2013-2017，中科院西北生态环境资源研究院，博士
2010-2013，中科院寒区旱区环境与工程研究所，硕士
2006-2010，南京农业大学，学士

1. 同位素生理生态，主要关注具有气候重建或生态水文应用意义的植物关键组分如植物木质部水分、叶蜡烷烃、叶片或年轮纤维素等的碳、氢、氧同位素的生理生态控制机理；
2. 全球变化生态学，主要关注植物、植被对环境变化的响应。

2021.10-至今，兰州大学，资源环境学院，青年研究员（硕士研究生导师）
2017.10-2021.9，深圳大学，生命与海洋科学学院，博士后

1. Frontiers in Plant Science期刊Review Editor；
2. Agricultural and Forest Meteorology, Biogeosciences, WIREs-Water，植物生态学报等期刊审稿人。

通过技术手段的创新，搭建了植物稳态蒸腾水汽同位素组成在线测量平台，证实植物根系吸水过程不伴随氢同位素分馏，以往研究中报道的氢同位素贫化是一个普适现象，指出经典的低温真空抽提方法本身存在的缺陷是造成氢同位素贫化的关键原因；厘清了植物体水分与水源水之间的氢同位素关系，更新了同位素生态水文领域的两个经典思维定势（即根系吸水存在氢同位素分馏、以及“两个水世界”普遍存在于全球不同生态系统），同时也为树轮纤维素和叶蜡正构烷烃等代用指标的氢同位素组成现代过程研究提供了参考依据。

1. 青年研究员科研启动费，2021.10-2026.10，100万元，主持
2. 国家自然科学基金面上项目(42377450)，树轮纤维素氢同位素分馏机理研究—以青海云杉和祁连圆柏为例，2024.1-2027.12，49万元，主持

1.	Yongle Chen, Brent R. Helliker, Xianhui Tang, Fang Li, Youping Zhou, Xin Song. Stem water cryogenic extraction biases estimation in deuterium isotope composition of plant source water. Proceedings of the National Academy of Sciences, 2020, 117 (52): 33345–33350. 
2.	Yongle Chen, Zhishan Zhang, Yang Zhao, Yigang Hu, Dinghai Zhang. Soil carbon storage along a 46-year revegetation chronosequence in a desert area of northern China. Geoderma, 2018, 325: 28-36. 
3.	Yongle Chen, Zhishan Zhang, Lei Huang, Yang Zhao, Yigang Hu, Peng Zhang, Dinghai Zhang, Hao Zhang. Co-variation of fine-root distribution with vegetation and soil properties along a revegetation chronosequence in a desert area in northwestern China. Catena, 2017, 151: 16-25. 
4.	Xin Song, Yongle Chen, Brent R. Helliker, Xianhui Tang, Fang Li, Youping Zhou. Reply to Zhao: The demonstrated magnitude of artifact during stem water extraction signals a clear need for deuterium correction. Proceedings of the National Academy of Sciences, 2021, 118 (15) e2102585118. 
5.	Xin Song, Yongle Chen, Brent R. Helliker, Xianhui Tang, Fang Li, Youping Zhou. Reply to Evaristo et al.: Strong evidence for the need of correcting extraction bias in an early study of ecohydrological separation. Proceedings of the National Academy of Sciences, 2021, 118(17), e2103604118. 
6.	Jian Sun, Yongle Chen, Haichao Zhou, Zhangli Hu, Wenbo Liao, Qiong Yang, Xin Song. Carbon isotope ratio of leaf litter correlates with litter production in a mangrove ecosystem in South China. Marine Pollution Bulletin, 2020, 157:111224. 
7.	Zhishan Zhang, Yongle Chen, Bingxin Xu, Lei Huang, Huijuan Tan, Xuejun Dong. Topographic differentiations of biological soil crusts and hydraulic properties in fixed sand dunes, Tengger Desert. Journal of Arid Land, 2015, 7(2): 205-215. 
8.	Zhishan Zhang, Xuejun Dong, Bingxin Xu, Yongle Chen, Yang Zhao, Yanhong Gao, Yigang Hu, and Lei Huang. Soil respiration sensitivities to water and temperature in a revegetated desert. Journal of Geophysical Research: Biogeosciences, 2015, 120(4): 773-787. 
9.	汤显辉,陈永乐,李芳,宋欣. 水同位素分析与生态系统过程示踪：技术，应用以及未来挑战. 植物生态学报, 2020, 44(4)，350-359.
10.	陈永乐, 张志山, 赵洋. 人工固沙区土壤碳分布及其与土壤属性的关系分析. 中国沙漠, 2017, 37(3), 296-304.
11.	陈永乐, 张志山, 吴攀, 回嵘, 虎瑞, 高艳红. 腾格里沙漠东南缘不同年代固沙植被区根系分布.中国沙漠, 2013,33(2): 515-521.