生态与环境

天山北坡植被NDVI时空变化及其与气候因子的关系

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  • 新疆师范大学地理科学与旅游学院,新疆 乌鲁木齐 830054
尼加提·伊米尔(1989-),男,硕士研究生,主要从事干旱区绿洲农业研究.E-mail: mrnijad@126.com

收稿日期: 2018-12-07

  修回日期: 2019-05-29

  网络出版日期: 2019-09-11

基金资助

国家自然科学基金项目(41661100)资助

Spatiotemporal Variation of Vegetation NDVI and Its Relationship with Climatic Factors on the Northern Slope of the Tianshan Mountains

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  • College of Geographical Science and Tourism, Xinjiang Normal University, Urumqi 830054, Xinjiang,China

Received date: 2018-12-07

  Revised date: 2019-05-29

  Online published: 2019-09-11

摘要

利用MODIS NDVI 数据产品并结合相应的气候数据,运用一元回归趋势分析法,相关分析法,探讨2000—2015年天山北坡年平均、月平均NDVI时空变化与气候因子的相关关系。结果表明:① 近16 a来,天山北坡年平均NDVI值在 0.27~0.31之间波动上升,总体上呈明显增加的趋势;月平均NDVI值每年4月开始植被覆盖迅速增加,到7月达到最大值,然后8月开始降低,月平均 NDVI值的变化呈现出单峰趋势。天山北坡不同季节植被指数都呈现上升的趋势。空间上天山北坡植被覆盖呈现出西部高东部低,南部高北部低的分布特征。生长季植被NDVI值和年平均植被NDVI值的变化存在明显的空间差异,表现为中部植被覆盖增加,东北部,西部,南部的植被覆盖减少。② 天山北坡年平均气温和平均降水量逐步上升,变化趋势表现为上升—下降—上升的趋势。空间上天山北坡南部山地地区气温低,降水量多;北部平原区气温高,但降水量少。③ 植被NDVI值对气温和降水量存在一定的相关关系。气温与降水量对植被的生长均有影响,其中春季的植被NDVI值与气温的关系密切,夏季的植被NDVI值与降水量有密切的关系,综合分析,降水量对植被覆盖的影响大于气温对植被覆盖的影响。 = 4 \* GB3 生长季(5—9月)植被NDVI值与气温和降水量存在一定的滞后性。

本文引用格式

尼加提·伊米尔, 满苏尔·沙比提, 玉苏甫·买买提 .

天山北坡植被NDVI时空变化及其与气候因子的关系[J]. 干旱区研究, 2019 , 36(5) : 1250 -1260 . DOI: 10.13866/j.azr.2019.05.23

Abstract

In this paper, the monadic regressive analysis was employed to investigate the annual and monthly as well as spatial variations of vegetation NDVI on the northern slope of the Tianshan Mountains from 2000 to 2015 based on the MODIS NDVI data and the corresponding climate data. The results are as follows:   In recent 16 years, the average annual NDVI on the northern slope of the Tianshan Mountains fluctuated between 0.27 and 0.31 and in a significant increase trend. The average monthly NDVI value began to increase rapidly in April, reached its maximum in July, and then began to decrease in August. The curve of average monthly NDVI was unimodal. The increase of vegetation index on the northern slope of the Tianshan Mountains was different from different seasons. Spatially, the vegetation coverage was high in the west and south but low in the east and north. There was a significant spatial difference of average annual vegetation NDVI and NDVI in growing season, and the vegetation coverage was increased in the central area but decreased in the northeast, west and south;   The average temperature and precipitation on the northern slope of the Tianshan Mountains in the past years were gradually increased and in an increase-decrease-increase fluctuation trend. Spatially, the temperature was low but the precipitation was high in the southern mountainous region, the situation in the northern plain, however, was opposite;   There was a certain correlation between the vegetation NDVI and the temperature and precipitation, especially in growing season. The vegetation NDVI in spring was more closely related to the temperature, but in summer was more closely related to the precipitation. Comprehensively, and the effect of precipitation on the vegetation coverage was higher than that of temperature;    There was a hysteresis of vegetation NDVI than the temperature and precipitation in growing season from May to September.

参考文献

[1]Gutman G,Ignatov A.The derivation of the green vegetation fraction from NOAA/AVHRR data for use in numerical weather prediction models[J].International Journal of Remote Sensing,1998,19(8):1 533-1 543. [2]Pettorelli N,Vik J O,Mysterud A,et al.Using the satellitederived NDVI to assess ecological responses to environmental change[J].Trends in Ecology & Evolution,2005,20(9):503-510. [3]李学渊.基于RS/GIS的矿山地质环境动态监测与评价信息系统[D].北京:中国矿业大学,2015.[Li Xueyuan.Information System of Mining Geological Environment Dynamic Monitoring and Evaluation Based on RS and GIS[D].Beijing:China University of Mining and Technology,2015.] [4]Lanfredi M,Simoniello T,Macchiato M.Comment on “Variations in northern vegetation activity inferred from satellite data of vegetation index during 1981 to 1999”[J].Journal of Geophysical Research Atmospheres,2003,108(D12).DOI:10.1029/2000JD000115. [5]马守存,保广裕,郭广,等.1982—2013年黄河源区植被变化趋势及其对气候变化的响应[J].干旱气象,2018,36(2):226-233.[Ma Shoucun,Bao Guangyu,Guo Guang,et al.Change trend of vegetation and its responses to climate change in the source region of the Yellow River[J].Journal of Arid Meteorology,2018,36(2):226-233.] [6]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.] [7]郭铌,王小平,蔡迪花,等.近 20 多年来西北绿洲植被指数的变化及其成因[J].干旱区研究,2010,27(1):75-82.[Guo Ni,Wang Xiaoping,Cai Dihua,et al.Analyses on the vegetation indexd variation and its formation causes in the oases in Northwest China in recent 22 years[J].Arid Zone Research,2010,27(1):75-82.] [8]李佳秀,陈亚宁,刘志辉.新疆不同气候区的气温和降水变化及其对地表水资源的影响[J].中国科学院大学学报,2018,35(3):370-381.[Li Jiaxiu,Chen Yaning,Liu Zhihui.Variation in the temperature and precipitation and their influences on surface water resource in different climate zones of Xinjiang[J].Journal of University of Chinese Academy of Sciences,2018,35(3):370-381.] [9]杨静雅,李新国,闫凯,等.基于NDVI的新疆和静县草地植被覆盖动态变化及其与气温降水的关系[J].生态科学,2018,37(6):38-44.[Yang Jingya,Li Xinguo,Yan kai,et al.Grassland vegetation dynamics and the relationship between thetemperature and precipitation in Hejing County,Xinjiang,based on NDVI[J].Ecological Science,2018,37(6):38-44.] [10]Barbosa H A,Huete A R,Baethgen W E.A 20-year study of NDVI variability overthe Northeast Region of Brazil[J].Journal of Arid Environments,2006,67(2):288-307. [11]Wu D,Zhao X,Liang S,et al.Timelag effects of global vegetation responses to climate change[J].Global Change Biology,2015,21(9):3 520-3 531. [12]Bokhorst S,T Φmmervik H,Callaghan T V,et al.Vegetation recovery following extreme winter warming events in the subArctic estimated using NDVI from remote sensing and handheld passive proximal sensors[J].Environmental and Experimental Botany,2012,81:18-25. [13]Piao S,Tan J,Chen A,et al.Leaf onset in the northern hemisphere triggered by daytime temperature[J].Nature Communications,2015,6:1. [14]苏慧敏,郭浩,夏照华,等.基于MODIS数据的北京市植被覆盖度动态监测[J].中国水土保持,2019,40(2):41-43,55.[Su Huimin,Guo Hao,Xia Zhaohua,et al.Dynamic monitoring on vegetation coverage of Beijing based on MODIS data[J].Soil and Water Conservation in China,2019,40(2):41-43,55.] [15]陈登魁,马超,王夏冰,等.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):1 410-1 417.[Chen Dengkui,Ma Chao,Wang Xiabing,et al.Variation of NDVI and its response to climate change in Xoh Xil during the period of 1982-2015[J].Arid Zone Research,2018,35(6):1 410-1 417.] [16]罗新蕊,杨武年,陈桃.川中丘陵区植被遥感动态监测及其驱动力分析[J].长江流域资源与环境,2019,28(1):103-111.[Luo Xinrui,Yang Wunian,Chen Tao.Dynamic Monitoring of vegetation and its driving force analysis using remoting sensing in hilly area of central Sichuan Province[J].Resources and Environment in the Yangtze Basin,2019,28(1):103-111.] [17]Weiss J L,Gutzler D S,Jea C,et al.Seasonal and interannual relationships between vegetation and climate in central New Mexico,USA[J].Journal of Arid Environments,2004,57(4):507-534. [18]Piao S L,Wang X H,Ciais P,et al.Changes in satellitederived vegetation growth trend in temperate and boreal Eurasia from 1982 to 2006[J].Global Change Biology,2011,17:3 228-3 239. [19]张胜军,王涛,王天明,等.新疆不同植被NDVI的变化及其与气候因子的关系[J].草业科学,2010,26(5):26-31.[Zhang Shengjun,Wang Tao,Wang Tianming,et al.The variation in NDVI of different vegetation types in Xinjiang and its relation to climate factor[J].Pratacultural Science,2010,26(5):26-31.] [20]刘宪锋,任志远.西北地区植被覆盖变化及其与气候因子的关系[J].中国农业科学,2012,45(10):1 954-1 963.[Liu Xianfeng,Ren Zhiyuan.Vegetation coverage change and its relationship with climate factors in Northwest China[J].Scientia Agricultura Sinica,2012,45(10):1 954-1 963.] [21]李杨,刘艳,马丽云.天山北坡气候因子对植被影响的空间分异性研究[J].干旱区资源与环境,2011,25(7):91-95.[Li Yang,Liu Yan,Ma Liyun,et al.Spatial variation of the vegetation effected by climatic factors in the north slope of Tianshan Mountains[J].Journal of Arid Land Resources and Environment,2011,25(7):91-95.] [22]武正丽.2000—2012年祁连山植被覆盖变化及其对气候的响应研究[D].西安:西北师范大学,2014.[Wu Zhengli.The Eesearch of the Vegetation Change and the Sensitivity between NDVI and Climatic Factors in Qilian Mountains[D].Xi〖JP8〗’an:Northwest Normal University,2014.] [23]唐海萍,陈玉福.中国东北样带NDVI的季节变化及其与气候因子的关系[J].第四纪研究,2003,23(3):318-325.[Tang Haiping,Chen Yufu.Intraannual variability of NDVI and its relation to climate in Northeast China Transect[J].Quaternary Sciences,2003,23(3):318-325.] [24]张君,延军平.1982—2013年陕西不同植被类型NDVI变化特征分析[J].干旱区资源与环境,2017,31(4):86-92.[Zhang Jun,Yan Junping.Characteristics of NDVI changes under the different vegetation types in Shaanxi Province from 1982 to 2013 [J].Journal of Arid Land Resources and Environment,2017,31(4):86-92.] [25]吴绍洪,尹云鹤,郑度,等.青藏高原近30年气候变化趋势[J].地理学报,2005,60(1):3-11.[Wu Shaohong,Yin Yunhe,Zheng Du,et al.climate changes in the Tibetan Plateau during the last three decades[J].Acta Geographica Sinica,2005,60(1):3-11.]
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