CAJ | 학술논문

基于1951—2009年衢州国家基本气象站近59 a的气温、降水等资料,对衢州市特征性灾害天气——暴雨分布进行分析,探讨衢州市区域性气象要素的变化特征。结果表明：近59 a来衢州市年平均温度在波动中呈上升趋势,特别是20世纪90年代初期开始,气温急剧上升;90年代以后19 a的平均温度比50年代上升了0.68℃,其中冬季变暖比较明显,其次为夏季。极端气温年平均值也有上升趋势,且具有明显季节性,最高温度上升幅度大于最低温度上升幅度。衢州市年降水量变化有向极端方向变化的趋势,通常以4—5 a为一个周期,偏多和偏少年份交替出现,但平均年降水量的变化并不明显。年内降水量分布呈现明显的季节性,夏季较多,冬季较少。1966年前,年降雨量变化幅度较平稳,年降雨量偏少;1966年后,降雨量逐渐增多,1975年前后达到峰值,而后逐渐减少;1980年前后发生突变,且波动增多。
기우1951—2009년구주국가기본기상참근59 a적기온、강수등자료,대구주시특정성재해천기——폭우분포진행분석,탐토구주시구역성기상요소적변화특정。결과표명：근59 a래구주시년평균온도재파동중정상승추세,특별시20세기90년대초기개시,기온급극상승;90년대이후19 a적평균온도비50년대상승료0.68℃,기중동계변난비교명현,기차위하계。겁단기온년평균치야유상승추세,차구유명현계절성,최고온도상승폭도대우최저온도상승폭도。구주시년강수량변화유향겁단방향변화적추세,통상이4—5 a위일개주기,편다화편소년빈교체출현,단평균년강수량적변화병불명현。년내강수량분포정현명현적계절성,하계교다,동계교소。1966년전,년강우량변화폭도교평은,년강우량편소;1966년후,강우량축점증다,1975년전후체도봉치,이후축점감소;1980년전후발생돌변,차파동증다。
Based on air temperature and precipitation data from 1951 to 2009,the distributions of heavy rain in Quzhou were analyzed.The change characteristics of the regional meteorological elements were discussed.The results indicate that the mean annual air temperature has an increasing trend in the recent 59 years in Quzhou,especially in the early stage of 1990s.Compared with the mean annual air temperature of 1950s,the average temperature during 1990-2009 has increased by 0.68 ℃.Warming is more obvious in winter than in summer.The average of the extreme temperature is also in an increasing trend,and it has the obviously seasonal variation.The ascending amplitude of the maximum temperature is larger than that of the minimum temperature.There is a 4-5 years cycle for precipitation in Quzhou.The richer and less precipitation years alternate,while the changes of the annual precipitation are not significant.The distributions of precipitation have the obviously seasonal characteristics in a year,and precipitation is higher in summer and lower in winter.The change amplitude of annual precipitation is stable and rainfall is less before 1966,while rainfall increases gradually after 1966 and it reaches peak in 1975,and then decreases gradually.The abrupt change of precipitation occurs around 1980,and oscillation increases.