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当前位置: 首页 > 文章 > 南丰蜜桔冻害的气候指标及风险评估 中国农业气象 2008,29 (4) 507-510
Position: Home > Articles > Climate Index and Risk Assessment of Frozen Injury of Nanfeng Tangerine(Citrus reticulata) Chinese Journal of Agrometeorology 2008,29 (4) 507-510

南丰蜜桔冻害的气候指标及风险评估

作  者：
殷剑敏;缪启龙;李迎春;何寿仁;张建萍
单  位：
南京信息工程大学;南丰县气象局;江西省气象科学研究所
关键词：
GIS技术;南丰蜜桔;冻害;风险评估
摘  要：
利用1961-2000年冬季极端最低气温资料,结合南丰蜜桔历年冻害情况,确定南丰蜜桔冻害的气候指标;应用G IS小网格推算技术,根据冻害指标计算得到冻害气候风险分布图,在此基础上,叠加由遥感解译的南丰蜜桔可种植土地利用类型,细化得到南丰蜜桔冻害风险分布;在风险区划的基础上进行冻害风险评估。结果显示,南丰蜜桔受轻度冻害的气候风险在海拔较低的主产区一般为4~5年一遇;中度和重度冻害区域主要为20年一遇区和40年一遇区,而蜜桔的收益期一般为15 a,可见,南丰县具有比较优越的蜜桔种植气候条件,种植蜜桔的气候风险较小。由于该方法考虑了蜜桔可开发种植土地利用类型,且地理背景数据分辨率高达25m×25m,因而结果更具有客观性和实用性。
译  名：
Climate Index and Risk Assessment of Frozen Injury of Nanfeng Tangerine(Citrus reticulata)
作  者：
YIN Jian-min1,2,MIAO Qi-long1,LI Ying-chun2,HE Shou-ren3,ZHANG Jian-ping2(1.Nanjing Information Engineering University,Nanjing 210044,China;2.Institute of Meteorological Science of Jiangxi Province,Nanchang 330046,China;3.Meteorological Bureau of Nanfeng County,Nanfeng 344500,China)
关键词：
GIS technology;Nanfeng tangerine;Frozen injury;Risk assessment
摘  要：
Based on the data of the minimum air temperature in winter from 1961 to 2000 and of the frozen injury in Nanfeng County,the quantitative climate index for the frozen injury of Nanfeng tangerine(Citrus reticulata) was determined.The maps of climate risk for the frozen injury of Nanfeng tangerine were produced through small grids estimation technique on the grid by 25m×25m based on Geographic Information System(GIS).The land use map interpreted by the remote sensing was folded on maps of the frozen injury distribution.The synthesized maps were fractionized to obtain the maps of the climate risk distribution of the frozen injury for Nanfeng tangerine.Based on the risk regionalization,the frozen injury risk assessment was carried out.The results showed that the period of the climate risk for the light frozen injury in the main production areas with low altitude was from four to five years,while it was 20 and 40 years for the moderate and severe frozen injury respectively.The general income period of time of Nanfeng tangerine was for 15 years.Therefore,the climate condition for the tangerine growing in Nanfeng County was advantageous with relative small climate risk.

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