Data Assimilation of Temperature and Precipitation in ERA5 over Greenland (1940–Present)?

I am investigating ERA5’s capability to simulate temperature and precipitation over the Greenland Ice Sheet from 1940 to the present. A key question for my methodology is: Does ERA5 assimilate temperature and precipitation datasets? which observational datasets has ERA5 assimilated in this region during this period?

Specifically, I would like to know if ERA5 includes data from:

  1. DMI (Danish Meteorological Institute) stations
    2.PROMICE stations
    3.ice core
第 1 列 第 2 列 第 3 列 第 4 列
DMI stations’ name PROMICE stations’ name ice core
Torshavn KAN_B Act11d
Ilulissat KAN_L D4
Ivittuut KAN_U Neem
Narsarsuaq KPC_L Nu
Station Nord KPC_U Summit
Ittoqqortoormiit MIT Tunnu
Dundas NUK_L Trecon
Pituffik NUK_N Humboldt
Kitsissut NUK_U NGRIP
Kitsissut QAS NGRIP1
Qaanaaq QAS_U NGRIP2
Hall Land TAS_A Renland
Kitsissorsuit TAS_L DYE3
Upernavik AWS TAS_U Camp Century
Upernavik THU_L NGT B16
Mitt. Upernavik UPE_L NGT B18
Uummannaq UPE_U NGT B19
Mitt. Qaarsut NGT B20
Qullitsat NGT B21
Qasigiannguit NGT B23
Qeqertarsuaq NGT B26
Qeqertarsuaq Heli. NGT B30
Aasiaat GRIP
Mitt. Ilulissat Braya Sø
Mitt. Aasiaat Dye
Kitsissut/Attu GISP2
Sisimiut
Kangerlussuaq
Mitt. Sisimiut
Dye 1
Maniitsoq
Mitt. Maniitsoq
Sioralik
Qoornoq
Kapisillit
Nuuk
Kangerluarsoruseq
Ukiivik
Qeqertarsuatsiaat
Paamiut
Kangilinnguit
Arsuk
Narsalik
Nunarsuit
Mitt. Narsarsuaq
Narsarsuaq Radisonde
Qaqortoq
Qaqortoq Heliport
Qassimiut
Narsaq
Alluitsup PAA Helip.
Nanortalik
Angissoq
Narsaq Kujalleq
Kap Morris Jesup
Kap Harald Moltke
Station Nord AWS
Henrik Krøyer Holme
Danmarkshavn
Daneborg
Uunarteq
Mitt. Nerlerit Inaat
Jameson Land
Aputiteeq
Tasiilaq
Mitt. Kulusuk
DYE 4
Orsuiagssuaq
Ikermit
Timmiarmiut
Ikermiuarsuk
Qulleq
Ikerasassuaq
Summit
DYE 2
DYE 3