桑基图（Sankey diagram），即桑基能量分流图，也叫桑基能量平衡图。它是一种特定类型的流程图，图中延伸的分支的宽度对应数据流量的大小，通常应用于能源、材料成分、金融等数据的可视化分析。

THE rise of data visualisation in the digital age has revived interest in a style of chart called a Sankey diagram. These were initially made famous by Charles Joseph Minard's statistical graphic of ...