多源遥感协同反演森林冠层高度与碳储量：进展、挑战与展望

赵悦

长江大学地球科学学院，湖北武汉，430100；

摘要：森林碳库占全球陆地植被总碳量的80%以上，准确估算其冠层高度与碳储量对于应对全球变化及评估减排成效至关重要。传统地面调查难以满足大尺度动态监测需求，而单一遥感手段（光学、SAR、LiDAR）又普遍受制于穿透能力弱、信号饱和及云层遮蔽等物理瓶颈，难以全面刻画森林三维结构。因此，综合互补信息的多源遥感协同反演已成为该领域的核心前沿方向。

本文系统综述了多源协同反演的主流方法体系，深入剖析了当前面临的核心技术挑战，并对未来全要素、高精度的研究趋势进行了展望。

关键词：多源遥感；协同反演；森林冠层高度

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