研究员，博士生导师，现任中国科学院地理科学与资源研究所土地室主任，中国科学院大学现代农业管理教研室副主任，自然资源部资源环境承载力评价重点实验室学术委员会委员。主持国家自然科学基金项目、部委委托规划和咨询项目、中国科学院特别专项课题、中国科学院院士咨询项目课题、中国工程院重大咨询项目课题等20余项。发表学术论文106篇，以第一/通讯作者在ISPRS Journal of Photogrammetry and Remote Sensing、Computers and Electronics in Agriculture和地理学报等发表论文75篇（SCI论文48篇），授权发明专利12项，成果被Nature Food等期刊引用和长篇引述，中国日报网等报道转载，并获中央领导批示和国家部委采纳，应用于首个全国国土空间规划。入选中国科学院首批特聘研究岗位骨干（2022），中国科学院青年创新促进会会员（2021），任《Land Degradation & Development》《Discover Applied Sciences》编委、《地理科学》青年编委，央视科教频道科学顾问。

研究方向和主要贡献

开展土地系统数据挖掘及生态环境效应评估研究，针对现有土地系统多要素量化方法不足及其环境影响机制认知不清的难题，建立土地利用高精度制图和系统多要素信息挖掘新方法，解决了数据精度提高和特征刻画的技术难题；阐明了土地系统多要素差异对水土环境效应的驱动机制、为降低其效应量测不确定性开拓了新思路；搭建政策干预下土地系统优化工具、提出了国家和区域土地可持续利用的调控路径。

代表性论著：

Liaoran Gao,Erqi Xu*. Mapping cropland soil salinity using multi-cycle classification to mitigateretrieval errors. Computers and Electronics in Agriculture. 2025,231,110055.

Lina Zhang,Erqi Xu*. Effects of agricultural land use on soil nutrients and its variation along altitude gradients in the downstream of the Yarlung ZangboRiver Basin,Tibetan Plateau. Science of the Total Environment. 2023,905,167583.

Erqi Xu,Hongqi Zhang. A stratified environmental reference system for better understanding of the relationship between remote sensing observations and ground monitoring of karst rocky desertification. Land Degradation & Development. 2022,33:1366–1382.

Kewei Li,Erqi Xu*. High-accuracy continuous mapping of surface water dynamics using automatic update of training samples and temporal consistency modification based on Google Earth Engine: A case study from Huizhou,China. ISPRS Journal of Photogrammetry and Remote Sensing. 2021,179:66-80.

Zhaotong Zhang,Erqi Xu*,Hongqi Zhang. Complex network and redundancy analysis of spatial–temporal dynamic changes and driving forces behind changes in oases within the Tarim Basin in northwestern China. Catena,2021,201,105216.

Erqi Xu,Hongqi Zhang. Change pathway and intersection of rainfall,soil,and land use influencing water-related soil erosion. Ecological Indicators. 2020,113,106281.

Kewei Li,Erqi Xu*. Cropland data fusion and correction using spatialanalysis techniques and the Google Earth Engine. GIScience & Remote Sensing. 2020,57(8):1026-1045.

Erqi Xu,Hongqi Zhang,Yongmei Xu. Exploring land reclamation history: Soil organic carbon sequestration due to dramatic oasis agriculture expansion in arid region of Northwest China. Ecological Indicators,2020,108: 105746.

Erqi Xu,Hongqi Zhang. A spatial simulation model for karst rocky desertification combining top-down and bottom-up approaches. Land Degradation & Development. 2018,29(10):3390-3404.

Erqi Xu,Hongqi Zhang. A model for integrated spatial land use characteristics linking to surface nutrient concentration. International Journal of Digital Earth. 2018,11(10):1064-1084.

Erqi Xu,Hongqi Zhang. Aggregating land use quantity and intensity to link water quality in upper catchment of Miyun Reservoir. Ecological Indicators. 2016,66: 329-339.

Erqi Xu,Hongqi Zhang,Mengxian Li. Object-based mapping of karst rocky desertification using Support Vector Machine. Land Degradation & Development. 2015,26: 158-167.

Erqi Xu,Hongqi Zhang. Characterization and interaction of driving factors in karst rocky desertification: a case study from Changshun,China. Solid Earth. 2014. 5: 1329–1340.

Erqi Xu,Hongqi Zhang. Spatially-explicit sensitivity analysis for land suitability evaluation. Applied Geography. 2013,45: 1-9.

Erqi Xu,Hongqi Zhang,Mengxian Li. Mining spatial information to investigate the evolution of karst rocky desertification and its human driving forces in Changshun,China. Science of the Total Environment. 2013,458-460: 419-426.

招生专业：自然地理学

联系方式：电话：010-64889450；Email: xueq@igsnrr.ac.cn