[Objective] The aim was to study the change characteristics of temperature and heat resources in rural area of Chaoyang in western Liaoning. [Method] Based on the data from rural meteorological station in Chaoyang in ...[Objective] The aim was to study the change characteristics of temperature and heat resources in rural area of Chaoyang in western Liaoning. [Method] Based on the data from rural meteorological station in Chaoyang in western Liaoning from 1966 to 2010, the change characteristics of temperature and heat resources in rural area in Chaoyang were analyzed by means of serial correlation and climate tendency method, so as to master its climate situation. [Result] The annual average value of daily average temperature, daily maximum temperature and daily minimum temperature in rural area of Chaoyang in western Liaoning from 1966 to 2010 showed fluctuation variation, and the annual average value of daily maximum temperature increased most obviously with the climatic tendency of 0.328 ℃/10 a and highest significant level, so it played an important role in temperature increase, next came daily average temperature (0.151 ℃/10 a), while there was no obvious decrease in daily minimum temperature. The average of daily maximum temperature in winter half year increased more obviously than that in summer half year, with the climatic tendency of 0.417 and 0.250 ℃/10 a, respectively; the trend of daily average temperature reached low significant level, and there was no obvious variation in daily minimum temperature. In addition, ≥10 ℃ accumulated temperature in rural area of Chaoyang in western Liaoning went up obviously, with the climatic tendency of 42.59 ℃·d/10 a, namely it increased by 192 ℃·d in recent 45 years. [Conclusion] The study could provide climatic reference for the adjustment of agriculture structure and varieties distribution.展开更多
通过对我国现代气候条件下发育的22个土壤剖面发育指标的分析,运用相关性分析方法建立了土壤发育指标与气候因子的关系—转换函数,并将之运用于辽宁朝阳凤凰山古土壤剖面古气候参数重建中,得出71～423 ka BP以来的古气候参数值:403～423...通过对我国现代气候条件下发育的22个土壤剖面发育指标的分析,运用相关性分析方法建立了土壤发育指标与气候因子的关系—转换函数,并将之运用于辽宁朝阳凤凰山古土壤剖面古气候参数重建中,得出71～423 ka BP以来的古气候参数值:403～423 ka BP期间年均降雨量为523.92～574.42 mm,年均温为10.6～11.0℃;311～403 ka BP期间年均降雨量为1 184.6～1 277.2 mm,年均温为15.6～16.6℃;243～311 ka BP期间年均降雨量为517.24～669.08 mm,年均温为9.18～12.2℃;225～243 ka BP期间年均降雨量为1 302.7 mm,年均温为16.5℃;208～225 ka BP期间年均降雨量为642.54～731.42 mm,年均温为10.1～11.6℃;176～208 ka BP期间年均降雨量为1 231.4 mm,年均温为16.0℃;148～176 ka BP期间年均降雨量为640.49～682.09 mm,年均温为8.49～9.13℃;71～148 ka BP期间年均降雨量为1 128.2～1 294.0 mm,年均温为16.1～16.6℃。辽宁朝阳现今全年平均气温9℃,年均降水量450～500 mm,说明该地区42万年以来气候有过多次波动,但总的趋势是由温暖湿润向寒冷干旱演化。展开更多
基金Supported by Natural Science Foundation of Liaoning Province(20102109)
文摘[Objective] The aim was to study the change characteristics of temperature and heat resources in rural area of Chaoyang in western Liaoning. [Method] Based on the data from rural meteorological station in Chaoyang in western Liaoning from 1966 to 2010, the change characteristics of temperature and heat resources in rural area in Chaoyang were analyzed by means of serial correlation and climate tendency method, so as to master its climate situation. [Result] The annual average value of daily average temperature, daily maximum temperature and daily minimum temperature in rural area of Chaoyang in western Liaoning from 1966 to 2010 showed fluctuation variation, and the annual average value of daily maximum temperature increased most obviously with the climatic tendency of 0.328 ℃/10 a and highest significant level, so it played an important role in temperature increase, next came daily average temperature (0.151 ℃/10 a), while there was no obvious decrease in daily minimum temperature. The average of daily maximum temperature in winter half year increased more obviously than that in summer half year, with the climatic tendency of 0.417 and 0.250 ℃/10 a, respectively; the trend of daily average temperature reached low significant level, and there was no obvious variation in daily minimum temperature. In addition, ≥10 ℃ accumulated temperature in rural area of Chaoyang in western Liaoning went up obviously, with the climatic tendency of 42.59 ℃·d/10 a, namely it increased by 192 ℃·d in recent 45 years. [Conclusion] The study could provide climatic reference for the adjustment of agriculture structure and varieties distribution.
文摘通过对我国现代气候条件下发育的22个土壤剖面发育指标的分析,运用相关性分析方法建立了土壤发育指标与气候因子的关系—转换函数,并将之运用于辽宁朝阳凤凰山古土壤剖面古气候参数重建中,得出71～423 ka BP以来的古气候参数值:403～423 ka BP期间年均降雨量为523.92～574.42 mm,年均温为10.6～11.0℃;311～403 ka BP期间年均降雨量为1 184.6～1 277.2 mm,年均温为15.6～16.6℃;243～311 ka BP期间年均降雨量为517.24～669.08 mm,年均温为9.18～12.2℃;225～243 ka BP期间年均降雨量为1 302.7 mm,年均温为16.5℃;208～225 ka BP期间年均降雨量为642.54～731.42 mm,年均温为10.1～11.6℃;176～208 ka BP期间年均降雨量为1 231.4 mm,年均温为16.0℃;148～176 ka BP期间年均降雨量为640.49～682.09 mm,年均温为8.49～9.13℃;71～148 ka BP期间年均降雨量为1 128.2～1 294.0 mm,年均温为16.1～16.6℃。辽宁朝阳现今全年平均气温9℃,年均降水量450～500 mm,说明该地区42万年以来气候有过多次波动,但总的趋势是由温暖湿润向寒冷干旱演化。
