Lu Chunxia; Ma Cong; Zhang Yushu; Xu Zengrang
Source Publicationjournalofresourcesandecology
AbstractHydropower, next to coal, is the second most important source of electric power supply in China. It amounted to 20.4% of the nation's total installed capacity of electricity generation in 2011. To provide a comprehensive picture of the development of hydropower in China and its potential environmental impacts, this study calculates the ecological footprint and greenhouse gas emission reduction of hydropower development in China over the past 60 years. The ecological footprints include the energy ecological footprint and arable land occupation footprint. The energy ecological footprint is calculated in terms of the area of the land which would be used for reforestation in order to assimilate CO_2 emissions from fossil energy consumption for hydropower development. The arable land occupation footprint is calculated in terms of the area of the land to be inundated by hydropower development. The calculated energy ecological footprint was 502 422 ha in 2010 or about 0.3% of total arable land in China and the calculated inundated land was about 1.42×10~6 ha or about 1.2% of total arable land in China. The regional power grid baseline method was used to calculate the greenhouse gas emission reduction. Results indicated that CO_2 emission reduction from hydropower development was increasing rapidly since 1949 and reached 5.02×10~8 tons of CO_2 emission in 2010, with an accumulative total of 6.221×10~9 tons of CO_2 emission during the period 1949-2010.
Document Type期刊论文
First Author Affilication中国科学院地理科学与资源研究所
Recommended Citation
GB/T 7714
Lu Chunxia,Ma Cong,Zhang Yushu,et al. ecologicalfootprintofhydropowerdevelopmentinchinaandtheassociatedreductionsofgreenhousegasemission[J]. journalofresourcesandecology,2013,4(4):369.
APA Lu Chunxia,Ma Cong,Zhang Yushu,&Xu Zengrang.(2013).ecologicalfootprintofhydropowerdevelopmentinchinaandtheassociatedreductionsofgreenhousegasemission.journalofresourcesandecology,4(4),369.
MLA Lu Chunxia,et al."ecologicalfootprintofhydropowerdevelopmentinchinaandtheassociatedreductionsofgreenhousegasemission".journalofresourcesandecology 4.4(2013):369.
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