Knowledge Resource Center for Ecological Environment in Arid Area
| 榆林地区明代洪涝灾害特征分析 | |
| 其他题名 | The Characteristic Analysis on the Flood Disaster of Yulin Area in the Ming Dynasty |
| 邵天杰; 赵景波 | |
| ISSN | 1003-7578 |
| 出版年 | 2009 |
| 卷号 | 23期号:1页码:93-97 |
| 中文摘要 | 通过对历史资料的整理分析,对明代榆林地区洪涝灾害发生的频率、等级序列、年际变化、季节变化、成灾程度、成灾原因进行了仔细的研究.结果表明:榆林地区这一时期共发生洪涝灾害118次,平均每2.34年发生一次,从明代早期到晚期该地区洪涝灾害发生频率有明显增加的趋势.该地区洪涝灾害以第二级(中度涝灾)为主,共发生70次,占洪涝灾害总数的59.32%;第一级(轻度涝灾)共发生43次,占洪涝灾害总数的36.44%;第三级(大涝灾)发生5次,占洪涝灾害总数的4.24%;而第四级(特大涝灾)没有发生过一次.榆林地区地处陕西降水量最少的干旱区,该区明代洪涝灾害的突出特点是规模较小,局部灾害多,且多为暴雨洪灾.大涝灾和特大涝灾很少是该区洪涝灾害的突出特点.明代榆林地区的洪涝灾害具有明显的季节差异,多集中在夏秋季的7、8、9三个月中.此外,榆林地区地处毛乌素沙漠东南缘与陕北黄土高原北缘的交接地带,区域内多是梁峁起伏、沟壑纵横、风沙滩地地貌,地表植被稀少,水土流失严重,所以同样的降雨量在该地区较易造成局部洪涝灾害的发生. |
| 英文摘要 | On the basis of arranging and analyzing the history materials, the frequency, rank series, year change, seasonal change, cause disaster degree and causes of the flood disaster of the Ming Dynasty in Yulin area were discussed. The results showed that Yulin area had suffered totally 118 flood disasters in this period, once every 2.34 years on average. The frequency showed obvious increase tendency from early time to the later time of the Ming Dynasty. According to the rank series of flood disaster, the second grade of the flood disasters was 70 times and accounted for 59.32% of all ; the first grade of the flood disasters was 43 times and shared 36.44% ;the third grade of flood disasters was 5 times and accounted for 4.24% ; but the fourth grade has not occurred.The flood disasters in the Ming Dynasty Yulin area showed obvious seasonal difference, concentrated in the July,August and September. In addition, the Yulin area is located at the southeast of Mao Wusu desert and connected to the hilly-gully region of Loess where the surface vegetation was scarce, soil erosion was serious,’therefore thesmall rainfall was easier to bring about a flood and water logging disaster in the Yulin area. |
| 中文关键词 | 榆林地区 ; 明代 ; 洪涝灾害 ; 特征分析 |
| 英文关键词 | Yulin area Ming Dynasty flood disaster characteristic analysis |
| 语种 | 中文 |
| 国家 | 中国 |
| 收录类别 | CSCD |
| WOS类目 | GEOSCIENCES MULTIDISCIPLINARY |
| WOS研究方向 | Geology |
| CSCD记录号 | CSCD:3560210 |
| 来源机构 | 陕西师范大学 |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/223651 |
| 作者单位 | 陕西师范大学旅游与环境学院, 西安, 陕西 710062, 中国 |
| 推荐引用方式 GB/T 7714 | 邵天杰,赵景波. 榆林地区明代洪涝灾害特征分析[J]. 陕西师范大学,2009,23(1):93-97. |
| APA | 邵天杰,&赵景波.(2009).榆林地区明代洪涝灾害特征分析.,23(1),93-97. |
| MLA | 邵天杰,et al."榆林地区明代洪涝灾害特征分析".23.1(2009):93-97. |
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