1. 石河子大学 水利建筑工程学院,新疆,石河子,832003
2. 中国科学院 新疆生态与地理研究所,新疆,乌鲁木齐,830011
纸质出版:2016
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王辉, 刘海隆, 包安明, 等. 2001-2013年开孔河流域净初级生产力遥感估算及其时空分布特征[J]. 水土保持通报, 2016,36(5):220-224.
WANG Hui, LIU Hailong, BAO Anming, et al. Remotely-sensed Estimation of Net Primary Productivity and Its Spatial-temporal Characteristics in Kaidu-Kongque River Basin from 2001 to 2013[J]. Bulletin of Soiland Water Conservation, 2016, 36(5): 220-224.
王辉, 刘海隆, 包安明, 等. 2001-2013年开孔河流域净初级生产力遥感估算及其时空分布特征[J]. 水土保持通报, 2016,36(5):220-224. DOI: 10.13961/j.cnki.stbctb.2016.05.042.
WANG Hui, LIU Hailong, BAO Anming, et al. Remotely-sensed Estimation of Net Primary Productivity and Its Spatial-temporal Characteristics in Kaidu-Kongque River Basin from 2001 to 2013[J]. Bulletin of Soiland Water Conservation, 2016, 36(5): 220-224. DOI: 10.13961/j.cnki.stbctb.2016.05.042.
[目的] 估算2001-2013年开孔河流域净初级生产力(NPP),并分析其时空分布特征和未来变化趋势,为自然资源的管理和有效利用提供依据。[方法] 基于MODIS植被指数(NDVI)产品数据、气象数据和植被分类数据,利用改进的CASA模型。[结果] 2001-2013年开孔河流域年均NPP呈逐渐增长趋势;空间上表现为西北高、东南低的特征,以开孔河为高值中心呈带状分布;NPP年内变化较大,夏季最高,占全年的65.30%,冬季仅有2.13%,为各季最低;Hurst指数与Slope趋势空间耦合图表明流域内未来NPP将呈增长趋势。[结论] 开孔河流域生态环境呈良性发展的态势且季节差异明显、区域差异明显。
[Objective] The paper estimates the net primary productivity(NPP) of the Kaidu-Kongque river basin
and analyzes its spatial and temporal distribution characteristics and the future tendency
in order to provide the basis for the management and effective use of natural resources.[Methods] MODIS vegetation index(NDVI) data
meteorological and vegetation classification data was collected from 2001 to 2013. The improved CASA model was used.[Results] The annual NPP showed a gradually increasing trend
and it was high in northwest but low in southeast. The NPP values showed a zonal distribution with Kiadu-Kongque river as the center(highest NPP value). The annual variation of NPP was great
the highest NPP occurred in summer(65.30%) while the lowest NPP occurred in winter (2.13%). From the Hurst index and slope trend of NPP spatial coupling graph
an increasing trend in NPP could be expected in the future.[Conclusion] The development of ecological environment in the Kaidu-Kongque river basin is sustainable
and the seasonal and regional difference is obvious.
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