Knowledge Resource Center for Ecological Environment in Arid Area
| 2000年以来塔里木河中游的河道变迁 | |
| 其他题名 | The Channel Changes of Tarim River in the Latest 2000 Years |
冯起
| |
| 出版年 | 1995 |
| 学位类型 | 博士 |
| 导师 | 朱震达 |
| 中文摘要 | 塔河中游流域区全新世以来以干旱为主的气候特征. 这种气候影响下, 本区域降水量少, 沉积物松散、厚度大, 土壤化作用差, 风沙活动 强烈. 种种因素使塔河中游区河道具有弯曲度大, 分汊率高, 易泛滥、游荡、突变和河网发育不完整等特征. 2000年以来河道变化幅度愈来愈小, 逐渐收缩, 趋于现代塔河. 中游河道的时间变迁规律: 距今2000-1000年间, 塔河主要走北道古代北流的和田河, 在阿拉尔附近折而向东, 汇合克里雅河, 在中游地区沿沙漠边缘继续向东, 即航片上最南端的古河道. 距今1000-600年间和田河北向迁移, 逐渐在中上游地区与塔里木河相汇. 距今600-300年间和田河与塔河合二为一. 300-100年间塔河整体向北偏移, 距今100年左右, 塔河南偏. 近100年来, 塔河又向北迁, 形成现代塔河水系轮廓. |
| 英文摘要 | The time sequence of the channel changes in the middle section has some rules, to some extent between 2000-1000 a,B.P., Tarim river flowed the northern channel, Hotian River flowed northward, diverted eastward in Alaer, coverged with Keliya River, then flowed eastward through the lowland at the edges of desert in the niddle seetion, i.e. the channel located at the southern end. Between 1000-600 a,B.P., Hotian river was recocated northward coverged with Tarim River in the upper and middle sections; Between 600-300 a,B.P., Hotian River and Tarim River overlaped in the upper section a branch named Evgou River was produced in the middle section. Between 300-100 a,B.P., Ergou and Tarim river were combined together, In about 100a,B.P. Tarim river was located in the position of yerqiang-Tarim River. In the latest 1000 years Tarim River gradually moved northward, forming the outline of contempory Tarim River basin. |
| 中文关键词 | 2000年以来 ; 塔里木河中游 ; 河道变迁 |
| 英文关键词 | Latest 2000 years Middle section of Tarim River Channel changes |
| 语种 | 中文 |
| 国家 | 中国 |
| 来源机构 | 中国科学院西北生态环境资源研究院 |
| 资源类型 | 学位论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/286210 |
| 推荐引用方式 GB/T 7714 | 冯起. 2000年以来塔里木河中游的河道变迁[D],1995. |
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