DATASET TITLE: CARBONATE CHEMISTRY OF THE WEDDELL SEA                           
                                                                                
CONTRIBUTORS:  C. T. CHEN                                                       
               COLLEGE OF OCEANOGRAPHY                                          
               OREGON STATE UNIVERSITY                                          
               CORVALLIS, OREGON 97331                                          
                                                                                
SOURCE AND SCOPE OF THE DATA: CARBONATE DATA FOR THE WEDDELL SEA                
ARE PROVIDED FROM BOTH SURFACE SAMPLES TAKEN ALONG THE CRUISE                   
TRACK OF THE US-USSR WEDDELL POLYNYA EXPEDITION (WEPOLEX-81) AND                
FROM SAMPLES TAKEN AT VERTICAL STATIONS.  THE EXPEDITION ABOARD                 
THE SOVIET ICEBREAKER SOMOV BEGAN ON OCTOBER 9, 1981, AND ENDED ON              
NOVEMBER 25, 1981.                                                              
                                                                                
DATA FROM TWENTY-FOUR VERTICAL STATIONS LOCATED IN THE                          
EASTERN WEDDELL SEA INCLUDE CONCURRENT PH, CALCIUM, TOTAL                       
ALKALINITY, SAMPLE DEPTH, WATER TEMPERATURE, AND SALINITY.  THE                 
SURFACE SAMPLE DATA INCLUDE WATER TEMPERATURE, SALINITY, PH, AND                
TOTAL ALKALINITY.                                                               
                                                                                
FORMAT OF THE DATA: FOUR ASCII TEXT FILES ARE PROVIDED IN THIS                  
SUBDIRECTORY INCLUDING THIS DOCUMENTATION FILE (NDP028.TXT)                       
TWO DATA FILES [ONE CONTAINING DATA FROM SURFACE STATIONS                       
(NDP028.SUR) AND ONE CONTAINING DATA FROM VERTICAL STATIONS                     
(NDP028.VER)], AND A FORTRAN RETRIEVAL CODE (NDP028.FOR) TO READ                
AND PRINT THESE DATA FILES.                                                     
    THE SURFACE SAMPLE STATION INFORMATION AND DATA (NDP028.SUR),               
INCLUDING; SALINITY (SALIN), WATER TEMPERATURE (TEMP),                          
CONCURRENT PH (PH), TOTAL ALKALINITY MEASURED FROM POTENTIOMETRIC               
TITRATION (TOTALK), AND TOTAL ALKALINITY FROM SINGLE-POINT                      
TITRATION (TA) ARE FORMATTED AS FOLLOWS:                                        
                                                                                
      READ(UNIT,10) MONTH,DAY,SAMPLE,TIME,LATDEG,LATMIN,LATDIR,                 
     1  LONDEG,LONMIN,LONDIR,SALIN,TEMP,PH,TOTALK,TA                            
 10   FORMAT(I2,1X,I2,A1,1X,I4,1X,I2,1X,I2,A1,1X,I2,1X,I2,A1,                   
     1  4X,F6.3,5X,F5.2,3X,F5.3,2X,I4,1X,3A4)                                   
                                                                                
FOR THE SURFACE SAMPLING DATA FILE (NDP028.SUR) THERE ARE A TOTAL OF            
91 SALINITY CALCULATIONS, 94 WATER TEMPERATURE READINGS, 91 PH                  
READINGS, 78 TOTAL ALKALINITY MEASUREMENTS FROM POTENTIOMETRIC                  
TITRATION, AND 25 TOTAL ALKALINITY MEASUREMENTS FROM SINGLE-POINT               
TITRATION.                                                                      
                                                                                
THE VERTICAL STATION DATA INCLUDING SAMPLE DEPTH (DEPTH), WATER                 
TEMPERATURE (TEM), SALINITY (SALNTY), CONCURRENT PH (PHH), TOTAL                
ALKALINITY (TALK), AND CALCIUM (NCA) ARE FORMATTED AS FOLLOWS:                  
                                                                                
      READ(UNIT,205) DEPTH,FLAG,TEM,SALNTY,PHH,TALK,(NCA(I),I=1,2)              
205   FORMAT(I4,A1,3X,F6.3,3X,F6.3,4X,F5.3,5X,I4,2X,2A4)                        
                                                                                
FOR THE VERTICAL STATION DATA FILE (NDP028.VER) THERE ARE A TOTAL OF            
305 WATER TEMPERATURE READINGS AND SALINITY CALCULATIONS, 304 PH                
READINGS, 305 TOTAL ALKALINITY MEASUREMENTS, AND 47 CALCIUM                     
MEASUREMENTS.                                                                   
                                                                                
ALL MISSING VALUES ARE REPRESENTED IN THE DATA FILES AS BLANK                   
FIELDS.                                                                         
                                                                                
                           REFERENCES                                           
                                                                                
CHEN, C.T. 1984. CARBONATE CHEMISTRY OF THE WEDDELL SEA. TR008.                 
     U.S. DEPARTMENT OF ENERGY, CARBON DIOXIDE RESEARCH DIVISION,               
     WASHINGTON, D.C.                                                           
                                                                                
CHEN, C.T. 1982. CARBONATE CHEMISTRY DURING WEPOLEX-81. ANTARCTIC               
     JOURNAL OF THE UNITED STATES, 1982 REVIEW, VOLUME XVII (5):102             
                                                                                
TAKAHASHI, T. AND D. CHIPMAN. 1982. CARBON DIOXIDE PARTIAL PRESSURE             
     IN SURFACE WATERS OF THE SOUTHERN OCEAN. ANTARCTIC JOURNAL                 
     OF THE UNITED STATES, 1982 REVIEW, VOLUME XVII (5):103-104.                
                                                                                
POISSON, A. AND C.T. CHEN. 1987. WHY IS THERE LITTLE ANTHROPOGENIC              
     CO2 IN THE ANTARCTIC BOTTOM WATER? DEEP-SEA RESEARCH,                      
     34(7):1255-1275.