Geophysical indices input file for TIE-GCM

<p>A GPI_NCFILE input for the thermosphere-ionosphere-electrodynamics general circulation model (TIE-GCM; Richmond et&nbsp;al.,&nbsp;1992; doi:&nbsp;10.1029/92GL00401).</p> <p>This file provides Daily F10.7, 81-day centered mean of F10.7, and Kp for the time period 1950-01-01 &ndash; 2024-04-18.</p> <p><strong>Netcdf file description</strong></p> <p>netcdf gpi_1950001_2024109 {<br>dimensions:<br>&nbsp; &nbsp; ndays = 27137 ;<br>&nbsp; &nbsp; nkp = 8 ;<br>variables:<br>&nbsp; &nbsp; int year_day(ndays) ;<br>&nbsp; &nbsp; &nbsp; &nbsp; year_day:long_name = "4-digit year followed by 3-digit day" ;<br>&nbsp; &nbsp; double f107d(ndays) ;<br>&nbsp; &nbsp; &nbsp; &nbsp; f107d:long_name = "Penticton observed daily 10.7 cm solar flux (sfu)" ;<br>&nbsp; &nbsp; double f107a(ndays) ;<br>&nbsp; &nbsp; &nbsp; &nbsp; f107a:long_name = "Penticton 81-day average 10.7 cm solar flux (sfu)" ;<br>&nbsp; &nbsp; double kp(ndays, nkp) ;<br>&nbsp; &nbsp; &nbsp; &nbsp; kp:long_name = "GFZ 3-hourly Kp index" ;</p> <p>// global attributes:<br>&nbsp; &nbsp; &nbsp; &nbsp; :title = "Geophysical indices input file for TIE-GCM" ;<br>&nbsp; &nbsp; &nbsp; &nbsp; :history = "Created: Wed May 29 16:34:45 2024" ;<br>&nbsp; &nbsp; &nbsp; &nbsp; :yearday_beg = 1950003 ;<br>&nbsp; &nbsp; &nbsp; &nbsp; :yearday_end = 2024107 ;<br>&nbsp; &nbsp; &nbsp; &nbsp; :author = "Timothy Kodikara (DLR.de)" ;<br>&nbsp; &nbsp; &nbsp; &nbsp; :write_source = "make_tiegcm_gpincfile.py, write_gpi_ncfile.py" ;<br>&nbsp; &nbsp; &nbsp; &nbsp; :Kp_source = "Geomagnetic Observatory Niemegk, GFZ German Research Centre for Geosciences [doi.org/10.5880/Kp.0001]" ;<br>&nbsp; &nbsp; &nbsp; &nbsp; :F107_source = "Observed solar flux provided by the Dominion Radio Astrophysical Observatory and Natural Resources Canada [ftp://ftp.seismo.nrcan.gc.ca/spaceweather/solar_flux/daily_flux_values/fluxtable.txt]" ;<br>&nbsp; &nbsp; &nbsp; &nbsp; :info = "When using this file, please cite the source as https://doi.org/10.5281/zenodo.8017409" ;<br>}</p>