2000-2012年祁连山植被覆盖变化及其与气候因子的相关性

摘要/Abstract

摘要： 研究祁连山地区植被覆盖变化及其与气候因子的响应关系对这一地区土地利用总体特征以及对区域及全球气候和环境变化都将产生深远的意义。利用2000-2012年美国国家航空航天局提供的MODIS NDVI数据并结合相应的气候资料,通过对逐像元信息的提取和分析,运用均值法、斜率分析法、相关分析法,研究了2000-2012年不同季节祁连山植被覆盖的时空变化及其与气候因子的相关性。结果表明:13 a来祁连山植被覆盖整体上呈增加趋势,其中春季植被改善最为明显,秋季次之;植被覆盖变化在不同季节都存在明显的空间差异;不同季节植被与气温、降水的时滞效应不尽相同;祁连山春季大部分地区NDVI与气温呈显著正相关,夏季NDVI与降水呈显著正相关,秋、冬季NDVI与降水、气温的相关性不明显。

关键词: 祁连山, MODIS NDVI, 植被变化, 气候因子, 相关性

Abstract: It is of profound significance for the regional land use characteristics as well as regional and global climate and environment change to research the vegetation coverage change and its response to the climatic factors in Qilian Mountains. Based on the NASA data of MODIS NDVI and climatic data from 2000 to 2012,this paper studied the spatio-temporal variation of vegetation coverage changes and its correlation with climatic factors in Qilian Mountains by using the Average Method,Trend Line Analysis Method and Correlation Analysis Method. Results show that:the vegetation coverage showed increase trend as a whole in recent 13 years,and the trend significantly increased in spring,followed by that in autumn;the vegetation coverage changes have obvious spatial differences in different seasons,and the increased area of vegetation in summer is the largest with an area of 91669 km²,accounting for 48.7% of the total area;there is an obvious spatial differences of the time lag effect between vegetation change and temperature,vegetation and precipitation in different seasons;the correlation coefficient between NDVI and temperature in spring is the highest with the correlation coefficient being 0.721;the correlation coefficients between NDVI in summer and its previous and the current cumulative precipitation are the highest,indicating that the NDVI in summer and the precipitation in spring has a certain lag correlation;the correlation between NDVI and precipitation,NDVI and temperature in autumn and winter is not obvious;In spring,the correlation between temperature and NDVI in Daban Mountain,the valley of Datong River and Huangshui River is significant;In summer,the correlation between NDVI and precipitation is the highest and significant in most of the western region;the correlation between NDVI and temperature,precipitation in autumn is relatively low;NDVI in winter has low relativity with temperature and has a significant negative correlation with precipitation.

Key words: Qilian Mountains, MODIS NDVI, vegetation change, climatic factors, correlation coefficient

中图分类号:

TP79

武正丽, 贾文雄, 赵珍, 张禹舜, 刘亚荣, 陈京华. 2000-2012年祁连山植被覆盖变化及其与气候因子的相关性[J]. 干旱区地理, 2015, 38(6): 1241-1252.

WU Zheng-li, JIA Wen-xiong, ZHAO Zhen, ZHANG Yu-shun, LIU Ya-rong, CHEN Jing-hua. Spatial-temporal variations of vegetation and its correlation with climatic factors in Qilian Mountains from 2000 to 2012[J]. , 2015, 38(6): 1241-1252.

参考文献

[1] 陈效逑,王恒. 1982-2003年内蒙古植被带和植被覆盖度的时空变化[J].地理学报, 2009, 64(1):84-94.[CHEN Xiaoqiu, WANG Heng. Spatial and temporal variations of vegetation belts and vegetation cover degrees in Inner Mongolia from 1982 to 2003[J]. Acta Geographica Sinica, 2009, 64(1):84-94.]

[2] 孙红雨,王长耀,牛铮,等.中国地表植被覆盖变化与气候因子关系-基于NOAA时间序列数据分析[J].遥感学报, 1998, 2(3):204-210.[SUN Hongyu, WANG Changyao, NIU Zhen, et al. Analysis of the vegetation cover change and the relationship between NDVI and environmental factors by using NOAA time series data[J]. Journal of Remote Sensing, 1998, 2(3):204-210.]

[3] 马明国,王建,王雪梅.基于遥感的植被年际变化及其与气候关系研究进展[J].遥感学报, 2006, 10(3):421-431.[MA Mingguo, WANG Jian, WANG Xuemei. Advance in the Inter-annual variability of vegetation and its relation to climate based on remote sensing[J]. Journal of Remote Sensing, 2006, 10(3):421-431.]

[4] 崔林丽,史军,杨引明,等.中国东部NDVI的变化趋势及其与气候因子的相关分析[J].资源科学, 2010, 32(1):124-131.[CUI Linli, SHI Jun, YANG Yinming, et al. Variation trends in vegetation NDVI and its correlation with climatic factors in eastern China[J]. Resources Sinces, 2010, 32(1):124-131.]

[5] 李春晖,杨志峰.黄河流域NDVI时空变化及其与降水/径流关系[J].地理研究, 2004, 23(6):753-759.[LI Chunhui, YANG Zhifeng. Spatiotemporal Changes of NDVI and their relations with precipitation and runoff in the Yellow River Basin[J]. Geographical Research, 2004, 23(6):753-759.]

[6] 孙艳玲,延晓冬,谢德体.基于因子分析方法的中国植被NDVI与气候关系研究[J].山地学报, 2007, 25(1):54-63.[SUN Yanling, YAN Xiaodong, XIE Deti. Study on the relationship between vegetation and climate in China using factor analysis[J]. Journal of Moutain Science, 2007, 25(1):54-63.]

[7] 香宝,刘纪远.东亚土地覆盖动态与季风气候年际变化的关系[J].地理学报, 2002, 57(1):39-46.[XIANG Bao, LIU Jiyuan. Relationship of east Asian land cover dynamics and interannal changes of monsoon climate[J]. Acta Geographica Sinica, 2002, 57(1):39-46.]

[8] 李秀花,师庆东,郭娟,等.中国西北干旱区1981-2001年NDVI对气候变化的响应分析[J].干旱区资源与环境, 2009, 23(2):12-16.[LI Xiuhua, SHI Qingdong, GUO Juan, et al. The response of NDVI to climate variability in northwest arid area of China from 1981 to 2001[J]. Journal of Arid Land Resources and Environment, 2009, 23(2):12-16.]

[9] 贾艳红,赵传燕,南忠仁.西北干旱区黑河下游植被覆盖变化研究综述[J].地理科学进展, 2007, 26(4):64-74.[JIAYanhong, ZHAO Chuanyan, NAN Zhongren. Review of study on vegetation cover change in the lower reaches of Heihe River in northwest arid area[J]. Progress in Geography, 2007, 26(4):64-74.]

[10] 王连喜,杨有林,何雨红,等.气候变化和植被关系研究方法探讨[J].生态学杂志, 2003, 22(1):43-48.[WANG Lianxi, YANG Youlin, HE Yuhong, et al. Discussion of research methods on relationship between climate change and plant[J]. Chinese Journal of Ecology, 2003, 22(1):43-48.]

[11] 杨嘉,郭妮,贾建华.西北地区MODIS/NDVI与MODIS/EVI对比分析[J].干旱气象, 2007, 25(1):38-43.[YANG Jia, GUO Ni, JIA Jianhua. Comparison between MODIS/NDVI and MODIS/EVI in northwest China[J]. Arid Meteorology, 2007, 25(1):38-43.]

[12] 付新峰,杨胜天,刘昌明.雅鲁藏布江流域NDVI变化与主要气候因子的关系[J].地理研究, 2007, 26(1):60-66.[FU Xinfeng, YANG Shengtian, LIU Changming. Changes of NDVI and their relations with principal climatic factors in the Yarlung Zangbo River Basin[J]. Geographical Research, 2007, 26(1):60-66.]

[13] 赵茂盛,符淙斌,延晓冬,等.应用遥感数据研究中国植被生态系统与气候的关系[J].地理学报, 2001, 56(3):287-296.[ZHAO Maosheng, FU Congbin, YAN Xiaodong, et al. Study on the relation ship between different ecosystem sand climate in China using NOAA/AVHRR data[J]. Acta Geographica Sinica, 2001, 56(3):287-296.]

[14] 罗玲,王宗明,宋开山,等. 1982-2003年中国东北地区不同类型植被NDVI与气候因子的关系研究[J].西北植物学报, 2009, 29(4):800-808.[LUO Ling, WANG Zongming, SONG Kaishan, et al. Research on the correlation between NDVI and climatic factors of different vegetations in the northeast China[J]. Acta Bot Boreal Occident Sin, 2009, 29(4):800-808.]

[15] 朴世龙,方精云. 1982-1999年我国陆地植被活动对气候变化响应的季节差异[J].地理学报, 2003, 58(1):119-125.[PIAO Shilong, FANG Jingyun. Seasonal change in vegetation activity in response to climate changes in China from 1982 to 1999[J]. Acta Geographica Sinica, 2003, 58(1):119-125.]

[16] 方精云,朴世龙,贺金生,等.近20年来中国植被活动在增强[J].中国科学(C缉), 2003, 33(6):554-565.[FANG Jingyun, PIAO Shilong, HE Jingsheng, et al. The trend of vegetation coverage in China is increasing in recent 20 years[J]. Science in China(Series C), 2003, 33(6):554-565.]

[17] 马明国,董立新,王雪梅.过去21年中国西北植被覆盖动态监测与模拟研究[J].冰川冻土, 2003, 25(2):232-236.[MAMingguo, DONG Lixin, WANG Xuemei. Study on the dynamically monitoring and simulating the vegetation cover in northeast China in the past 21 years[J]. Journal of Glaciology and Geocryology, 2003, 25(2):232-236.]

[18] 宋怡,马明国.基于SPOT VEGETATION数据的中国西北植被覆盖变化分析[J].中国沙漠, 2007, 27(1):89-93.[SONG Yi, MA Mingguo. Study on vegetation cover change in northwest China based on SPOT VEGETATION data[J]. Journal of Desert Research, 2007, 27(1):89-93.]

[19] 郭妮,朱燕君,王介民,等.近22年来西北不同类型植被NDVI变化与气候因子的关系[J].植物生态学报, 2008, 32(2):319-327.[GUO Ni, ZHU Yanjun, WANG Jiemin, et al. The relationship between NDVI and climate elements for 22 years in different vegetation areas of northwest China[J]. Journal of Plant Ecology, 2008, 32(2)319-327.]

[20] 李震,阎福礼,范湘涛.中国西北地区NDVI变化及其与温度和降水的关系[J].遥感学报, 2005, 9(3):308-313.[LI Zhen, YAN Fuli, FAN Xiangtao. The variability of NDVI over northwest China and its relation to temperature and precipitation[J]. Journal of Remote Sensing, 2005, 9(3):308-313.]

[21] 徐剑波,宋立生,赵之重,等.近15 a来黄河源地区玛多县草地植被退化的遥感动态监测[J].干旱区地理, 2012, 35(4):615-622.[XU Jianbo, SONG Lisheng, ZHAO Zhizhong, et al. Monitoring grassland degradation dynamically at Maduo County in source region of Yellow River in past 15 years based on remote sensing[J]. Arid Land Geography, 2012, 35(4):615-622.]

[22] 徐浩杰,杨太保.近13 a来黄河源区高寒草地物候的时空变异性[J].干旱区地理, 2013, 36(3):467-474.[XU Haojie, YANG Taibao. Spatial-temporal pattern variations of alpine grassland phenology in source region of the Yellow River from 2000 to 2012[J]. Arid Land Geography, 2013, 36(3):467-474.]

[23] 王敏,周才平,吴良,等.近10 a青藏高原干湿状况及其与植被变化的关系研究[J].干旱区地理, 2013, 36(1):49-56.[WANG Min, ZHOU Caiping, WU Liang, et al. Wet-drought pattern and its relationship with vegetation change in the Qinghai-Tibetan Plateau during 2001-2010[J]. Arid Land Geography, 2013, 36(1):49-56.]

[24] 闫俊杰,乔木,周宏飞,等.基于MODIS/NDVI的新疆伊犁河谷植被变化[J].干旱区地理, 2013, 36(3):512-519.[YAN Junjie, QIAO Mu, ZHOU Hongfei, et al. Vegetation dynamics in Ili River valley of Xinjiang based on MODIS/NDVI[J]. Arid Land Geography, 2013, 36(3):512-519.]

[25] 程瑛,徐殿祥,郭妮.近20年来祁连山区植被变化特征分析[J].干旱区研究, 2008, 25(6):72-78.[CHENG Yin, XU Dianxiang, GUO Ni. Analysis on the vegetation change in Qilian Mountains since recent 22 years[J]. Arid Zone Research, 2008, 25(6):72-78.]

[26] 戴声佩,张勃,王海军,等. 1999-2007年祁连山区植被指数时空变化[J].干旱区研究, 2010, 27(4):585-591.[DAI Shengpei, ZHANG Bo, WANG Haijun, et al. Spatiotemporal variation of vegetation NDVI in the Qilian Mountains during the period from 1999 to 2007[J]. Arid Zone Research, 2010, 27(4):585-591.]

[27] 戴声佩,张勃,王强,等.祁连山草地植被NDVI变化及其对气温降水的旬响应特征[J].资源科学, 2010, 32(9):1769-1776.[DAI Shengpei, ZHANG Bo, WANG Qiang, et al. Variation in grassland vegetation NDVI and its ten-day response to temperature and precipitation in the Qilian Mountains[J]. Resources Science, 2010, 32(9):1769-1776.]

[28] 刘晶,刘学录,侯莉敏.祁连山东段山地景观格局变化及其生态脆弱性分析[J].干旱区地理, 2012, 35(5):795-805.[LIU Jing, LIU Xuelu, HOU Limin.Changes and ecological vulnerability of landscape pattern in eastern Qilian Mountain[J]. Arid Land Geography, 2012, 35(5):795-805.]

[29] 贺映娜,白红英,高翔,等.基于NDVI的米仓山植被覆盖变化趋势分析[J].西北植物学报, 2011, 31(8):1677-1682.[HE Yingna, BAI Hongying, GAO Xiang, et al. Analysis on the variation tendency of vegetation cover of Micang Mountains[J]. Acta Bot Boreal Occident Sin, 2011, 31(8):1677-1682.]

[30] 戴声佩,张勃,王海军.中国西北地区植被NDVI的时空变化及其影响因子分析[J].地球信息科学学报, 2010, 12(3):315-321.[DAI Shengpei, ZHANG Bo, WANG Haijun. Spatio-temporal change of vegetation index NDVI in northwest China and its influencing factors[J]. Journal of Geo-information Science, 2010, 12(3):315-321.]

[31] 王强,张勃,戴声佩,等.三北防护林工程区植被覆盖变化与影响因子分析[J].中国环境科学, 2012, 32(7):1302-1308.[WANG Qiang, ZHANG Bo, DAI Shengpei, et al. Analysis of the vegetation cover chang and its relationship with factors in the Three-North Shelter Forest Program[J]. China Environmental Science, 2012, 32(7):1302-1308.]

[32] 索玉霞,王正兴,刘闯,等.中亚地区1982-2002年植被指数与气温和降水的相关性分析[J].资源科学, 2009, 31(8):1422-1429.[SUO Yuxia, WANG Zhengxin, LIU Chuang, et al. Relationship between NDVI and precipitation and temperature in middle Asian during 1982-2002[J]. Resources Science, 2009, 31(8):1422-1429.]

[33] 范锦龙,张晓煜.宁夏近18年植被动态变化遥感时序分析[J].干旱区研究, 2009, 26(1):53-58.[FAN Jinlong, ZHANG Xiaoyu. RS-based analysis on the temporal changes in vegetation in the Ningxia Hui autonomous Region in the last 18 years[J]. Arid Zone Research, 2009, 26(1):53-58.]

[34] 路俊伟,王乃昂,候迎,等.石羊河上游地区树轮年表与NDVI关系分析[J].干旱区研究, 2012, 29(4):667-673.[LU Junwei, WANG Naiang, HOU Ying, et al. Analysis on the correlation between NDVI and tree-ring width chronologies in the upper reaches of the Shiyang River[J]. Arid Zone Research, 2012, 29(4):667-673.]

[35] 王强.三北防护林工程区植被覆盖变化特征及其对气候变化的响应研究[D].兰州:西北师范大学, 2012.[WANG Qiang. Study on Dynamic Change of Vegetation Coverage and Response to Climate Change in the Three-North Shelter Forest Program[D]. Lanzhou:Northwest Normal University, 2012.]

[36] 王宗明,国志兴,宋开山,等.中国东北地区植被NDVI对气候变化的响应[J].生态学杂志, 2009, 28(1):1041-1048.[WANG Zongming, GUO Zhixing, SONG Kaishan, et al. Responses of vegetation NDVI in northwest China to climate change[J]. Chinese Journal of Ecology, 2009, 28(1):1041-1048.]

[37] 刘文彬,蔡体久,琚存勇,等. 1981-2003年黑龙江省植被变化及其对气候的响应[J].林业科学, 2010, 46(6):154-160.[LIU Wenbin, CAI Tijiu, JU Cunyong, et al. Vegetation change and the relationship with climate factors in Heilongjiang Province from 1981 to 2003[J]. Scientia Silvan Sinicae, 2010, 46(6):154-160.]