Search

Latest News

Volcanic Activity Report

Random Picture

Thermal

  THERMAL UNREST      
Attribute Attribute Name Description Format Units
         
In-situ (ground-based) measurements   Spot, depth & horiz profile, and grid measurements    
td_grd_id g-therm id An identifier for linking with other tables mediumint  
ts_id Station ID The station identifier mediumint  
td_grd_mtype Type of measurement The type of measurement (intrinsic: thermocouple; thermal IR, heat flux sensor, etc.; derived: fluxes: from CO2 flux grids or thermal grids, or chemical methods ) varchar(255)  
td_grd_time Time of measurement Time of measurement datetime  
td_grd_depth Depth of measurement Depth of measurement - used to derive geothermal gradients and/or heat flux xxx.xx m
td_grd_temp Temperature The measured temperature xxx.x deg C
td_grd_tstderr Standard error /precision of T The standard error or precision of T xx.x deg C
td_grd_ptime previous measurement time The time of the previous measurement for use only when a delta T has been reported. datetime  
td_grd_dtemp delta T The change in temperature, must supply time of previous measurement xx.x deg C
td_grd_aarea Approx area Approx area of body measured xxxxx m2
td_grd_flux Heat Flux The measured or derived heat flux, for a specific time, uses td_grd_time xxxxx W/m2
td_grd_fstderr Standard error /precision of heat flux The standard error or precision of flux xxxxx W/m2
td_grd_ggbkg background geothermal gradient The regional background geothermal gradient xx.x deg C/km
td_grd_tcond thermal conductivity The station or measurement point thermal conductivity - used in deriving heat flux with the help of Fick's law, value inferred from soil type or measured intrinsically xx.x W/(m2 degC)
td_grd_comm Comments Qualitative remarks varchar(255)  
cc_id2 Collector ID An identifier for linking to data collector information. mediumint  
td_grd_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  
         
Thermal imagery   remote thermal imagery - recorded from space, air or ground    
td_img_id thermal image id An identifier for linking with other tables mediumint  
vd_vol_id volcano id The identifier for linking to the volcano information mediumint  
cs_id Satellite ID An identifier for satellite information mediumint  
cs_name Satellite Name Satellite name, e.g., GOES 8 varchar(30)  
ci_id Sensor ID An identifier for sensor information mediumint  
ci_name Sensor Name Sensor name, e.g., MODIS, ASTER, etc varchar(30)  
td_img_salt Sensor altitude altitude of sensor during recording of image sxxxx m
td_img_slocx Sensor lat latitude of sensor during recording of image sxx.xxxxxxx deg lat
td_img_slocy Sensor long longitude of sensor during recording of image sxxx.xxxxxxx deg long
td_img_sloc_desc Sensor location desc Description of sensor location e.g., airplane/type/owner, space, crater rim, roof of a hut, observatory, etc. text  
td_img_desc Description of anomaly A description of the anomaly, e.g. hot spot at summit. varchar(255)  
td_img_time Time of image Time image was taken datetime  
td_img_bname Band name Band name, separate each band with parenthesis. text (1), (2)
td_img_bwav Band wavelength Band wavelength xx.xxx microns
td_img_jpg image The image stored as a jpg for easy reference. jpg  
td_img_psize Pixel size The pixel size xxxx m
td_img_maxrad Maximum radiance Maximum radiance of any pixel in frame xxx.x W/(m2-m) x 10^7
td_img_maxrrad Maximum relative radiance Maximum relative radiance of any pixel in frame (sr = spectral radiance, which is wavelength dependent) xxx.x W/(m2-m x sr) x 10^7
td_img_maxtemp T of hottest pixel Temperature of hottest pixel (if calibrated) xx.x deg C
td_img_maxflux Maximum Heat flux Heat flux of hottest pixel xxxx.x W/m2
td_img_ntres Nominal T resolution Nominal T resolution (per pixel) xx.x deg C
td_img_atmcorr Atmospheric correction The type of atmospheric correction procedure / method applied text  
td_img_grdtruth Thermal correction The type of thermal correction procedure / method applied using ground truth points text  
td_img_orthorct Orthorectification procedure The type of orthorectification procedure used (e.g. ESRI tool, rubber sheeting, …) text  
td_img_comm comments Comments on the measurement    
cc_id2 Collector ID An identifier for linking to data collector information. mediumint  
td_img_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  
         
Thermal image data   data table storing xyzI data of thermal images    
td_pix_id image data id image data point entry identifier autonumber  
td_img_id image data link links to remote thermal imagery data table (td_img) integer  
td_pix_elev pixel center elevation elevation at pixel center sxxxx m
td_pix_lat pixel center latitude latitude at pixel center sxx.xxxxxxx deg lat
td_pix_long pixel center longitude longitude at pixel center sxxx.xxxxxxx deg long
td_pix_rad pixel center radiance radiance at pixel center sxxxx m
td_pix_T pixel center temperature temperature at pixel center xxx.x W/(m2-m) x 10^7
td_pix_flux pixel center heat flux heat flux at pixel center xxxxx W/m2
td_pix_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  
         
(In-Situ) Thermal Station Table   permanent or temporal station delivering time-series of thermal data (T, DT, flux, gradient); data stored in td_grd    
ts_id thermal station ID An identifier for linking with other tables autonumber  
ci_id Instrument ID An identifier for linking to instrument information. mediumint  
cn_id network link Link to network information if applicable mediumint  
ts_nam benchmark name The name of the benchmark or station varchar(30)  
ts_type type of thermal feature Soil, fumarole, dome, etc. text  
ts_lat latitude The latitude of the station sxx.xxxxxxx deg lat
ts_lon longitude The longitude of the station sxxx.xxxxxxx deg long
ts_elev elevation The nominal elevation of the station sxxxx m
ts_datum Datum The datum used for the longitude and latitude. varchar(30)  
ts_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  
ts_est date established The date the station was set up in UTC stored as datetime (YYYY-MM-DD hh:mm:ss). datetime  
ts_dest end date The date the station was no longer in operation in UTC stored as datetime (YYYY-MM-DD hh:mm:ss). datetime  
ts_desc station description A description of the station or comments text  
cc_id Contact ID An identifier for linking to contact information. mediumint  
ts_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