FISHERY BULLETIN: VOL. 75, NO. 4 



Ch 



30 

 20 

 10 



o 



20 

 10- 

 



30-| 

 20 

 10- 



ABCDEFGP 

 MAY 1972 



JO- 

 30- 





-i — i — i — i — l — i — r— i ' 



ABCDEFGP 



JUNE 1972 



V„ :* 



- 1 1 1 1 1 1 1 1 



ABCDEFGP 

 JULY 1972 



- 1 — i — I 1 1 1 1 — I 



ABCDEFGP 



AUGUST 1972 



30 

 20 



N, ] 







Ch 



s 10 : 



iO-\ 

 20 

 10 



- 

 20- 

 10- 



- 



—f — I — I — I — I — I — I — I o 

 ABCDEFGP 



SEPTEMBER 1972 



"" i — i — i — i — i — i — i — i ° 

 ABCDEFGP 



OCTOBER 1972 



20 



: -. I0 " 

 



20 

 10- 



— I — I — I — I — I — I — I — I o- 



ABC DE FGP 

 NOVEMBER 1972 



~1 1 1 1 1 1 1 — i 



ABCDEFGP 

 DECEMBER 1972 



FIGURE 2.— Monthly means of 

 the bottom temperature 

 (°C — solid line), salinity 

 (%o — dashed line), and dissol- 

 ved oxygen (milligrams/ 

 liter — dotted line) in the York 

 River estuary from May 1972 

 to August 1973. Strata: A-G 

 in York River and P in 

 Pamunkey River. Substrata: 

 N = north shoal, Ch = chan- 

 nel and S = south shoal. 



Ch - 



S - 



Ch 



x . 



30 

 20 



10- 



~ I 1 1 I 1 ' 1 1 



ABCDEFGP 

 JANUARY 1973 



30 

 20 



10 



V 



10- 



" o 



20 

 10- 

 - 



20- 



-1 1 — I 1 1 1 1 1 



ABCDEFGP 

 MAY 1973 



~1 — I — I 1 1 1 1 — I °' 



ABCDEFGP 



FEBUARY 1973 



30"! 



20 



N — - 10- 



— i 1 1 1 1 1 1 1 0' 



ABCDEFGP 

 JUNE 1973 



30-i 



20 

 10 



10- 



- 



~i — i — i — i — i — i — i — I o- 

 ABCDEFGP 



MARCH 1973 



— I 1 1 — I — I 1 — ^ — I 



ABCDEFGP 



APRIL 1973 



- 1 1 — I 1 — i 1 1 — i 



ABCDEFGP 

 JULY 1973 



ABC DEFGP 

 AUGUST 1973 



660 



