基于DMSP/OLS和Landsat数据的城市化与生态环境耦合协调分析

Coupling Coordination Analysis of Urbanization and Eco-environment System in Jinjiang Using Landsat Series Data and DMSP/OLS Nighttime Light Data

运用DMSP/OLS夜间灯光数据和Landsat系列遥感数据分别建立表征城市化的夜间灯光指数(NLI)和表征生态质量的遥感生态指数(RSEI),引入耦合协调发展模型,分析1995-2013年晋江市城市化与生态环境耦合协调状况.研究结果表明:1995-2013年晋江市城市化水平呈迅速上升趋势,夜间灯光指数由1995年的0. 367上升至2013年的0. 934; 1995-2013年晋江市生态状况呈整体下降趋势,高值区主要分布在晋江市北部的紫帽镇的紫岭果林场-铁灶果林场一带、池店镇的仙公山公园附近以及东北部的西滨农场-江滨公园一带; 1995-2013年晋江市各乡镇(街道)城市化与生态环境耦合协调发展状况总体上得到改善,由1995年城市化滞后的失调阶段发展到2013年城市化超前的良好协调阶段;论文为晋江市生态环境建设和城市化发展等提供基础性实证依据,也为沿海其他地区的生态监控工作提供新的视角.

The article build a nighttime light index and a remote sensing ecological index by using DMSP/OLS nighttime light data and Landsat remote sensing data, and the two indexes represent Jinjiang＇s urbanization and eco-environment. Then the introduction of the coordinated development of coupling model to analysis the coupling conditions between urbanization and eco-environment of Jinjiang in 1995-2013. The results show that： 1995 -2013, the level of Jinjiang＇s urbanization is ris- ing rapidly, the nighttime light index raised from 0. 934 in 1995 rose to 0. 367 in 2013. 1995 - 2013, the quality Jinjiang＇s eco-environment shows a decreasing trend, the remote sensing ecological index has fallen from 0. 439 to 0. 293. And the high value areas are mainly distributed in the vicinity of the nearby city of Jinjiang in northern Zimao town purple ridge fruit tree-iron focal area, Chidian Lin Xian Gong Shan Park and northeast of the West Coast farm-Riverside Park. 1995 - 2013, Jinjiang＇s ecological environment coupling coordinated development condition overall is improved, in 1995, the city lags behind the imbalance stage to good coordination stage of advanced City in 2013 the paper will provide the basis; the empirical basis for the Jinjiang city ecological environment construction and city development, but also provide a new ecological monitoring work as other coastal areas angle.