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Featured researches published by M.Y. Han.


Frontiers of Earth Science in China | 2014

Local-scale systems input-output analysis of embodied water for the Beijing economy in 2007

M.Y. Han; Shan Guo; Hui Chen; Xi Ji; J.S. Li

Using the most detailed and recent statistics available for Beijing, a local-scale embodiment analysis on water use was conducted, employing a systems input-output analysis that integrates economic systems with natural resources data. Systems analysis for water research at the local scale is a crucial part of a systems oriented water accounting framework. To our knowledge, however, related works have not been thoroughly conducted. In this paper, a set of embodied water intensity inventory data is presented, which is applicable to both intermediate input and final demand. Also, detailed analyses of Beijing’s embodied water use accounting are presented. The embodied water intensity of the Water Production and Supply Industry Sector turns out to be the highest among the 42 sectors. For water embodied in final demand, the total amount is 3.48 km3, of which the water embodied in urban household consumption makes up nearly a half proportion. As a net virtual water importer, Beijing’s water embodied in commodity trade totals 5.84×108 m3. As a result, in addition to improvements in technology and water use efficiency, adjustments in industrial structure and trade policies are also of significant importance to water conservation efforts.


Ecological Informatics | 2012

Comparison of greenhouse gas emission accounting for a constructed wetland wastewater treatment system

R.Y. Gao; Ling Shao; J.S. Li; Shan Guo; M.Y. Han; Jing Meng; J.B. Liu; F.X. Xu; Cong Lin

Abstract The method of systems accounting as a combination of process analysis and input–output analysis is applied to assess the greenhouse gas (GHG) emissions of Longdao River constructed wetland (LRCW), a typical constructed wetland in northern China. An improved GHG emission assessment for the constructed wetland wastewater treatment is made in this paper by using a local embodied GHG emissions intensity database for the Beijing economy 2002. Results show that the indirect GHG emission of the case constructed wetland accounts for 82.31% of the total GHG emissions. More than half of the indirect GHG emission is caused by the electricity. 64.48% of the total GHG emissions happened during the operation stage. There is a great gap between the GHG emissions of the LRCW in this study and in former study, which can be attributed to the diverse economy structures and technology levels of Beijing economy and Chinese economy.


Frontiers of Earth Science in China | 2018

Embodied water analysis for Hebei Province, China by input-output modelling

Siyuan Liu; M.Y. Han; X.F. Wu; X.D. Wu; Zhi Li; Xiaohua Xia; Xi Ji

With the accelerating coordinated development of the Beijing-Tianjin-Hebei region, regional economic integration is recognized as a national strategy. As water scarcity places Hebei Province in a dilemma, it is of critical importance for Hebei Province to balance water resources as well as make full use of its unique advantages in the transition to sustainable development. To our knowledge, related embodied water accounting analysis has been conducted for Beijing and Tianjin, while similar works with the focus on Hebei are not found. In this paper, using the most complete and recent statistics available for Hebei Province, the embodied water use in Hebei Province is analyzed in detail. Based on input-output analysis, it presents a complete set of systems accounting framework for water resources. In addition, a database of embodied water intensity is proposed which is applicable to both intermediate inputs and final demand. The result suggests that the total amount of embodied water in final demand is 10.62 billion m3, of which the water embodied in urban household consumption accounts for more than half. As a net embodied water importer, the water embodied in the commodity trade in Hebei Province is 17.20 billion m3. The outcome of this work implies that it is particularly urgent to adjust industrial structure and trade policies for water conservation, to upgrade technology and to improve water utilization. As a result, to relieve water shortages in Hebei Province, it is of crucial importance to regulate the balance of water use within the province, thus balancing water distribution in the various industrial sectors.


Frontiers of Earth Science in China | 2014

Embodied exergy-based assessment of energy and resource consumption of buildings

Jing Meng; Zhi Li; J.S. Li; Ling Shao; M.Y. Han; Shan Guo

As an effective approach to achieve a more unified and scientific assessment, embodied exergy-based analysis is devised to assess the energy and resource consumption of buildings. A systematic accounting of the landmark buildings in E-town, Beijing is performed, on the basis of raw project data in the Bill of Quantities (BOQ) and the most recent embodied exergy intensities for the Chinese economy in 2007 with 135 industrial sectors. The embodied exergy of the engineering structure of the case buildings is quantified as 4.95E + 14 J, corresponding to an intensity of 8.25E + 09 J/m2 floor area. Total exergy of 51.9% and 28.8% are embodied in the steel and concrete inputs, respectively, due to the fact that the case buildings are structured of reinforced-concrete. The fossil fuel source (coal, crude oil, and natural gas) is predominant among four categories of natural resources (fossil fuel, biological, mineral, and environmental), accounting for 89.9% of the embodied exergy, with coal as the dominant energy resource (75.5%). The material accounts for 89.5% of the embodied exergy, in contrast to 9.0%, 1.4%, and 0.1% for manpower, energy, and equipment respectively. This result indicates that great attention should be given to the use of various materials vs. their value of their contribution.


Frontiers of Earth Science in China | 2016

Alternative industrial carbon emissions benchmark based on input-output analysis

M.Y. Han; Xi Ji

Some problems exist in the current carbon emissions benchmark setting systems. The primary consideration for industrial carbon emissions standards highly relate to direct carbon emissions (power-related emissions) and only a portion of indirect emissions are considered in the current carbon emissions accounting processes. This practice is insufficient and may cause double counting to some extent due to mixed emission sources. To better integrate and quantify direct and indirect carbon emissions, an embodied industrial carbon emissions benchmark setting method is proposed to guide the establishment of carbon emissions benchmarks based on input-output analysis. This method attempts to link direct carbon emissions with inter-industrial economic exchanges and systematically quantifies carbon emissions embodied in total product delivery chains. The purpose of this study is to design a practical new set of embodied intensity-based benchmarks for both direct and indirect carbon emissions. Beijing, at the first level of carbon emissions trading pilot schemes in China, plays a significant role in the establishment of these schemes and is chosen as an example in this study. The newly proposed method tends to relate emissions directly to each responsibility in a practical way through the measurement of complex production and supply chains and reduce carbon emissions from their original sources. This method is expected to be developed under uncertain internal and external contexts and is further expected to be generalized to guide the establishment of industrial benchmarks for carbon emissions trading schemes in China and other countries.


Ecological Informatics | 2012

Inventory and input–output analysis of CO2 emissions by fossil fuel consumption in Beijing 2007

Shan Guo; Ling Shao; Hui Chen; Zhi Li; J.B. Liu; F.X. Xu; J.S. Li; M.Y. Han; Jing Meng; Z.M. Chen; S.C. Li


Energy and Buildings | 2013

Embodied energy consumption of building construction engineering: Case study in E-town, Beijing

M.Y. Han; G.Q. Chen; Ling Shao; J.S. Li; A. Alsaedi; B. Ahmad; Shan Guo; M.M. Jiang; Xi Ji


Communications in Nonlinear Science and Numerical Simulation | 2014

Systems accounting for energy consumption and carbon emission by building

Ling Shao; G.Q. Chen; Z.M. Chen; Shan Guo; M.Y. Han; Bo Zhang; Tasawar Hayat; Ahmed Alsaedi; Bashir Ahmad


Ecological Informatics | 2012

Renewable resource for agricultural ecosystem in China: ecological benefit for biogas by-product for planting.

J.S. Li; Na Duan; Shan Guo; Ling Shao; Cong Lin; J.H. Wang; J. Hou; Y. Hou; Jing Meng; M.Y. Han


Ecological Modelling | 2015

Embodied water for urban economy: A three-scale input–output analysis for Beijing 2010

M.Y. Han; G.Q. Chen; M.T. Mustafa; Tasawar Hayat; Ling Shao; J.S. Li; Xiao-Hua Xia; Xi Ji

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J.S. Li

Huazhong University of Science and Technology

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Shan Guo

Hong Kong Polytechnic University

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Jing Meng

University of East Anglia

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Tasawar Hayat

King Abdulaziz University

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Ahmed Alsaedi

King Abdulaziz University

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Cong Lin

China Agricultural University

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