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GAWSIS
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Measurements of aerosol-size distributions at the NCO-P (or Nepal Climate Observatory at Pyramid) site were continuously performed by using the scanning mobility particles sizer (SMPS) technique.
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High volume aerosol sampler for chemical analyses of atmospheric aerosol.
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Measurements of aerosol-size distributions at the NCO-P (or Nepal Climate Observatory at Pyramid) site were continuously performed by using the scanning mobility particles sizer (SMPS) technique. The dataset is available at http://www.rrcap.unep.org/abc/data/abc/index.html.
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At the Nepal Climate Observatory - Pyramid a UV-absorption analyser (Thermo TEI 49C UV analyzer) is used for measurement of surface ozone adopting the sampling procedures suggested within the GAW-WMO (GAW, 1992).
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The Nepal Climate Observatory - Pyramid (NCO-P, 27.95 N, 86.82 E; 5079 m a.s.l.) is located in the southern Himalayan region at the confluence of the secondary valley of Lobuche (oriented NNW-SSE) and the main Khumbu Valley. The station was placed not far from the Pyramid International Laboratory/Observatory and in proximity of the Mt. Everest base camp. All the instrumentation is housed in a wood and aluminium shelter consisting of two rooms, one for the instruments and a smaller one where batteries for the power supply are stored. The power needed to carry out the experimental activity (~ 3 kW) is provided by 96 photovoltaic panels with 120 electric storage cells. Through the aluminium roof, four sampling lines allow the sampling of gases and aerosol particles. In July 2010 the NCO-P was upgraded to GAW Global Station.
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Optical Particle Counter - Dust Monitor 190 GRIMM determining size distribution for particles with diameters ranging between 25 nm and 32 µm.
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In the Nepal Climate Observatory - Pyramid a pyranometer CMP 21 Kipp&Zonen (global solar, broadband) is installed for measuring the global solar irradiance (200-3600 nm).
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The instrument installed at NCOP for the study of chemical and isotopic composition of precipitation has these characteristics: Name:MTX Model: Wet_only Oriface_Height: 82.5 cm (0.825 m) LAB_INSTRUMENT Analysis_Method: IC Name: Dionex Model: ICS 2000 Number:: AS 50 Analysis_Method: IC Name:Dionex, Model:LC 25 Number: EG 40,ED 50, GS 50, AS 50 Analysis_Method: Spectrophotometer (UV/VIS) Name: PerkinElmer Model: Lambda 25 UV/VIS Spectrometer
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The Multi Angle Absorption Photometer (MAAP (MAAP 5012, Thermo Electron Corporation) is installed at the Nepal Climate Observatory - Pyramid for the measurement of the Black Carbon concentration unit [ng/m3].
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Measurements of aerosol-size distributions at the NCO-P (or Nepal Climate Observatory at Pyramid) site were continuously performed by using the scanning mobility particles sizer (SMPS) technique.