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Potential Field

  POTENTIAL FIELD DATA      
Attribute Attribute Name Description Format Units
Magnetic field strength        
fd_mag_id magnetic field strength ID An identifier for linking with other tables mediumint  
fs_id fields station ID The identifier for linking to station information mediumint  
fd_mag_time Measurement time Measurement time in UTC stored as datetime (YYYY-MM-DD hh:mm:ss). datetime  
fd_mag_f F Total field strength xxxxx.xx nT
fd_mag_compx X X Component xxxxx.xx nT
fd_mag_compy Y Y Component xxxxx.xx nT
fd_mag_compz Z Z Component xxxxx.xx nT
fd_mag_ferr Tot field strength uncertainty (F) Tot field strength uncertainty xx.xx nT
fd_mag_errx Component X uncertainty The uncertainty in the x component measurement xx.xx nT
fd_mag_erry Component Y uncertainty The uncertainty in the y component measurement xx.xx nT
fd_mag_errz Component Z uncertainty The uncertainty in the z component measurement xx.xx  
fd_mag_ref_stnid Reference stn code A link to information about the reference station mediumint  
fd_mag_highpass Highpass If there is a highpass, please enter the value in Hz above which you are measuring all frequencies. xx.x Hz
fd_mag_lowpass Lowpass If there is a lowpass, please enter the value in Hz below which you are measuring all frequencies. xx.x Hz
fd_mag_hbandpass High bandpass value If you are measuring bandpass, please enter the high value in Hz for the range you are measuring. xx.x Hz
fd_mag_lbandpass Low bandpass value If you are measuring bandpass, please enter the low value in Hz for the range you are measuring. xx.x Hz
fd_mag_comm Comments Comments on the magnetic measurements. varchar(255)  
cc_id2 Collector ID An identifier for linking to data collector information. mediumint  
ci_id Instrument ID An identifier for linking to instrument information. mediumint  
fd_mag_loaddate Load date The date this row was entered datetime  
cc_id_load Data loader ID The id linking to the person who entered this row of data mediumint  
         
         
Magnetic Vector Data        
fd_mgv_id magnetic vector ID An identifier for linking with other tables mediumint  
fs_id fields station ID The identifier for linking to station information mediumint  
fd_mgv_time Measurement time Measurement time in UTC stored as datetime (YYYY-MM-DD hh:mm:ss). datetime  
fd_mgv_dec Declination Declination xxx deg 0-360
fd_mgv_incl Inclination Inclination sxx deg 0-90
fd_mgv_comm Comments Comments varchar(255)  
cc_id2 Collector ID An identifier for linking to data collector information. mediumint  
ci_id Instrument ID An identifier for linking to instrument information. mediumint  
fd_mgv_loaddate Load date The date this row was entered datetime  
cc_id_load Data loader ID The id linking to the person who entered this row of data mediumint  
         
Electric        
fd_ele_id electric data ID An identifier for linking with other tables mediumint  
fs_id1 Ref station 1 ID The identifier for linking to the station information from which the electrode is subtracted (station A in the equation A - B). mediumint  
fs_id2 Ref station 2 ID The identifier for linking to the station information for the electrode that's being subtracted (station B in the equation A - B). mediumint  
fd_ele_time Measurement time Measurement time in UTC stored as datetime (YYYY-MM-DD hh:mm:ss). datetime  
fd_ele_ef Electric field Electric field (difference/distance). sxxxx mV
fd_ele_ef_err Electric field uncertainty Electric field uncertainty xxx mV
fd_ele_dir Direction Direction from station 1 to station 2 (angle with respect to North) xxx deg 0-360
fd_ele_highpass Highpass If there is a highpass, please enter the value in Hz above which you are measuring all frequencies. xx.x Hz
fd_ele_lowpass Lowpass If there is a lowpass, please enter the value in Hz below which you are measuring all frequencies. xx.x Hz
fd_ele_hbandpass High bandpass value If you are measuring bandpass, please enter the high value in Hz for the range you are measuring. xx.x Hz
fd_ele_lbandpass Low bandpass value If you are measuring bandpass, please enter the low value in Hz for the range you are measuring. xx.x Hz
fd_ele_spot Self Potential Self potential sxxxx mV
fd_ele_spot_err Self potential uncertainty Self potential uncertainty xxx mV
fd_ele_appres Apparent Resistivity Apparent Resistivity xxxx ohm-m
fd_ele_appres_err Apparent Resistivity uncertainty Uncertainty in apparent resistivity xxx ohm-m
fd_ele_dirres Direct Resistivity Direct Resistivity xxxx ohm-m
fd_ele_dirres_err Direct Resistivity uncertainty Uncertainty in direct resistivity xxx ohm-m
fd_ele_comm Comments Comments about the measurements text  
cc_id2 Collector ID An identifier for linking to data collector information. mediumint  
ci_id Instrument ID An identifier for linking to instrument information. mediumint  
fd_ele_loaddate Load date The date this row was entered datetime  
cc_id_load Data loader ID The id linking to the person who entered this row of data mediumint  
         
Gravity        
fd_gra_id gravity data ID An identifier for linking with other tables mediumint  
fs_id fields station ID The identifier for linking to station information mediumint  
fd_gra_time Measurement time Measurement time in UTC stored as datetime (YYYY-MM-DD hh:mm:ss). datetime  
fd_gra_fstr Field strength (g) Field strength (g) xxxx.xxx Gal
fd_gra_fstr_err Field strength (g) uncertainty Field strength (g) uncertainty xxxx.x MicroGal
fd_gra_vdisp Assoc vertical displ Comment on associated vertical displacement, if applicable (leave blank if unknown, please use 'none' if the value is known as none). text  
fd_gra_gwater Assoc gwater level Comment on associated groundwater level, if applicable (leave blank if unknown, please use 'none' if the value is known as none). text  
fd_gra_ref_stnid Ref station Link to reference station information. This station is measured in the beginning and end of each set of measurements. mediumint  
fd_gra_comm Comments Comments about the measurements varchar(255)  
cc_id2 Collector ID An identifier for linking to data collector information. mediumint  
ci_id Instrument ID An identifier for linking to instrument information. mediumint  
fd_gra_loaddate Load date The date this row was entered datetime  
cc_id_load Data loader ID The id linking to the person who entered this row of data mediumint  
         
Fields Station Table        
fs_id Fields station table ID An identifier for linking with other tables mediumint  
cn_id network id For linking to a network if applicable mediumint  
fs_code station code The code name given by the observatory text  
fs_nam station name The name of the benchmark or station text  
fs_nlat latitude The latitude of the station sxx.xxxxxxx deg lat
fs_nlon longitude The longitude of the station sxxx.xxxxxxx deg long
fs_nelev elevation The nominal elevation of the station sxxxx m
fs_datum Datum The datum used for the longitude and latitude. varchar(30)  
fs_utc difference from UTC Time zone relative to UTC - "s" = sign; read as GMT +- xx h. Will be used to convert data to local time where needed. sxx.x  
fs_est date established The date the station was set up datetime  
fs_dest stop date The date the station was permanently decommissioned. See observatory for station operation history. datetime  
fs_desc Station description A description of the station or any comments varchar(255)  
cc_id Contact ID An identifier for linking to contact information concerning this data from the contact table. mediumint  
fs_loaddate Load date The date this row was entered datetime  
cc_id_load Data loader ID The id linking to the person who entered this row of data mediumint  
         

Last Updated on 1/12/2004
By chris newhall