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GAW Report, 243. Report of the Fifth Erythemal UV Radiometers Intercomparison
This report presents the background information, procedures and results of the intercomparison of erythemal UV sensors carried out at the Central Observatory of Buenos Aires (OCBA) in 2018 against reference radiometers calibrated at the World Radiation Center (PMOD/WRC) in Davos during 2017. In this way, the data obtained at the measurement sites will be standardized and will be comparable locally and globally. Twenty sensors were calibrated, belonging to Argentine monitoring and research institutions. The associated relative uncertainty of each sensor was also estimated.
GAW Report, 242. 19th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases and Related Measurement Techniques (GGMT-2017)
The meeting reviewed current WMO data quality objectives, reference scales and observation strategies, including calibration, quality control, data management and archiving. Target species were carbon dioxide and other greenhouse gases, stable isotopes, and radiocarbon in greenhouse gas measurements. The workshop discussed in detail the harmonization and quality control of isotope measurements, the extension of the measurement network towards more polluted and urban areas, the use of low-cost sensors, and the collaboration of the scientific greenhouse gas and carbon cycle community with the me ...
GAW Report, 240. Report of the Second International UV Filter Radiometer Calibration Campaign UVC-II
The objective of the campaign was to provide a calibration traceable to the WCC-UV reference for all participating radiometers, in view of homogenizing UV measurements in all participating countries.
GAW Report, 239. Calibration Methods of GC-μECD for Atmospheric SF6 Measurements
SF6 is a substance which originates only from anthropogenic sources used primarily in the electricity and electronics supply industries, e.g. the semiconductor industry, where it is used as an electronic insulator due to its inertness. SF6 is a trace gas that exists in small quantities at the level of ppt (parts-per-trillion, 1/1012) in the atmosphere, but its global warming potential is 23,500 times greater than that of CO2 when compared over a 100-year period[1]. In particular, SF6 has an atmospheric lifetime of 3,200 years upon emission, and will eventually exacerbate the man-made greenhous ...
GAW Report, 235. Vegetation Fire and Smoke Pollution Warning and Advisory System (VFSP-WAS): Concept Note and Expert Recommendations
World Meteorological Organization (WMO) ; IBBI ; The Global Fire Monitoring Center (GFMC) - WMO, 2018This concept note contains the expert recommendations resulting from discussions at the international workshop on Forecasting Emissions from Vegetation Fires and their Impacts on Human Health and Security in South-East Asia, which was hosted by the Indonesian Agency for Meteorology, Climatology and Geophysics (BMKG), Jakarta, from 29 August to 1 September 2016. The workshop was organized by the World Meteorological Organization (WMO) and the Interdisciplinary Biomass Burning Initiative (IBBI) in collaboration with the United Nations Office for Disaster Reduction/International Wildfire Prepared ...
GAW Report, 228. WMO Global Atmosphere Watch (GAW) Implementation Plan: 2016-2023
This Implementation Plan (IP) builds upon the growing importance of atmospheric composition observations and predictions, and focuses on research that enables a wide variety of Products and Services related to atmospheric composition. New GAW-lead thematic application areas will help reduce societal risks from climate change, high-impact weather and events, and urban air pollution, and support conventions and treaties focused on sustainable development. This IP is designed to help World Meteorological Organization (WMO) Members meet their needs and to support plans of national, regional, and i ...
GAW Report, 230. Airborne dust : from R&D to operational forecast : 2013-2015 Activity Report of the SDS- WAS Regional Center for Northern Africa, Middle East and Europe
The 18th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT - 2015) took place from 13 to 17 September 2015 at the Scripps Institution of Oceanography in La Jolla (CA), USA. It was the 40 th anniversary of the first GGMT meeting (then called "CO 2 Experts Meeting") which was also held at Scripps in 1974. WMO has provided the framework for all carbon dioxide experts meetings since 1975. IAEA in Vienna joined WMO as a co - organizer in 1997 due to the increased use of carbon isotopes in studying the carbon cycle. The meeting reviewed current WMO ...
GAW Report, 229. 18th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases and Related Tracers Measurement Techniques (GGMT-2015)
The 18th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT - 2015) took place from 13 to 17 September 2015 at the Scripps Institution of Oceanography in La Jolla (CA), USA. It was the 40 th anniversary of the first GGMT meeting (then called "CO 2 Experts Meeting") which was also held at Scripps in 1974. WMO has provided the framework for all carbon dioxide experts meetings since 1975. IAEA in Vienna joined WMO as a co - organizer in 1997 due to the increased use of carbon isotopes in studying the carbon cycle. The meeting reviewed current WMO ...
GAW Report, 227. WMO/GAW Aerosol Measurement Procedures, Guidelines and Recommendations
It is the goal of the Global Atmosphere Watch (GAW) programme to ensure long - term measurements in order to detect trends in global distributions of chemical constituents in air and the reasons for them (WMO, 2001a). With respect to aerosols, the objective of GAW is to determine the spatio - temporal distribution of aerosol properties related to climate forcing and air quality on multi - decadal time scales and on regional, hemispheric and global spatial scales. The objective of GAW Report No. 153, published in 2003, was to provide a synthesis of methodologies and procedures for measuring the ...
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