从冬麦生育期看明代长江下游地区气候冷暖变化

Climate Changes of Ming Dynasty in the Middle and Lower Reaches from the Growth Period of Winter Wheat

根据不同资料来源的冬麦生育期所能指示的气候意义,建立了该要素某一时段内连续的物候序列,以此反映明代长江下游地区的气候冷暖变化情况。分析认为:洪武初期、弘治、正德年间均为寒冷期;嘉靖至崇祯年间则处于回暖期,其温度状况虽稍微高于现代,但此时段的升温并没有改变 "小冰期"的格局,明代整体上仍然呈现寒冷的特征。

According to the climatic significance of winter wheat growth from different data sources, establish the elements of a period of time within the continuous phenologieal sequence to refleet the climate changes of Ming Dynasty in the middle and lower reaches of the Yangtze River region. The period of early Hongwu, Hongzhi and Zhengde are cold, The period of Jiajing to Chongzhen are warm, the temperature condition is slightly higher than the modern. However, the warming of the segment did not change the pattern of the ＂Little Ice Age＂, the Ming Dynasty as a whole is still showing cold characteristics.