YNAO OpenIR  > 选址与日冕观测组
川西无名山天文址点GIS分析研究
Alternative TitleAstronomical Site Survey for Mountain Wumingshan Area in Western Sichuan Based on GIS
吴宁1; 刘煜2; 赵红梅3
Source Publication天文学报(Acta Astronomica Sinica)
2016-11
Volume57Issue:6Pages:729-745
DOI10.15940/j.cnki.0001-5245.2016.06.009
ClassificationP112
Contribution Rank第1完成单位
Indexed ByCSCD ; 核心
Keyword址点检测 技术:图像处理 方法:数据分析 方法:统计
Abstract

随着西部天文选址工作在川西无名山地区的逐步深入,利用地理信息科学(Geographic Information System,GIS)手段收集了大量长期数据,对无名山及周边地区的地理、地质、气候、气象、社会与人口发展趋势等方面开展了详细的调查研究.资料分析结果显示:无名山地处青藏高原向东延伸的褶皱地带—典型的横断山脉地区,形成地势整体落差大、山脊走势平缓、地质结构稳定的特色.无名山区域最高点海拔高度超过5000 m,但附近存在海拔仅2000–3000 m的人口定居点多处,可实现低成本后勤保障;鲜有地震泥石流等不良地质灾害记录;大气干燥、植被稀少、地表半干旱状态;常年盛行西南风,冬季气候寒冷、降雨量稀少,夏季受南部印度洋暖湿气流影响存在明显的雨季;属大香格里拉核心地带,大气洁净度高,无沙尘暴等恶劣天气记录;年均云量少于5成,风向稳定、风速小,可利用晴日/夜数多;人口稀少、经济发展缓慢、社会和谐稳定、远离川滇藏经济相对发达地区;近年来随着本地区旅游资源开发,交通条件得到明显改善,具备高质量公路维护与日常航空运输能力,鲜有其他高原地区常见的大雪封山、航空停运等运输不畅情形发生.因此,GIS综合分析结果表明:无名山地区满足建设高海拔天文观测站的一系列基本保障条件,是我国西部难得的光学/红外天文址点资源. 更多

Other Abstract

In the Western-China Astronomical Site Survey project, we utilize the Geographic Information System (GIS) for the collection of long-term data, in order to investigate and study the Wumingshan (WMS) mountain and its surrounding areas for their geography, geology, climate, meteorology, social and demographic trends. Data analysis results show that the WMS mountain is located in the eastern fold belt of the Tibet Plateau--the typical region of the Hengduan Mountains, which leads to its large elevation, gently trended ridge, and stable geological structure. The highest altitude above the sea level at the WMS is more than 5000 m, but there are population settlements nearby with the low altitude of only 2000-3000 m, which are important for realizing low-level cost logistics conditions for the future headquarter or logistic base. Earthquake landslides and other geological disasters were rarely recorded. The other facts are such as the dry and clean atmosphere, the sparse vegetation, the semi- dry-state land, the perennial prevailing southwest wind, the rain-less winter, and the relatively short rainy-season summer, the location in the heartland of the large Shangri- La, no records of dust storms and the other inclement weather, low cloud coverage, the stability of wind direction, the small wind speed, the high possibility of clear sky, the far distance away from the developed areas in Sichuan and Yunnan provinces, and Tibet Autonomous Region, the sparsely populated people, the slowly developed economy, the peaceful and stable social environment, etc. Specially, in recent years, with the development of the local tourist resources, the traffic conditions in Daocheng have been significantly improved. With high quality highway maintenance and daily air transport capacity, the transportation of land and aviation is rarely interrupted due to snowing, which often happens in high plateau regions. Therefore, the WMS area possesses the potential conditions to establish the future high altitude observatory, and it is really a very rare astronomical site resource.

Funding Project国家自然科学基金项目[11078004,11533009] ; 中国科学院天文台站设备更新及重大仪器设备运行专项(天文财政专项)稻城选址定点监测项目
Funding Organization国家自然科学基金项目[11078004,11533009] ; 中国科学院天文台站设备更新及重大仪器设备运行专项(天文财政专项)稻城选址定点监测项目
Language中文
Subject Area地球科学 ; 地理学
MOST Discipline Catalogue理学 ; 理学::地理学
ISSN0001-5245
CSCD IDCSCD:5872523
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9838
Collection选址与日冕观测组
Affiliation1.云南师范大学旅游与地理科学学院,昆明,650500
2.中国科学院云南天文台,昆明,650011
3.3四川省稻城县气象局,甘孜州,627750
Recommended Citation
GB/T 7714
吴宁,刘煜,赵红梅. 川西无名山天文址点GIS分析研究[J]. 天文学报(Acta Astronomica Sinica),2016,57(6):729-745.
APA 吴宁,刘煜,&赵红梅.(2016).川西无名山天文址点GIS分析研究.天文学报(Acta Astronomica Sinica),57(6),729-745.
MLA 吴宁,et al."川西无名山天文址点GIS分析研究".天文学报(Acta Astronomica Sinica) 57.6(2016):729-745.
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