DATASET TITLE: ANTARCTIC SURFACE TEMPERATURE AND PRESSURE DATA DATA CONTRIBUTORS P. D. JONES CLIMATIC RESEARCH UNIT UNIVERSITY OF EAST ANGLIA NORWICH, UNITED KINGDOM D. W. S. LIMBERT BRITISH ANTARCTIC SURVEY MADINGLEY ROAD CAMBRIDGE, UNITED KINGDOM DOI: 10.3334/CDIAC/cli.ndp032 SOURCE AND SCOPE OF THE DATA: THE DATA FILES INCLUDED IN THIS SUB- DIRECTORY PROVIDE MONTHLY-MEAN SURFACE AIR TEMPERATURE AND SEA-LEVEL OR STATION-LEVEL PRESSURE DATA FOR 30 STATIONS IN THE ANTARCTIC REGION. THE PRIMARY SOURCES OF THESE DATA ARE THE WORLD WEATHER RECORDS (WWR) VOLUMES FOR 1951-1960 AND 1961-1970 AND MONTHLY CLIMATIC DATA FOR THE WORLD (SINCE 1961). THESE DATA WERE SUPPLEMENTED WITH DATA FROM PEPPER (1954), SCHWERDTFEGER ET AL. (1959), DOLGEENA AND PETROVA (1977), JACKA ET AL. (1984), AND NATIONALLY PUBLISHED SOURCES TO REPLACE MISSING DATA OR VERIFY EXISTING DATA. BY CROSS-CHECKING NEIGHBORING STATION DATA, SUSPECT VALUES WERE EITHER VERIFIED OR CORRECTED. THE PERIODS OF RECORD VARY BY STATION. THE EARLIEST RECORDS ARE FOR ISLAS ORCADAS (1903-1986) AND THE MOST RECENT DATA ARE FOR 1988. DATA FORMAT: EIGHT DOS ASCII TEXT FILES ARE PROVIDED IN THIS SUBDIRECTORY INCLUDING THIS DOCUMENTATION FILE (NDP032.TXT), TWO DATA FILES CONTAINING ANTARCTIC SEA-LEVEL OR STATION-LEVEL PRESSURE DATA (NDP032.PRS & NDP032.PS2), TWO DATA FILES CONTAINING ANTARCTIC SURFACE AIR TEMPERATURE DATA (NDP032.TM1 & NDP032.TM2), AND TWO FORTRAN IV AND ONE SAS RETRIEVAL CODES TO READ AND PRINT THE DATA FILES (NDP032.FR1, (NDP032.FR2, & NDP032.SAS). THE DATA FILES CONTAINING THE MEAN-MONTHLY PRESSURE DATA (NDP032.PRS AND NDP032.PS2) ARE EACH FORMATTED AS: DIMENSION STATN(11),HEADER(51),PRESS(13) INTEGER*4 ALTNUM,IYEAR,FYEAR,YEAR 1 CONTINUE READ(5,10,END=99) STATN,LATDEG,LATMIN,LATHEM,LONDEG,LONMIN 1 LONHEM,ALTNUM,ALTUNT,IYEAR,FYEAR FORMAT(6X,11A3,2X,I2,I3,A1,4X,I3,1X,I2,A1,4X,I4,A1,2X,I4,1X,I4) WRITE(6,15) STATN,LATDEG,LATMIN,LATHEM,LONDEG,LONMIN, 1 LONHEM,ALTNUM,ALTUNT,IYEAR,FYEAR 15 FORMAT(6X,11A3,2X,I2,I3,A1,4X,I3,1X,I2,A1,4X,I4,A1,2X,I4,1X,I4) READ(5,20) HEADER 20 FORMAT(51A2,/) WRITE(6,25) HEADER 25 FORMAT(51A2,/) 2 CONTINUE READ(5,30) YEAR,(PRESS(I),I=1,13),YR,N 30 FORMAT(1X,I4,13F7.1,2X,I3,I1) WRITE(6,35) YEAR,(PRESS(I),I=1,13),YR,N 35 FORMAT(1X,I4,13F7.1,2X,I3,I1) WHERE: STATN IS THE ANTARCTIC STATION NAME LATDEG IS THE STATION LATITUDE EXPRESSED AS DEGREES LATMIN IS THE STATION LATITUDE EXPRESSED AS MINUTES LATHEM DESIGNATES THE STATION LATITUDINAL HEMISPHERE (ALWAYS S) LONDEG IS THE STATION LONGITUDE EXPRESSED AS DEGREES LONMIN IS THE STATION LONGITUDE EXPRESSED AS MINUTES LONHEM DESIGNATES THE STATION LONGITUDINAL HEMISPHERE (E OR W) ALTNUM IS THE NUMERIC VALUE FOR THE HEIGHT OF THE STATION ALTUNT IS THE UNITS FOR THE HEIGHT OF THE STATION (ALWAYS M FOR METERS) IYEAR IS THE FIRST YEAR IN THE PERIOD OF RECORD FYEAR DESIGNATES THE FINAL YEAR IN THE PERIOD OF RECORD HEADER IS THE RECORD CONTAINING THE MONTHS AND YEAR HEADINGS YEAR IS THE YEAR OF THE DATA RECORD BEING READ PRESS IS THE MEAN-MONTHLY SEA-LEVEL OR STATION-LEVEL PRESSURE EXPRESSED IN MILLIBARS YR IS THE FIRST THREE DIGITS OF THE YEAR (YEAR) GIVEN AT THE BEGINNING OF THE DATA RECORD N IS THE LAST DIGIT OF THE YEAR (YEAR) GIVEN AT THE BEGINNING OF THE DATA RECORD. THIS VARIABLE IS USED AS A COUNTER TO READ THE BLANK LINE THAT FOLLOWS THE LAST YEAR OF EACH DECADE IN THE DATA FILES. FILE NDP032.PRS CONTAINS PRESSURE DATA FOR EIGHTEEN PRIMARY STATIONS AND FILE NDP032.PS2 CONTAINS DATA FOR TWELVE SECONDARY STATIONS. ALL DATA ARE EXPRESSED MILLIBARS AND MISSING VALUES ARE REPRESENTED BY -1.0. FILE NDP032.PRS CONTAINS 475 MISSING VALUES AND FILE NDP032.PS2 CONTAINS 692 MISSING VALUES. DATA FOR VOSTOK, AMUNDSEN-SCOTT, MCMURDO, AND SIPLE STATIONS ARE STATION-LEVEL PRESSURES. FOR ALL OTHER STATIONS, MONTHLY DATA ARE SEA-LEVEL PRESSURES. THE DATA FILES CONTAINING THE SURFACE AIR TEMPERATURES FOR 30 ANTARCTIC STATIONS (NDP032.TM1 & NDP032.TM2) ARE FORMATTED LIKE THE PRESSURE DATA FILES DESCRIBED ABOVE. THE VARIABLE PRESS IS REPLACED BY TEMP WHERE TEMP IS THE MEAN-MONTHLY SURFACE AIR TEMPERATURE EXPRESSED IN DEGREES CELSIUS. ALL MISSING VALUES IN THE TEMPERATURE DATA FILES ARE REPRESENTED BY -99.9. THE MONTHLY-MEAN TEMPERATURE DATA WERE CALCULATED USING THE MEAN OF OBSERVATIONS TAKEN AT FIXED HOURS. FILE NDP032.TM1 PROVIDES DATA FOR 14 STATIONS AND CONTAINS 398 MISSING VALUES. FILE NDP032.TM2 PROVIDES DATA FOR 16 STATIONS AND HAS 505 MISSING VALUES. REFERENCES DOLGEENA, I. M. AND L. S. PETROVA. EDS. 1977. GUIDE TO THE CLIMATE OF THE ANTARCTIC, VOLUME II (IN RUSSIAN). GIDROMETEOIZDAT, LENINGRAD, 425 PP. JACKA, T. H., L. CHRISTOU, AND B. J. COOK. 1984. A DATA BANK OF MEAN MONTHLY AND ANNUAL SURFACE TEMPERATURES FOR ANTARCTICA, THE SOUTHERN OCEAN AND SOUTH PACIFIC OCEAN. ANARE RESEARCH NOTES 22, ANTARCTIC DIVISION, DEPARTMENT OF SCIENCE AND TECHNOLOGY, KINGSTON, TASMANIA, 98 PP. JONES, P. D. AND D. W. S. LIMBERT. 1987. A DATA BANK OF ANTARCTIC SURFACE TEMPERATURE AND PRESSURE DATA. DOE/ER/60397-H2 TR038, OFFICE OF ENERGY RESEARCH, CARBON DIOXIDE RESEARCH DIVISION, U.S. DEPARTMENT OF ENERGY, WASHINGTON, D.C. PEPPER, J. 1954. THE METEOROLOGY OF THE FALKLAND ISLANDS AND DEPENDENCIES. FALKLAND ISLANDS DEPENDENCIES SURVEY, LONDON, 249 PP. SCHWERDTFEGER, W., L. M. DE LA CANAL, AND J. SCHOLTEN. 1959. METEOROLOGIA DESCRIPTIVA DEL SECTOR ANTARCTICO SUDAMERICANO. INSTITUTO ANTARCTICO ARGENTINA PUBLICATION NO. 7 BUENOS AIRES, 425 PP. VENTER, R. J. 1957. SOURCES OF METEOROLOGICAL DATA FOR THE ANTARCTIC. METEOROLOGY OF THE ANTARCTIC, (ED. M. P. VAN ROOY), WEATHER BUREAU PRETORIA, WEATHER BUREAU, SOUTH AFRICA, PP 17-38.