1982—2015年可可西里NDVI变化特征及其气候响应

doi:10.13866/j.azr.2018.06.18

干旱区研究 ›› 2018, Vol. 35 ›› Issue (6): 1410-1417.doi: 10.13866/j.azr.2018.06.18

1982—2015年可可西里NDVI变化特征及其气候响应

陈登魁¹，马超^1，2，王夏冰¹，刘畅¹

（1，河南理工大学测绘与国土信息工程学院河南焦作 454000；
2，河南理工大学矿山空间信息国家测绘与地理信息局重点实验室河南焦作 454000）

收稿日期:2018-04-17 修回日期:2018-07-05 出版日期:2018-11-15 发布日期:2018-11-08
通讯作者: 马超E-mail: mac@hpu.edu.cn
作者简介:陈登魁（1991-），男，硕士在读，研究方向为生态环境遥感。E-mail:775285250@qq.com
基金资助:
国家自然科学基金委员会与神华集团有限责任公司联合资助项目（ U1261206, U1261106;河南理工大学创新型科研团队(T2018-4)

Variation of NDVI and its response to climate change in Hoh Xil during the period of 1982-2015

CHEN Deng-kui¹, MA Chao^{1, 2}, WANG Xia-bing¹, LIU Chang¹

(1. College of Surveying ＆ Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, Henan Province, China;
2. Key Laboratory of State Bureau of Surveying and Mapping of Mine Spatial Information Technology, School of Surveying and Mapping Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, Henan Province, China)

Received:2018-04-17 Revised:2018-07-05 Online:2018-11-15 Published:2018-11-08

摘要/Abstract

摘要： 利用最新的GIMMS NDVI 3g+数据，辅以MVC、趋势分析、变异系数及偏相关分析等方法，探讨了1982—2015年可可西里世界自然文化遗产保护区NDVI时空分布特征及变化趋势，并对其驱动因素进行分析。研究发现：①由于海拔引起的水热条件的变化，该研究区NDVI由西北向东南逐渐增大；②34 a来研究区NDVI具有明显增长趋势，核心区NDVI增速为0.69%·（10a）^-1，比缓冲区NDVI增速高出0.41%·（10a）^-1；③研究区NDVI改善面积远大于退化面积，总体上呈缓慢上升趋势，其中核心区NDVI呈改善和退化趋势的面积分别占47.92%和3.00%，缓冲区中有65.70%的面积基本不变；④ 34 a间研究区NDVI相对较低波动变化和中等波动变化共占全区的75.54%，主要分布在核心区的中部和南部以及缓冲区大部分区域；⑤相关和偏相关分析结果表明，该研究区NDVI受温度和降水共同影响，与降水相比，温度是影响该研究区NDVI变化的主要因素。

关键词: 可可西里世界自然文化遗产保护区, GIMMS NDVI 3g+, 趋势分析, 偏相关分析

Abstract: (1. College of Surveying ＆ Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, Henan, China;
2. Key Laboratory of State Bureau of Surveying and Mapping of Mine Spatial Information Technology, School of Surveying and Mapping Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, Henan, China)

Key words: Qinghai Province, Hoh Xil World Natural and Cultural Heritage Reserve, GIMMS NDVI3g Plus, trend analysis, partial correlation analysis

陈登魁，马超，王夏冰，刘畅. 1982—2015年可可西里NDVI变化特征及其气候响应[J]. 干旱区研究, 2018, 35(6): 1410-1417.

CHEN Deng-kui, MA Chao, WANG Xia-bing, LIU Chang. Variation of NDVI and its response to climate change in Hoh Xil during the period of 1982-2015[J]. , 2018, 35(6): 1410-1417.

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1982—2015年可可西里NDVI变化特征及其气候响应

Variation of NDVI and its response to climate change in Hoh Xil during the period of 1982-2015

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