SURVEY AREAS 



Figure 5. — Bimonthly mean air temperature for each survey area (SAl, 2 and 3). 



CO to 



MAR - APR MAY . JUN JUL - AUG SEP - OCT NOV . DEC 



Figure 6. — Bimonthly mean surface and bottom salinity east of the Mississippi River 

 Delta (SAl). Solid line is surface salinity; dash line is bottom salinity. 



