Temporal and spatial variation of land cover change in the source regions of the Yangtze and Yellow Rivers
YANG Yi-peng, GUO Luo*, HUANG Qi, LI Dong-dong
1. Ministry of Environmental Protection, Beijing 100035, China; 2. College of Life and Environmental Sciences, Minzu University of China, Beijing 100081, China
Based on the Landsat TM/ETM+ images and field survey data, the characteristics changes of land-cover pattern and spatial variation have been studied with the aids of 3S techniques in the source regions of the Yellow River since the mid-1980s. Then change trends of spatial pattern were analyzed in the study area. Influencing factors of ecological environment diversion in the source areas were discussed. The results indicated that patch density changes of land types were observed in the source regions of the Yellow River. The dominant grassland was destroyed to some extent in the recent 20 years. The climate in two source region has become warmer and drier in the recent 20 years due to the global warming; the regional land cover change of spatial structure is obvious. The alpine environment and trend of the climatic changes were the decisive factors affecting grassland ecosystem.
杨一鹏, 郭泺*, 黄琦, 李冬冬. 黄河源头地区土地覆盖的时空变化特征[J]. , 2013, 32(1): 98-103.
YANG Yi-peng, GUO Luo*, HUANG Qi, LI Dong-dong. Temporal and spatial variation of land cover change in the source regions of the Yangtze and Yellow Rivers. , 2013, 32(1): 98-103.
[1] 葛全胜, 赵名茶, 郑景云.20世纪中国土地覆盖变化研究[J]. 地理学报, 2000, 55(6):698-706.
[2] Treta P, Rogan J. Remote sensing for mapping and monitoring land-cover and land-use change: An introduction[J]. Progress in Planning, 2004, 61: 269-279.
[3] Liu J Y, Liu M L, Tian H Q, Zhuang D F, Zhang Z X, Zhang W, Tang X M, Deng X Z. Spatial and temporal pattern of China cropland during 1990-2000: Analysis based on Landsat TM data[J]. Remote Sensing of Environment, 2005, 98: 442-456.
[4] 史培军, 宫鹏, 李晓兵, 陈晋, 齐晔, 潘耀忠.土地利用/覆盖变化研究的方法与实践[M].北京:科学出版社, 2000. 10-35.
[5] Jonathan G F J, Udaysankar S N, Sundar A C. Land use change impacts on regional climate over Kilimanjaro[J]. Journal of Geophysical Research, 2011, 2: 24-32.
[6] NingalI T, Hartemink A E, Bregt A. Land use change in the Morobe province of Papua New Guinea between 1975 and 2000[J]. Journal of Environmental Management, 2008, 87, 117-124.
[7] Bakker M. M, Veldkamp A. Modelling land change: the issue of use and cover in wide-scale applications[J]. Journal of Land Use Science, 2008, 3(4): 203-213.
[8] Polhill J G, Gimona A, Aspinall R. Agent-based modeling of land use effects on ecosystem processes and services[J]. Journal of Land Use Science, 2011, 6, 75-81.
[9] Pany, Roth A, Yu Z R, Doluschitz R. The impact of variation in scale on the behavior of a cellular automata used for land use change modeling. Computers[J]. Environment and Urban Systems, 2010, 34, 400-408.
[10] 陈浩, 赵志平.近30年来三江源自然保护区土地覆被变化分析[J]. 地球信息科学学报, 2009, 11(3):390-399.
[11] Rapport D J, Gaudet C, Karr J R, Baron J S, Bohlen C, Jackson W, Jones B, Naiman R J, Norton B, Pollock M M Evaluating landscape health: integrating societal goals and biophysical process[J]. Journal of Environmental Management, 1998, 53(1): 1-15.
[12] 邴龙飞, 邵全琴, 刘纪远.近30年黄河源头土地覆被变化特征分析[J]. 地球信息科学学报, 2011, 13(3):289-296.
[13] 张小咏, 邵景安, 黄麟.三江源南部草地退化时空特征分析[J].地球信息学, 2008, 10(5):645-650.
[14] 邵景安, 芦清水, 张小咏.近30年青海三江源西部干旱区草地退化特征的遥感分析[J].自然资源学报, 2008, 23(4):643-655.
[15] 王根绪, 丁永建, 王建, 刘时银.近15年来长江黄河源区的土地覆被变化[J]. 地理学报, 2004, 59(2):163-173.
[16] 张镱锂, 刘林山, 摆万奇, 沈振西, 阎建忠, 丁明军, 李双成, 郑度.黄河源地区草地退化空间特征[J].地理学报, 2006, 61(1):3-14.
[17] 张镱锂, 丁明军. 三江源地区植被变化趋势特征[J].地理研究, 2007, 26(3):500-507.
[18] 徐新良, 刘纪远, 邵全琴, 樊江文.30年来青海三江源生态系统格局和空间结构动态变化[J].地理研究, 2008, 27(4):829-838.
[19] 赵志平, 刘纪远, 邵全琴.三江源自然保护区土地覆被变化特征分析[J].地理科学, 2010, 30(3):415-420.
[20] 刘纪远, 徐新良, 邵全琴.近30 年来青海三江源地区草地退化的时空特征[J]. 地理学报, 2008, 63(4):364-376.
[21] 李迪强, 李建文.三江源生物多样性——三江源自然保护区科学考察报告[M].北京:科学出版社, 2002. 1:44-731.
[22] 唐红玉, 杨小丹, 王希娟, 史津梅, 徐亮.三江源地区近50 年降水变化分析[M]. 高原气象, 2007, 26(1):47-54.
