Keyword
ecosystems
87 record(s)
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The OPC, manifactured by FAI, permit a - Characterization of the temporal trends of the particulate matter granulometric distribution as a support and integration to information about air quality - Real-time estimation of the PM1, PM2.5, PM10, TPS mass concentration of the airborne particulate matter. Main features - Measurement principle: laser scattering on elliptical mirror - Optical channels: 8 optical channels with thresholds having lower limits [µm]: 0.28, 0.4, 0.5, 0.7, 1.1, 2.0, 3.0, 5.0 - Sampling type: The instrument gives counts per minute, or counts per liter for each optical channel - Dimensional sensitivity: 0.28 µm (50 ± 10% count efficiency)
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A three wavelength integrating nephelometer to determine aerosol total and back scattering coefficients.
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At Askole Station, a CombiSD DNA022 sensor (LSI-Lastem, Italy) was installed. The CombiSD combines sensors for measuring both wind speed and direction in a single instrument.
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25 Halocarbons relevant for climate issues will be analysed in grab samples collected weekly.
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At Askole Station, a CM6B Pyranometer was installed. This sensor is manufactured by Kipp&Zonen (The Netherlands) company. The CM6B Pyranometer is suitable for the routine measurement of incoming global solar radiation (0.3 to 2.8 µm spectral range), diffuse sky irradiance measurements, and surface reflected solar radiation measurement research.
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At Askole Station, a CX115P Barometer was installed. This sensor is manufactured by Lsi-Lastem (Italy) company. The sensor measures atmospheric pressure.
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Askole is the last village on the route to the Baltoro Glacier and K2. It’s average elevation is 3000 m a.s.l., the village is on the right side of the valley and just north of the main river, on a moraine highland with small inclination toward the river, where local people carry out little agriculture. The station is on the lower, southern part of the moraine platform, near the edge above the river, and has open visibility toward East (valley upward), West (valley downward), South (in front of opposite side of the valley) and North (leading to the slopes of the mountain surrounding the village). The installation is located about 200 meters south from the Lorenzo Mazzoleni Dispensary in the middle of the cultivated area, protected by a resistant fencing. Geographical coordinates: Latitude: 35° 40' 50" N Longitude: 75° 48' 55" E
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Chemical Composition.
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Within the Ev-K2-CNR Project SHARE on February 2010 an Automatic Weather Station (AWS) has been installed on the debris-free surface of the Changri Nup Glacier (Nepal, Himalayas) at 5,700 m asl. The AWS is acquiring meteorological data and energy fluxes (incoming and outgoing) at the glacier surface.
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The integrating nephelometer (model TSI 3563) is a high-sensitivity device capable of measuring the scattering properties of aerosol particles. The nephelometer measures the light scattered by the aerosol and then subtracting light scattered by the walls of the measurement chamber, light scattered by the gas, and electronic noise inherent in the detectors.