南京大学学报（自然科学版）2025，Vol.61Issue(3)：454-464,11.DOI:10.13232/j.cnki.jnju.2025.03.009
基于CALIPSO的格陵兰岛吹雪特征分析
Analysis of blowing snow characteristics over Greenland based on CALIPSO
摘要
Abstract
The Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations(CALIPSO)is the world's first satellite to retrieve vertical structure information of the Earth's atmosphere.Since its launch in 2006,CALIPSO has provided high-precision vertical atmospheric profile data through its onboard Cloud-Aerosol Lidar with Orthogonal Polarization(CALIOP).It offers valuable support for studies on the global atmospheric environment and cloud microphysical properties.In this study,based on CALIPSO's Greenland blowing snow products from 2006 to 2023,we statistically and analytically characterize the spatial and temporal distributions of blowing snow frequency,layer depth,and layer optical depth over the 18 years and explore the relationship between surface wind speeds and blowing snow layer height and layer optical depth.The results reveal significant seasonal and spatial variations in blowing snow frequency across Greenland.December to February is the high-frequency period for blowing snow events,with some regions experiencing blowing snow more than 30%of the time.Spatially,high-frequency blowing snow areas are primarily concentrated in the northern region(30°～55°W)and the southern periphery(67°N,45°W).The blowing snow layer depth and layer optical depth range from 30 to 400 m and 0.01 to 0.8 respectively,with their spatial distributions showing strong consistency.Furthermore,the relationship between blowing snow layer depth,layer optical depth,and wind speed is nonlinear.Both parameters increase with wind speed when wind speeds are below 30 m·s-1 but decrease as wind speeds exceed 30 m·s-1.关键词
吹雪/高影响天气/格陵兰岛/CALIPSOKey words
blowing snow/high impact weather/Greenland/CALIPSO分类
天文与地球科学引用本文复制引用
陈绎冰,叶进,刘磊,孙学金,丁锦锋..基于CALIPSO的格陵兰岛吹雪特征分析[J].南京大学学报（自然科学版）,2025,61(3):454-464,11.基金项目
国家重点研发计划(2021YFC2802501) （2021YFC2802501）
