雨理论的发展历程与重要进展[J].暴雨灾害,2019,38(5):395-406.
Ding Y H. The major advances and development process of the theory of heavy rainfalls in China[J]. Torrential Rain and Disasters, 2019,38(5):395-406.
[3]罗亚丽,孙继松,李英,等.中国暴雨的科学与预报:改革开放40年研究成果[J].气象学报,2020,78(3):419-450.
Luo Y L, Sun J S, Li Y, et al. Science and prediction of heavy rainfall over China:Research progress since the reform and opening-up of the People's Republic of China[J]. Acta Meteorologicasinica, 2020,78(3):419-450.
[4]Franz T E, Zreda M, Ferre T P A, et al. Measurement depth of the cosmic ray soil moisture probe affected by hydrogen from various sources[J]. Water Resources Research, 2012,48(8):1-9.
[5]Scoccimarro E, Gualdi S, Bellucci A, et al. Heavy precipitation events in a warmer climate:Results from CMIP5 models[J]. Journal of Climate, 2013,26(20):7902-7911.
[6]Lin A W, Zhu H J, Wang L C, et al. Characteristics of long-term climate change and the ecological responses in central China[J]. Earth Interactions, 2016,20(2):1-24.
[7]Wang C H, Yang K, Li Y L, et al. Impacts of spatiotemporal anomalies of Tibetan Plateau snow cover on summer precipitation in Eastern China[J]. Journal of Climate, 2017,30(3):885-903.
[8]周嘉琦,陈世发.1951—2018年华南前汛期暴雨特征分析:以韶关市为例[J].水土保持研究,2021,28(3):163-169,176.
Zhou J Q, Chen S F. Analysis on characteristics of rainstorm in South China during the previous flood season from 1951 to 2018:Taking Shaoguan city as an example[J]. Research of Soil and Water Conservation, 2021,28(3):163-169,176.
[9]卢芹芹,秦年秀,汪军能,等.近60年来百色地区极端降水事件的时空节律变化特征[J].水土保持研究,2021,28(3):216-222.
Lu Q Q, Qin N X, Wang J N, et al. Characteristics of temporal and spatial variation of extreme precipitation in Baise Area in recent 60 years[J]. Research of Soil and Water Conservation, 2021,28(3):216-222.
[10]郑祚芳,高华,王在文,等.北京地区降水空间分布及城市效应分析[J].高原气象,2014,33(2):522-529.
Zheng Z F, Gao H, Wang Z W, et al. Analysis on spatial distribution of precipitation in Beijing and its city effect[J]. Plateau Meteorology, 2014,33(2):522-529.
[11]苗世光,蒋维楣,梁萍,等.城市气象研究进展[J].气象学报,2020,78(3):477-499.
Miao S G, Jiang W M, Liang P, et al. Advances in urban meteorology in China[J]. Acta Meteorologica Sinica, 2020,78(3):477-499.
[12]李书严,马京津.城市化进程对北京地区降水的影响分析[J].气象科学,2011,31(4):414-421.
Li S Y, Ma J J. Impact of urbanization on precipitation in Beijing Area[J]. Journal of the Meteorological Sciences, 2011,31(4):414-421.
[13]谢五三,田红.近50年安徽省暴雨气候特征[J].气象科技,2011,39(2):160-164.
Xie W S, Tian H. Climate characteristics of heavy rainfall in recent50 years over Anhui Province[J]. Meteorological Science and Technology, 2011,39(2):160-164.
[14]谢五三,王胜.近40a淮河流域暴雨特征分析[J].暴雨灾害,2010,29(4):377-380.
Xie W S, Wang S. Analysis of the characteristic of rainstorm in the Huaihe River Basin for the last 40 years[J]. Torrential Rain and Disasters, 2010,29(4):377-380.
[15]王胜,田红,徐敏,等.1961—2008年淮河流域主汛期极端降水事件分析[J].气象科技,2012,40(1):87-91.
Wang S, Tian H, Xu M, et al. Analysis of extreme precipitation events in rainy season over Huaihe River Basin from 1961 to 2008[J]. Meteorological Science and Technology, 2012,40(1):87-91.
[16]邵慧,冼桃,陈凤娇,等.基于TRMMPR探测的夏季合肥地区降水特征分析[J].气象学报,2017,75(5):744-756.
Shao H, Xian T, Chen F J, et al. Analysis of precipitation characteristics over Hefei district in summer based on TRMMPR[J]. Acta Meteorologica Sinica, 2017,75(5):744-756.
[17]Brimelow J C, Reuter G W. Transport of atmospheric moisture during three extreme rainfall events over the Mackenzie River Basin[J]. Journal of Hydrometeorology, 2005,6(4):423-440.
[18]江志红,任伟,刘征宇,等.基于拉格朗日方法的江淮梅雨水汽输送特征分析[J].气象学报,2013,71(2):295-304.
Jiang Z H, Ren W, Liu Z Y, et al. Analysis of water vapor transport characteristics during the Meiyu over the Yangtze-Huaihe River valley using the Lagrangian method[J]. Acta Meteorologica Sinica, 2013,71(2):295-304.
[19]胡燕,刘红武,曾钰婷,等.湖南两次不同类型致灾暴雨水汽特征分析[J].灾害学,2022,37(3):93-98,111.
Hu Y, Liu H W, Zeng Y T, et al. Analysis of water vapor transport for disaster of two different types of rainstorms in Hunan[J]. Journal of Catastrophology, 2022,37(3):93-98,111.
[20]徐敏,田红.淮河流域2003年梅雨时期降水与水汽输送的关系[J].气象科学,2005,25(3):265-271.
Xu M, Tian H. The relationship between the atmospheric vapor transportation and the rainfall over Huaihe River Basin during the meryu period in 2003[J]. Journal of the Meteorological Sciences, 2005,25(3):265-271.
[21]田红,程智,谢五三,等.2020年安徽梅雨异常特征及预测前兆信号分析[J].暴雨灾害,2020,39(6):564-570.
Tian H, Cheng Z, Xie W S, et al. Analysis on the characteristics of Meiyu anomaly and prediction precursor signal in Anhui Province in 2020[J]. Torrential Rain and Disasters, 2020,39(6):564-570.
[22]张硕,刘勇洪,黄宏涛.珠三角城市群热岛时空分布及定量评估研究[J].生态环境学报,2017,26(7):1157-1166.
Zhang S, Liu Y H, Huang H T. Research on quantitative evaluations and spatial and temporal distribution of heat islands for the Pearl River Delta agglomeration[J]. Ecology and Environmental Sciences, 2017,26(7):1157-1166.
[23]魏凤英.现代气候统计诊断与预测技术[M].2版.北京:气象出版社,2007.
Wei F Y. Climatological statistical diagnosis and prediction technology[M]. Beijing:China Meteorological Press, 2007.
[24]黄嘉佑.第三讲气候状态变化趋势与突变分析[J].气象,1995,21(7):54-57, F003.
Huang J Y. Analysis of the trend and abrupt change of climate state[J]. Meteorological Monthly, 1995,21(7):54-57, F003.
[25]方创琳,刘晓丽,蔺雪芹.中国城市化发展阶段的修正及规律性分析[J].干旱区地理,2008,31(4):512-523.
Fang C L, Liu X L, Lin X Q. Stages correction and regularity analysis of urbanization course of China[J]. Arid Land Geography, 2008,31(4):512-523.
[26]池艳珍,何金海,吴志伟.华南前汛期不同降水时段的特征分析[J].南京气象学院学报,2005,28(2):163-171.
Chi Y Z, He J H, Wu Z W. Features analysis of the different precipitation periods in the pre-flood season in South China[J]. Journal of Nanjing Institute of Meteorology, 2005,28(2):163-171.
[27]谢志清,杜银,曾燕,等.江淮流域年极端降水事件分类特征及其致洪风险[J].中国科学:地球科学,2018,48(9):1153-1168.
Xie Z Q, Du Y, Zeng Y, et al. Classification of yearly extreme precipitation events and associated flood risk in the Yangtze-Huaihe River Valley[J]. Science China Earth Sciences, 2018,48(9):1153-1168.
[28]倪婷,黄勇,凌新锋,等.大别山区地形降水特征分析[J].气象科技,2018,46(3):556-562.
Ni T, Huang Y, Ling X F, et al. Characteristics of orographic precipitation in Dabie Mountain[J]. Meteorological Science and Technology, 2018,46(3):556-562.
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备注/Memo
收稿日期:2023-08-16 修回日期:2023-11-13
资助项目:安徽省自然科学基金(2208085QD120); 安徽省自然科学基金江淮气象联合基金(2208085UQ03); 安徽省气象局创新发展专项(CXB202202; AHQXZC202310); 合肥市气象局科研项目(HFZL2020002)
第一作者:徐倩倩(1986—),女,安徽萧县人,硕士,高级工程师,主要从事城市边界层气象研究。E-mail:nancy013@163.com