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    Sampling of PM10 aerosol using a cascade impactor to define the chemical composition in six different size stages. The quartz filters were extracted with ultrapure water and water soluble species were determined: major ions, MSA, carboxylic acids, amino acids, sugars, phenolic compounds, and other organic water-soluble emergening pollutants.

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    Aerosol size distribution (10-500 nm) measured by a APS 3321

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    Carbon flux and its isotopic signature in arctic regions under climate change (CarIsoA) Study carbon flux by evaluating CO2 assimilation on target species. Parameters: Light curve, CO2 curve and temperature curve for on Salix polaris, Saxifraga cespitosa, Dryas octopetala and Carex polaris

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    Arctic Present Climate Change and Past Extreme Events (ARCA) The data refer to rock magnetic and paleomagnetic measurements taken at a 1-cm spacing on u-channel samples collected from piston cores from the continental platform and slope of the NW Barents Sea. Measurements were carried out in the paleomagnetic laboratory of INGV in Rome, using a superconducting rock magnetometer installed in a magnetically shielded room.

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    Atmospheric Gondola for Aerosol Profiles (AGAP) The scientific goals of AGAP are to develop novel aerosol payloads and evaluate the vertical distribution of aerosol properties in the Arctic Boundary Layer. Dataset consists in Aerosol vertical profiles gridded at a 50 m spatial resolution: R, T, P, RH, Aerosol size distribution, BC concentration, O3. Maximum altitudes 1500 m.

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    Atmospheric Gondola for Aerosol Profiles (AGAP) Developing novel aerosol payloads and evaluate the vertical distribution of aerosol properties in the Arctic Boundary Layer. Aerosol vertical profiles by tethered balloon: Aerosol vertical profiles gridded at a 50 m spatial resolution: R, T, P, RH, Aerosol size distribution, BC concentration, O3. Maximum altitudes 1500 m.

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    Arctic Present Climate Change and Past Extreme Events (ARCA) CD4 core was micromilled at 200 μm increments using a micro-milling method (Drysdale et al., 2012). The stable isotope composition of the powders was measured on CO2 gas released by reaction with 105% H3PO4 at 70°C, which was measured using a mass spectrometer. Isotopic results are reported using the conventional δ-notation in per mille (‰), with reference to the Vienna Pee Dee Belemnite (V -PDB) standard. Instrument : MC-ICPMS, Nu-Instruments Plasma, Finnigan GasBench Parameter : Th**230/U**238 and U**234/U**238 activity ratios, (δ**13)C and (δ**18)O

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    DOC fractionation: dynamic of POPs and trace metals Arctic DOC (ArcticDOC) The sampling design is projected to cover almost five sampling points in the Kongsfjorden. The sampling of surface water (approximately 100 liters for each sampling point) and sediment are aimed at the determination of persistent and emerging contaminants: POPs PFAS, CUPs, PPCPs, endocrine disruptors such as nonylphenols and bisphenol A. At the same time, with tangential-flow ultrafiltration, dissolved organic matter (DOM) will be characterized according to size fractions (colloidal and truly dissolved) and the distribution of contaminants associated to these fractions will be evaluated.

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    Snow and surface characteristics are monitored by CNR at the Climate Change Tower in Ny-Alesund.

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    ISotopic and physical-chemical MOnitoring of GLACial drainages and sea water in the Ny-Ålesund area (Svalbard) The dataset includes vertical profiles of physical-chemical performed on-site in different sites along the fjord in Kongsfjorden.