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| 1 | Simulation of CO_2 variations at Chinese background atmospheric monitoring stations between 2000 and 2009: Applying a CarbonTracker model显示文摘We carried out a downscaling treatment over China using the CarbonTracker numerical model,which was applied using double grid nesting technology(3°×2°over the whole globe,1°×1°over China),simulating and analyzing atmospheric CO2concentrations over 10 recent years(2000–2009).The simulation results agreed very well with observed data from four background atmospheric monitoring stations in China(The periods for which the simulation results and observed values be compared were January2000 to December 2009 for the WLG station and June 2006 to December 2009 for the SDZ,LFS,and LAN stations),giving correlation coefficients of>0.7.The high-resolution simulation data correlated slightly better than the low resolution simulation data with the observed data for three of the regions’atmospheric background stations.Further analysis of the annual,seasonal CO2concentration variations at the background stations showed that the CO2concentration increased each year over the study period,with an average annual increase of more than 5%,and annual increases of more than 7%at the Shangdianzi and Lin’an stations.Seasonal CO2variations were greater at the Longfengshan station than at the Shangdianzi or Lin’an stations.However,the CO2concentrations were higher at the Shangdianzi and Lin’an stations because they are greatly affected by human activities in the Jingjinji and Changjiang Delta economic zones.Spatial distribution in CO2concentrations and fluxes were higher in eastern than in western China. | CHENG YanLi AN XingQin YUN FangHua ZHOU LingXi LIU LiXin FANG ShuangXi XU Lin | 2013 | Chinese Science Bulletin2013,58,32: | 8 |
| 2 | Emission inventory evaluation using observations of regional atmospheric background stations of China显示文摘Any accurate simulation of regional air quality by numerical models entails accurate and up-to-date emissions data for that region.The INTEX-B2006 (I06),one of the newest emission inventories recently popularly used in China and East Asia,has been assessed using the Community Multiscale Air Quality model and observations from regional atmospheric background stations of China.Comparisons of the model results with the observations for the species SO2,NO 2,O 3 and CO from the three regional atmospheric background stations of Shangdianzi,Longfengshan and Linan show that the model can basically capture the temporal characteristics of observations such as the monthly,seasonal and diurnal variance trends.Compared to the other three species,the simulated CO values were grossly underestimated by about two-third or one-half of the observed values,related to the uncertainty in CO emissions.Compared to the other two stations,Shangdianzi had poorer simulations,especially for SO2 and CO,which partly resulted from the site location close to local emission sources from the Beijing area;and the regional inventory used was not capable of capturing the influencing factors of strong regional sources on stations.Generally,the fact that summer gave poor simulation,especially for SO2 and O 3,might partly relate to poor simulations of meteorological fields such as temperature and wind. | Xingqin An Zhaobin Sun Weili Lin Min Jin Nan Li | 2013 | Journal of Environmental Sciences2013,25,3: | 7 |
| 3 | Low-temperature solid oxide fuel cells with novel La 0.6 Sr 0.4 Co 0.8 Cu 0.2 O 3? δ perovskite cathode and functional graded anode显示文摘 | Bin Lin Jinfan Chen Yihan Ling Xiaozhen Zhang Yinzhu Jiang Ling Zhao Xingqin Liu Guangyao Meng | 2009 | Journal of Power Sources2009,,6: | 1 |
| 4 | Power Allocation for Multiuser Cooperative Communication Networks Under Relay- Selection Degree Bounds显示文摘 | Fang Haoran Lin Xingqin l_ok T M | 2012 | IEEE Transactions on Vehicular Technology2012,61,7: | 1 |
| 5 | Power-allocation for mul- tiuser-cooperative communications networks under relay-se- lection degree bounds 显示文摘 | Fang Haoran Lin Xingqin Lok T M | 2012 | IEEE Transactions on Vehicular Technology2012,61,7: | 1 |
| 6 | Influences of Meteorological Conditions on Interannual Variations of Particulate Matter Pollution during Winter in the Beijing–Tianjin–Hebei Area显示文摘To investigate the interannual variations of particulate matter(PM) pollution in winter, this paper examines the pollution characteristics of PM with aerodynamic diameters of less than 2.5 and 10 μm(i.e., PM_(2.5) and PM10), and their relationship to meteorological conditions over the Beijing municipality, Tianjin municipality, and Hebei Province—an area called Jing–Jin–Ji(JJJ, hereinafter)—in December 2013–16. The meteorological conditions during this period are also analyzed. The regional average concentrations of PM_(2.5)(PM10) over the JJJ area during this period were 148.6(236.4), 100.1(166.4), 140.5(204.5), and 141.7(203.1) μg m^(–3), respectively. The high occurrence frequencies of cold air outbreaks, a strong Siberian high, high wind speeds and boundary layer height, and low temperature and relative humidity, were direct meteorological causes of the low PM concentration in December 2014. A combined analysis of PM pollution and meteorological conditions implied that control measures have resulted in an effective improvement in air quality. Using the same emissions inventory in December 2013–16, a modeling analysis showed emissions of PM_(2.5) to decrease by 12.7%, 8.6%, and 8.3% in December 2014, 2015, and 2016, respectively,each compared with the previous year, over the JJJ area. | Jianjun HE Sunling GONG Hongli LIU Xingqin AN Ye YU Suping ZHAO Lin WU Congbo SONG Chunhong ZHOU Jie WANG Chengmei YIN Lijuan YU | 2017 | Journal of Meteorological Research2017,31,6: | 0 |