森林冠层影响降雪截留过程的研究进展

森林冠层对降雪的截留和冠层截留雪的蒸发/升华、散落释放、融化滴落等过程显著影响了北方森林区域的水文循环，开展森林冠层对降雪截留过程影响的研究对于季节性积雪森林区域的气候变化、森林经营、森林火灾以及植被演替具有重要的科学意义。对当前的森林冠层影响降雪截留过程的观测方法和理论机制进行了深入探讨和总结，并针对现有研究中缺乏林分尺度和水平过程的研究等问题，提出了引入遥感技术等先进的研究方法以及开展多尺度、多过程和多因素的交叉研究是今后研究中的重点方向。

Review on the influence of forest canopy on the process of snowfall interception

The processes of snowfall interception by forest canopy, the evaporation or sublimation, release, and melting drip of the intercepted snow significantly affect the hydrological cycle in the forest area of the north globe. Therefore, research is needed to understand the effects of forest canopy on the processes of snowfall interception. Such research would also be important for the understanding of climate change and the management of forests, forest fires, and vegetation succession in areas that experience seasonal snow cover. The mechanisms of snowfall interception and subsequent processes of snow transportation, and methods for measuring these processes, have been widely reviewed previously. However, there is lack of knowledge of the effects of forest stand scale and level process. Here, we propose to use remote sensing and other advanced research methods in studies on snowfall interception to complement the existing research. Key to this future research direction is the consideration of multi-scale, multi-process, and multi-factor interactions.