淮河流域夏玉米生育阶段需水量及农业干旱时空特征

高超,李学文,孙艳伟,周婷,罗纲,陈财

Spatiotemporal characteristics of water requirement and agricultural drought during summer maize season in Huaihe River Basin

Chao GAO,Xue-Wen LI,Yan-Wei SUN,Ting ZHOU,Gang LUO,Cai CHEN

图7 夏玉米生育期平均相对湿度(a)、平均风速(b)、日照时数(c)和太阳辐射(d)时间变化 图中黑色曲线为逐年气象要素变化, 虚线为线性趋势。

Fig. 7 Temporal changes of average relative humidity (a), mean wind speed (b), sunshine hours (c), and solar radiation (d) of summer maize growth period The black curve shows meteorological changed year by year; the dotted shows the liner trend.