TY JOUR TI Relation of Sentinel-2 multispectral data with surface methane and meteorological observations in summer KW methane KW satellite KW Sentinel-2 KW greenhouse gases KW monitoring KW observations KW concentrations KW Tiksi KW Arctic summer season JO Izvestia Vuzov. Geodesy and Aerophotosurveying AU Popov, N.V. AU Malinnikov, V.A. AU Natuhin, A.I. PY 2025 IS 69 PB MIIGAiK