树轮稳定氮同位素记录的进展与展望
王可逸, 刘晓宏, 曾小敏, 徐国保, 张凌楠, 李春越

Stable nitrogen isotope in tree rings: Progresses, problems and prospects
WANG Keyi, LIU Xiaohong, ZENG Xiaomin, XU Guobao, ZHANG Lingnan, LI Chunyue
图4 树轮多指标同位素耦合分析框架图
Fig. 4 The concept diagram of coupling of multiple stable isotope proxies in tree rings