TITLE: Mesonet ARM Soil Water and Temperature System (SWATS) Data [JOSS] CONTACTS: Chad Bahrmann CIMMS University of Oklahoma 100 E. Boyd St., Rm. 1110 Norman, OK 73019-1011 Phone: (405) 325-1855 Fax: (405) 325-7614 Email: cbahrmann@ou.edu 1.0 DATA SET OVERVIEW This data set contains hourly resolution soil temperature and moisture data at 5, 15, 25, 35, 60, 85, 125, 175 cm depths from the Department of Energy (DOE) Atmospheric Radiation Measurement (ARM) Southern Great Plains (SGP) Soil Water and Temperature System (SWATS). These SWATS stations are located at many of the ARM SGP Extended Facilities in southern Kansas and northern Oklahoma. This data set covers the period from 20 May to 07 July 2003. These data are in netCDF format. 2.0 INSTRUMENT DESCRIPTION 2.1 Instrumentation Complete information on the ARM SWATS instrumentation is available from ARM at: http://www.arm.gov/docs/instruments/static/swats.html 2.2 Station Locations Site Elevation (m) Lat. Long. Larned, KS: EF-1 632 38.202N 99.316W Hillsboro, KS: EF-2 450 38.306N 97.301W LeRoy, KS:EF-3 338 38.201N 95.597W Plevna, KS: EF-4 513 37.953N 98.329W Halstead, KS: EF-5 440 38.114N 97.513W Towanda, KS: EF-6 409 37.842N 97.020W Elk Falls, KS: EF-7 283 37.383N 96.180W Coldwater, KS: EF-8 664 37.333N 99.309W Ashton, KS: EF-9 386 37.133N 97.266W Tyro, KS: EF-10 248 37.068N 95.788W Byron, OK: EF-11 360 36.881N 98.285W Pawhuska, OK: EF-12 331 36.841N 96.427W Lamont, OK: EF-13 318 36.605N 97.485W Ringwood, OK: EF-15 418 36.431N 98.284W Vici, OK: EF-16 602 36.061N 99.134W Morris, OK: EF-18 217 35.687N 95.856W El Reno, OK: EF-19 421 35.557N 98.017W Meeker, OK: EF-20 309 35.564N 96.988W Okmulgee, OK: EF-21 240 35.615N 96.065W Cordell, OK: EF-22 465 35.354N 98.977W Cyril, OK: EF-24 409 34.883N 98.205W 3.0 DATA COLLECTION AND PROCESSING Complete information on the ARM SWATS data collection and processing is available from ARM at: http://www.arm.gov/docs/instruments/static/swats.html General information on ARM data quality is available from ARM at: http://dq.arm.gov/cgi-bin/dqmenu.pl UCAR/JOSS conducted no processing or quality control on these data. 4.0 DATA FORMAT AND FILE NAMING 4.1 Data Format These data are in network Common Data Form (netCDF) format. For information on netCDF see: http://www.unidata.ucar.edu/packages/netcdf/index.html 4.2 File Naming Conventions The file names have the following format: sgpswatsE1.b1.20030701.000700.cdf where: sgpswats is the data type (SWATS) E1 represents the facility id (here ARM SGP extended facility 1) b1 represents the data level 2003 - four digit year 07 - two digit month 01 - two digit day 00 - two digit hour 07 - two digit minute 00 - two digit second cdf - netCDF format extention 5.0 DATA REMARKS None. 6.0 REFERENCES None.