Search Results - "Simpas, James"

On the nature of sea salt aerosol at a coastal megacity: Insights from Manila, Philippines in Southeast Asia by AzadiAghdam, Mojtaba, Braun, Rachel A., Edwards, Eva-Lou, Bañaga, Paola Angela, Cruz, Melliza Templonuevo, Betito, Grace, Cambaliza, Maria Obiminda, Dadashazar, Hossein, Lorenzo, Genevieve Rose, Ma, Lin, MacDonald, Alexander B., Nguyen, Phu, Simpas, James Bernard, Stahl, Connor, Sorooshian, Armin

“…This study utilizes multiple aerosol datasets collected in Metro Manila, Philippines to investigate sea salt aerosol characteristics. This coastal megacity…”
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Long-range aerosol transport and impacts on size-resolved aerosol composition in Metro Manila, Philippines by Braun, Rachel A, Aghdam, Mojtaba Azadi, Bañaga, Paola Angela, Betito, Grace, Cambaliza, Maria Obiminda, Cruz, Melliza Templonuevo, Lorenzo, Genevieve Rose, MacDonald, Alexander B, Simpas, James Bernard, Stahl, Connor, Sorooshian, Armin

“…This study analyzes long-range transport of aerosol and aerosol chemical characteristics based on instances of high- and low-aerosol-loading events determined…”
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Measurement report: Long-range transport patterns into the tropical northwest Pacific during the CAMP2Ex aircraft campaign: chemical composition, size distributions, and the impact of convection by Hilario, Miguel Ricardo A, Crosbie, Ewan, Shook, Michael, Reid, Jeffrey S, Maria Obiminda L Cambaliza, Simpas, James Bernard B, Ziemba, Luke, DiGangi, Joshua P, Diskin, Glenn S, Nguyen, Phu, Turk, F Joseph, Winstead, Edward, Robinson, Claire E, Wang, Jian, Zhang, Jiaoshi, Wang, Yang, Yoon, Subin, Flynn, James, Alvarez, Sergio L, Behrangi, Ali, Sorooshian, Armin

“…The tropical Northwest Pacific (TNWP) is a receptor for pollution sources throughout Asia and is highly susceptible to climate change, making it imperative to…”
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Measurement report: Firework impacts on air quality in Metro Manila, Philippines, during the 2019 New Year revelry by Lorenzo, Genevieve Rose, Bañaga, Paola Angela, Cambaliza, Maria Obiminda, Cruz, Melliza Templonuevo, AzadiAghdam, Mojtaba, Arellano, Avelino, Betito, Grace, Braun, Rachel, Corral, Andrea F, Dadashazar, Hossein, Edwards, Eva-Lou, Eloranta, Edwin, Holz, Robert, Leung, Gabrielle, Ma, Lin, MacDonald, Alexander B, Reid, Jeffrey S, Simpas, James Bernard, Stahl, Connor, Visaga, Shane Marie, Sorooshian, Armin

“…Fireworks degrade air quality, reduce visibility, alter atmospheric chemistry, and cause short-term adverse health effects. However, there have not been any…”
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Investigating size-segregated sources of elemental composition of particulate matter in the South China Sea during the 2011 Vasco cruise by Hilario, Miguel Ricardo A, Cruz, Melliza T, Cambaliza, Maria Obiminda L, Reid, Jeffrey S, Xian, Peng, Simpas, James B, Lagrosas, Nofel D, Uy, Sherdon Niño Y, Cliff, Steve, Zhao, Yongjing

“…The South China Sea (SCS) is a receptor of numerous natural and anthropogenic aerosol species from throughout greater Asia. A combination of several developing…”
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Quantifying the influence of updated land use/land cover in simulating urban climate: A case study of Metro Manila, Philippines by Llorin, Alyssa Gewell A., Olaguera, Lyndon Mark P., Magnaye, Angela Monina T., Cruz, Faye Abigail T., Dado, Julie Mae B., Gozo, Emilio C., Topacio, Xzann Garry Vincent M., Uy, Sherdon Niño Y., Simpas, James Bernard B., Villarin, Jose Ramon T.

“…This study quantifies the impact of using an updated Land Use/Land Cover (LULC) dataset in the Weather Research and Forecasting (WRF) model on simulating…”
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Sources and characteristics of size-resolved particulate organic acids and methanesulfonate in a coastal megacity: Manila, Philippines by Stahl, Connor, Cruz, Melliza Templonuevo, Bañaga, Paola Angela, Betito, Grace, Braun, Rachel A, Aghdam, Mojtaba Azadi, Cambaliza, Maria Obiminda, Lorenzo, Genevieve Rose, MacDonald, Alexander B, Hilario, Miguel Ricardo A, Pabroa, Preciosa Corazon, Yee, John Robin, Simpas, James Bernard, Sorooshian, Armin

“…A 16-month (July 2018–October 2019) dataset of size-resolved aerosol composition is used to examine the sources and characteristics of five organic acids…”
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Size-resolved aerosol and cloud condensation nuclei (CCN) properties in the remote marine South China Sea – Part 1: Observations and source classification by Atwood, Samuel A, Reid, Jeffrey S, Kreidenweis, Sonia M, Blake, Donald R, Jonsson, Haflidi H, Lagrosas, Nofel D, Xian, Peng, Reid, Elizabeth A, Sessions, Walter R, Simpas, James B

“…Ship-based measurements of aerosol and cloud condensation nuclei (CCN) properties are presented for 2 weeks of observations in remote marine regions of the…”
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Behavior of OH and HO2 in the winter atmosphere in New York City by XINRONG REN, BRUNE, William H, DEMERJIAN, Kenneth L, FELTON, Henry D, BOYNTON, Garry, ADAMS, Allen, PERRY, Jacqueline, YI HE, XIANLIANG ZHOU, JIAN HOU, JINGQIU MAO, MITCHELL, Michael J, LESHER, Robert L, SIMPAS, James B, METCALF, Andrew R, SCHWAB, James J, CHENXIA CAI, YONGQUAN LI

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Aerosol Particle and Black Carbon Emission Factors of Vehicular Fleet in Manila, Philippines by Madueño, Leizel, Kecorius, Simonas, Birmili, Wolfram, Müller, Thomas, Simpas, James, Vallar, Edgar, Galvez, Maria Cecilia, Cayetano, Mylene, Wiedensohler, Alfred

“…Poor air quality has been identified as one of the main risks to human health, especially in developing regions, where the information on physical chemical…”
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OH and HO2 chemistry in the urban atmosphere of New York City by XINRONG REN, HARDER, Hartwig, XIANLIANG ZHOU, HONGLIAN GAO, MARTINEZ, Monica, LESHER, Robert L, OLIGER, Angelique, SIMPAS, James B, BRUNE, William H, SCHWAB, James J, DEMERJIAN, Kenneth L, YI HE

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Stubborn aerosol: why particulate mass concentrations do not drop during the wet season in Metro Manila, Philippines by Hilario, Miguel Ricardo A, Bañaga, Paola Angela, Betito, Grace, Braun, Rachel A, Cambaliza, Maria Obiminda, Cruz, Melliza Templonuevo, Lorenzo, Genevieve Rose, MacDonald, Alexander B, Pabroa, Preciosa Corazon, Simpas, James Bernard, Stahl, Connor, Yee, John Robin, Sorooshian, Armin

“…Wet scavenging is the most important sink for particulate matter (PM) and is expected to decrease PM concentrations in the wet season. However, Metro Manila,…”
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Size-resolved composition and morphology of particulate matter during the southwest monsoon in Metro Manila, Philippines by Cruz, Melliza Templonuevo, Bañaga, Paola Angela, Betito, Grace, Braun, Rachel A, Stahl, Connor, Aghdam, Mojtaba Azadi, Cambaliza, Maria Obiminda, Dadashazar, Hossein, Hilario, Miguel Ricardo, Lorenzo, Genevieve Rose, Ma, Lin, MacDonald, Alexander B, Pabroa, Preciosa Corazon, Yee, John Robin, Simpas, James Bernard, Sorooshian, Armin

“…This paper presents novel results from size-resolved particulate matter (PM) mass, composition, and morphology measurements conducted during the 2018 southwest…”
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OH, HO2, and OH reactivity during the PMTACS–NY Whiteface Mountain 2002 campaign: Observations and model comparison by Ren, Xinrong, Brune, William H., Oliger, Angelique, Metcalf, Andrew R., Simpas, James B., Shirley, Terry, Schwab, James J., Bai, Chunhong, Roychowdhury, Utpal, Li, Yongquan, Cai, Chenxia, Demerjian, Kenneth L., He, Yi, Zhou, Xianliang, Gao, Honglian, Hou, Jian

“…Hydroxyl (OH), hydroperoxy (HO2) radicals, collectively known as HOx, and OH reactivity, were measured during the PMTACS–NY (PM2.5 Technology Assessment and…”
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HOx concentrations and OH reactivity observations in New York City during PMTACS-NY2001 by XINRONG REN, HARDER, Hartwig, MARTINEZ, Monica, LESHER, Robert L, OLIGER, Angelique, SHIRLEY, Terry, ADAMS, Jennifer, SIMPAS, James B, BRUNE, William H

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Spatial Characterization of Black Carbon Mass Concentration in the Atmosphere of a Southeast Asian Megacity: An Air Quality Case Study for Metro Manila, Philippines by Alas, Honey Dawn, Müller, Thomas, Birmili, Wolfram, Kecorius, Simonas, Cambaliza, Maria Obiminda, Simpas, James Bernard B., Cayetano, Mylene, Weinhold, Kay, Vallar, Edgar, Galvez, Maria Cecilia, Wiedensohler, Alfred

“…Black carbon (BC) particles have gathered worldwide attention due to their impacts on climate and adverse health effects on humans in heavily polluted…”
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Variability of active chlorine in the lowermost Arctic stratosphere by Thornton, Brett F., Toohey, Darin W., Avallone, Linnea M., Hallar, A. Gannet, Harder, Hartwig, Martinez, Monica, Simpas, James B., Brune, William H., Koike, Makoto, Kondo, Yutaka, Takegawa, Nobuyuki, Anderson, Bruce E., Avery, Melody A.

“…We examine the variability of ClO in the Arctic upper troposphere and lowermost stratosphere (UTLS) during the winter of 1999–2000. Data are binned relative to…”
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The Airborne and Satellite Investigation of Asian Air Quality (Asia-Aq): An Opportunity for International Collaboration by Crawford, James H., Travis, Katherine R., Judd, Laura M., Lefer, Barry L., Dibb, Jack E., Kim, Jhoon, Park, Rokjin, Lee, Gangwoong, Chang, Limseok, Simpas, James Bernard B., Cambaliza, Maria Obiminda L., Macatangay, Ronald C., Surapipith, Vanisa, Thongboonchoo, Narisara, Kim Oanh, Nguyen Thi, Hien, To Thi, Ly, Bich Thuy, Salam, Abdus, Ghude, Sachin D., Latif, Mohd Talib, Yu, Liya E., Tanimoto, Hiroshi, Kanaya, Yugo

“…The Airborne and Satellite Investigation of Air Quality (ASIA-AQ) is an international field study concept in the active planning stage. The study will…”
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Impacts of regional wind circulations on aerosol pollution and planetary boundary layer structure in Metro Manila, Philippines by Cruz, Melliza Templonuevo, Simpas, James Bernard, Sorooshian, Armin, Betito, Grace, Cambaliza, Maria Obiminda L., Collado, Jarl Tynan, Eloranta, Edwin W., Holz, Robert, Topacio, Xzann Garry Vincent, Del Socorro, Jundy, Bagtasa, Gerry

“…Fine particulate matter (PM2.5) concentrations in Metro Manila, Philippines have consistently exceeded the guideline values set by the World Health…”
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Contrasting wet deposition composition between three diverse islands and coastal North American sites by Ma, Lin, Dadashazar, Hossein, Hilario, Miguel Ricardo A., Cambaliza, Maria Obiminda, Lorenzo, Genevieve Rose, Simpas, James Bernard, Nguyen, Phu, Sorooshian, Armin

“…This study examined spatial variations of precipitation accumulation and chemistry for six sites located on the West and East Coasts of the U.S., and one site…”
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