沙漠与绿洲气象2025，Vol.19Issue(1)：13-22,10.DOI:10.12057/j.issn.1002-0799.2407.11001
多时间尺度下西北干旱荒漠区风蚀气候侵蚀力及关键驱动因子时空变化研究
Spatio-temporal Variation of Wind Erosion Climatic Erodibility and Key Driving Factors in Northwest Arid Desert Region under Multi-time Scales
摘要
Abstract
Based on daily ground observation data from 122 meteorological stations in the arid desert regions of northwest China from 1961 to 2020,this study employed climate trend analysis and spatial interpolation methods to systematically investigate the spatio-temporal distribution and variation characteristics of wind erosion climatic erodibility,as well as its key driving factors across various time scales.Additionally,the study examined the influence of meteorological factors,including wind speed,precipitation,and reference evapotranspiration,on wind erosion climatic erodibility in the study area.The results indicated that,on an annual scale,regions such as Alashan League and Hami City in the central part of the study area exhibited strong wind erosion climatic erodibility,with the annual wind erosion climatic factor index(C)exceeding 50.These regions were characterized by high wind speeds,low precipitation,and high evapotranspiration.Overall,the study area showed a trend of weakening wind erosion,primarily due to decreases in wind speed(32.48％)and evapotranspiration(4.73％),as well as increases in precipitation(30.17％).On a seasonal scale,spring was the most severe season for wind erosion,due to high wind speeds,low precipitation,and high evapotranspiration.Wind erosion gradually weakened from summer to winter.At the monthly scale,both the wind erosion climatic factor index and wind speed exhibited decreasing trends across all months in the study area,with the most significant decline occurring in April,at a climatic tendency rate of-0.5·(10 a)-1 and-0.13 m·s-1·(10 a)-1,respectively.关键词
西北干旱荒漠区/风蚀气候因子指数/风速/参考作物蒸散量/降水量Key words
northwest arid desert region/wind erosion climatic factor index/wind speed/reference crop evapotranspiration/precipitation分类
天文与地球科学引用本文复制引用
姜婧妍,胡琦,楚希雅,张科,王雪姣,王森,郭燕云..多时间尺度下西北干旱荒漠区风蚀气候侵蚀力及关键驱动因子时空变化研究[J].沙漠与绿洲气象,2025,19(1):13-22,10.基金项目
新疆维吾尔自治区重点研发计划(2022B02001-1) （2022B02001-1）
国家重点研发计划(2023YFD1900504,2022YFD1900302) （2023YFD1900504,2022YFD1900302）
