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当前位置: 首页 > 文章 > 近53年湖南高温变化特征及其对农业的影响 湖北农业科学 2016,55 (4) 887-892
Position: Home > Articles > Changing Characteristics of High Temperature in Hunan Province during the Last 53 Years and Its Influence on Agriculture Hubei Agricultural Sciences 2016,55 (4) 887-892

近53年湖南高温变化特征及其对农业的影响

作  者：
罗伯良;李易芝
单  位：
湖南省气象科学研究所/气象防灾减灾湖南省重点实验室
关键词：
高温;气候变化;农业干旱;湖南省
摘  要：
利用1961—2013年湖南74个气象观测站逐日高温观测资料,分析了湖南近53年的高温变化规律及其影响。结果表明,湖南大部分地区高温初日呈提前趋势,每10年提前2 d以上,并且呈现明显的年代际变化特征,21世纪以后高温初日提前明显;高温日数呈增加趋势,每10年增加2 d左右,湘北高温日数增加趋势显著;总体上湘中以南大部高温最长持续日数呈弱的减少趋势,每10年减少0.5 d左右,湘中以北则呈较强的增加趋势,每10年增加1 d左右。20世纪90年代以来,湖南高温天气显著增多、增强的同时,农业干旱灾害损失日趋严重。
译  名：
Changing Characteristics of High Temperature in Hunan Province during the Last 53 Years and Its Influence on Agriculture
作  者：
LUO Bo-liang;LI Yi-zhi;Institute of Meteorological Science of Hunan Province,Key Laboratory of Preventing and Reducing Meteorological Disaster;
关键词：
high temperature;;climate change;;agricultural drought;;Hunan province
摘  要：
Based on the daily maximum air temperature data from 74 stations in Hunan during 1961 — 2013, the change rule of high temperature and its influence in Hunan during last 53 years were analyzed. The results showed that the beginning date of high temperature showed an advanced trend in most parts of Hunan with more than 2 d in advance every 10 years,and presents obvious interdecadal variation. Beginning date of high temperature was earlier obviously after 21 st century. High temperature days showed an increasing trend and 2 d in advance every 10 years, which was more obvious in North of Hunan. High temperature maximum duration showed a weak decreasing trend in the south of central Hunan and reduced 0.5d every 10 years, but which showed a strong increasing trend in the north of central Hunan and 1 d in advance every 10 years. Since the 1990 s, high temperature in Hunan increased and enhanced significantly and the loss of agricultural drought disaster was increasingly serious.

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