青藏铁路格拉段风动力环境及其对铁路沙害的影响

蔡迪文; 张克存; 安志山; 郭紫晨

doi:10.7522/j.issn.1000-694X.2015.00272

中国沙漠 >

2017 , Vol. 37 >Issue 1: 40 - 47

DOI: https://doi.org/10.7522/j.issn.1000-694X.2015.00272

沙漠与沙漠化

青藏铁路格拉段风动力环境及其对铁路沙害的影响

蔡迪文 ,
张克存 ,
安志山 ,
郭紫晨

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1. 中国科学院西北生态环境资源研究院敦煌戈壁荒漠生态与环境研究站/沙漠与沙漠化重点实验室, 甘肃兰州 730000;
2. 中国科学院大学, 北京 100049

蔡迪文(1991-),男,陕西安康人,硕士研究生,主要从事风沙工程与风沙灾害防治研究。E-mail:dwcai@lzb.ac.cn

收稿日期: 2015-01-06

修回日期: 2015-11-30

网络出版日期: 2017-01-20

基金资助

国家重点基础研究发展计划项目（2012CB026105）；国家自然科学基金项目（41371027）

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Wind Energy Environments and Its Impacts on Railway Sand Hazards along Gerlha Section of the Qinghai-Tibet Railway

Cai Diwen ,
Zhang Kecun ,
An Zhishan ,
Guo Zichen

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1. Dunhuang Gobi and Desert Ecology and Environment Research Station/Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2015-01-06

Revised date: 2015-11-30

Online published: 2017-01-20

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摘要

以青藏铁路格拉段沿线主要气象站点1955—2014年的气象数据及部分野外观测数据为基础，从风向、大风沙尘暴日数、输沙势和年均风速变化等方面阐述了青藏铁路格拉段风动力环境特征，并揭示了其对铁路沙害的影响。格拉段铁路沿线风向单一、风能环境较高、铁路沙害可能进一步发展。本研究在青藏铁路沙害监测和防沙体系完善方面具有指导意义，同时也为其他沙区公路、铁路防沙设计提供借鉴。

关键词： 青藏铁路; 沙害; 风动力环境

本文引用格式

蔡迪文 , 张克存 , 安志山 , 郭紫晨 . 青藏铁路格拉段风动力环境及其对铁路沙害的影响[J]. 中国沙漠, 2017 , 37(1) : 40 -47 . DOI: 10.7522/j.issn.1000-694X.2015.00272

Abstract

Based on the meteorological station statistical data from 1955 to 2014 and field observation data along Gerlha section of the Qinghai-Tibet Railway, this paper studied the characteristics of wind energy environments in terms of wind direction, gale days and sand-dust storm days, sand drift potential and decadal variations of annual mean wind speed, and demonstrated their impacts to railway sand hazards. Mono wind direction, relatively high wind energy environments and the sand hazards going worse were our conclusion. This research has important meaning in monitoring the sand hazards developing trends and improving sand control system along Qinghai-Tibet Railway. It also can be a good reference for the design of other highway and railway sand control system which pass sandy regions as well.

Key words： Qinghai-Tibet Railway; sand hazards; wind energy environments

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