基于GEE遥感云平台的三江源植被碳源/汇时空变化研究

张祯祺, 蔡惠文, 张平平, 王泽琳, 李婷婷

A GEE-based study on the temporal and spatial variations in the carbon source/sink function of vegetation in the Three-River Headwaters region

ZHANG Zhenqi, CAI Huiwen, ZHANG Pingping, WANG Zelin, LI Tingting

表3 三江源区2001—2020年NEP稳定性变化统计

Tab.3 NEP stability analysis in the Three-River Headwaters Region from 2001 to 2020

CV变异系数分级 稳定性等级 面积/km2 比例/% [-0.078,0.138) 高 111 203.09 36.76 [0.138,0.219) 较高 114 947.61 38.00 [0.219,0.339) 中等 56 001.25 18.51 [0.339,0.559) 较低 13 818.14 4.57 [0.559,0.75) 低 6 529.90 2.16