{"Context": {"@vocab": "https://schema.org/"}, "@type": "Dataset", "spatialCoverage": {"@type": "Place", "geo": {"@type": "GeoCoordinates", "latitude": "61.8474", "longitude": "24.2948"}}, "provider": {"@id": "https://etsin.fairdata.fi"}, "variableMeasured": [{"@type": "PropertyValue", "name": "Global radiation", "unit": "W m⁻²"}, {"@type": "PropertyValue", "name": "Photosynthetically active radiation", "unit": "µmol m⁻² s⁻¹"}, {"@type": "PropertyValue", "name": "Net radiation", "unit": "W m⁻²"}, {"@type": "PropertyValue", "name": "UV radiation", "unit": "W m⁻²"}, {"@type": "PropertyValue", "name": "Air temperature", "unit": "°C"}, {"@type": "PropertyValue", "name": "Relative humidity", "unit": "%"}, {"@type": "PropertyValue", "name": "Wind speed", "unit": "m s⁻¹"}, {"@type": "PropertyValue", "name": "Wind direction", "unit": "°"}, {"@type": "PropertyValue", "name": "Air pressure", "unit": "hPa"}, {"@type": "PropertyValue", "name": "Soil water content", "unit": "m³ m⁻³"}, {"@type": "PropertyValue", "name": "Soil temperature", "unit": "°C"}, {"@type": "PropertyValue", "name": "Precipitation", "unit": "mm"}, {"@type": "PropertyValue", "name": "Rainfall", "unit": "mm"}, {"@type": "PropertyValue", "name": "WMO weather code", "unit": ""}, {"@type": "PropertyValue", "name": "Snow depth", "unit": "cm"}, {"@type": "PropertyValue", "name": "CO2 concentration", "unit": "ppm"}, {"@type": "PropertyValue", "name": "H2O concentration", "unit": "ppth"}, {"@type": "PropertyValue", "name": "CH4 concentration", "unit": "ppm"}, {"@type": "PropertyValue", "name": "O3 concentration", "unit": "ppb"}, {"@type": "PropertyValue", "name": "SO2 concentration", "unit": "ppb"}, {"@type": "PropertyValue", "name": "NO concentration", "unit": "ppb"}, {"@type": "PropertyValue", "name": "NOx concentration", "unit": "ppb"}, {"@type": "PropertyValue", "name": "Concentrations of volatile organic compounds", "unit": "ppb"}], "datePublished": "2019-09-05", "name": "SMEAR II Hyytiälä forest meteorology, greenhouse gases, air quality and soil", "description": "This dataset contains long-term measurements of 1) atmospheric greenhouse gas and trace gas concentrations (O3, NO, NO2, SO2, CO, CO2, H2O, CH4 and VOC) and 2) meteorology, solar and terrestrial radiation, and soil done at SMEAR II research station near Hyytiälä Forestry Field Station, Juupajoki, Finland during years 1996–2018. Most recent data are available at https://smear.avaa.csc.fi/.", "keywords": ["air temperature", "relative humidity", "soil temperature", "solar radiation", "greenhouse gases", "trace gases", "air pollution", "boreal forest", "SmartSMEAR"], "url": "https://urn.fi/urn:nbn:fi:att:a8e81c0e-2838-4df4-9589-74a4240138f8", "temporalCoverage": "1996-01-01/2018-12-31", "creator": [{"creator": {"name": "Juho Aalto", "@type": "Person"}}, {"creator": {"name": "Pasi Aalto", "@type": "Person"}}, {"creator": {"name": "Petri Keronen", "@type": "Person"}}, {"creator": {"name": "Pasi Kolari", "@type": "Person"}}, {"creator": {"name": "Pekka Rantala", "@type": "Person"}}, {"creator": {"name": "Risto Taipale", "@type": "Person"}}, {"creator": {"name": "Maija Kajos", "@type": "Person"}}, {"creator": {"name": "Johanna Patokoski", "@type": "Person"}}, {"creator": {"name": "Janne Rinne", "@type": "Person"}}, {"creator": {"name": "Taina Ruuskanen", "@type": "Person"}}, {"creator": {"name": "Matti Leskinen", "@type": "Person"}}, {"creator": {"name": "Heikki Laakso", "@type": "Person"}}, {"creator": {"name": "Janne Levula", "@type": "Person"}}, {"creator": {"name": "Toivo Pohja", "@type": "Person"}}, {"creator": {"name": "Erkki Siivola", "@type": "Person"}}, {"creator": {"name": "Markku Kulmala", "@type": "Person"}}], "publisher": {"name": "University of Helsinki"}, "license": ["https://creativecommons.org/licenses/by-sa/4.0/"]}