1. 新疆师范大学 地理科学与旅游学院,新疆,乌鲁木齐,830054
2. 新疆维吾尔自治区重点实验室 新疆干旱区湖泊环境与资源实验室,新疆,乌鲁木齐,830054
3. 新疆农业大学 草业与环境科学学院,新疆,乌鲁木齐,830052
纸质出版:2016
移动端阅览
康璇, 王雪梅, 柴仲平. 近25 a来渭-库绿洲土地利用/覆被变化及其影响因素[J]. 水土保持通报, 2016,36(5):333-339.
KANG Xuan, WANG Xuemei, CHAI Zhongping. Land Use/Cover Changes and Influencing Factors in Delta Oasis of Weigan-Kuqa River During Last 25 Years[J]. Bulletin of Soiland Water Conservation, 2016, 36(5): 333-339.
康璇, 王雪梅, 柴仲平. 近25 a来渭-库绿洲土地利用/覆被变化及其影响因素[J]. 水土保持通报, 2016,36(5):333-339. DOI: 10.13961/j.cnki.stbctb.2016.05.003.
KANG Xuan, WANG Xuemei, CHAI Zhongping. Land Use/Cover Changes and Influencing Factors in Delta Oasis of Weigan-Kuqa River During Last 25 Years[J]. Bulletin of Soiland Water Conservation, 2016, 36(5): 333-339. DOI: 10.13961/j.cnki.stbctb.2016.05.003.
[目的
]
对渭干河-库车河三角洲绿洲土地利用/覆被变化特征及其驱动因素进行研究,为维护绿洲生态系统健康、稳定提供依据。[方法
]
利用研究区1989,2001,2013年Landsat TM/ETM
+
的影像数据,采用动态度模型及转移矩阵等方法,深入分析该绿州土地利用/覆被变化特征,并结合气候因子、人口与经济要素分析其变化原因。[结果
]
(1)近25 a来该绿洲土地利用/覆被类型没有发生变化,但各类型的面积及所占比例都发生了较大变化。(2)研究期内,各地类面积呈二增四减趋势:耕地面积净增114.52%,主要是由草地及其他地类转化而来;盐碱地面积增加66.11%,林地、草地、水体与其他地类的面积均有所减少。[结论
]
近25 a来,该绿洲土地利用/覆被变化明显,其中,林地、草地、水体及盐碱地受自然因素主导,而耕地与其他地类则受人口和经济因素影响。
[Objective] We aimed to study the changes of land use/cover and its influencing factors in Weigan-Kuqa river delta oasis
in order to provide the basis for the oasis ecosystem health maintenance.[Methods] This article selected Weigan-Kuqa river delta oasis as the study area. Landsat TM/ETM+ image data in the year of 1989
2001 and 2013 was collected. By dynamic model and land transfer matrix analysis
we analyzed the characteristics of land use/cover change and its driving factors including climatic
social and economic factors.[Results] (1) During the past 25 years
there was no change in the land use/cover type in the Weigan-Kuqa river delta oasis
but the proportion of each type changed greatly. (2) The area of cultivated land increased by 114.52%
which was mainly converted from grassland and other land. The area of saline land increased by 66.11%. In contrast
the area of woodland
grassland
water and other land use types decreased.[Conclusion] In recent 25 years
the land use/cover in Weigan-Kuqa river delta oasis changed greatly. The variation of woodland
grassland
water and saline land was driven by natural factors
while the variation of cultivated land and other land use types was driven by population and economic factors.
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