Search Results - "Louie, Peter K. K."

Quantitative impacts of meteorology and precursor emission changes on the long-term trend of ambient ozone over the Pearl River Delta, China, and implications for ozone control strategy by Yang, Leifeng, Luo, Huihong, Yuan, Zibing, Zheng, Junyu, Huang, Zhijiong, Li, Cheng, Lin, Xiaohua, Louie, Peter K. K, Chen, Duohong, Bian, Yahui

“…China is experiencing increasingly serious ambient ozone pollution, including the economically developed Pearl River Delta (PRD) region. However, the…”
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Ambient Ozone Control in a Photochemically Active Region: Short-Term Despiking or Long-Term Attainment? by Ou, Jiamin, Yuan, Zibing, Zheng, Junyu, Huang, Zhijiong, Shao, Min, Li, Zekun, Huang, Xiaobo, Guo, Hai, Louie, Peter K. K

“…China has made significant progress decreasing the ambient concentrations of most air pollutants, but ozone (O3) is an exception. O3 mixing ratios during…”
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Atmospheric pollution from ships and its impact on local air quality at a port site in Shanghai by Wang, Xinning, Shen, Yin, Lin, Yanfen, Pan, Jun, Zhang, Yan, Louie, Peter K. K, Li, Mei, Fu, Qingyan

“…Growing shipping activities in port areas have generated negative impacts on climate, air quality and human health. To better evaluate the environmental impact…”
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Increasing External Effects Negate Local Efforts to Control Ozone Air Pollution: A Case Study of Hong Kong and Implications for Other Chinese Cities by Xue, Likun, Wang, Tao, Louie, Peter K. K, Luk, Connie W. Y, Blake, Donald R, Xu, Zheng

“…It is challenging to reduce ground-level ozone (O3) pollution at a given locale, due in part to the contributions of both local and distant sources. We present…”
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Role of export industries on ozone pollution and its precursors in China by Ou, Jiamin, Huang, Zhijiong, Klimont, Zbigniew, Jia, Guanglin, Zhang, Shaohui, Li, Cheng, Meng, Jing, Mi, Zhifu, Zheng, Heran, Shan, Yuli, Louie, Peter K. K., Zheng, Junyu, Guan, Dabo

“…This study seeks to estimate how global supply chain relocates emissions of tropospheric ozone precursors and its impacts in shaping ozone formation. Here we…”
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Oxidative capacity and radical chemistry in the polluted atmosphere of Hong Kong and Pearl River Delta region: analysis of a severe photochemical smog episode by Xue, Likun, Gu, Rongrong, Wang, Tao, Wang, Xinfeng, Saunders, Sandra, Blake, Donald, Louie, Peter K. K, Luk, Connie W. Y, Simpson, Isobel, Xu, Zheng, Wang, Zhe, Gao, Yuan, Lee, Shuncheng, Mellouki, Abdelwahid, Wang, Wenxing

“…We analyze a photochemical smog episode to understand the oxidative capacity and radical chemistry of the polluted atmosphere in Hong Kong and the Pearl River…”
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Characteristics and health impacts of VOCs and carbonyls associated with residential cooking activities in Hong Kong by Huang, Yu, Ho, Steven Sai Hang, Ho, Kin Fai, Lee, Shun Cheng, Yu, Jian Zhen, Louie, Peter K.K.

“…Cooking emission samples collected in two residential kitchens were compared where towngas (denoted as dwelling A) and liquefied petroleum gas (LPG) (denoted…”
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Observations of nitryl chloride and modeling its source and effect on ozone in the planetary boundary layer of southern China by Wang, Tao, Tham, Yee Jun, Xue, Likun, Li, Qinyi, Zha, Qiaozhi, Wang, Zhe, Poon, Steven C. N., Dubé, William P., Blake, Donald R., Louie, Peter K. K., Luk, Connie W. Y., Tsui, Wilson, Brown, Steven S.

“…Nitryl chloride (ClNO2) plays potentially important roles in atmospheric chemistry, but its abundance and effect are not fully understood due to the small…”
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Characteristics of submicron particulate matter at the urban roadside in downtown Hong Kong-Overview of 4 months of continuous high-resolution aerosol mass spectrometer measurements by Lee, Berto P., Li, Yong Jie, Yu, Jian Zhen, Louie, Peter K. K., Chan, Chak K.

“…Hong Kong, one of the world's most densely populated cities and an international financial center, has been suffering from traffic‐related air pollution. This…”
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Source apportionment of ambient volatile organic compounds in Hong Kong by Lau, Alexis Kai Hon, Yuan, Zibing, Yu, Jian Zhen, Louie, Peter K.K.

“…Volatile organic compounds (VOCs) were measured at four stations with different environments in Hong Kong (HK) during two sampling campaigns. Positive matrix…”
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Impact Analysis of Temperature and Humidity Conditions on Electrochemical Sensor Response in Ambient Air Quality Monitoring by Wei, Peng, Ning, Zhi, Ye, Sheng, Sun, Li, Yang, Fenhuan, Wong, Ka Chun, Westerdahl, Dane, Louie, Peter K K

“…The increasing applications of low-cost air sensors promises more convenient and cost-effective systems for air monitoring in many places and under many…”
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Short-Term Associations of Cause-Specific Emergency Hospitalizations and Particulate Matter Chemical Components in Hong Kong by Pun, Vivian Chit, Yu, Ignatius Tak-Sun, Qiu, Hong, Ho, Kin-Fai, Sun, Zhiwei, Louie, Peter K.K., Wong, Tze Wai, Tian, Linwei

“…Despite an increasing number of recent studies, the overall epidemiologic evidence associating specific particulate matter chemical components with health…”
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Solar-powered air quality monitor applied under subtropical conditions in Hong Kong: Performance evaluation and application for pollution source tracking by Wei, Peng, Ning, Zhi, Westerdahl, Dane, Fat Lam, Yun, Louie, Peter.K.K., Sharpe, Robert, Williams, Ronald, Hagler, Gayle

“…Air monitoring is desirable in many places to understand dynamic pollution trends and sources and improve knowledge of population exposure. While highly…”
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Atmospheric Peroxides in a Polluted Subtropical Environment: Seasonal Variation, Sources and Sinks, and Importance of Heterogeneous Processes by Guo, Jia, Tilgner, Andreas, Yeung, Chungpong, Wang, Zhe, Louie, Peter K. K, Luk, Connie W. Y, Xu, Zheng, Yuan, Chao, Gao, Yuan, Poon, Steven, Herrmann, Hartmut, Lee, Shuncheng, Lam, Ka Se, Wang, Tao

“…Hydrogen peroxide (H2O2) and organic peroxides play an important role in atmospheric chemistry, but knowledge of their abundances, sources, and sinks from…”
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Tethered balloon-based black carbon profiles within the lower troposphere of Shanghai in the 2013 East China smog by Li, Juan, Fu, Qingyan, Huo, Juntao, Wang, Dongfang, Yang, Wen, Bian, Qinggen, Duan, Yusen, Zhang, Yihua, Pan, Jun, Lin, Yanfen, Huang, Kan, Bai, Zhipeng, Wang, Sheng-Hsiang, Fu, Joshua S., Louie, Peter K.K.

“…A Tethered balloon-based field campaign was launched for the vertical observation of air pollutants within the lower troposphere of 1000 m for the first time…”
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Sources and atmospheric processes impacting oxalate at a suburban coastal site in Hong Kong: Insights inferred from 1year hourly measurements by Zhou, Yang, Huang, Xiaohui Hilda, Bian, Qijing, Griffith, Stephen M, Louie, Peter KK, Yu, Jian Zhen

“…Oxalic acid is one of the most abundant dicarboxylic acids in the atmosphere, receiving a great deal of attention due to its potential influence on cloud…”
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Effectiveness of replacing catalytic converters in LPG-fueled vehicles in Hong Kong by Lyu, Xiaopu, Guo, Hai, Simpson, Isobel J, Meinardi, Simone, Louie, Peter K. K, Ling, Zhenhao, Wang, Yu, Liu, Ming, Luk, Connie W. Y, Wang, Nan, Blake, Donald R

“…Many taxis and public buses are powered by liquefied petroleum gas (LPG) in Hong Kong. With more vehicles using LPG, they have become the major contributor to…”
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Ambient Carbon Monoxide and the Risk of Hospitalization Due to Chronic Obstructive Pulmonary Disease by LINWEI TIAN, HO, Kin-fai, TONG WANG, HONG QIU, PUN, Vivian C, CHI SING CHAN, LOUIE, Peter K. K, YU, Ignatius T. S

“…Data from recent experimental and clinical studies have indicated that lower concentrations of inhaled carbon monoxide might have beneficial antiinflammatory…”
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Development and Application of a Next Generation Air Sensor Network for the Hong Kong Marathon 2015 Air Quality Monitoring by Sun, Li, Wong, Ka Chun, Wei, Peng, Ye, Sheng, Huang, Hao, Yang, Fenhuan, Westerdahl, Dane, Louie, Peter K K, Luk, Connie W Y, Ning, Zhi

“…This study presents the development and evaluation of a next generation air monitoring system with both laboratory and field tests. A multi-parameter algorithm…”
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Large conversion rates of NO2 to HNO2 observed in air masses from the South China Sea: Evidence of strong production at sea surface? by Zha, Qiaozhi, Xue, Likun, Wang, Tao, Xu, Zheng, Yeung, Chungpong, Louie, Peter K. K., Luk, Connie W. Y.

“…Nitrous acid (HONO) plays important roles in tropospheric chemistry, but its source(s) are not completely understood. Here we analyze measurements of HONO,…”
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