陜西蘋果干旱指數研究及基于縣域單元的蘋果干旱風險分布
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科技部農業科技成果轉化資金項目“陜西富士系蘋果氣象災害風險區劃成果應用”(2011GB241600004),陜西省氣象局科技創新基金計劃項目“陜西蘋果主要氣象災害風險評估模型優化技術研究”(2012M 15)共同資助


Apple Drought Index and Apple Drought Risk Distribution in Shaanxi at County Level
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    摘要:

    為了有效利用氣候資源,趨利避害,合理規劃和發展陜西蘋果產業,促進縣域蘋果種植布局優化和健康、可持續生產,結合陜西省蘋果種植區地理、氣候的實際特征,計算和分析了代表不同氣候類型的4個代表縣的蘋果各生育期的干旱指數;并對4個代表縣進行了分生育期的蘋果干旱風險分布分析。結果顯示:萌芽—幼果期是陜西蘋果全生育期旱情最重時段,其次是果實膨大期和著色—成熟期,再次是越冬期;延安果區蘋果全生育期的旱情在整個陜西果區最為嚴重,其次是渭北東部果區,再次是渭北西部果區,關中果區蘋果全生育期旱情相對最輕。研究成果可為陜西蘋果不同生育期、不同果區的防旱抗災工作開展和縣域單元內蘋果產業防災減災決策提供參考。

    Abstract:

    In order to make full use of climate resources, pursue better benefits while avoiding disadvantages, plan and develop the apple industry in Shaanxi reasonably, and promote the optimization of apple planting layout and the healthful and sustainable production at county level, the apple drought indexes at each growth stages for 4 apple planting counties, which are on behalf of the different climate types, are calculated and analyzed, in combination with the actual geographical and climate features of apple growing areas in Shaanxi Province. The apple drought risk regionalization is conducted for each growth stage and 4 apple planting counties. The results show that the period from apple budding to young fruit appearing is the time in which apple trees are most likely attacked by droughts in Shaanxi in the whole growth period, and the fruit enlargement period is the second, then the period from coloring to mature and the wintering period; in the whole growth period, apple drought in Yan’an is the most serious, then in the northeastern and northwestern Weihe, and apple drought in Guanzhong is the least serious relatively. The results can be used as references for anti drought service at different apple growth stages in different apple growing areas in Shaanxi and for decision making in disaster prevention and mitigation of apple industry.

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王景紅,柏秦鳳,梁軼,劉映寧,張燾,肖晶晶,馬小燕.陜西蘋果干旱指數研究及基于縣域單元的蘋果干旱風險分布[J].氣象科技,2014,42(3):516~523

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  • 收稿日期:2013-05-09
  • 定稿日期:2013-11-07
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  • 在線發布日期: 2014-06-30
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