Topic
climatologyMeteorologyAtmosphere
526 record(s)
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The Pyramid station is equipped with sensor (CM3 Kipp&Zonen) for measuring Flux Parameter. In particolar the sensor measures: Incoming and outgoing shortwave radiation.
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This archive includes non polar ice cores information from Vernagtferner glaciers available in the DISAT GEOMATIC LAB repository. A total of 3 ice cores were taken in 1979.
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The basic meteorological data are measured and recorded simultaneously by a Autmatic Weather Station. The Meteorological parameters measured are: - air temperature unit[deg C], - Atmospheric pressure[hPa], - Relative humidity[%], - Wind speed[m/s] and direction[deg], - Precipitation[mm].
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We present results of statistical trajectory source analyses applied on ozone concentrations measured at high mountain peaks within and at the fringes of the Alps supported by Lagrangian photochemical box model calculations. These analyses yielded coherent pictures of transport processes causing elevated ozone concentrations in the Alps, and of the amount of ozone produced during transport over high-emission areas. Using measurement data, specific emission areas like the Po Basin, southern Germany, the “ Black Triangle “ region and some areas in eastern Europe were identified as important source regions, causing elevated ozone concentrations in the Alps. These statistics were supported by model calculations of transport and formation of ozone, giving similar results. Mesoscale transport processes and ozone formation in the boundary layer along the pathways were found to play an important role in determining Alpine ozone concentration levels. Ozone concentration tendencies along transport pathways were quantified climatologically using the box model. During the last 24 h of transport, concentration increases of 6-13 ppb, on the average, were found along 60-80% of all trajectories reaching the Alps, depending on the specific location. These estimates were confirmed by a measurement-based analysis of ozone formation during transport over the Po Basin, obtaining values of similar order of magnitude.
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Measurements of trace gas concentration Carbon monoxide (CO) by using a Gas Chromotograph-RGD. Contained fields:Carbon monoxide[ppbv] Time Interval: hourly Sampling Type continuous Measurements started on Jan 2007 with a modified version of a commercial RGD2-Trace Analytical analyser and are still ongoing.
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Continuous Methane Concentration Measurements by using a Gas Chromotograph-RGD. Contained fields:Carbon monoxide[ppbv] Time Interval: hourly Sampling Type continuous measurements started on Jan 2007 with a modified version of a commercial RGD2-Trace Analytical analyser and are still ongoing.
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Sulfur Hexafluoride is measured by using a GC-ECD (Agilent 6890N); separation is performed on a double column system (precolumn/backflush and analytical column, both Hayesep Q), isothemrically. Each run is 15 minute long. Each ambient air sample is bracketed with calibration runs. The working standards are based on NOAA2006 scale.
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Continuous surface ozone measurements conducted since 1996 within the Global Atmospheric Watch (GAW) programme of the World Meteorological Organization.
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Black carbon was measured from July 2005 till February 2007 by using a Particle Soot Absorption Photometer (PSAP).
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Aerosol size distribution from 10 nm to 500 nm is measured by aDifferential Mobility Particle Sizer (DMPS) installed at ICO-OV in November 2005.