first lecture

first lecture - W e t (rain , s n ow )D e p o sitio n G a s...

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Unformatted text preview: W e t (rain , s n ow )D e p o sitio n G a s P a rtic le s /a e ro s o ls D e p o s itio n to te rre stria l s u rfa ce s D ry p a rtic le D e p o s itio n A ir/w a te r/s no w G as e x ch a n g e D ire c t d e p o s itio n to w a te r/s n o w S n o w m e lt & ru n o ff D iss o lv e d p h a se P a rticle b o u n d P a rticle s e dim e n ta tio n S e d im e n t b u ria l P h yto p la n kto n - in ve rte b ra te s- fo ra g e fish A q u a tic fo o d w e b s M a rin e m a m m a ls P is civ oro u s fish W a te rfo w l, s e a b ird s Te rre s tria l fo o d w e b s L ich e n - c a rib o u P la n ts - c a ttle (m ilk, m e a t) Stra to sph e re - o z o n e la y e r d e p le tio n Tro po sp he re - in c re a s e d U V s o la r ra d ia tio n C F C , C O 2 , C H 4 G lo b a l w a rm in g R e la tiv e ly lo n g a tm o s p h e r e life tim e s C O 2 , C F C , C H 4 , P O P s , m e rc u ry, C l 4 ,C l5 P C D D /F s S P M 2 .5 R e la tiv e ly s h o rt a tm o s p h e ric life tim e s S O x , N O x , C O , V O C s , H C F C s , h ig h M W P C D D /F s , S P M 1 0 , h e a v y m e ta ls V O C s , N O x O z o n e re a c tio n s w ith H O ra d ic a l S O 2 , N O x A c id ic p re c ip ita tio n H 2 O A n th ro p o g e n ic S o u rc e s N a tu ra l S o u rc e s H u m a n s H u m a n s 1 2 3 A q u a t i c -T e r r e s t r i a l -A t m o s p h e r i c E c o s y s t e m L i n k a g e s t o C h e m i c a l C y c l e s S . J . E i s e n r e i c h ( M o d i f i e d f r o m D . M u i r , 1 9 9 7 ) Whats missing? Reactions/degradation Air Water Octanol A gas is a gas is a gas T, P Fresh, salt, ground, pore T, salinity, cosolvents NOM, biological lipids, other solvents T, chemical composition Pure Phase (l) or (s) Ideal behavior P o L C sat w C sat o K H = P o L /C sat w K oa K H K ow = C sat o /C sat w K ow K oa = C sat o /P o L Goals of this course...
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This document was uploaded on 10/25/2011.

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first lecture - W e t (rain , s n ow )D e p o sitio n G a s...

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