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| 1 | Photochemical pollution in Lanzhou, China - A case study显示文摘The photochemical air pollution in Xigu district of Lanshou city, Gansu Province was studied during a period of 1981-1984. The extremely high NMHC/NOx ratio and ozone level elevation after rain have been noticed. A series of outdoor and indoor reaction chamber simulation experiments conducted in order to understand the specific conditions. The ozone formation under NMHC/NOx condition and the possible reason for high ozone concentration after rain are discussed. | Tang Xiaoyan , Li Jinglong, Dong ZhenXing, Wang Yuying,Wang Wenxing , Qi Liwen, Liu Xiling, Zhang Yutian, Zhang Xuejin,Tian Bingshen, Jin Suwen , Yang Lingqing and Zhang Yixin Department of Technical Physics,Peking University, Beijing, China. Chinese Reaearch Academy of Eavironmental Sciences, Beijing,China. Gansu Provincial Environmental Research Institute, Lanshou, China. Lanshou Petrochemical Engineering Institute, Lanshou, China. | 1989 | Journal of Environmental Sciences1989，1，1： | 15 |
| 2 | The long-term simulation of surface SO_2 and evaluation of contributions from the different emission sources to Beijing city显示文摘With a high-resolution SO2 emission inventory categorized by industries and seasons for Beijing city and gridded meteorological data fields from NCEP, the pollution dispersion model, HYSPLIT4 (Hybrid Single Particulate Lagrangian Integrated Trajectory, version 4), is used to determine the day-to-day variation of surface SO2 in Beijing for 2000 and 2001. Furthermore,the contributions of different emission sources in and around Beijing to the surface SO2 are studied. As shown in comparison with observations, the model does well in simulating the daily variation and seasonal distribution. The model computation of the annual source contributions to Beijing surface SO2 indicates that local emissions from the city give the largest contribution and the sources from the surrounding regions contribute only about 20%. During SO2 polluted or unpolluted days, the contribution from the latter can exceed 30%, and depending upon weather conditions, the contribution may exceed 40%. If the emissions from the surrounding sources during the winter heating season are assumed to be doubled in intensity, their contribution to surface SO2 in Beijing increased from 21% to 35% and 25% to 40% in 2000 and 2001, respectively. Evaluation of 7 types of emission sources identified for Beijing for their relative contribution to the concentration of surface SO2 has shown that area emissions by industrial production and furnaces, though discharging relatively small amounts (less than 1/3 of the total), have the largest contribution to the urban surface SO2, which is the key to the mitigation of the pollutant in the city. | Roland Draxler | 2005 | Science China Earth Sciences2005，48，z2： | 6 |
| 3 | Main pollution sources of central Arctic revealed by lead and its isotopic ratios recorded in snow显示文摘The spatial distribution and environmental significance of Pb and its stable isotope ratios in central Arctic snow are discussed. The shear zone is a dividing line. The concentration of Pb in the south section is higher than that of the north section, and in the shear zone it is close to that of sea salt. Anthropogenic Pb by calculation is larger than 99%. Its main sources are polluted air masses origi nation from Europe and the midpart of Russia, as well as the western North America and far east Russia. This is also conformed by 206Pb/ 207Pb. | Cunde Xiao Dahe Qin Yuefang Li Jiawen Ren | 1998 | Chinese Science Bulletin1998，43，10： | 4 |
| 4 | Complex sources of air-soil-water pollution processes in the Miyun reservoir region显示文摘The comprehensive impact of atmospheric dry deposition and wet deposition and the pollution sources of farmlands, mining areas, and towns along the Baihe River on the water quality of Miyun reservoir is investigated from the angle of the complex sources of air-soil-water pollution processes, in the context of the 1990-2001 precipitation chemical data at Shangdianzi station--a WMO regional background air pollution monitoring station 15 km far from the Miyun reservoir, in conjunction with the atmospheric dry deposition and wet deposition data of the 2002-2003 Beijing City Air Pollution Observation Field Experiment (BECAPEX). Analysis results suggest that the major ions in precipitation in the Miyun reservoir region in this period were SO, NO, NH and Ca2+; wet acid deposition quantity of Miyun reservoir in the summer half year (April to September) was greater than the quantity in the winter half year (October to March), and the annual wet acid deposition in the reservoir exhibited a rising trend with the mean 1038.45 t, the maximum 1766.31 t occurred in 1996, and the minimum 604.02 t in 1994; the long-term averaged pH of atmospheric precipitation in the Miyun reservoir region was 5.20, i.e. weakly acidic, and the interannual variation of pH values displayed a falling trend. pH values of water body at various depths in the Miyun reservoir were all greater than 7.0, but they exhibited vertical and horizontal nonhomogeneity, and at the same region pH decreased vertically with depth; the 2002 and 2003 annual dustfalls in the Miyun reservoir were 13513.08 t and 3577.64 t, respectively, and the spring dustfall was the number one in a year, accounting for the 61.91% and 44.56% of the annual totals of 2002 and 2003, respectively. Because the atmospheric dry deposition and wet depositions contain multiple types heavy metal elements and harmful elements, they to some extent exacerbated the eutrophication, acidification and potential heavy metal pollution of the reservoir water. The above comprehensive analysis results reveal the complex source characters of the air-soil-water pollution process and the multi-sphere interaction effect. Besides, summer (rainy season) is a season when local soil pollutants enter the water system of reservoir after being washed out by torrential rain or heavy precipitation, which starts the air-soil- water chaining pollution processes, and results in the water pollution of rivers and reservoirs. It is found from the statistical analysis in this paper that the water pollution of Miyun reservoir was correlated with the rain wash-out and confluent flow in the peripheral and upstream local region of the reservoir, and the pollutant concentration of the reservoir water was significantly correlated with the upstream local region precipitation. Those correlation characters reveal the effect of the air-soil-water multi-spheric interaction of reservoir water pollution process. This paper presents the point of view of the complex source analysis of reservoir water pollution and a technical approach for tracing the spatial distribution of the upstream pollution source of the water systems of reservoir. | YANG Dongzhen, XU Xiangde, LIU Xiaoduan, XU Qing, DING Guoan, CHENG Xinghong, CHEN Huailiang, ZHOU Huaigang, WANG Zhenfa, WANG Wenyan Key Laboratory of Atmospheric Chemistry, Center for Atmosphere Watch and Services, Chinese Academy of Meteorological Sciences, CMA, Beijing 100081, China Key Laboratory of Meteorological Disasters, CAMS, Beijing 100081, China National Center for Geological Testing, Beijing 100037, China Meteorological Bureau of Henan Province, Zhenzhou 450000, China Shangdianzi Background Atmospheric Pollution Observation Station, Miyun County, Beijing 101507, China | 2005 | Science China Earth Sciences2005，48，z2： | 4 |
| 5 | Traffic emission and its impact on air quality in Guangzhou area显示文摘A comprehensive field measurement was set up in Guangzhou City of China and the key was placed on NO\-x and O\-3 pollution. The results indicated that the average driving speed of vehicle was only 14 km/h in downtown with high frequency of idle and acceleration. Upward fluxes of CO and NO were observed in Dongfeng Street. NO\-x annual mean concentration in urban area increased year by year, and NO\-x was identified as the most important pollutant since 1995. Photochemical smog pollution was serious in general, spatial and seasonal distribution of O\-3 was observed. O\-3 concentration was kept in a high level in autumn, and its formation was restrained in summer due to frequent thunderstorm and high humidity. The numerical simulation showed the average concentration and maximum concentration of O\-3 would increase 60%—100% if vehicular emission increased 100% in Guangzhou. | Zhang Yuan\|hang, Xie Shao\|dong, Zeng Li\|min, Wang Hui\|xiang Laboratory of Atmospheric Environmental Simulation, ESPC, Center of Environmental Sciences, Peking University, Beijing 100871, China Yu Kai\|heng, Zhu Chang\|jian, Pan Nan\|ming, Wang | 1999 | Journal of Environmental Sciences1999，11，3： | 3 |
| 6 | Thallium pollution associated with mining of thallium deposits显示文摘Thallium pollution and poisoning have been found in mining istricts of thallium deposits as a result of introduction of thallium into surface waters, soils, plants and human body owing to weathering and leaching of Tl\|rich ores and rocks left in the open air. Waters in these mining districts are divided into four types according to their Tl contents and concentration of less than 1×10 -9 is proposed as thallium standard for drinking water. | 张忠 张宝贵 龙江平 张兴茂 陈国丽 | 1998 | Science China Earth Sciences1998，41，1： | 3 |
| 7 | Global pollution shown by lead and cadmium contents in precipitation of polar regions and Qinghai-Tibetan Plateau显示文摘The analysis of the major ions, lead and cadmium has been performed for snow-pit samples collected from the Arctic, the Qinghai-Tibetan Plateau and the Antarctic Ice Sheet. These snow pits were excavated respectively from the snowpack in Canadian Northwest Territory (NWT) and the central Arctic, three glaciers on the Qinghai-Tibetan Plateau and surface snow along the route of the International Trans-Antarctic Expedition (ITAE). The source regions for the lead pollution of central Arctic have been identified by analyzing of stable lead isotopic ratios, meteorological and atmospheric chemistry studies. It shows that the central Arctic is still under intensive lead input, despite the fact that lead content in Greenland Ice Sheet displays a rapid decreasing since the 1970s due to US and some European countries’ campaigns to reduce lead-containing gasoline-additives. This is because there are multiple lead sources for the central Arctic, including the countries that have not performed gasoline-additives | Cunde Xiao Dahe Qin Tandong Yao Jiawen Ren Yuefang Li | 2000 | Chinese Science Bulletin2000，45，9： | 3 |
| 8 | Developing sediment quality criteria for heavy metal pollution in the Le An River with equilibrium partitioning approach显示文摘1IntroductionActingasrepositoryorsourceofvariouscontaminantsunderdiferentconditions,problemsedimentsmaythreatentheaquaticorga... | Liu Wen xin, Tang Hong xiao Research Center for Eco Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China | 1998 | Journal of Environmental Sciences1998，10，4： | 2 |
| 9 | The Lanmuchang Tl deposit and its environmental geochemistry显示文摘Tl is a dispersed element and it seldom occurs in the form of independent minerals. The world annual production of Tl is about 13 ton, most of which is by-product separated from non-ferrous metal products. Lanmuchang is the only large-size independent Tl deposit in the world. Bio-enrichment and hydrothermal reworking are the two important metallogenic mechanisms of this Tl deposit. Samples of plant and animal organs and villagers’ urine as well as hair and nail (toenail) samples from the Tl mining district were analyzed. Analytical results showed that the contents of Tl, Hg and As are high, suggesting that the residents and villagers in the mining district have been affected by Ti-Hg pollution, and on the other hand, they can serve as the guidelines for ore prospecting. The contents of Tl, Hg, and As in human beings and other organic bodies depend largely on the background values of these metals in rock, ore, soil and water. | 张忠 陈国立 张宝贵 陈业才 张兴茂 | 2000 | Science China Earth Sciences2000，43，1： | 2 |
| 10 | Problems of environmental protection and ecology on Bangladesh显示文摘The paper deals with the characteristics of Bangladesh basin including river morphology, rain fall pattern, cyclonic storms, forests and coastal area environment and ecosystem. It deals with factors which contribute to floods both natural and man-induced. The paper does with pollution problems including land and water use and indicates briefly policy measures and strategy adopted by government to combat problems of environment and ecology in Bangladesh. | S.D.Chaudhuri | 1990 | Journal of Environmental Sciences1990，2，2： | 1 |
| 11 | Distribution of total mercury in surface sediments and African catfish(Clarias gariepinus)from Akaki River catchment and Aba Samuel Reservoir,downstream to the mega-city Addis Ababa,Ethiopia显示文摘Total mercury(THg)levels were determined in sediment(n=22)and muscle of Clarias gariepinus(n=36)in dry and rainy seasons from Akaki River catchment and Aba Samuel Reservoir,Ethiopia in 2016-2017.The analyses of THg were performed using cold vapor-atomic absorption spectrometer(CV-AAS)after acid digestion technique.The relationship of THg levels to size of the fish has also been investigated.The THg levels in sediments range from 9.5e43.8 mg/kg dry wt in the dry and 20.6e175.4 mg/kg dry wt in the rainy seasons.This study indicated that the levels of THg in sediments varies spatially and seasonally.In both seasons,THg levels increased from upstream to downstream areas,revealing increased anthropogenic inputs of mercury pollution.It was also found that the THg concentrations in all the sediment samples were below the US EPA guideline value of 200 mg/kg dry wt.The THg levels in Clarias gariepinus were in the range from 360e924 mg/kg dry wt in the dry and 325e1233 mg/kg dry wt in the rainy seasons,and had positive relationship to the total length and body weight.The THg concentrations found in Clarias gariepinus were within the acceptable guidelines of the FAO/WHO.Therefore,the muscle of Clarias gariepinus from the study area is not hazardous to human health with respect to mercury.However,the average value of THg seems to be slightly higher than results reported from other Ethiopian freshwater bodies.Thus,monitoring of mercury species in sediment and different organs of fish are strongly recommended. | Alemnew Berhanu Kassegne Jonathan O.Okonkwo Tarekegn Berhanu Esho Kebede Nigussie Mekonnen Tshia Malehase Seyoum Leta Asfaw | 2018 | Emerging Contaminants2018，4，1： | 0 |
| 12 | Development and experience in the monitoring,assessment and control of environmentalpollutants in Hong Kong显示文摘The late start of environmental protection in Hong Kong was discussed in the light of problems encountered during the development of environmental protection legislation in Hong Kong for the past 20 years. The collaboration in monitoring and assessment of environmental pollutants between the University of Hong Kong and various governments were descrbed in parallel with the progress in environmental protection in Hong Kong. The developments of new analytical techniques for environmental monitoring and analysis is given and their application in environmental control described. The joint projects in assessment and control of environmental pollutants carried out in collaboration with local industries and other organizations within and without the university are given and discussed. The problems and possible solution facing Hong Kong in development control equipment for small scale industries are discussed and areas of development identified. The development and experience in the monitoring assessment and | Feng Yingsheng(Y.S.Fung)Deparnent of Chemistry,University of Hong Kong,Hong Kong | 1991 | Journal of Environmental Sciences1991，3，2： | 0 |
| 13 | On the State of the Soil Microflora in the Areas Separating from Launch Vehicle in Central Kazakhstan显示文摘The results of the comparative analysis of physical, chemical and biological characteristics of the soil cover at the sites of the first stage of the proton launch vehicle (LV) fall in the Yu-2 zone (Central Kazakhstan) are presented. Conclusions are made about the increased sensitivity of the microflora of brown, mostly solonetzic soils to mechanical and chemical loads during the fall of the separating parts of space rockets. Lack of moisture, increased carbonate content and density of saline in the upper horizons complicate the restoration of the disturbed fertile soil layer even 10 years after the impact of rocket and space activities (SRA). | Zhubatov Zh Stepanova Ye.Yu Bekeshev E.A Toktar М Omaraly A Atygayev Anuar Bulatovich | 2018 | Journal of Life Sciences2018，12，5： | 0 |
| 14 | PREDICTION AND EVALUATION OF POLLUTION OF URBAN TRAFFIC NOISE IN CHINA显示文摘The medium/long term prediction of urban traffic noise and evaluation of noisepollution in 'macroscopic' way using computer are new research work in China. Inthis paper, some investigations, including the methods of predicting and evaluatingurban traffic pollution, have been repotted. Models for vehicles’ flow and propagationof noise in urban areas have been set up. Finally, a set of computer programs forthese purposes is given. Models and computer program have been tested in more than70 cities of China. It is proved that they can be used in medium/long term predictionof urban traffic noise pollution in China, and they are also of great values in evalu-ating the extent of urban traffic noise pollution. | 方丹群 刘克 陈潜 | 1989 | Science China Mathematics1989，32，1： | 0 |
| 15 | Effects of Poisonous and Harmful Elements Brought about by Coal Mining on Water Environment in Zibo Coal Mine, Shandong Province, China显示文摘Coal resources are very abundant in Zibo, Shandong Province, China. A lot of mining sewages are discharged during the coal mining. The mining sewage is characterized by high ρ (SO 2- 4 ), hardness and totally dissolved solids (TDS). Mining sewage in the southern Zibo is acidic, where heavy metals and benzene are detected. The Xiaofu River is polluted when mining sewage flows into it, so that the Mengshan Reservoir is polluted by Xiaofu River. The groundwater is polluted in Zichuan by the leaking of the Xiaofu River. The polluted Xiaofu River is thus used to irrigate the farmland in Mashang Mengshui zone. The irrigation water affects the quality of shallow groundwater. The laboratory soil column test shows that SO 2- 4, Cl -, Ca 2+ and Mg 2+ can migrate through vadose soil, especially SO 2- 4 and Cl -. | Shen Zhaoli Zhang Jianli He Jiangtao Zhong Zuoshen Tang Minggao Department of Water Resources and Environments, China University of Geosciences, Beijing 100083, China | 2000 | Journal of Earth Science2000，19，3： | 0 |
| 16 | The Rise Of Electric Vehicles显示文摘Ethiopia ambitious to expand its carbon emission-free transport system Electric vehicles (EVs) are seeing a promising start in Ethiopia, where used automobile imports contribute to the biggest volume of air pollution. For countries like Ethiopia, the benefts of EVs go beyond simply reducing carbon emissions;they can in fact be seen in cutting a sizeable chunk of foreign exchange spending on fuel and used vehicle imports. | KIRAM TADESSE | 2022 | ChinAfrica2022，14，12： | 0 |
| 17 | 生态补偿显示文摘In broad terms,three types of ecological compensation havebeen devised:rewarding protectionof theecosystem andnaturalresources,compensating losses caused bydamage to the ecosystem and natural resources,and chargingforenvironmental pollution. | Li zhuoxi | 2020 | China Pictorial2020，，1： | 0 |
| 18 | ^(57)Fe Mssbauer spectroscopic study on the barks of several three species grown in Lanzhou, China显示文摘1IntroductionAlthoughfiltermethodisverytimeconsuming,ithasbeenemployedintheinvestigationsofaerosolsforalongtime(Kopcewicz,19... | Wang Hong liang Department of Biology,Lanzhou University, Lanzhou 730000,China Zhao Zhen jie, Li Fa shen Department of Physics,Lanzhou University,Lanzhou 730000,China | 1998 | Journal of Environmental Sciences1998，10，4： | 0 |
| 19 | Coping with the environmental effects of point-source discharges显示文摘Current methods for assessing the environmental impact of point source discharges in the United States are reviewed. The emphasis of many assessments of damage from pollution is shifting from chemical or technological standards to biological standards, i.e., the protection of biological integrity in the receiving system. The importance of integrating information from chemical measurements, toxicity tests, and field surveys in impact assessment is re-emphasized. Ways in which environmental professionals can improve methods for assessing damage from pollution and its control are discussed. | John Caims B.R.Niederlehner | 1992 | Journal of Environmental Sciences1992，4，1： | 0 |
| 20 | Characteristics of distribution of heavy metals insediment of Le An River显示文摘Heavy metals in core samples of Caijiawan and Hushan of Jiangxi Province, China were studied.The results indicated that the sediments of Caijiawan and Hushan were heavily polluted by Cu , Zn, Cd, Pb.Almost all of the elements have the similar profile shap | Li Qi (Research Center for Eco - Environmental Sciences,Chinese Academy of Sciences , BeiJing 100085 , China)Chen Shiming (Nanchang Institute of Aeronautical Technology . Nanchang 330034 , China) A. Yahya (Institute for Sedimentology, University of Heid | 1995 | Journal of Environmental Sciences1995，7，2： | 0 |
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