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Technical Paper

An historical experiment: Los Angeles smog evolution observed by blimp

Pages 643-655 | Received 02 Nov 2017, Accepted 23 Jan 2018, Published online: 24 Apr 2018

Figures & data

Figure 1. Calculated surface streamlines for midday, September 6, 1973, over the Los Angeles Air Basin. (Calculations from wind data by T. Smith. Source: Hidy et al. Citation1974.)

Figure 1. Calculated surface streamlines for midday, September 6, 1973, over the Los Angeles Air Basin. (Calculations from wind data by T. Smith. Source: Hidy et al. Citation1974.)

Figure 2. Blimp flight on September 6, 1973, originating in Torrance at 1:15 p.m. (PDT). Solid path is the Lagrangian-like section; dashed path is the return to Torrance ending at 6:30 p.m. For additional details, including duration times, see Figure S2 (Hidy et al. Citation1974).

Figure 2. Blimp flight on September 6, 1973, originating in Torrance at 1:15 p.m. (PDT). Solid path is the Lagrangian-like section; dashed path is the return to Torrance ending at 6:30 p.m. For additional details, including duration times, see Figure S2 (Hidy et al. Citation1974).

Figure 3. Lagrangian-like trajectory observations from the blimp afternoon flight, September 6, 1973. Time series begins at 1:15 p.m. (PDT) at Torrance and ends there at 6:30 p.m. Tabulated data for the experiment are listed in the supplementary material (particle light scattering coefficient is bsc).

Figure 3. Lagrangian-like trajectory observations from the blimp afternoon flight, September 6, 1973. Time series begins at 1:15 p.m. (PDT) at Torrance and ends there at 6:30 p.m. Tabulated data for the experiment are listed in the supplementary material (particle light scattering coefficient is bsc).

Table 1. Comparison between blimp observations and aircraft measurements at various locations.

Table 2. Diurnal characteristics of ozone and particles at Rubidoux, CA, September 6, 1973.

Supplemental material

supplemental_material.docx

Download MS Word (3.1 MB)

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