Characteristics of 0 cm Ground Temperature in Zhaoqing Urban Area from 1960 to 2023 and Its Climatic Influencing Factors
WANG Qian
LI Dandan
HUANG Tianwen
Abstract：To understand the variation patterns of ground temperature,this study analyzed the charac-teristics of 0 cm ground temperature and its climatic influencing factors in Zhaoqing urban area over the past 64 years(1960-2023)based on data from the Gaoyao Meteorological Station,including 0 cm ground tem-perature,air temperature,precipitation,and sunshine duration.Methods such as linear trend analysis,cor-relation analysis,and Mann-Kendall test were employed.The results indicate that:(1)Over the past 64 years,the annual and seasonal average 0 cm ground temperatures in Zhaoqing urban area showed a signifi-cant decreasing trend(P＜0.01)in all seasons except winter,with the climate tendency rates following the order of summer＞autumn＞annual＞spring＞winter in terms of significance.(2)The interannual var-iation of the annual average 0 cm ground temperature in Zhaoqing urban area exhibited multiple abrupt change points(P＜0.01),mainly concentrated between 1990 and 2005.(3)At annual,seasonal,and monthly scales,the 0 cm ground temperature showed certain correlations with air temperature,precipitation,and sunshine duration,with the correlation strengthening as the time scale decreased.This study provides valuable insights into the long-term changes of ground temperature and its climatic drivers,contributing to a better understanding of regional climate dynamics.
Keywords：0 cm ground temperatureclimate factorsZhaoqing urban area
Publication Date：2026-02-28
Online Publishing Date：2026-03-17(First online date of this platform, not the publication date of the document)
Pages：4( 22-25 )