基于SPOT数据的海河流域植被覆盖度变化图谱特征
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摘要
为了从时空结合的角度探讨1999—2013年15年间海河流域植被覆盖的变化轨迹和特征,基于SPOT/NDVI数据,运用图谱分析法对海河流域的植被覆盖度变化进行时空分析.结果表明:(1)1999—2004年的植被覆盖度变化图谱以植被覆盖度等级转好的图谱单元为主,其空间分布较集中,而植被覆盖度转差的图谱单元较少且空间分布较分散.(2)2004—2009年植被覆盖度变化的总面积减少;以植被覆盖度转差的图谱单元为主,其空间分布由上一阶段分散变为集中,而植被覆盖度转好的图谱单元在空间上由上一阶段集中变为分散.(3)2009—2013年,植被覆盖度变化的总面积得到回升,空间差异上植被覆盖度的变化与第1阶段相似,与第2阶段相反,皆以植被覆盖度转好的图谱单元类型为主,空间分布较集中,而植被覆盖度转差的图谱单元空间分布较分散.(4)1999—2013年,植被覆盖度变化图谱模式以稳定型主,说明植被覆盖度较稳定,其次是前期转换型和连续转换型,具有明显的时间阶段特征,所有图谱模式以中、高等植被覆盖度相互转换为主.研究结果可以及时准确地反映该流域植被变化状况,为海河流域生态环境保护提供科学指导.
In order to discuss the change trajectories and characteristics of vegetation coverage in Haihe River Basin from1999 to 2013,under temporal and spatial integration aspect. Spatial-temporal distribution characteristics of vegetation coverage change were analyzed combining with the spectrum analysis based on the SPOT/NDVI data. The results indicate that :(1)In 1999—2004,spectrum units mainly are that vegetation coverage grade are better,its spatial distribution is relatively concentrated,and the spectrum unit of vegetation coverage slip is less and the space distribution is more dispersed.(2)In 2004—2009,the total area of vegetation cover change are decreasing. Spectrum units mainly are that vegetation coverage grade are slip,and the spatial distribution is changed from dispersed to concentrated. However in space the spectrum unit of vegetation coverage better are changed from focused into dispersion.(3) In 2009—2013,the total area of vegetation cover change is picked up,and on the spatial difference vegetation coverage change is similar with vegetation coverage change in 1999 —2004,contrary to the second stage. Spectrum units mainly are that vegetation coverage grade are better,its spatial distribu-tion is relatively concentrated,and the spectrum unit of vegetation coverage slip is less and the space distribution is more dis-persed.(4)For the mode of spectrum change,the stabilization are primary,followed by the conversion of the type and the continuous conversion,and have obvious time phase. The vegetation coverage change spectrum pattern are the middle and high vegetation cover conversion. These findings will help reflect the variety of vegetation coverage in time,and provide scientific guidance for the ecological environment protection and sustainable development of Haihe River basin.
In order to discuss the change trajectories and characteristics of vegetation coverage in Haihe River Basin from1999 to 2013,under temporal and spatial integration aspect. Spatial-temporal distribution characteristics of vegetation coverage change were analyzed combining with the spectrum analysis based on the SPOT/NDVI data. The results indicate that :(1)In 1999—2004,spectrum units mainly are that vegetation coverage grade are better,its spatial distribution is relatively concentrated,and the spectrum unit of vegetation coverage slip is less and the space distribution is more dispersed.(2)In 2004—2009,the total area of vegetation cover change are decreasing. Spectrum units mainly are that vegetation coverage grade are slip,and the spatial distribution is changed from dispersed to concentrated. However in space the spectrum unit of vegetation coverage better are changed from focused into dispersion.(3) In 2009—2013,the total area of vegetation cover change is picked up,and on the spatial difference vegetation coverage change is similar with vegetation coverage change in 1999 —2004,contrary to the second stage. Spectrum units mainly are that vegetation coverage grade are better,its spatial distribu-tion is relatively concentrated,and the spectrum unit of vegetation coverage slip is less and the space distribution is more dis-persed.(4)For the mode of spectrum change,the stabilization are primary,followed by the conversion of the type and the continuous conversion,and have obvious time phase. The vegetation coverage change spectrum pattern are the middle and high vegetation cover conversion. These findings will help reflect the variety of vegetation coverage in time,and provide scientific guidance for the ecological environment protection and sustainable development of Haihe River basin.
引文
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[12]杨艳丽,孙艳玲,王中良.2000—2013年海河流域植被覆盖的时空变化[J].干旱区资源与环境,2016(7):65-70.YANG Y L,SUN Y L,WANG Z L.The spatial-temporal variations of vegetation cover in the Haihe River Basin from 2000 to 2013[J].Journal of Arid Land Resources and Environment,2016(7):65-70.
[13]吴云,曾源,赵炎,等.基于MODIS数据的海河流域植被覆盖度估算及动态变化分析[J].资源科学,2010,32(7):1417-1424.WU Y,ZENG Y,ZHAO Y,et al.Monitoring and dynamic analysis of fractional vegetation cover in the Hai River Basin based on MODIS data[J].Resources Science,2010,32(7):1417-1424.
[14]王金亮,邵景安,李阳兵,等.近20 a三峡库区农林地利用变化图谱特征分析[J].自然资源学报,2015,30(2):236-246.WANG J L,SHAO J G,LI Y B,et al.Geo-Spectrum based analysis of crop and forest land use change in the recent 20 years in the Three Gorges Reservoir Area[J].Journal of Natural Resources,2015,30(2):236-246.
[15]吴见,王帅帅,谭靖.基于安徽省土地利用变化的地形梯度效应分析[J].长江流域资源与环境,2016,25(2):239-248.WU J,WANG S S,TAN J.Analysis on terrain gradient effect based on land use change in Anhui province[J].Resources and Environment in the Yangtze Basin,2016,25(2):239-248.
[16]马海超,刘吉平.吉林省西部土地利用格局变化图谱与驱动力分析[J].水土保持研究,2015,22(2):193-199.MA H C,LIU J P.Analysis on TUPU and driving force of land use pattern change in the western Jinlin Province[J].Research of Soil and Water Conversation,2015,22(2):193-199.
[17]刘欢,张荣群,郝晋民,等.基于半方差函数的银川平原土地利用强度图谱分析[J].农业工程学报,2012,28(23):225-231.LIU H,ZHANG R Q,HAO J M,et al.Tupu analysis of land use intensity using semi-variance in Yinchuan plain[J].Transactions of the Chinese Society of Agricultural Engineering(Transactions of the CSAE),2012,28(23):225-231.
[18]赫英明,刘向培,王汉杰.基于EVI的中国最近10 a植被覆盖变化特征分析[J].气象科学,2017,37(1):51-59.HE Y M,LIU X P,WANG H J.Variation characteristics of vegetation cover in the latest 10 years over China based on EVI[J].Journal of the Meteorological Sciences,2017,37(1):51-59.
[19]阿多,赵文吉,宫兆宁,等.1981—2013华北平原气候时空变化及其对植被覆盖度的影响[J].生态学报,2017,37(2):576-592.A D,ZHAO W J,GONG Z N,et al.Temporal analysis of climate change and its relationship with vegetation cover on the north china plain from 1981 to 2013[J].Acta Ecologica Sinica,2017,37(2):576-592.
[20]朱占永,郭伟志,张海力.海河流域土地利用变化图谱分析[J].安徽农业科学,2012,40(14):8292-8295.ZHU Z Y,GUO W Z,ZHANG H L.Mapping analysis of land-use changes in Haihe River Basin[J].Journal of Anhui Agri,2012,40(14):8292-8295.
[2]杨艳丽,孙艳玲,王中良,等.京津风沙源治理区植被变化的可持续性分析[J].天津师范大学学报(自然科学版),2016,36(2):47-53.YANG Y L,SUN Y L,WANG Z L,et al.Persistence in vegetation cover changes in Beijing-Tianjin sandstorm source control region[J].Journal of Tianjin Normal University(Natural Science Edition),2016,36(2):47-53.
[3]TONG S Q,ZHANG J Q,BAO Y H,et al.Spatial and temporal variations of vegetation cover and the relationships with climate factors in Inner Mongolia based on GIMMS NDVI3g data[J].Journal of Arid Land,2017,9(3):394-407.
[4]李卓,孙然好,张继超,等.京津冀城市群地区植被覆盖动态变化时空分析[J].生态学报,2017(22):1-9.LI Z,SUN R H,ZHANG J C,et al.Temporal-spatial analysis of vegetation coverage dynamics in Beijing-Tianjin-Hebei metropolitan regions[J].Acta Ecologica Sinica,2017,37(22):1-9.
[5]柴良建,刘福贵,肖琬蒙,等.仁寿县植被覆盖度的空间分布特征[J].四川林勘设计,2017(2):50-56.CAI L J,LIU F G,XIAO W M,et al.Spatial distribution characteristics of vegetation coverage in Renshou county[J].Sichuan Forest Exploration and Design,2017(2):50-56.
[6]穆少杰,李建龙,陈奕兆,等.2001—2010年内蒙古植被覆盖度时空变化特征[J].地理学报,2012,67(9):1256-1266.MU S J,LI J L,CHEN Y Z,et al.Spatial differences of variations of vegetation coverage in Inner Mongolia during 2001—2010[J].Acta Geographica Sinica,2012,67(9):1256-1266.
[7]王文辉,田超,刘青青,等.长汀县1982—2006年植被覆盖度变化与气象因子关系[J].南昌工程学院学报,2016,35(6):46-51.WANG W H,TIAO C,LIU Q Q,et al.Relationship between cover changes and meteorological factors in Changting Country[J].Joural of Nanchang Institute of Technology,2016,35(6):46-51.
[8]张善红,丁小松.西安市热岛效应与植被覆盖度的关系研究[J].商洛学院学报,2016,30(6):76-81.ZHANG S H,DING X S.A study of relationship between Xi'an heat island effect and vegetation fraction[J].Journal of Shangluo University,2016,30(6):76-81.
[9]严登华,袁喆,杨志勇,等.1961年以来海河流域干旱时空变化特征分析[J].水科学进展,2013,24(1):34-41.YAN D H,YUAN Z,YANG Z Y,et al.Spatial and temporal changes in drought since 1961 in Haihe River basin[J].Advances in Water Science,2013,24(1):34-41.
[10]陈福军,沈彦俊,胡乔利,等.海河流域NDVI对气候变化的响应研究[J].遥感学报,2011,15(2):408-414.CHEN F J,SHEN Y J,HU Q L,et al.Responses of NDVI to climate change in the Haihe River Basin[J].Journal of Remote Sensing,2011,15(2):408-414.
[11]王永财,孙艳玲,王中良.1998—2011年海河流域植被覆盖变化及气候因子驱动分析[J].资源科学,2014,36(3):594-602.WANG Y C,SUN Y L,WANG Z L.Spatial temporal change in vegetation cover and climate factor drivers of variation in the Haihe River Basin 1998—2011[J].Resources Science,2014,36(3):594-602.
[12]杨艳丽,孙艳玲,王中良.2000—2013年海河流域植被覆盖的时空变化[J].干旱区资源与环境,2016(7):65-70.YANG Y L,SUN Y L,WANG Z L.The spatial-temporal variations of vegetation cover in the Haihe River Basin from 2000 to 2013[J].Journal of Arid Land Resources and Environment,2016(7):65-70.
[13]吴云,曾源,赵炎,等.基于MODIS数据的海河流域植被覆盖度估算及动态变化分析[J].资源科学,2010,32(7):1417-1424.WU Y,ZENG Y,ZHAO Y,et al.Monitoring and dynamic analysis of fractional vegetation cover in the Hai River Basin based on MODIS data[J].Resources Science,2010,32(7):1417-1424.
[14]王金亮,邵景安,李阳兵,等.近20 a三峡库区农林地利用变化图谱特征分析[J].自然资源学报,2015,30(2):236-246.WANG J L,SHAO J G,LI Y B,et al.Geo-Spectrum based analysis of crop and forest land use change in the recent 20 years in the Three Gorges Reservoir Area[J].Journal of Natural Resources,2015,30(2):236-246.
[15]吴见,王帅帅,谭靖.基于安徽省土地利用变化的地形梯度效应分析[J].长江流域资源与环境,2016,25(2):239-248.WU J,WANG S S,TAN J.Analysis on terrain gradient effect based on land use change in Anhui province[J].Resources and Environment in the Yangtze Basin,2016,25(2):239-248.
[16]马海超,刘吉平.吉林省西部土地利用格局变化图谱与驱动力分析[J].水土保持研究,2015,22(2):193-199.MA H C,LIU J P.Analysis on TUPU and driving force of land use pattern change in the western Jinlin Province[J].Research of Soil and Water Conversation,2015,22(2):193-199.
[17]刘欢,张荣群,郝晋民,等.基于半方差函数的银川平原土地利用强度图谱分析[J].农业工程学报,2012,28(23):225-231.LIU H,ZHANG R Q,HAO J M,et al.Tupu analysis of land use intensity using semi-variance in Yinchuan plain[J].Transactions of the Chinese Society of Agricultural Engineering(Transactions of the CSAE),2012,28(23):225-231.
[18]赫英明,刘向培,王汉杰.基于EVI的中国最近10 a植被覆盖变化特征分析[J].气象科学,2017,37(1):51-59.HE Y M,LIU X P,WANG H J.Variation characteristics of vegetation cover in the latest 10 years over China based on EVI[J].Journal of the Meteorological Sciences,2017,37(1):51-59.
[19]阿多,赵文吉,宫兆宁,等.1981—2013华北平原气候时空变化及其对植被覆盖度的影响[J].生态学报,2017,37(2):576-592.A D,ZHAO W J,GONG Z N,et al.Temporal analysis of climate change and its relationship with vegetation cover on the north china plain from 1981 to 2013[J].Acta Ecologica Sinica,2017,37(2):576-592.
[20]朱占永,郭伟志,张海力.海河流域土地利用变化图谱分析[J].安徽农业科学,2012,40(14):8292-8295.ZHU Z Y,GUO W Z,ZHANG H L.Mapping analysis of land-use changes in Haihe River Basin[J].Journal of Anhui Agri,2012,40(14):8292-8295.