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Air temperature trends in growing season across the Yellow River Basin over the period 1982–2015. (a) the slope of Tmax; (b) the slope of Tmin; (I: Longyangxia in the upper reaches; II: Longyangxia to Lanzhou; III: Lanzhou to Hekou town; IV: Longmen to Sanmenxia; V: Inflow zone; VI: Hekou town to Longmen area; VII: Longmen to Huayuankou; VIII: below Huayuankou in the lower reaches).
