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中国北方干旱半干旱区草原生态系统能量平衡闭合的季节和年际变异
王彦兵, 游翠海, 谭星儒, 陈波宇, 许梦真, 陈世苹()
Seasonal and interannual variations in energy balance closure over arid and semi-arid grasslands in northern China
WANG Yan-Bing, YOU Cui-Hai, TAN Xing-Ru, CHEN Bo-Yu, XU Meng-Zhen, CHEN Shi-Ping()

图6. 内蒙古草原不同站点年平均气温(MAT)(A)、潜热分配(LE/Rn)(B)和生长季反照率(Albedo)(C)与能量闭合平衡比率(EBR)年际变异之间的关系。DL、EG、SZ、XL1、XL2和XW分别代表多伦站、额尔古纳站、四子王旗站、锡林浩特割草站、锡林浩特围封站和西乌珠穆沁旗站。彩色线为每个站点的线性回归拟合结果, 黑色加粗线是所有站点混合线型模型拟合结果。实线代表相关关系显著(p < 0.05), 虚线代表相关关系不显著(p > 0.05)。ns, p > 0.1; #, p < 0.1; *, p < 0.05; **, p < 0.01; ***, p < 0.001。

Fig. 6. Relationships among interannual variations of energy balance ration (EBR) with mean annual temperature (MAT)(A), latent heat fraction (LE/Rn)(B) and growing season Albedo (C) across different sites in Nei Mongol grasslands. DL, EG, SZ, XL1, XL2 and XW represent Duolun site, Ergun site, Siziwangqi site, Xilinhot mowed site, Xilinhot fenced site and Xi Ujimqin Qi site, respectively. The color lines represent the linear regression model results of each site, the thick black line represents the nonlinear mixed-effects model results for all sites when the site was considered as a random factor. The solid line represents significant relation (p < 0.05) and the dash line represents insignificant relation (p > 0.05). ns, p > 0.1; #, p < 0.1; *, p < 0.05; **, p < 0.01; ***, p < 0.001.