青藏公路工程活动对沿线植被覆盖的影响

doi:10.7522/j.issn.1000-0240.2014.0123

冰川冻土 ›› 2014, Vol. 36 ›› Issue (4): 1017-1025.doi: 10.7522/j.issn.1000-0240.2014.0123

• 冻土水文效应及水利工程抗冻技术 • 上一篇下一篇

青藏公路工程活动对沿线植被覆盖的影响

宋怡^1,2, 金龙², 陈建兵²

1. 中国科学院地球环境研究所黄土与第四纪地质国家重点实验室, 陕西西安 710075;
2. 中交第一公路勘察设计研究院有限公司多年冻土区公路建设与养护技术交通行业重点实验室, 陕西西安 710065

收稿日期:2014-03-22 修回日期:2014-06-06 发布日期:2014-08-23
作者简介:宋怡（1982-），女，山东莱阳人，助理研究员，2011年在中国科学院寒区旱区环境与工程研究所获博士学位，现主要从事生态遥感方面的研究.E-mail：songyi@ieecas.cn
基金资助:
中国科学院“西部之光”博士项目（Y229051370）；多年冻土区公路建设与养护技术交通行业重点实验室开放基金资助

Study of the vegetation change due to the reinforcement and rebuilding along the Qinghai-Tibet Highway

SONG Yi^1,2, JIN Long², CHEN Jianbing²

1. State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China;
2. Key Laboratory of Highway Construction & Maintenance Technology in Permafrost Regions of Ministry of Transport, CCCC First Highway Consultants Co., Ltd, Xi'an 710065, China

Received:2014-03-22 Revised:2014-06-06 Published:2014-08-23

摘要/Abstract

摘要： 利用2000-2012年的MODIS 增强植被指数（Enhanced Vegetation Index，EVI）数据，结合研究区3个气象台站长期的气象数据，分析了青藏公路沿线植被变化总体趋势，以及不同整修措施对周边植被覆盖带来的不同影响.通过实地考察，选取了16个受工程活动影响的典型路边样方，3个铁路边样方和8个远离公路铁路的自然样方，对比路边和自然样方，分析植被的自我恢复能力以及4个主要影响因子.结果表明：青藏公路沿线植被覆盖变化是在整个气候变化的背景下，叠加了工程活动的影响.植被的恢复能力与其所在路段的地形、植被覆盖度、气候条件、以及工程活动的强度均有关系，抑制植被生长的因素越多，植被恢复越慢.

关键词: 青藏公路, 植被变化, 植被自我恢复

Abstract: Enhanced vegetation index data of MODIS from 2000 to 2012 were used to analyze the vegetation change along the Qinghai-Tibet Highway. Combined with climate data, the suppression due to reinforcement/rebuilding projects was evaluated. Sixteen quadrates nearby highway, three quadrates nearby railway and eight original quadrates were selected to monitor. Comparing the monitored vegetation growths between quadrates nearby highway/railway and original quadrates, the self-recovery capability and its four impact factors are able to evaluate and analyze. It is found that the influence on vegetation along the Qinghai-Tibet Highway is due to climate change, superimposed with of reinforcement and rebuilding. The self-recovery ability of vegetation depends on terrain, vegetation, climate change and intensity of engineering activity.

Key words: Qinghai-Tibet Highway, vegetation change, vegetation self-recovery

中图分类号:

U416

宋怡, 金龙, 陈建兵. 青藏公路工程活动对沿线植被覆盖的影响[J]. 冰川冻土, 2014, 36(4): 1017-1025.

SONG Yi, JIN Long, CHEN Jianbing. Study of the vegetation change due to the reinforcement and rebuilding along the Qinghai-Tibet Highway[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2014, 36(4): 1017-1025.

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青藏公路工程活动对沿线植被覆盖的影响

Study of the vegetation change due to the reinforcement and rebuilding along the Qinghai-Tibet Highway

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