| 基于GIS技术对辽宁不同时期热量资源空间变异特征的分析 |
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| 引用本文： | 蔡福,张玉书,陈鹏狮,张淑杰,纪瑞鹏,米娜.基于GIS技术对辽宁不同时期热量资源空间变异特征的分析[J].安徽农业科学,2009,37(36):18041-18046. |
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| 作者姓名： | 蔡福 张玉书 陈鹏狮 张淑杰 纪瑞鹏 米娜 |
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| 作者单位： | 中国气象局沈阳大气环境研究所,辽宁沈阳,110016 |
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| 基金项目： | 财政部项目，中国气象局气候变化专项 |
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| 摘 要： | 利用ANUSPLIN插值软件和GIS空间分析技术对辽宁不同时期≥0℃和≥10℃的积温、初日、终日及持续日数的气候平均值进行空间拓展。研究表明,积温值地区间最大相差900℃·d以上,以环渤海为中心的高值区北界向北扩展,增大60℃·d以上,辽西和东部山区的低值区范围都不同程度缩小,积温减少,中间过渡值各区域北界略向北推。初日地区间最大差值超过15d,大连和辽西南部最早,且提前2d左右,东部山区大部最晚,延后1d左右。终日地区间最大差值超过12 d,辽宁北部和东部山区西侧为主要的提前地区,其他大部地区都向后延迟,一般延后1d左右。持续日数地区间最大差值超过30 d,高值中心由环渤海大部地区向中部平原和辽西中部扩展,延长3～4d,辽西和东部山区的低值区域略有收缩,其持续日数略有减少。
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| 关 键 词： | GIS技术 辽宁省 热量资源 空间变异 |
Analysis of Thermal Resources Spatial Variation in Different Period in Liaoning Based on GIS Technique |
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| CAI Fu et al.Analysis of Thermal Resources Spatial Variation in Different Period in Liaoning Based on GIS Technique[J].Journal of Anhui Agricultural Sciences,2009,37(36):18041-18046. |
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| Authors: | CAI Fu |
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| Institution: | CAI Fu et al(Institute of Atmospheric Environment,CMA,Shenyang,Liaoning 110016 ) |
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| Abstract: | Using ANUSPLIN interpolation software and GIS spatial analysis technique,≥0 ℃ and ≥10 ℃ accumulated temperature(AT),initial days,endings days and duration in different period in Liaoning Province were was found in Liaoning area. The north boundary of AT maximum areas where expanded northward. The minimum areas where AT decreased distributed in West Liaoning and most of mountains of East Liaoning reduced in some way,and AT middle value areas spreaded to the north. Initial days,with the largest regional difference over 15 days,were the earliest and brought forward about 2 days in Dalian and the south of West Liaoning,and were the latest and postponed around 1day in most of mountains of East Liaoning. Endings days,with the largest regional difference over 12 days,brought forward mainly in North Liaoning and the west of mountains of East Liaoning,and defered about 1 day in the other areas of Liaoning. The largest regional difference of the duration were over 30 days. The areas where the maximum of duration were distributed and postponed 3-4 days expanded from most of surrounding Bohai zone to middle plain and the middle part of West Liaoning. The area of West Liaoning and mountains of East Liaoning where the minimum of duration was located and the duration decreased slightly,had also reduced a little. |
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| Keywords: | GIS technique Liaoning Province Thermal resources Spatial variation |
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