_l 

 \ 



CD 



C 



o s 

 u 



u 



0.0 



-0.5 



-1.0 



-2.0 



-a.B 



flIpha-HCH Equi I ibrium and Flux 

 Bering Sea 



1 10 



M 



"i i 



i 



I 00, "-^ 



003 



□ Cw- C° 



RVE 



QFlux 



■2D0 id: 



-400 



o 

 \ 



CD 



•800 



flIpha-HCH Equi I ibrium and Flux 

 St. Lawrence Island to Bering Straits 



2.0 



1.0 



^ 0.0 



D) 



-1.0 



o *2.0 

 U 



-3.0 



J 



•4.0 

 -5.0 



U 



Noma 



m 



036 104 



^ 





Dc,-c; 



ose 



083 



r-VA 



aooo 



1000 

 



^-1000 



3) 



■ara g^ 



•3000 

 •4000 

 •BOOO 



QFlux 



Fig. 2. a-HCHdepartureformequilibrium C„-CJ.C. = actualconcentration. 

 C'^ = waterconcentration at equilibrium with air.Eq. l,(ngl 'landflux 

 (Eq. 5, pg cm - yr ') over the Bering Sea. Positive numbers indicate 

 sea to air exchange and negative numbers air to sea exchange. Station 

 numbers are provided below the bars. 



Fig. 3. a-HCH equilibrium C, - CJ, ng 1 ') and flux (pg cm- yr ') from 

 St. Lawrence Island to the Bering Strait. Positive numbers indicate sea 

 to air exchange, negative numbers air to sea exchange. Note the 

 increased flux relative to the Bering (Fig. 2) and Chukchi Seas 

 (Fig. 4 1. Station numbers are provided below the bars. 



N 



O 3 

 U 



flIpha-HCH Equi I ibrium and Flux 

 Chukcli i Sea 



0.0^^ 



-0.5 



-1.0 



-1.5 



074 



i 



i 



Oei 055 





^ 



I 





HVE 



050 



045 



DCw - C° 0FIUX 



Giomma-HCH Equi I ibrium and Flux 



□ C, - CO 



QFlux 



Fig. 4. a-HCH equilibrium C„ - C". ng 1') and flux (pg cm- yr ') over the 

 Chukchi Sea. Positive numbers indicate sea to air exchange and 

 negative numbers air to sea exchange. Station numbers are provided 

 below the bars. 



Fig. 5. y-HCH equilibrium, (C. - CJ, ng 1') and the flux of y-HCH 

 (pgcm-yr 'l. Station numbers are below the appropriate bars. The 

 flux of y-HCH is from air to sea. 



277 



