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Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010

LIU Qinping YANG Yongchun TIAN Hongzhen ZHANG Bo GU Lei

LIU Qinping, YANG Yongchun, TIAN Hongzhen, ZHANG Bo, GU Lei. Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010[J]. 中国地理科学, 2014, (2): 231-244. doi: 10.1007/s11769-013-0645-2
引用本文: LIU Qinping, YANG Yongchun, TIAN Hongzhen, ZHANG Bo, GU Lei. Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010[J]. 中国地理科学, 2014, (2): 231-244. doi: 10.1007/s11769-013-0645-2
LIU Qinping, YANG Yongchun, TIAN Hongzhen, ZHANG Bo, GU Lei. Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010[J]. Chinese Geographical Science, 2014, (2): 231-244. doi: 10.1007/s11769-013-0645-2
Citation: LIU Qinping, YANG Yongchun, TIAN Hongzhen, ZHANG Bo, GU Lei. Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010[J]. Chinese Geographical Science, 2014, (2): 231-244. doi: 10.1007/s11769-013-0645-2

Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010

doi: 10.1007/s11769-013-0645-2
基金项目: Under the auspices of National Natural Science Foundation of China (No. 41171143, 40771064), Program for New Century Excellent Talents in University (No. NCET-07-0398), Fundamental Research Funds for the Central Universities (No. lzujbky-2012-k35)
详细信息
    通讯作者:

    YANG Yongchun,yangych@lzu.edu.cn

Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010

  • 摘要: Since the reform and opening-up program started in 1978, the level of urbanization has increased rapidly in China. Rapid urban expansion and restructuring have had significant impacts on the ecological environment especially within built-up areas. In this study, ArcGIS 10, ENVI 4.5, and Visual FoxPro 6.0 were used to analyze the human impacts on vegetation in the built-up areas of 656 Chinese cities from 1992 to 2010. Firstly, an existing algorithm was refined to extract the boundaries of the built-up areas based on the Defense Meteorological Satellite Program Operational Linescan System (DMSP_OLS) nighttime light data. This improved algorithm has the advantages of high accuracy and speed. Secondly, a mathematical model (Human impacts (HI)) was constructed to measure the impacts of human factors on vegetation during rapid urbanization based on Advanced Very High Resolution Radiometer (AVHRR) Normalized Difference Vegetation Index (NDVI) and Moderate Resolution Imaging Spectroradiometer (MODIS) NDVI. HI values greater than zero indicate relatively beneficial effects while values less than zero indicate proportionally adverse effects. The results were analyzed from four aspects: the size of cities (metropolises, large cities, medium-sized cities, and small cities), large regions (the eastern, central, western, and northeastern China), administrative divisions of China (provinces, autonomous regions, and municipalities) and vegetation zones (humid and semi-humid forest zone, semi-arid steppe zone, and arid desert zone). Finally, we discussed how human factors impacted on vegetation changes in the built-up areas. We found that urban planning policies and developmental stages impacted on vegetation changes in the built-up areas. The negative human impacts followed an inverted ‘U’ shape, first rising and then falling with increase of urban scales. China’s national policies, social and economic development affected vegetation changes in the built-up areas. The findings can provide a scientific basis for municipal planning departments, a decision-making reference for government, and scientific guidance for sustainable development in China.
  • [1] The authors would like to thank the anonymous reviewers for their valuable comments and suggestions to improve the quality of the paper. We are also grateful to Gilbert R. Bossé for his language help.
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Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010

doi: 10.1007/s11769-013-0645-2
    基金项目:  Under the auspices of National Natural Science Foundation of China (No. 41171143, 40771064), Program for New Century Excellent Talents in University (No. NCET-07-0398), Fundamental Research Funds for the Central Universities (No. lzujbky-2012-k35)
    通讯作者: YANG Yongchun,yangych@lzu.edu.cn

摘要: Since the reform and opening-up program started in 1978, the level of urbanization has increased rapidly in China. Rapid urban expansion and restructuring have had significant impacts on the ecological environment especially within built-up areas. In this study, ArcGIS 10, ENVI 4.5, and Visual FoxPro 6.0 were used to analyze the human impacts on vegetation in the built-up areas of 656 Chinese cities from 1992 to 2010. Firstly, an existing algorithm was refined to extract the boundaries of the built-up areas based on the Defense Meteorological Satellite Program Operational Linescan System (DMSP_OLS) nighttime light data. This improved algorithm has the advantages of high accuracy and speed. Secondly, a mathematical model (Human impacts (HI)) was constructed to measure the impacts of human factors on vegetation during rapid urbanization based on Advanced Very High Resolution Radiometer (AVHRR) Normalized Difference Vegetation Index (NDVI) and Moderate Resolution Imaging Spectroradiometer (MODIS) NDVI. HI values greater than zero indicate relatively beneficial effects while values less than zero indicate proportionally adverse effects. The results were analyzed from four aspects: the size of cities (metropolises, large cities, medium-sized cities, and small cities), large regions (the eastern, central, western, and northeastern China), administrative divisions of China (provinces, autonomous regions, and municipalities) and vegetation zones (humid and semi-humid forest zone, semi-arid steppe zone, and arid desert zone). Finally, we discussed how human factors impacted on vegetation changes in the built-up areas. We found that urban planning policies and developmental stages impacted on vegetation changes in the built-up areas. The negative human impacts followed an inverted ‘U’ shape, first rising and then falling with increase of urban scales. China’s national policies, social and economic development affected vegetation changes in the built-up areas. The findings can provide a scientific basis for municipal planning departments, a decision-making reference for government, and scientific guidance for sustainable development in China.

English Abstract

LIU Qinping, YANG Yongchun, TIAN Hongzhen, ZHANG Bo, GU Lei. Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010[J]. 中国地理科学, 2014, (2): 231-244. doi: 10.1007/s11769-013-0645-2
引用本文: LIU Qinping, YANG Yongchun, TIAN Hongzhen, ZHANG Bo, GU Lei. Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010[J]. 中国地理科学, 2014, (2): 231-244. doi: 10.1007/s11769-013-0645-2
LIU Qinping, YANG Yongchun, TIAN Hongzhen, ZHANG Bo, GU Lei. Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010[J]. Chinese Geographical Science, 2014, (2): 231-244. doi: 10.1007/s11769-013-0645-2
Citation: LIU Qinping, YANG Yongchun, TIAN Hongzhen, ZHANG Bo, GU Lei. Assessment of Human Impacts on Vegetation in Built-up Areas in China Based on AVHRR, MODIS and DMSP_OLS Nighttime Light Data, 1992-2010[J]. Chinese Geographical Science, 2014, (2): 231-244. doi: 10.1007/s11769-013-0645-2
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