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CO capture and sequestration source-sink match optimization in Jing-Jin-Ji region of China

Zhong ZHENG , Dan GAO , Linwei MA , Zheng LI , Weidou NI ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 359-368 doi: 10.1007/s11708-009-0053-6

Abstract: A key problem for the implementation of CCS technology is the source-sink match design and optimizationpaper presents a generic-optimization-based model for the strategic planning and design of future CCS source-sinkIt shows how the model helps make a compromise in arriving at a strategic decision for CCS source-sinkproviding the tradeoff frontiers between economic and environmental performance, and the features of match

Keywords： CO2 capture and sequestration     China     source-sink match     tradeoff frontiers     multi-objective optimization    

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Effects of radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over

Krishnendu Bhattacharyya

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 376-384 doi: 10.1007/s11705-011-1121-0

Abstract: In this paper, an investigation is made to study the effects of radiation and heat source/sink on theThe thermal boundary layer thickness decreases with Prandtl number, radiation parameter and heat sinkparameter, but it increases with heat source parameter.Moreover, increasing unsteadiness, magnetic field strength, radiation and heat sink strength boost the

Keywords： MHD boundary layer     unsteady flow     heat transfer     thermal radiation     heat source/sink     shrinking sheet     suction    

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Construction and Application of a Regional Kilometer-Scale Carbon Source and Sink Assimilation Inversion

Lifeng Guo,Xiaoye Zhang,Junting Zhong,Deying Wang,Changhong Miao,Licheng Zhao,Zijiang Zhou,Jie Liao,Bo Hu,Lingyun Zhu,Yan Chen,

Engineering doi: 10.1016/j.eng.2023.02.017

Abstract: CO2 is one of the most important greenhouse gases (GHGs) in the earth’s atmosphere. Since the industrial era, anthropogenic activities have emitted excessive quantities of GHGs into the atmosphere, resulting in climate warming since the 1950s and leading to an increased frequency of extreme weather and climate events. In 2020, China committed to striving for carbon neutrality by 2060. This commitment and China’s consequent actions will result in significant changes in global and regional anthropogenic carbon emissions and therefore require timely, comprehensive, and objective monitoring and verification support (MVS) systems. The MVS approach relies on the top-down assimilation and inversion of atmospheric CO2 concentrations, as recommended by the Intergovernmental Panel on Climate Change (IPCC) Inventory Guidelines in 2019. However, the regional high-resolution assimilation and inversion method is still in its initial stage of development. Here, we have constructed an inverse system for carbon sources and sinks at the kilometer level by coupling proper orthogonal decomposition (POD) with four-dimensional variational (4DVar) data assimilation based on the weather research and forecasting–greenhouse gas (WRF–GHG) model. Our China Carbon Monitoring and Verification Support at the Regional level (CCMVS-R) system can continuously assimilate information on atmospheric CO2 and other related information and realize the inversion of regional and local anthropogenic carbon emissions and natural terrestrial ecosystem carbon exchange. Atmospheric CO2 data were collected from six ground-based monitoring sites in Shanxi to verify the inversion effect of regional anthropogenic carbon emissions by setting ideal and real experiments using a two-layer nesting method (at 27 km and 9 km). The uncertainty of the simulated atmospheric CO2 decreased significantly, with a root-mean-square error of CO2 concentration values between the ideal value and the simulated after assimilation was close to 0. The total anthropogenic carbon emissions in Shanxi Province in 2019 from the assimilated inversions were approximately 28.6% (17%–38%) higher than the mean of five emission inventories using the bottom-up method, showing that the top-down CCMVS-R system can obtain more comprehensive information on anthropogenic carbon emissions.

Keywords： CCMVS-R     Regional carbon assimilation system     Anthropogenic carbon emissions     CO2     POD 4DVar    

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Heat-spreading analysis of a heat sink base embedded with a heat pipe

B. V. BORGMEYER, H. B. MA,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 143-148 doi: 10.1007/s11708-010-0013-1

Abstract: A simplified model predicting the heat transfer performance of a heat sink base with a high thermal conductivityThe investigation indicates that for heat sink bases with a high effective thermal conductivity, suchas the base embedded with a typical heat pipe, the entire heat sink can be modeled as a flat plate withThis simplified model can be used to determine the heat transfer performance of a heat sink embedded

Keywords： heat pipe     heat sink     microprocessor heat removal    

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The Assessment of the Impacts of Land Use Change on the Ecosystem Carbon Sink

Wu Jianguo,Zhang Xiaoquan,Xu Deying

Strategic Study of CAE 2003, Volume 5, Issue 9,   Pages 65-71

Abstract: carbon cycle under different ecosystem in Liupan mountain forest zone and the conception of carbon sinkand source , the impacts of land use change on the carbon sink of ecosystem were assessed.It is found that the function of ecosystem carbon source or sink under different land uses includes carbonNatural secondary forest ecosystem is strong carbon sink, while plantation ecosystem is weak carbon sink, and cropland or rangeland ecosystem is source.

Keywords： land use change     soil organic carbon     carbon cycle     ecosystem carbon sink/source    

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Research on low carbon management using a scientific classification method

Shanna QI, Meiting JU, Meng DUAN, Wei XING

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 524-530 doi: 10.1007/s11783-011-0333-3

Abstract: This research is aimed at the rapid development of a low-carbon economy, in which we propose the classification and application of relevant management measures to affect the development of environmental management ideas and measures of the low-carbon economy, which we called as low carbon management measures. According to scientific analysis of the low-carbon economy, we can divide low-carbon management measures into three parts: measures for reduction of carbon sources, carbon flow planning, and increase of carbon sinks. Furthermore, we list the advantages that China can utilize to develop its own low-carbon management measures. In the end, necessary adjustments to environmental management measures in China can be made according to this scientific classification.

Keywords： low-carbon economy     low carbon management     carbon source     carbon flow     carbon sink    

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Strategy for Carbon Sink and Its Amplification in Marine Fisheries

Tang Qisheng and Liu Hui

Strategic Study of CAE 2016, Volume 18, Issue 3,   Pages 68-73 doi: 10.15302/J-SSCAE-2016.03.011

Abstract:

The concepts of the marine fisheries carbon sink and carbon sink fisheries current state of researchCompared to forestry carbon sequestration, marine fisheries carbon sink is characterized by both high: investigating the potential and mechanisms for marine fisheries carbon sink; vigorously developingcarbon sink fisheries of which the principal part is aquaculture; strengthening the conservation andmanagement of natural carbon sink and environment of China's seas; implementing fisheries carbon

Keywords： marine fisheries carbon sink     carbon sink fisheries     carbon sink amplification     conservation and management    

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Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2375-z

Abstract: isomers with a tunable composition, and their effects on the pyrolysis performance, such as the heat sink

Keywords： endothermic fuel     decalin     pyrolysis     heat sink     molecular structure    

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Flow and thermal modeling of liquid metal in expanded microchannel heat sink

Frontiers in Energy   Pages 796-810 doi: 10.1007/s11708-023-0877-5

Abstract: from the low heat capacity of coolant, resulting in an excessive temperature rise of coolant and heat sinkfins could distribute the heat inside microchannels, reducing the temperature rise of coolant and heat sinkThe flow and thermal modeling of expanded microchannel heat sink (E-MCHS) were analyzed by both usingmicrochannels with low channel aspect ratio, low mean velocity (Um) or long heat sinkThe expanded space endowed the heat sink with lower pressure, which might further reduce the pumping

Keywords： liquid metal cooling     heat sink     expanded microchannel     flow and thermal modeling    

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Development of source profiles and their application in source apportionment of PM

Ningning Zhang, Mazhan Zhuang, Jie Tian, Pengshan Tian, Jieru Zhang, Qiyuan Wang, Yaqing Zhou, Rujin Huang, Chongshu Zhu, Xuemin Zhang, Junji Cao

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0879-1

Abstract: Local source profiles of major PM sources were developed.Source apportionment was conducted using CMB model.Local source samples were obtained from coal burning power plants, industries, motor vehicles, biomassburning, fugitive dust, and sea salt for the source apportionment studies.and the source profiles.

Keywords： PM2.5     Source profile     Source apportionment     CMB     Xiamen    

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Study on the Carbon Sink Function of Crop Production in Typical Agricultural Areas of China

She Wei,Huang Huang,Guan Chunyun,Chen Fu and Chen Guanghui

Strategic Study of CAE 2016, Volume 18, Issue 1,   Pages 106-113 doi: 10.15302/J-SSCAE-2016.01.013

Abstract: The research on the carbon sink function of crop production in China’s typical agricultural areasThe carbon sinks of different crops in the same area differ greatly, and the carbon sink of the sameThe national annual reserve of soil organic carbon can be generally embodied in its carbon sink as well

Keywords： crops production     measurcs of carbon sequestration and emission reduction     carbon sink    

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The source and transport of bioaerosols in the air: A review

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-020-1336-8

Abstract:

• Emission of microbe from local environments is a main source of bioaerosols

Keywords： Bioaerosols     Diffusion     Source identification     Biogeography    

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The Current Carbon Sink Structure of China’s Staple Crop Production and Its Optimization Approach

She Wei,Huang Huang,Guan Chunyun,Chen Fu and Chen Guanghui

Strategic Study of CAE 2016, Volume 18, Issue 1,   Pages 114-122 doi: 10.15302/J-SSCAE-2016.01.014

Abstract: The carbon sink function of crops has an important regulating effect on climate changes.Actually the production of crops can be seen as the carbon source as well as the carbon sink.relevant carbon emission parameters of the staple crop production system in China, estimate the carbon sinkthe low-carbon agriculture planning and policies and proposes the approach to optimizing the carbon sink

Keywords： crop     carbon sink     carbon emission     optimization ways    

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δN-stable isotope analysis of NH: An overview on analytical measurements, source sampling and its source

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1414-6

Abstract:

• Challenges in sampling of NH3 sources for d15N analysis are highlighted.

Keywords： Aerosol ammonium     Atmospheric gaseous ammonia     Isotope fingerprinting     Isotope-based source apportionment    

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Fault tolerant control strategy for modular PWM current source inverter

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 228-238 doi: 10.1007/s11708-022-0852-6

Abstract: control method for an input-series output-parallel modular grid-tied pulse-width modulation (PWM) current source

Keywords： current source converter (CSC)     fault-tolerant control     space vector modulation     active damping     resonance    

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Title Author Date Type Operation

CO capture and sequestration source-sink match optimization in Jing-Jin-Ji region of China

Zhong ZHENG , Dan GAO , Linwei MA , Zheng LI , Weidou NI ,

Journal Article

Effects of radiation and heat source/sink on unsteady MHD boundary layer flow and heat transfer over

Krishnendu Bhattacharyya

Journal Article

Construction and Application of a Regional Kilometer-Scale Carbon Source and Sink Assimilation Inversion

Lifeng Guo,Xiaoye Zhang,Junting Zhong,Deying Wang,Changhong Miao,Licheng Zhao,Zijiang Zhou,Jie Liao,Bo Hu,Lingyun Zhu,Yan Chen,

Journal Article

Heat-spreading analysis of a heat sink base embedded with a heat pipe

B. V. BORGMEYER, H. B. MA,

Journal Article

The Assessment of the Impacts of Land Use Change on the Ecosystem Carbon Sink

Wu Jianguo,Zhang Xiaoquan,Xu Deying

Journal Article

Research on low carbon management using a scientific classification method

Shanna QI, Meiting JU, Meng DUAN, Wei XING

Journal Article

Strategy for Carbon Sink and Its Amplification in Marine Fisheries

Tang Qisheng and Liu Hui

Journal Article

Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

Journal Article

Flow and thermal modeling of liquid metal in expanded microchannel heat sink

Journal Article

Development of source profiles and their application in source apportionment of PM

Ningning Zhang, Mazhan Zhuang, Jie Tian, Pengshan Tian, Jieru Zhang, Qiyuan Wang, Yaqing Zhou, Rujin Huang, Chongshu Zhu, Xuemin Zhang, Junji Cao

Journal Article

Study on the Carbon Sink Function of Crop Production in Typical Agricultural Areas of China

She Wei,Huang Huang,Guan Chunyun,Chen Fu and Chen Guanghui

Journal Article

The source and transport of bioaerosols in the air: A review

Journal Article

The Current Carbon Sink Structure of China’s Staple Crop Production and Its Optimization Approach

She Wei,Huang Huang,Guan Chunyun,Chen Fu and Chen Guanghui

Journal Article

δN-stable isotope analysis of NH: An overview on analytical measurements, source sampling and its source

Journal Article

Fault tolerant control strategy for modular PWM current source inverter

Journal Article