Gschwend%20thesis.pdf

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-l80- Table 5~2. Retention indices (RI) on SE54 and UCON HB5l00 glass capillary columns for hydrocarbons and halomethanes released to seawater by marIne benthic algae. Crosses indicate mass spectra (shown in Appendix V) available from samples. , "~ ~- -~ i'~
-181- UCON R1 Compound SE54 R1 HB51o.O EI spec C I spec pentadecane 415 388 x x heptadecane 512 485 17: 1 507 480. x x 17: 1 500. 480 x x CHBr2Cl 075 140, x x CHiBr1 081 075 x CHBr 3 123.5 189 x x CHi 12 139 149 x x R1 defined with respect to 1-chloro-n-alkane$ 50-100: lclnC5 - 1clnC6 100-200: 1clnC6 - 1clnC8 200-300: 1clnC8 - 1clnC10 300-400: 1clnC10 - 1clnCii 400-500: 1clnC12 - lclnC14 500-60.0: 1clnC14 - 1 clnC16
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VOLATILE ORGANIC COMPOUNDS IN SEAWA
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-3- concentrations were observed to
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-5- analyses. Joy Geiselman collect
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Approval Page Abstract. . . Acknowl
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Figure 2-1 2-2 2-3 2-4 2-5 2-6 2-7
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-11- 4-5 O-xylene in Vineyard Sound
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-14- background ~ the next two chap
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-16- those at room temperature. On
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-18-. Table l-l. Ha logenated volat
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-zo- They found total n-alkanes (C6
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-2Z- alpha-pinene ( ~ ), and limone
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-24- Land animals also utilize vola
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-26- importance of transport mechan
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-28- Recently, methods have been de
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-30- Figure 2-1. Station locations
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-32- A third set of seawater sample
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-34- These analyses provided a lowe
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'" ~ ~ ~ o 500 TEMPERATURE (OC) 10
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SampIe station/ depth (m) Sargasso
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NOj (PM/kg) o 10 20 30 40 chI a (Pg
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Figure 2-4. -42- o 0 . o Sections s
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-44- Figure 2-5. Sections showing n
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-46- Figure 2-6. Sections showing o
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-48- Figure 2-7. Sections showing i
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-50- and l49 (M+41) ions in the CH4
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~ ~ ~ ~ ii "' ~ ï: "' l¡ Q: 3(' 5
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-54- A family of straight chain ald
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o 10 6 6.0 100 3.2 1000 . 2.2 0 9.2
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-58- Equatorial Atlantic, does not
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-60- Zsolnay (l973, 1976) has repor
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netS 40 (ng/kg) 20 +24/7 +15/7 30 2
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sample was enriched relative to adj
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-67- On the other hand, a phytoplan
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°2 (m//kg) 2 6 . . . . 4 . . . . .
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-71- Figure 2-13. Mechanism for pro
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-73- fatty acid, hexadecanoic acid,
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-75- In addition, the Cape, and the
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::.',:.:' 71° 70° 69° 68° 67°W
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-79- Figure 3-2. Recirculating stri
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-81- o (heated to 60 C to reduce th
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VOLATILE EXTRACTION ref. Grab and Z
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RESULTS AND DISCUSSION Hydrographic
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-88- Figure 3-5. Salinity (0/00) ve
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-90- revealing the variation of sal
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.. 1.5 ..E0 1.0 - Ci ci :: 0.5 II'
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-94- Figure 3-7. Chlorophyll ~ (~g/
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-96- Three known incidents of hydro
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~ ( ng/kg) 40 30 20 ._... ~ ? 1 0 .
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~ 4 2 ( ng/kg) o '-+~ ( ng/kg) ~ (
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o to o (\ . -. /..., ., --. o .. (a
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-104- Figure 3-11. O-xylene concent
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-106- Figure 3-12. Electron impact
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-108- (Müller and Jaenicke, 1973).
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30 20 UNKNOWN m.w. 108 10 (ng/kg) o
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-112- Figure 3-14. Naphthalene and
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-114- The naphthalene-to-methyl nap
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-117- with 0.29 for o-xylene and 0.
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nC14 15 10 (ng/kg) 5 o 80 60 n C 15
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"ep¡" 50 40 30 20 10 s...." . . \~
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-123- Figure 3-18. C6-CiO aldehyde
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Figure 3-19. -125- Heptanal concent
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-127- production by the plankton or
Page 129 and 130: 20 18 2 16 ~ "- 14 3 3 3 :- 12 3/ 2
Page 131 and 132: tf 10-' ~ ~ ct ~ ~ ~ ~ '" .. ~ ~ ~
Page 133 and 134: 15 DMDS (ng/kg) 5 o 35 30 25 DMTS 2
Page 135 and 136: -135- polysulfide volatiles. Partic
Page 137 and 138: TOTAL VC (ng/kg) 500 400 300 200 10
Page 139 and 140: -139- This suggested an anthropogen
Page 141 and 142: "Also, short range transport and de
Page 143 and 144: -143- were conducted. Rain samples
Page 145 and 146: Short-term Temporal Studies. -145-
Page 147 and 148: 40r RAIN RAIN 124 ~ 0 \ . MORNING (
Page 149 and 150: -149- Figure 4-2. Relative C2- and
Page 151 and 152: -151- Finally, the diesel-exhause-d
Page 153 and 154: Figure 4-3. Ratios of C2- and sampl
Page 155 and 156: Figure 4-4. Salini ty CD taken velo
Page 157 and 158: -157- Figure 4-5. O-xylene concentr
Page 159 and 160: -l59- while at other times they wer
Page 161 and 162: CDsw CDsw 11/10/77 11/22/77 CDsw 10
Page 163 and 164: -163- Figure 4-6. a-xylene concentr
Page 165 and 166: -165- The Quashnet River and Sippew
Page 167 and 168: Sippewissett Quashnet CD Marsh CD C
Page 169 and 170: r . I , , I . . I · ~_. . . TEMP .
Page 171 and 172: DATE AIR MEASUREMENTS -171- o-xylen
Page 173 and 174: -173- but that direct inputs (e.g.
Page 175 and 176: -175- an atmospheric source did not
Page 177 and 178: Table 5-1. Date of collection colle
Page 179: -179- gas chromatograph equipped wi
Page 183 and 184: Release rates (ng/gm dry weight/day
Page 186 and 187: - l86- are shown in parenthese s. T
Page 188 and 189: -l88- June and September, it may be
Page 190 and 191: -190- study in some summer samples
Page 192 and 193: -192- Surprisingly, the Rhodophyta
Page 194 and 195: -194- Three deep samples (ca. 2000m
Page 196 and 197: -196- indicated that these hydrocar
Page 198 and 199: -l98- average year-round sample dat
Page 200 and 201: -200- hydrogens of the C2- and C3-b
Page 202 and 203: -202- Application of sensitive sele
Page 204 and 205: -204- tubing into round bottom flas
Page 206 and 207: -206- Figure I-I. Stripper used wit
Page 208 and 209: -208- sample. Sample water was forc
Page 210 and 211: -ZIO- ionization spectra were acqui
Page 212 and 213: . . TEMP BLAN K BEFORE SAMPLE 10m 2
Page 214 and 215: -214- Table I-i. Recoveries (%) of
Page 216 and 217: -2l6- Table 1-2. Standard deviation
Page 218 and 219: Grob Methodology -2l8- The methods
Page 220 and 221: -220- compound m & p xylenes mw 108
Page 222 and 223: -222- Table 1-4. Recoveries (ng/kg)
Page 224 and 225: -224- purchased them. Tenax may be
Page 226 and 227: -226- Appendix II. Hydrographic dat
Page 229 and 230: -229- Appendix III. Volatile organi
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94 R. P. SCHWARZENBACH, R. H. BROMU
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96 R. P. SCHWARZENBACH. R. H. BROMU
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98 R. P. SCHWARZENBACH, R. H. BROMU
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100 R. P. SCHWARZENBACH, R. H. BRoM
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102 R. P. SCHWARZENBACH, R. H. BROM
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104 Oxygeii compouiids R. P. SCHWAR
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106 R. P. SCHWAKZENRACH. R. H. BROM
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-245- Appendix iv. Physical chemica
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-247- Appendix V. Mass spectra of s
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IS N L~ N r IS N ~Ð :i ,E -i Ji: "
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LD~ E) E) (Y E) LD E) LD N X E) in
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il .. E) N X I E) E) (Y E) il N E)
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CD CD .. r. L. - N ~-'._-----'-----
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E) i N f f ( -455 .- N ~ r t ì igN
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E) E) ~i !D i N --- J -lri r~ 18 r~
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REFERENCES Ackman, R.G., C. S. Toch
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. Cleveland, W. S., B. air pollutio
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-264- Grob, K. and F. ZUrcher. (l97
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-266- Lee, C. and J.L. Bada. (1975)
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-268- N. A. S. (1975a) Assessing Po
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-270- Strickland, J.D .R. and T .R.
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