[1]陈言,刘翔,王薇,等. 基于长时间序列影像的关中地区植被时空变化分析[J].西北林学院学报,2014,29(02):54-60.[doi:doi:10.3969/j.issn.1001-7461.2014.02.10]
 CHEN Yan,LIU Xiang,WANG Wei,et al. Spatio-temporal Variation of Vegetation in Guanzhong Region Using Long-time Serial Images[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2014,29(02):54-60.[doi:doi:10.3969/j.issn.1001-7461.2014.02.10]
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 基于长时间序列影像的关中地区植被时空变化分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第29卷
期数:
2014年02期
页码:
54-60
栏目:
出版日期:
2014-03-30

文章信息/Info

Title:
 Spatio-temporal Variation of Vegetation in Guanzhong Region Using Long-time Serial Images
文章编号:
1001-7461(2014)-02-0054-07
作者:
 陈言刘翔王薇李亚军范伟 边敏娟
 (核工业二〇三研究所,陕西咸阳712000)
Author(s):
 CHEN Yan LIU Xiang WANG Wei LI Ya-jun FAN Wei BIAN Min-juan
 (No.203 Research Institute of Nuclear Industry,Xianyang, Shaanxi 712000, China)
关键词:
 SPOT-VGT NDVI植被变化关中地区
Keywords:
 SPOT-VGT NDVIvegetation change Guanzhong region
分类号:
S718.5
DOI:
doi:10.3969/j.issn.1001-7461.2014.02.10
文献标志码:
A
摘要:
 利用1998—2010年SPOT-VGT NDVI影像对关中地区植被的时空变化进行分析。结果表明:关中地区13 a NDVI(归一化植被指数)月平均值为0.508,月均NDVI值在0.308~0.684变动,受6月作物收获影响,NDVI出现了5月和8月2个峰值;关中地区植被总体呈改善趋势,人类活动集中的城区、县城和部分生态脆弱区(大荔沙苑和洽川湿地)植被出现了严重的退化;降水和气温是影响NDVI变化的重要因子,同时经济建设生产活动对NDVI也有重要的影响。
Abstract:
 In this paper, SPOT-VGT NDVI images from 1998 to 2010 were used to estimate the spatial-temporal variation of vegetation in Guanzhong region. The results showed that the monthly average of NDVI was 0.508 and changed from 0. 308 to 0. 684 during recent 13 years. Affected by the summer harvest in June, there were two peak values of NDVI in May and August, respectively. The total vegetation coverage within Guanzhong region presented an increasing trend obviously, while serious vegetation degradations were observed in urban areas and ecological sensitive areas, such as Sayuan in Dali and Qiachuan wetland. Temperature and precipitation were the important climate factors affecting the variation of vegetation, and the value of NDVI was also under a great influence of the economic construction and producing activities.

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备注/Memo

备注/Memo:
 收稿日期:2013-08-13 修回日期:2013-10-29
作者简介:陈言,女,工程师,硕士研究生,研究方向:环境影响评价、生态环境。E-mail:chenyanlw@126.com
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