| 郝宏飞,辜永强,郝宏蕾.巴楚县冬小麦生育期气温变化及其对小麦产量的影响[J].沙漠与绿洲气象,2016,10(5):52~57 |
| 巴楚县冬小麦生育期气温变化及其对小麦产量的影响 |
| Effects of temperature changes during the growing season for winter wheat on yield in Bachu county |
| 投稿时间：2015-10-06 修订日期：2016-03-16 |
| DOI： |
| 中文关键词: 气温变化 突变 冬小麦 产量 巴楚 |
| 英文关键词:STemperature change Mutation Winter Wheat Yield Bachu |
| 基金项目:科技部、财政部公益性行业科研专项“农田水分利用效率对气候变化的响应与适应技术”(GYHY201106029-09)、国家重大科学研究计划“973”项目(2012CB956204-2)资助 |
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| 中文摘要: |
| 利用新疆巴楚气象站1984—2013年逐日气象资料，运用线性回归、趋势系数、异常度、Mann-Kendall突变检验等方法，分析了巴楚县多时间尺度气温的变化特征对冬小麦生长发育和产量的影响。结果表明：近30a巴楚县冬季、春季平均气温均呈上升趋势，其中春季平均气温上升趋势显著，并于1998年发生了增暖性突变；寒冷日和酷冷日数均呈减少趋势，其中寒冷日数在1996年发生了减少性突变；稳定通过0℃界限温度的初日表现为提前、终日表现为推迟，持续日数则相应表现为增加趋势；日最高气温≥30℃日数呈增加趋势；冬小麦生长季内前期气温偏低，后期气温偏高是影响小麦产量的主要气候因子，其中抽穗、开花期的平均气温与小麦产量显著相关。 |
| 英文摘要: |
| The effects of the change characteristics of temperature for multi-time scales in Bachu county on growth, development and yield of winter wheat were analyzed by using linear regression, trend coefficient, anomolus degree and Mann-Kendall test with the daily meteorological data from 1984 to 2013. The results showed that the mean temperatures in winter and spring had increasing trends during the past 30 years, The mean temperature in spring had a significant creasing trend, and the warming abrupted in 1998. Both the cold days and wintry days showed decreasing trends. And the abrupt of cold days occurred in 1996. The first and the last day on which the 0℃ lasted through stably had a advance and a delay trend, respectively. The duration between the first and the last day increased. The days of daily maximum temperature ≥30℃ increased significantly. During the growing season of winter wheat, the lower temperature in the earlier stage and the higher temperature in the later stage were the major climatic factors that affected the yield of winter wheat. The average temperatures during the head sprouting and anthesis periods had significant correlations with the yield of winter wheat. |
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