. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. ATMOSPHERIC DEPOSITION TRENDS IN ILLINOIS Table 1. National Atmospheric Deposition Program/National Trends Network Sites in Illinois Site designation Site location Latitude Longitude Elevation (m)** Nearest town Site type Dates of operation Wet deposition Begin End IL 11* IL 18 IL 19* IL35 IL47 1L63 IL 78 IL 99 40°3'I2" 4r50'29" 4r42'4" 37°4236" 38°38'36" 37°26'8" 40°56
. The changing Illinois environment : critical trends : technical report of the Critical Trends Assessment Project. Man; Pollution; Environmental protection; Ecology; Environmental impact analysis. ATMOSPHERIC DEPOSITION TRENDS IN ILLINOIS Table 1. National Atmospheric Deposition Program/National Trends Network Sites in Illinois Site designation Site location Latitude Longitude Elevation (m)** Nearest town Site type Dates of operation Wet deposition Begin End IL 11* IL 18 IL 19* IL35 IL47 1L63 IL 78 IL 99 40°3'I2" 4r50'29" 4r42'4" 37°4236" 38°38'36" 37°26'8" 40°56'0" 38°42'36" 88°22'19" 212 Bondville rural 88''51'4" 265 Shabbona rural 87°59'43" 89°16'8" 229 146 Argonne Carbondale suburban rural 88°58T' 173 Salem suburban 88°40'19" 161 Glendale rural 90°4373" 229 Monmouth rural 88°44'57" 153 Omega rural 27 Feb 79 26 May 81 11 Mar 80 31 Jul 79 15 Apr 80 30 Jan 79 8 Jan 85 26 Sep 89 continuing continuing continuing continuing 22 Nov 88 continuing continuing continuing Dryfall deposition Begin End 27 Feb 79 26 May 81 1 Apr 80 20 Jul 79 15 Apr 80 30 Jan 79 none none continuing continuing continuing continuing 22 Nov 88 continuing none none Notes: *Also a NOAA/ATDD dry deposition site where airborne pollutant concentrations and atmospheric and surface factors are measured so that deposition can be inferred. **Elevations are reported in heights above mean sea Site Type + NADP/NTN site in IL * NADP/NTN and co-located NOAA site in IL o NADP/NTN site outside IL; used for spatial variation analyses Illinois Site ID 11 - Bondville 18 - Shabbona 19 - Argonne 35 - Carbondale 47 - Salem 63 - Glendale 78 - Monmouth 99 - Omega Figure 1. Map of the Illinois region, showing locations of sites providing atmospheric deposition data used in the CTAP. 158. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and
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