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Briefly, a residential monitoring site on the roof of an elementary school located 5.3 kilometer east of downtown Denver was constructed for obtaining the detailed PM2.5 chemical speciation data (Fig. 1).
Continuous PM2.5 was measured at a stationary monitoring site on the roof of Countway Library of Harvard University in downtown Boston using a Tapered Element Oscillating Microbalance (TEOM; Model 1400A, Rupprecht & Patashnick Co., East Greenbush, NY).
Three replicate 100 ml water samples were collected from each monitoring site on each sample collection date (APHA, 2005) to take into account variability of sampling and testing (repeatability/reproducibility of microbiological analyses).
Air pollution and weather data were measured using standard methods and quality controls at a central monitoring site on the BIT Liangxiang campus (suburban period) or the BIT main campus (urban periods 1 and 2).
The geographic coordinates of each monitoring site on the British National Grid were used in combination with data on building and traffic density to derive geographic covariates describing the surroundings of each monitoring location.
Briefly, the BC model was based on daily BC measurements from a central monitoring site on the roof the Harvard Countway Library of Medicine and 148 permanent and temporary BC monitors operating in the region between January 1999 and August 2011.
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He downloaded particulate pollution data for monitoring sites on Marylebone Road in London and on 114th Street in Chicago, and gathered information on Beijing's air quality from China's Ministry of Environmental Protection.Then, after calculating daily and monthly air pollution averages and statistically removing man's tendency to make more smog in winter, he plotted a graph.
Models were evaluated by comparing predicted and observed concentrations for the retained 20% of monitoring sites, on a year-by-year basis.
In response to the potential introduction of WNV in tropical America during the fall migrations, we established a network of monitoring sites on the overwintering grounds of neotropical migratory birds in Jamaica, Puerto Rico, and Mexico.
Quantifying methane release across the Arctic is an active area of research, with several countries despatching missions to monitor sites on land and sea.
The BIT Liangxiang monitoring site was on the roof of a three-story building (about 10 m high) without any nearby structures that would obstruct air flow, and the BIT main campus monitoring site was on the roof of a five-story building (about 15 m high) located within 200 m of the third ring road.
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