This is by far the longest tree ring dating chronology in China, which can be used as a reference for ring-width dating for trees from the arid and semi-arid regions of Northwest China.

• 文章所建的树轮定年年表是国内目前最长的连续年表，它可为我国西北干旱-半干旱区树轮长序列的定年提供标尺。