Determination of Extreme High Temperature Thresholds before and after Summer Corn Jointing Stage in Shandong Based on Accumulated Temperature-Yield Model

doi:10.3969/j.issn.1000-6362.2017.12.006

Abstract

Abstract: By using accumulated temperature-yield model, the hourly temperature was simulated based on daily temperature from 10 meteorological stations in Shandong province from 1983 to 2012. Then the extreme high temperature thresholds both before and after summer corn jointing stage were determined, and the spatial and temporal distribution of extreme high temperature events was analyzed. The results showed that temperature were in 17-35℃ during summer corn growing season, and the duration of each temperature after jointing was larger than that of before jointing. The proportional coefficient of effective accumulated temperature converting into actual yield increased during 1983-2012. The threshold of extreme high temperature before and after summer corn jointing stage was 35.2℃ and 34.5℃ respectively. The regional extreme high temperature days decreased from western to eastern in Shandong province, which was higher after jointing stage than that of before jointing stage. The extreme high temperature days increased gradually during the research period.

Key words: Extreme high temperature threshold, Accumulated temperature-yield model, Summer corn, Jointing stage

ZHANG Qi, TANG Jie, FENG Yi-chun, ZHANG Yi-xuan, CAI Cheng-liang. Determination of Extreme High Temperature Thresholds before and after Summer Corn Jointing Stage in Shandong Based on Accumulated Temperature-Yield Model[J]. Chinese Journal of Agrometeorology, 2017, 38(12): 795-800.

References

[1]IPCC.Climate change 2007:impacts,adaptation and vulnerability contribution of working group II to the fourth assessment report of the intergovernmental panel on climate change[M]. Cambridge,UK and New York,USA:Cambridge University Press,2007. [2]Zhang Y,Xu Y,Dong W,et al.A future climate scenario of regional changes in extreme climate events over China using the PRECIS climate model[J].Geophysical Research Letters, 2006,33:L24702. [3]徐金芳,邓振镛,陈敏.中国高温热浪危害特征的研究综述[J].干旱气象,2009,27(2):163-168. Xu J F,Deng Z Y,Chen M.A summary of studying on characteristics of high temperature and heat wave damage in China[J].Journal of Arid Meteorology,2009,27(2):163-168.(in Chinese) [4]郑昌玲,宋迎波,张艳红,等.2016年秋收作物生长季农业气象条件评价[J].中国农业气象,2017,38(3):196-200. Zheng C L,Song Y B,Zhang Y H,et al.The assessment of agro-meteorological condition for autumn harvesting crops in 2016[J].Chinese Journal of Agrometeorology,2017,38(3):196- 200.(in Chinese) [5]Lobell D B,Sibley A,Ortiz-Monasterio J I.Extreme heat effects on wheat senescence in India[J].Nature Climate Change,2012, 2:186-189. [6]葛非凡,毛克彪,蒋跃林,等.华东地区夏季极端高温特征及其对植被的影响[J].中国农业气象,2017,38(1):42-51. Ge F F,Mao K B,Jiang Y L,et al.Extreme high-temperature in summer and its impacts on vegetation in east China[J].Chinese Journal of Agrometeorology,2017,38(1):42-51.(in Chinese) [7]李庆祥,黄嘉佑.对我国极端高温事件阈值的探讨[J].应用气象学报,2011,22(2):138-144. Li Q X,Huang J Y.Threshold values on extreme high temperature events in China[J].Journal of Applied Meteorological Science, 2011,22(2):138-144.(in Chinese) [8]周梦子,王会军,霍治国.极端高温天气对玉米产量的影响及其与大气环流和海温的关系[J].气候与环境研究,2017,22 (2):134-148. Zhou M Z,Wang H J,Huo Z G.The influence of heat stress on maize yield and its association with atmospheric general circulation and sea surface temperature[J].Climatic and Environmental Research,2017,22(2):134-148.(in Chinese) [9]冯春梅,郭东,冯爱国.不同温度对玉米产量的影响[J].现代农业,2014,(6):48-49. Feng C M,Guo D,Feng A G.Impacts of different temperature on corn yield[J].Modern Agriculture,2014,(6):48-49.(in Chinese) [10]刘哲,乔红兴,赵祖亮.黄淮海夏播玉米花期高温热害空间分布规律研究[J].农业机械学报,2015,46(7):272-279. Liu Z,Qiao H X,Zhao Z L.Spatial distribution of high temperature stress at corn flowering stage in Huang-Huai- Hai plain of China[J].Transactions of the Chinese Society for Agricultural Machinery,2015,46(7):272-279.(in Chinese) [11]李德,孙义,孙有丰.淮北平原夏玉米花期高温热害综合气候指标研究[J].中国生态农业学报,2015,23(8):1035-1044. Li D,Sun Y,Sun Y F.Use of integrated climatic index to determine high temperature damage to summer maize at florescence in the Huaibei Plain[J].Chinese Journal of Eco-Agriculture, 2015, 23(8):1035-1044.(in Chinese) [12]尹小刚,王猛,孔箐锌,等.东北地区高温对玉米生产的影响及对策[J].应用生态学报,2015,26(1):186-198. Yin X G,Wang M,Kong Q X,et al.Impacts of high temperature on maize production and adaptation measures in Northeast China[J].Chinese Journal of Applied Ecology,2015,26(1): 186-198.(in Chinese) [13]Lobell D B,Hammer G L,McLean G,et al.The critical role of extreme heat for maize production in the United States[J]. Nature Climate Change,2013,(3):497-501. [14]Schlenker W,Roberts M J.Nonlinear temperature effects indicate severe damages to U.S.crop yields under climate change[J]. Proceedings of the National Academy of Sciences,2009,106 (37):15594-15598. [15]Hawks J,Ritchie J T.Modeling plant and soil systems[M]. American Society of Agronomy,Madison,1991:5-29. [16]姜会飞,温德永,李楠.利用正弦分段法模拟气温日变化[J].气象与减灾研究,2010,33(3):61-65. Jiang H F,Wen D Y,Li N.A new simulation method for the diurnal variation of temperature-sub-sine simulation[J]. Meteorology and Disaster Reduction Research,2010,33(3): 61-65.(in Chinese) [17]郭庆法,王庆成,汪黎明.中国玉米栽培学[M].上海:上海科学技术出版社,2004. Guo Q F,Wang Q C,Wang L M.Maize culture science in China[M].Shanghai:Shanghai Science and Technology Press, 2004.(in Chinese)