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当前位置: 首页 > 文章 > 江汉平原四湖流域近50年高温热害及热涝相随特征 中国农业气象 2012,33 (4) 609-614
Position: Home > Articles > Hot Damage and Concomitance of Hot and Waterlogging in Four-lake Basin in Jianhan Plain during the Last 50 Years Chinese Journal of Agrometeorology 2012,33 (4) 609-614

江汉平原四湖流域近50年高温热害及热涝相随特征

作  者：
吴启侠;苏荣瑞;刘凯文;朱建强;杨威;周元
单  位：
长江中游湿地农业教育部工程研究中心;湖北省荆州农业气象试验站
关键词：
高温热害;热、涝相随;四湖流域;高温日数
摘  要：
利用江汉平原四湖流域荆州、潜江、监利、石首和洪湖5站点1960-2010年逐日气象资料,运用常规统计手段和Mann-Kendal突变检测方法,对四湖流域高温热害过程年际变化趋势,高温热害过程在7-8月内各旬发生频次,高温热害发生密集度,热、涝相随灾害发生特征等进行初步探讨。结果表明:(1)四湖流域1960-2010年年高温热害天数以3～19d为主,20世纪60年代初-80年代中期缓慢下降,80年代中期以后呈上升趋势,且5站点均有突变点出现,但出现的时期有所不同;(2)四湖流域高温热害以轻度热害为主,且集中在7月中旬、下旬和8月上旬这3个时段(即7月10日-8月10日),同时存在两次高温热害相连发生的现实,其中以间隔1～3d相连发生的次数最高,发生周期为3a,就热害形式来说,轻度高温热害与其它高温热害相连发生的次数最多,51a共发生39次,周期为1.31a;(3)四湖流域发生次数最多的热、涝相随灾害形式为轻度热害、偏涝相随型灾害,51a各站点平均发生了15次,占热、涝相随灾害发生总次数的44.12%,且大部热、涝相随灾害中两种灾害的间隔期在1～5d内。
译  名：
Hot Damage and Concomitance of Hot and Waterlogging in Four-lake Basin in Jianhan Plain during the Last 50 Years
作  者：
WU Qi-xia1,SU Rong-rui2,LIU Kai-wen2,ZHU Jian-qiang1,YANG Wei1,ZHOU Yuan1(1.Engineering Research Center of Wetland Agriculture in the Middle Reaches of the Yangtze River,Ministry of Education,Yangtze University, Jingzhou 434025,China;2.Jingzhou Agricultural Meteorological Station,Jingzhou 434025)
关键词：
Hot damage;Concomitance of hot and waterlogging;Four Lake Basin;Hot days
摘  要：
The characteristic of hot damage,including the occurrence frequency of hot damage in every 10 days of July and August,hot damage density,and characteristic of concomitance of hot and waterlogging,was analyzed by using normal statistical methods and Mann-Kendal mutation detection methods,based on daily meteorological data from 1960 to 2010 at Jingzhou,Qianjiang,Jianli,Shishou and Honghu in Four Lake Basin of Jianghan plain.The results showed that annual hot damage days was mainly about 3 to 19 days in the Four Lake Basin from 1960 to 2010,but it declined slightly during early 1960s and middle 1980s,then increased again.A mutation point was found in different time at each station.The slight hot damage was the main type,which mainly focused on the three stages(the middle 10 days of July,the last 10 days of July and the first 10 days of August).Even two hot damages occurred continuously,during which the interval was 1 to 3 days.Meanwhile,other damage usually followed the slight hot damage,which had the highest probability that occurred 39 times in last 51 years.The concomitance of slight hot damage and slight waterlogging was the main type of concomitance of hot and waterlogging in the Four Lake Basin,average occurrence was 15 times in last 51 years,during which the interval of two damage was 1 to 5 days.

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