This is the metadata concerning the data contained in: /hpss/arch/mh0033/m300411/ARC3O_part2_data/
This is the data used for the analysis and plots in the paper: Burgard, C., Notz, D., Pedersen, L. T., and Tonboe, R. T.: The Arctic Ocean Observation Operator for 6.9 GHz (ARC3O) – Part 2: Development and evaluation, The Cryosphere, 14, 2387–2407, https://doi.org/10.5194/tc-14-2387-2020, 2020.
It contains the following:
1. assimilation_runs.tar.gz: assimilation runs
ECHAM output needed for the brightness temperature simulation, from assimilation runs conducted by F. Bunzel for Bunzel et al. (2016).
a. assim_Bootstrap - monthly files (2002-2008)
b. assim_Bootstrap_mergetime - merged files (2002-2008)
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Bootstrap assimilation run (by F. Bunzel)
MPI-ESM-LR v1.0.02p2
Years: 2002-2008
Sea ice: NSIDC/Bootstrap (concentration)
Ocean: ORA-S4 (3D temperature, 3D salinity)
Atmosphere: ERA-Interim (surface pressure, 3D vorticity, 3D divergence, 3D temperature)
c. assim_NASATeam - monthly files (2002-2008)
d. assim_NASATeam_mergetime - merged files (2002-2008)
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NASA-Team assimilation run (by F. Bunzel)
MPI-ESM-LR v1.0.02p2
Years: 2002-2008
Sea ice: NSIDC/NASA-Team (concentration)
Ocean: ORA-S4 (3D temperature, 3D salinity)
Atmosphere: ERA-Interim (surface pressure, 3D vorticity, 3D divergence, 3D temperature)
e. assim_SICCI2_50km - monthly files (2002-2008)
f. assim_SICCI2_50km_mergetime - merged files (2002-2008)
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SICCI2 50km filtered assimilation run (by F. Bunzel)
MPI-ESM-LR v1.1.00p1
Years: 2002-2008
Sea ice: ESA-CCI-2 50km filtered data (concentration)
Ocean: ORA-S4 (3D temperature, 3D salinity)
Atmosphere: ERA-Interim (surface pressure, 3D vorticity, 3D divergence, 3D temperature)
2. observations.tar.gz: Observational datasets
a. AMSRE_N25km_06V_E_2004-2008_modgrid(_hole).nc: Observed brightness temperatures downloaded from https://nsidc.org/data/nsidc-0630/versions/1 and reprocessed.
b. EUMETSAT-OSISAF_OSI-450__ESA-CCI_SICCI-25km__ICDC__SeaIceAreaandExtentTimeseries__nh_fv0.03.txt, and SIA_observations_nh.npy: Sea-ice area SICCI2, Bootstrap, and NASA Team provided by Jakob Doerr.
c. SICCI2_SIC_AMSR_50.0kmEASE2-NH-2004-2008_modgrid(_hole).nc: Retrieved sea-ice concentration downloaded from https://catalogue.ceda.ac.uk/uuid/5f75fcb0c58740d99b07953797bc041e (SICCI2) and reprocessed.
d. SMAP-vs-SMOS-vs-ASCAT-vs-AMSR-vs-ERA-vs-UB_MERIS_MPF_2011_cl005+001_75km_all_RRDB.text: Round Robin Data Package, downloaded from https://figshare.com/articles/Reference_dataset_for_sea_ice_concentration/6626549/6.
e. assim_MPI-ESM-LR.nc: random MPI-ESM ECHAM file to regrid observations on that grid.
f. seaice_conc_daily_nh_2004-2008_v03r01_modgrid(_hole).nc: Retrieved sea-ice concentration downloaded from ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_V3/north/daily/ (Bootstrap and NASA Team) and reprocessed.
3. simulated_TBs.tar.gz: simulated brightness temperatures used in the analysis
a. 20190125-1448: experiment to assess atmospheric contribution in summer
b. 20190131-1631: SICCI2 tuned
c. 20190131-1632: NASATeam (NT) tuned
d. 20190131-1633: Bootstrap (BT) tuned
e. 20190209-1546: SICCI2 experiment melt pond fraction to 0
f. 20190209-1549: BT experiment melt pond fraction to 0
g. 20190209-1552: NT experiment melt pond fraction to 0
h. 20190402-1207: NT untuned experiment
i. 20190402-1208: BT untuned experiment
j. 20190402-1210: SICCI2 untuned experiment
k. 20191112-1647: SICCI2 reference
l. 20191114-1216: BT reference
m. 20191114-1221: NT reference
n. 20200603-2009: SICCI2 sensitivity experiments
o. 20200604-0904: BT sensitivity experiments
p. 20200604-0918: NT sensitivity experiments
q. var_sens: modulated input data for sensitivity experiments
The scripts processing the data and producing the data in simulated_TBs.tar.gz can be accessed on: https://github.com/ClimateClara/scripts_paper_arc3o_part2 or by contacting