| 退耕还林草背景下宁夏气候生产潜力变化研究 |
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| 引用本文： | 李剑萍,官景得,刘建军,韩颖娟,王石立,马玉平,苏延勇.退耕还林草背景下宁夏气候生产潜力变化研究[J].安徽农业科学,2011(13):7783-7786. |
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| 作者姓名： | 李剑萍 官景得 刘建军 韩颖娟 王石立 马玉平 苏延勇 |
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| 作者单位： | 宁夏气象防灾减灾重点实验室;中国气象科学院; |
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| 基金项目： | 国家自然科学基金项目(40675071) |
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| 摘 要： | 对宁夏退耕还林、还草重点区域进行研究,采用＂逐步订正法＂计算该地区近50年的气候生产潜力和光温生产潜力。结果表明：宁夏灌区、中部干旱带、南部山区玉米的光温生产潜力呈线性增加趋势,但考虑光、温、水3因素的气候生产潜力,因降水稀少而数值很低,无灌溉便无农业;中部干旱带冬小麦的光温生产潜力、气候生产潜力无明显趋势,但气候生产潜力变幅很大,南部山区冬小麦光温生产潜力无明显变化趋势,气候生产潜力呈弱的下降趋势,说明冬小麦生产受到水分的极大制约。利用RegCM3-WOFOST/LINGRA耦合模式模拟的气象要素数据计算了未来宁夏中、南部冬小麦气候生产潜力,均呈弱的增长趋势,说明退耕还林后宁夏气候有利于冬小麦产量的提高。
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| 关 键 词： | 气候生产潜力 光温生产潜力 逐步订正法 宁夏 |
Study on the Variation of Ningxia Climate Production Potential under the Returning Farmland to Forestland and Grassland Background |
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| LI Jian-ping et al.Study on the Variation of Ningxia Climate Production Potential under the Returning Farmland to Forestland and Grassland Background[J].Journal of Anhui Agricultural Sciences,2011(13):7783-7786. |
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| Authors: | LI Jian-ping |
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| Institution: | LI Jian-ping et al(Ningxia Key Laboratory for Meteorological Disaster Prevention and Reduction,Yinchuan,Ningxia 750002) |
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| Abstract: | The key zones of returning farmland to forestland and grassland in Ningxia were studied.By using the step by step revisal method,the climate production potential,light and temperature production potential in the zone in recent 50 years were counted.The light and temperature production potential of corn in Ningxia irrigated area,the central arid zone and the southern mountain area presented the linear increase trend.But when considered the climate production potential of light,temperature and water,the numer... |
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| Keywords: | Climate production potential Light and temperature production potential Step by step revisal method Ningxia |
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