JIANG He-wen,CAO Shi-min,HE Bao-cai,et al.Analysis of Air Water Vapor Resources and the Artificial Precipitation Potentiality of Huludao City[J].Research of Soil and Water Conservation,2014,21(02):290-293.
葫芦岛市空中水资源及人工增雨潜力分析
- Title:
- Analysis of Air Water Vapor Resources and the Artificial Precipitation Potentiality of Huludao City
- 关键词:
- 葫芦岛; 空中水资源人工增雨潜力; 时空变化
- Keywords:
- Huludao City; air water resources; artificial precipitation potentiality; spatiotemporal features
- 分类号:
- TV213.9
- 摘要:
- 基于1971—2009年葫芦岛市4站逐日的地面水汽压和降水资料，计算了每个站整层大气可降水量、有效空中水资源量、自然降水产出率以及人工增雨（雪）潜力值，分析了其时空特征和多年变化趋势。结果表明：（1）葫芦岛年平均整层大气可降水量为5 436~6 543 mm，呈现出沿海高，内陆低的特点， 有效空中水资源量为1 742~1 971 mm，约为整层大气年可降水量的1/3，总体呈现出南部略大，北部略小的特点；（2）39 a间自然降水产出率平均为32%，多年月平均自然降水产出率大值多出现在4月，小值多出现在6月和9月；（3）葫芦岛地区全年人工增雨（雪）潜力值为1 211~1 370 mm，约为该地区39 a平均降水量的（574 mm）2.2倍，最大值均出现在7月，最小值出现在12月或者1月，夏季（6—8月）的可开发潜力值约占全年的70%。
- Abstract:
- Based on the daily data of precipitation and the ground water vapor pressure from 1971 to 2009 in 4 stations of Huludao City, the atmospheric precipitable water of the whole layer, effective air water vapor resources, natural precipitation out ratio and artificial precipitation potentiality of each station were calculated, spatiotemporal features and annual trend for these years were analyzed. The results shows that: ( 1) the annual average atmospheric precipitable water of the whole layer of Huludao City is 5 436～6 543 mm, which is higher in the costal, and lower in the inland, effective air water vapor resources is 1 742~1 971 mm, which is about one third of the annual atmospheric precipitable water of the whole layer, and it is greater in the south, less in the north; (2) the average natural precipitation out ratio of 39 years is 32%, the maximum value occurs in April, and the minimum value occurs in June and September; (3) the whole year artificial precipitation potentiality of Huludao area is 1 211~1 370 mm, which is about 2.2 times of the average precipitation in 39 years(574 mm), the maximum value occurs in July, and the minimum value occurs in December or January, the development potential in summer (from June to August) is about 70% of the annual total.
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备注/Memo
收稿日期:2013-07-18;改回日期:2013-08-29。
基金项目:辽宁省葫芦岛市政府2011年科技专项“3S技术在葫芦岛市人影作业过程中的应用研究”
作者简介:江和文(1982-),男,安徽怀宁人,硕士,工程师,从事农业气象与人工影响天气方面的研究。E-mail:jhw8210@163.com