ingv:https://data.ingv.it/metadata/iso19115/1218.xml High Resolution Upward Shortwave and Longwave Irradiances at the Thule High Arctic Atmospheric Observatory (THAAO_USLI_HR) 2026 climatologyMeteorologyAtmosphere EU open data Local SCIENCE.natural and applied sciences.physical sciences.spectrometry SCIENCE.natural and applied sciences.earth sciences SCIENCE.natural and applied sciences.earth sciences.meteorology ENVIRONMENT.natural environment.climate ENVIRONMENT.deterioration of the environment.degradation of the environment.climate change climate change Arctic amplification surface radiative balance cloud radiative effect otherRestrictions Istituto Nazionale di Geofisica e Vulcanologia - INGV Downward-looking radiometers have been installed on July 2016 to collect the upward component of the SW and LW irradiances. Eppley PSP pyranometer and PIR pyrgeometer are located about 100 m West of THAAO on a metal frame at about 2.3 m agl. Electronic levels monitor any possible deviation from the horizontal in the North-South and Est-West directions. See https://www.thuleatmos-it.it/instruments/radiometers for additional details. Radiometers are not ventilated. Data are recorded and uploaded with a 30-second time step. Regular calibrations allow our team to monitor changes of the sensitivity with time. Quality checks are perfomed based on tests recommended for sensors enrolled in the Baseline Surface Radiation Network (BSRN). None https://www.thuleatmos-it.it/dataaccess/USI/ None CEOS IDN DIF 9.7