Search Results - "Brook, J R"

A revised parameterization for gaseous dry deposition in air-quality models by Zhang, L., Brook, J. R., Vet, R.

“…A parameterization scheme for calculating gaseous dry deposition velocities in air-quality models is revised based on recent study results on non-stomatal…”
Get full text

Elucidating multipollutant exposure across a complex metropolitan area by systematic deployment of a mobile laboratory by Levy, I, Mihele, C, Lu, G, Narayan, J, Hilker, N, Brook, J. R

“…This study evaluates a deployment strategy of a heavily instrumented mobile lab for characterizing multipollutant spatial patterns based upon a limited number…”
Get full text

Lake breezes in the southern Great Lakes region and their influence during BAQS-Met 2007 by Sills, D. M. L., Brook, J. R., Levy, I., Makar, P. A., Zhang, J., Taylor, P. A.

“…Meteorological observations from the BAQS-Met field experiment during the summer months of 2007 were integrated and manually analyzed in order to identify and…”
Get full text

Mass Absorption Cross-Section of Ambient Black Carbon Aerosol in Relation to Chemical Age by Knox, A., Evans, G. J., Brook, J. R., Yao, X., Jeong, C.-H., Godri, K. J., Sabaliauskas, K., Slowik, J. G.

“…Three differing techniques were used to measure ambient black carbon (BC) aerosols in downtown Toronto through 20 December 2006 to 23 January 2007. These…”
Get full text

Carbonaceous species in PM2.5 at a pair of rural/urban sites in Beijing, 2005-2008 by Yang, F, Huang, L, Duan, F, Zhang, W, He, K, Ma, Y, Brook, J R, Tan, J, Zhao, Q, Cheng, Y

“…One-week integrated PM2.5 samples were collected over four years (2005-2008) at a pair of sites, one rural and one urban site, in the area of Beijing, China…”
Get full text

The use of wind fields in a land use regression model to predict air pollution concentrations for health exposure studies by Arain, M.A., Blair, R., Finkelstein, N., Brook, J.R., Sahsuvaroglu, T., Beckerman, B., Zhang, L., Jerrett, M.

“…A methodology is developed to include wind flow effects in land use regression (LUR) models for predicting nitrogen dioxide (NO 2) concentrations for health…”
Get full text

Oxidation of Electron Donor-Substituted Verdazyls: Building Blocks for Molecular Switches by Haller, Benjamin C, Chambers, Dallas, Cheng, Ran, Chemistruck, Victoria, Hom, Timothy F, Li, Zhengzheng, Nguyen, Jeffrey, Ichimura, Andrew, Brook, David J. R

“…Species that can undergo changes in electronic configuration as a result of an external stimulus such as pH or solvent polarity can play an important role in…”
Get full text

Aerosol–computational fluid dynamics modeling of ultrafine and black carbon particle emission, dilution, and growth near roadways by Huang, L, Gong, S. L, Gordon, M, Liggio, J, Staebler, R, Stroud, C. A, Lu, G, Mihele, C, Brook, J. R, Jia, C. Q

“…Many studies have shown that on-road vehicle emissions are the dominant source of ultrafine particles (UFPs; diameter < 100 nm) in urban areas and near-roadway…”
Get full text

Tropospheric Emission Spectrometer (TES) satellite observations of ammonia, methanol, formic acid, and carbon monoxide over the Canadian oil sands: validation and model evaluation by Shephard, M. W, McLinden, C. A, Cady-Pereira, K. E, Luo, M, Moussa, S. G, Leithead, A, Liggio, J, Staebler, R. M, Akingunola, A, Makar, P, Lehr, P, Zhang, J, Henze, D. K, Millet, D. B, Bash, J. O, Zhu, L, Wells, K. C, Capps, S. L, Chaliyakunnel, S, Gordon, M, Hayden, K, Brook, J. R, Wolde, M, Li, S.-M

“…The wealth of air quality information provided by satellite infrared observations of ammonia (NH3), carbon monoxide (CO), formic acid (HCOOH), and methanol…”
Get full text

Exploring the nature of air quality over southwestern Ontario: main findings from the Border Air Quality and Meteorology Study by Brook, J. R, Makar, P. A, Sills, D. M. L, Hayden, K. L, McLaren, R

“…This paper serves as an overview and discusses the main findings from the Border Air Quality and Meteorology Study (BAQS-Met) in southwestern Ontario in 2007…”
Get full text

Impact of model grid spacing on regional- and urban- scale air quality predictions of organic aerosol by Stroud, C. A., Makar, P. A., Moran, M. D., Gong, W., Gong, S., Zhang, J., Hayden, K., Mihele, C., Brook, J. R., Abbatt, J. P. D., Slowik, J. G.

“…Regional-scale chemical transport model predictions of urban organic aerosol to date tend to be biased low relative to observations, a limitation with…”
Get full text

Imidazole-Substituted Oxoverdazyl Radical As a Mediator of Intramolecular and Intermolecular Exchange Interaction by Norel, Lucie, Pointillart, Fabrice, Train, Cyrille, Chamoreau, Lise-Marie, Boubekeur, Kamal, Journaux, Yves, Brieger, Aaron, Brook, David J. R

“…The 3-(2′-imidazolyl)-1,5-dimethyl-6-oxoverdazyl radical (imvd•) and the corresponding tetrazane H3imvd were prepared and structurally characterized, the…”
Get full text

Determination of tropospheric vertical columns of NO2 and aerosol optical properties in a rural setting using MAX-DOAS by Halla, J D, Wagner, T, Beirle, S, Brook, J R, Hayden, K L, O'Brien, J M, Ng, A, Majonis, D, Wenig, M O, McLaren, R

“…Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements were performed in a rural location of southwestern Ontario during the Border…”
Get full text

Observations of OM/OC and specific attenuation coefficients (SAC) in ambient fine PM at a rural site in central Ontario, Canada by Chan, T. W., Huang, L., Leaitch, W. R., Sharma, S., Brook, J. R., Slowik, J. G., Abbatt, J. P. D., Brickell, P. C., Liggio, J., Li, S.-M., Moosmüller, H.

“…Ambient particulate matter (PM) samples were collected on quartz filters at a rural site in central Ontario during an intensive study in 2007. The…”
Get full text

Enhancing non-refractory aerosol apportionment from an urban industrial site through receptor modeling of complete high time-resolution aerosol mass spectra by McGuire, M. L, Chang, R. Y.-W, Slowik, J. G, Jeong, C.-H, Healy, R. M, Lu, G, Mihele, C, Abbatt, J. P. D, Brook, J. R, Evans, G. J

“…Receptor modeling was performed on quadrupole unit mass resolution aerosol mass spectrometer (Q-AMS) sub-micron particulate matter (PM) chemical speciation…”
Get full text

Aircraft study of the impact of lake-breeze circulations on trace gases and particles during BAQS-Met 2007 by Hayden, K. L., Sills, D. M. L., Brook, J. R., Li, S.-M., Makar, P. A., Markovic, M. Z., Liu, P., Anlauf, K. G., O'Brien, J. M., Li, Q., McLaren, R.

“…High time-resolved aircraft data, concurrent surface measurements and air quality model simulations were explored to diagnose the processes influencing aerosol…”
Get full text

Light absorption and thermal measurements of black carbon in different regions of Canada by Sharma, S., Brook, J. R., Cachier, H., Chow, J., Gaudenzi, A., Lu, G.

“…A study was conducted to determine the relationship between light absorption measurements from an aethalometer and a particle soot absorption photometer (PSAP)…”
Get full text

Metal-ligand interactions in a redox active ligand system. Electrochemistry and spectroscopy of [M(dipyvd)2]n+ (M=Zn, Ni, n=0, 1, 2) by Fleming, Connor, Vu, Son, Brook, David J. R., Agrestini, Stefano, Pellegrin, Eric, DaRos, Jeffrey

“…Reaction of nickel and zinc triflates with the tridentate leucoverdazyl 1-isopropyl-3,5-di (2′-pyridyl)-6-oxo-2H-tetrazine (dipyvdH) and triethylamine resulted…”
Get full text

Geometric Control of Ground State Multiplicity in a Copper(I) Bis(verdazyl) Complex by Brook, David J. R, Yee, Gordon T, Hundley, Mike, Rogow, David, Wong, Janice, Van-Tu, Khanh

“…A copper(I) complex of a 3-(6′-isopropylpyridyl)-substituted verdazyl was synthesized and characterized by X-ray crystallography and magnetic susceptibility…”
Get full text

Novel application of satellite and in-situ measurements to map surface-level NO2 in the Great Lakes region by Lee, C J, Brook, J R, Evans, G J, Martin, R V, Mihele, C

“…Ozone Monitoring Instrument (OMI) tropospheric NO2 vertical column density data were used in conjunction with in-situ NO2 concentrations collected by…”
Get full text