1971~2022年内蒙古二十四节气气候特征分析  

Analysis on Climatic Characteristics of 24 Solar Terms in Inner Mongolia from 1971 to 2022

作　　者：陈琳 黄刚[2,3] 屈侠 CHEN Lin;HUANG Gang;QU Xia(Inner Mongolia Meteorological Service Center,Hohhot 010051;Key Laboratory of Earth System Numerical Modeling and Application,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029;University of Chinese Academy of Sciences,Beijing 100049;Center for Monsoon System Research,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029)

机构地区：[1]内蒙古自治区气象服务中心,呼和浩特010051 [2]中国科学院大气物理研究所地球系统数值模拟与应用重点实验室,北京100029 [3]中国科学院大学,北京100049 [4]中国科学院大气物理研究所季风系统研究中心,北京100029

出　　处：《气候与环境研究》2024年第6期656-666,共11页Climatic and Environmental Research

基　　金：中国三峡哥伦比亚控股有限公司CTGL-2022-CO-SA-039;国家自然科学基金项目42141019、42261144687。

摘　　要：对1971~2022年内蒙古地区西部、中部及东部地区二十四节气气温、降水、相对湿度和日照的变化特征进行了统计分析,得出:1)三区域气温、降水呈现出明显的年循环特征。三区域平均气温的最大值和最小值均分别出现在小暑和小寒节气,春分、清明和立冬节气气温波动最大;中、西部地区在大暑节气降水量最多,东部在小暑节气最多;中、东部在大暑节气相对湿度达到最大,西部在立秋达到最大;三区域均在小满节气日照时数最长。2)1971~2022年,三区域平均气温呈增加趋势,相对湿度和日照时间呈现出减少的趋势。A statistical analysis of temperature,precipitation,relative humidity,and sunshine hours across the 24 solar terms in the western,central,and eastern regions of Inner Mongolia from 1971 to 2022 was conducted.The key findings include:1)The temperature and precipitation values in the three regions exhibit distinct annual cyclical patterns.The highest and lowest average temperatures for the three regions were recorded during the Minor Heat and Minor Cold,respectively.Significant temperature fluctuations were observed around the Spring Equinox,Pure Brightness,and Beginning of Winter.The highest precipitation levels were recorded during the Major Heat in the central and western regions,whereas the eastern region experienced the highest precipitation during the Minor Heat.Relative humidity reached its peak during the Major Heat in the central and eastern regions,whereas in the western region,it peaked during the Beginning of Autumn.All three regions reached their peak sunshine hours during the Grain Buds.2)The average temperature in all three regions showed an increasing trend from 1971 to 2022,whereas relative humidity and sunshine hours exhibited a decreasing trend.

关 键 词：二十四节气 气候变化 内蒙古 

分 类 号：P467[天文地球—大气科学及气象学]