CAJ | 학술논문

利用1961～2010年黄河流域142个气象观测站的资料，详细分析了近50年黄河流域气温的时空分布和变化特征。黄河流域四季平均气温均呈现东部高、西部低、南部高、北部低的空间型态。对流域气温进行经验正交分解，第一模态呈现全流域一致的增温形势，上游增温幅度最大[0.40°C（10 a）-1]；第二模态表现为东西部反相变化；第三模态为南北部反相变化。四季气温随时间变化均呈现上升趋势，升温幅度冬季最大[0.52℃（10 a）-1]，其次是春季[0.30°C（10 a）-1]、秋季[0.26°C（10 a）-1]、夏季[0.14°C（10 a）-1]。进一步分析表明，近50年来，黄河流域的气温增暖除了全球变暖的影响，可能还来自1980年代中期和1990年代后期两次年代际增暖的贡献，这与东亚季风的两次年代际变化时间节点是一致的。
이용1961～2010년황하류역142개기상관측참적자료，상세분석료근50년황하류역기온적시공분포화변화특정。황하류역사계평균기온균정현동부고、서부저、남부고、북부저적공간형태。대류역기온진행경험정교분해，제일모태정현전류역일치적증온형세，상유증온폭도최대[0.40°C（10 a）-1]；제이모태표현위동서부반상변화；제삼모태위남북부반상변화。사계기온수시간변화균정현상승추세，승온폭도동계최대[0.52℃（10 a）-1]，기차시춘계[0.30°C（10 a）-1]、추계[0.26°C（10 a）-1]、하계[0.14°C（10 a）-1]。진일보분석표명，근50년래，황하류역적기온증난제료전구변난적영향，가능환래자1980년대중기화1990년대후기량차년대제증난적공헌，저여동아계풍적량차년대제변화시간절점시일치적。
Spatial-temporal variations of temperature in the Yellow River valley were detailedly analysed by using 142 station observation data from 1961 to 2010. With respect to spatial distribution, the temperature increases from west to east and from north to south. Empirical orthogonal function (EOF) analysis reveals that the principal EOF mode is a consistent warming over the whole valley, with the strongest warming in the upper reaches of the Yellow River [0.40 °C (10 a)-1]. Secondly, the EOF mode shows opposite variations in the eastern and western regions. Thirdly, it shows opposite variations in the southern and northern regions. The warming rate is the highest in winter [0.52 °C (10 a)-1], and then spring [0.30 °C (10 a)-1], autumn [0.26 °C (10 a)-1], and summer [0.14 °C (10 a)-1]. Further analysis reveals that, in addition to the global warming impact, the warming in the Yellow River valley during recent 50 years can be attributed to large-scale interdecadal warming in the mid-1980s and the late 1990s. These two interdecadal warming events occurred synchronously with the interdecadal shifts of the East Asian monsoon.