基于遥感图像的景观生态平衡控制系统设计
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摘要
城市发展水平不仅体现在社会效益与经济效益方面,在生态效益方面尤为重要,生态平衡控制是保障城市可持续化发展的重要途径。从提取层与分析层角度设计基于遥感图像的景观生态平衡控制系统。遥感图像边缘分割是系统提取层的核心,分割遥感图像边缘得到景观斑块分割结果。根据遥感图像景观斑块分割结果提取有效景观数据信息,计算分维数、多样性、均匀度等景观指数,分析景观生态平衡状况,据此制定合理的景观生态平衡控制方案,控制景观生态平衡。研究结果表明,该系统可精准分割遥感图像边缘,有效计算城市区域景观指数、分析生态平衡状况,合理控制区域景观生态平衡。
The urban development level is not only reflected in social and economic benefits,but also in ecological benefits. Ecological balance control is an important way to ensure the sustainable development of cities. A landscape ecological balance control system based on remote sensing images is designed from the perspectives of extraction layer and analysis layer. The edge segmentation of remote sensing images is the core of the system extraction layer. The segmentation result of landscape patches is obtained by means of edge segmentation of remote sensing images. The effective landscape data information is extracted according to the landscape patch segmentation result of remote sensing images. The fractal dimension,diversity,evenness and other landscape indexes are calculated,and the ecological balance status of the landscape is analyzed,so as to make a reasonable landscape ecological balance control scheme for ecological balance control of the landscape. The research results show that the system can accurately segment the edges of remote sensing images,effectively calculate the landscape indexes of urban areas,analyze the ecological balance situation,and reasonably control the ecological balance of regional landscapes.
The urban development level is not only reflected in social and economic benefits,but also in ecological benefits. Ecological balance control is an important way to ensure the sustainable development of cities. A landscape ecological balance control system based on remote sensing images is designed from the perspectives of extraction layer and analysis layer. The edge segmentation of remote sensing images is the core of the system extraction layer. The segmentation result of landscape patches is obtained by means of edge segmentation of remote sensing images. The effective landscape data information is extracted according to the landscape patch segmentation result of remote sensing images. The fractal dimension,diversity,evenness and other landscape indexes are calculated,and the ecological balance status of the landscape is analyzed,so as to make a reasonable landscape ecological balance control scheme for ecological balance control of the landscape. The research results show that the system can accurately segment the edges of remote sensing images,effectively calculate the landscape indexes of urban areas,analyze the ecological balance situation,and reasonably control the ecological balance of regional landscapes.
引文
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[3]孙化蓉,王浩.城市绿地景观生态平衡性优化设计仿真[J].计算机仿真,2018,35(1):214-217.SUN Huarong,WANG Hao. Urban green space landscape ecological balance optimal design simulation[J]. Computer simulation,2018,35(1):214-217.
[4] LI F,YE Y,SONG B,et al. Evaluation of urban suitable ecological land based on the minimum cumulative resistance model:a case study from Changzhou,China[J]. Ecological modelling,2015,318:194-203.
[5]郭连杰,江涛,严立文,等.基于Landsat遥感数据的长岛南部岛群景观格局演化研究[J].海洋科学,2017,41(4):75-81.GUO Lianjie,JIANG Tao,YAN Liwen,et al. Study on the evolution of landscape patterns in the south of the Changdao Island based on Landsat remote sensing data[J]. Marine sciences,2017,41(4):75-81.
[6]赵明月,彭建,刘焱序,等.基于高分遥感影像的滇西北村域景观格局演变:以大理市低丘缓坡山地开发区为例[J].应用生态学报,2015,26(12):3803-3810.ZHAO Mingyue,PENG Jian,LIU Yanxu,et al. Landscape pattern changes at village scale using high resolution satellite images:a case study in low-slope hilly area of Dali City,Northwestern Yunnan Province[J]. Chinese journal of applied ecology,2015,26(12):3803-3810.
[7]欧定华,夏建国.城市近郊区景观格局变化特征、潜力与模拟:以成都市龙泉驿区为例[J].地理研究,2016,35(3):534-550.OU Dinghua,XIA Jianguo. Characteristics,potential and simulation of landscape pattern change in peri-urban areas:a case of Longquanyi district, Chengdu city[J]. Geographical research,2016,35(3):534-550.
[8]王新闯,陆凤连,吴金汝,等.县域土地利用景观格局演变及其生态响应:以河南省新郑市为例[J].中国水土保持科学,2017,15(6):34-43.WANG Xinchuang,LU Fenglian,WU Jinru,et al. Ecological response to change in land use at the county level:a case study of landscape patterns in Xinzheng City,Henan Province[J]. Science of soil and water conservation,2017,15(6):34-43.
[9]张艳芳,位贺杰.基于生态平衡视角的陕西碳通量时空演变分析[J].干旱区研究,2015,32(4):777-783.ZHANG Yanfang,WEI Hejie. Space-time evolvement of carbon flux in Shaanxi Province based on the ecological balance perspective[J]. Arid zone research,2015,32(4):777-783.
[10]刘世梁,侯笑云,尹艺洁,等.景观生态网络研究进展[J].生态学报,2017,37(12):3947-3956.LIU Shiliang, HOU Xiaoyun, YIN Yijie, et al. Research progress on landscape ecological networks[J]. Acta ecologica sinica,2017,37(12):3947-3956.