NDLI: Research on the Energy Analysis of Lake Ecological Functions

Content Provider	IEEE Xplore Digital Library
Author	Ren Li Xiang Xin-yi
Copyright Year	2009
Abstract	The energy flow and material flux of Poyang Lake ecosystem were quantitatively analyzed in this paper under the direction of energy analysis theory of eco-economic system established by H. T. Odum. In the process of traditional energy flow analysis, emergy values of different natures and different types can not be compared with each other or calculated easily. While based on the theory and method of energy analysis, fluxes of energy, material, value and population can be analyzed quantitatively with a uniform measurement standard. In this article, such conclusion was obtained that 4 steps necessary for the energy analysis of Lake’ s ecological benefits were that: (1) conceptual energy analysis system should be built up, which can reflect the energy analysis method; (2) energy analysis table should be drafted out and the emergy values should be calculated; (3) energy indices should be estimated; (4) wetland ecological benefits should be expatiated according to analytical tables of energy indices system and energy schemes. By collecting field investigating data and historical information, using the method listed in this article and analyzing the energy schemes and tables of lake ecosystem, we got that in 2005 the solar energy input was 2.75× l019sej, solar energy output was 6.90×1020sej, the primary productivity is 4.51×1019sej, the solar emergy values of ecological service, ecological tourism and research work in the input/output system are 7.79×1019se,6.86×1019sej and 2.01×1019sej respectively, and the sum was 1.67×1020sej. The total value of the natural resources in Poyang Lake was 1.03×109 Em$.
Starting Page	567
Ending Page	570
File Size	277463
Page Count	4
File Format	PDF
ISBN	9781424454112
e-ISBN	9781424454129
DOI	10.1109/CIS.2009.218
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ecosystems Sustainable Development Power generation economics Emergy Analysis Rivers Sustainable development Observatories Solar energy Lakes Monitoring Water resources Computational intelligence Poyang Lake
Content Type	Text
Resource Type	Article

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