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| 1 | Seasonal Inhomogeneity of Soot Particles over the Central Indo-Gangetic Plains,India:Influence of Meteorology显示文摘Black carbon(BC) particles play a unique and important role in earth's climate system.BC was measured(in-situ) in the central part of the Indo-Gangetic Plains(IGP) at Varanasi,which is a highly populated and polluted region due to its topography and extensive emission sources.The annual mean BC mass concentration was 8.92 ± 7.0 μg m^(-3),with 34%of samples exceeding the average value.Seasonally,BC was highest during the post-monsoon and winter periods(approximately 18 μg m^(-3)) and lower in the premonsoon/monsoon seasons(approximately 6 μg m^(-3)).The highest frequency(approximately 46%) observed for BC mass was in the interval from 5 to 10 μg m^(-3).However,during the post-monsoon season,the most common values(approximately 23%) were between 20 and 25 μg m^(-3).The nighttime concentrations of BC were approximately twice as much as the daytime values because of lower boundary layer heights at nighttime.The Angstrom exponent was significantly positively correlated(0.55) with ground-level BC concentrations,indicating the impact of BC on the columnar aerosol properties.The estimated mean absorption Angstrom exponent was 1.02 ± 0.08 μg m^(-3),indicating that the major source of BC was from fossil fuel combustion.Significant negative correlations between BC mass and meteorological parameters indicate a pronounced effect of atmospheric dynamics on the BC mass in this region.The highest mean BC mass concentration(18.1 ± 6.9 μg m^(-3)) as a function of wind speed was under calm wind conditions(38%of the time). | SINGH B.P. TIWARI S. HOPKE Philip K. SINGH R.S. BISHT D.S. SRIVASTAVA A.K. SINGH R.K. DUMKA U.C. SINGH A.K. RAI B.N. SRIVASTAVA Manoj K. | 2015 | Journal of Meteorological Research2015，29，6： | 3 |
| 2 | Treg suppressive activity involves estrogen-dependent expression of programmed death- 1 (PD-1)显示文摘 | Polanczyk M J Hopke C Vandenbark A A | 2007 | International Immunology2007，19，3： | 1 |
| 3 | Comparison of Hybrid Receptor Models to Locate PCB Sources in Chicago显示文摘 | HSU Y K HOLSEN T M HOPKE P K | 2003 | Atmospheric Environment2003，37，4： | 1 |
| 4 | Combining Chemical and Meteorological Data to Infer Source Areas of Airborne Pollutants显示文摘 | HOPKE P K GAO N CHENG M D | 1993 | Chemometrics and Intelligent Laboratory Systems1993，19，2： | 1 |
| 5 | Understanding and controlling rotations in factor analytic models 显示文摘 | Paatero P Hopke P K Song X H | 2002 | Chemomlntell Lab Syst2002，60，： | 1 |
| 6 | Reference data sets for chemometrical methods testing显示文摘 | Hopke P K Massart D L | 1993 | Chemometrics and Intelligent Laboratory Systems1993，19，： | 1 |
| 7 | The inconspicuous penis 显示文摘 | Bergeson PS Hopk RJ Bailey RB | 1993 | Pedvatrics1993，92，6： | 1 |
| 8 | A model for frost heave includingover-burden 显示文摘 | Hopke S W | 1980 | Cold Region Science Technology1980，3，2： | 1 |
| 9 | The application of receptor modeling to air quality da- ta 显示文摘 | Hopke P K | 2010 | Pollution Atmospherique2010，，： | 1 |
| 10 | Comparison of the ef- fects of e-cigarette vapor and cigarette smoke on indoor air quality 显示文摘 | McAULEY T R HOPKE P K ZHAO J | 2012 | Inhalation Toxicology2012，24，12： | 1 |
| 11 | A study of the source of acid precipitation in Ontario, Canada 显示文摘 | Zeng Y Hopke P K | 1989 | Atmos Environ1989，23，7： | 1 |
| 12 | Methods of generating land suitability maps:A comparative evaluation显示文摘 | Hopkings L D | 1977 | American Institute of Planners1977，43，4： | 1 |
| 13 | A study of the sources of acid precipitation in Ontario, Canada 显示文摘 | ZENG Y HOPKE P | 1989 | Atmospheric Environment1989，23，： | 1 |
| 14 | Stapled esophayogastric anastomosis 显示文摘 | Hopking RA Alexander JC Postlethwait RW | 1984 | Am J Surg1984，147，3： | 1 |
| 15 | Herbivore-induced volatiles: the emission of acyclic homoterpenes from leaves of Phaseolus lunatus and Zea mays canbetriggeredbya 13-glucosidase and jasmonic acid显示文摘 | Hopke J Donath J Blechert S | 1994 | FEBS Lett1994，352，： | 1 |
| 16 | Pattern recognition of soil samples based on the microbial fatty acid contents显示文摘 | Song X-H Hopke P K Bruns M A | 1999 | Environmental Science & Technology1999，33，20： | 1 |
| 17 | Exploration of multivariate atmospheric particulate compositional data by projection pursuit 显示文摘 | Glover D M Hopke P K | 1994 | Atoms Environ1994，28，8： | 1 |
| 18 | Stapled esophayogastric anastomosis显示文摘 | Hopking RA Alexander JC Postlethwait RW | 1984 | Am J Surg1984，147，3： | 1 |
| 19 | Pattern recognition of soil samples based on the microbial fatty acid contents显示文摘 | SONG X H HOPKE P K | 1999 | Environmental Science &Technology1999，33，： | 1 |
| 20 | Urban air quality in the Asian region显示文摘 | HOPKE P K COHEN D D BEGUM B A | 2008 | Science of the Total Environment2008，404，： | 1 |
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