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Atmospheric Sulfur and Nitrogen Oxides. Eastern North by George M. Hidy

By George M. Hidy

Atmospheric Sulfur and Nitrogen Oxides presents an intensive synthesis of the examine on atmospheric sulfur and nitrogen oxide chemistry on geographically huge scales, with specified emphasis at the equipment and problems of creating source-receptor relationships. The booklet addresses the significance of long-range air shipping, the function of ozone and oxidant chemistry, and it examines analytical equipment and pollutant delivery versions. this article in particular covers

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Atmospheric Sulfur and Nitrogen Oxides. Eastern North American Source-Receptor Relationships

Atmospheric Sulfur and Nitrogen Oxides offers an intensive synthesis of the examine on atmospheric sulfur and nitrogen oxide chemistry on geographically huge scales, with specified emphasis at the tools and problems of building source-receptor relationships. The e-book addresses the significance of long-range air shipping, the function of ozone and oxidant chemistry, and it examines analytical tools and pollutant shipping versions.

Extra resources for Atmospheric Sulfur and Nitrogen Oxides. Eastern North American Source-Receptor Relationships

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The contours of equal precipitation levels show complicated patterns of precipitation, which depend on the mountainous terrain. 9 Mean annual precipitation in cm for North Carolina. Isolines are drawn through points of approximately equal value. Caution should be used in interpolating on these maps, particularly in mountainous areas. Data taken from Climate of the States. 34 2. CLIMATOLOGICAL FACTORS IN EASTERN NORTH AMERICA VARIABILITY IN AEROMETRIC FACTORS An important aspect of climatological phenomena is their variability.

The latter is conducive to pollution accumulation over a large region. Air Mass Trajectories The flow of air from one location to another is often described by the concept of air mass trajectory. Trajectories are calculated from the wind field by following (coordinates on) a parcel of air traveling across the ground over time, a Lagrangian frame of reference. In reality, air masses do not travel for great distances intact but mix with surrounding air. Thus the picture of air parcels is an ideal conceptual construct.

Annual levels of 80% are found in parts of the Northeast and coastal Southeast. These high humidities at the MOISTURE CONTENT, CLOUDS, AND PRECIPITATION 25 surface are found at higher altitudes, too, so that the potential for fog and cloud formation is generally high. In many locations fog or dew may enhance deposition. The interception of fog droplets and the condensation of moisture on surfaces provide a means of concentrating contaminants. Fog and cloud droplets are said to have higher concentrations of scavenged pollutant than precipitation.

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