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      氣候變化研究進展 ?? 2011, Vol. 7 ?? Issue (5): 336-341.

      ? 氣候變化影響 ? 上一篇    下一篇

      近50年氣候變暖對黑龍江省玉米增產(chǎn)貢獻的研究

      李秀芬1,陳莉2,姜麗霞1,3   

      1. 1. 黑龍江省氣象科學研究所
        2. 黑龍江省哈爾濱市氣象局
        3.
      • 收稿日期:2011-06-28 修回日期:2011-07-21 出版日期:2011-09-30 發(fā)布日期:2011-09-30
      • 通訊作者: 李秀芬 E-mail:china_licn@yahoo.com.cn
      • 基金資助:
        農(nóng)用天氣預報關鍵技術研究;氣候變暖對黑龍江省種植業(yè)的影響及低溫冷害風險研究;東北糧食生產(chǎn)格局的氣候變化影響與適應

      Contribution of Climate Warming to Maize Yield for 1961-2008 in Heilongjiang Province

      • Received:2011-06-28 Revised:2011-07-21 Online:2011-09-30 Published:2011-09-30

      摘要: 使用黑龍江省1961—2008年22個站的逐日氣象資料和玉米主產(chǎn)縣的產(chǎn)量資料,確立基準時段,建立氣溫影響系數(shù),分析氣候變暖對黑龍江省玉米單產(chǎn)增加/減少的貢獻率。結果表明:近50年來,氣候變暖總體上對黑龍江省玉米單產(chǎn)增加趨勢有利。以1961—1969年為基準時段,相對于20世紀60年代,70年代、80年代、90年代和21世紀初氣候變暖的貢獻率分別為16.8%、16.0%、20.9%和23.9%;以1970—1983年為基準時段,相對于20世紀70年代,80年代、90年代和21世紀初氣候變暖的貢獻率分別為3.6%、9.2%和11.2%。

      關鍵詞: 黑龍江省, 氣候變暖, 氣溫影響系數(shù), 玉米單產(chǎn), Heilongjiang Province, climate warming, temperature influence coefficient, maize yield

      Abstract: Heilongjiang Province is one of major maize production bases for China. The maize yield fluctuation is closely linked with the country food security. Therefore, it is of significance to study the influence of climate warming on maize yields in this region under the background of climate warming. Based on the daily meteorological data of 22 weather stations and the maize yields of the main counties in 1961-2008 in Heilongjiang Province, the influence of climate warming on maize yield was carried out. The reference period was selected and the temperature influence coefficient was built. The results indicate: in the recent 50 years, the climate warming was favourable to the increasing tendency of maize yield. If 1961-1969 is used as the reference period, the contribution of climate warming to the maize yield in the 1970s, 1980s, 1990s and 2001-2008 is respectively 16.8%, 16.0%, 20.9% and 23.9%, relative to that of the 1960s. If 1970-1983 is used as the reference period, then the contribution of climate warming to the maize yield in the 1980s, 1990s and 2001-2008 is respectively 3.6%, 8.2% and 11.2% , relative to that of the1970s.

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