快速城市化对上海地区植被和土壤碳储量时空变化的影响研究

Impact of Rapid Urbanization on Temporal and Spatial Variation of Shanghai Vegetation and Soil Carbon Storage

利用1987年和2007年两期遥感影像提取了上海市快速城市化地区的土地利用变化数据,根据IPCCLULUCF温室气体计量方法,计算了上海市快速城市化地区植被和土壤的碳储量,并采用圈层同心圆和线性拟合等方法定量的研究快速城市化对上海地区植被和土壤碳储量时空变化的影响。研究结果表明:(1)上海市总的碳库储量呈现减少趋势;(2)上海市城市建设用地面积比重从城市中心向郊区递减;(3)对上海市各采样单元的城市化水平和碳储量数据进行拟合研究表明两者具有良好的线性关系。

This study collects the land utilization data of Shanghai＇s rapid urbanization area in 1987 and 2007. According to the IPCC- LULUCF greenhouse gas metering method,it calculated Shanghai rapid urbanization area of vegetation and soil carbon storage,and the circle concentric circles and linear fitting method was used for quantitative studies of the rapid city of Shanghai area of vegetation and soil carbon storage of temporal and spatial variation of the effect of. The results showed that：（ 1） The total carbon storage in Shanghai city showed a decreasing trend;（ 2） The proportion of urban construction land in Shanghai city decreased from the city center to the suburbs,（ 3） Fitting the data of the urbanization level and the carbon storage data of each sampling unit in Shanghai city shows that they have a good linear relationship.