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GAW Report, 267/Research Infrastructure Quality Assurance. Fifth International Comparison of Dobson Spectrophotometers Villa Ortúzar Observatory, Argentina, 4-22 March 2019
World Meteorological Organization (WMO) ; Glen McConville, Koji Miyagawa, and Gerardo Carbajal Benítez - WMO, 2021This report describes the Fifth Intercomparison of Dobson Spectophotometers (IC/BUA-19) carried out at the Main Buenos Aires Observatory (Villa Ortúzar) of the Servicio Meteorológico Nacional (Argentina) (SMN) from 4 March to 22 March 2019. The Dobson spectrophotometer D065 was used as a reference for comparison of measured ozone column values and to calibrate individual instruments. The Regional Standard (R-III) also participated in the event and was calibrated. Through this activity, the data obtained by individual Dobson Spectrophotometers at different measurement sites will be standardized ...
An Update on Low-cost Sensors for the Measurement of Atmospheric Composition, December 2020
Richard E. Peltier ; Núria Castell, Andrea L Clements, Tim Dye, Christoph Hüglin, Jesse H Kroll, Shih-Chun Candice Lung, Zhi Ning, Matthew Parsons, Michele Penza, Fabienne Reisen and Erika von Schneidemesser - WMO, 2021 (WMO-No. 1215)The report reflects on the state of the art in terms of accuracy, reliability and reproducibility of different sensors used for the measurements of reactive and greenhouse gases, and aerosols, along with the key analytical principles and what has been learned so far about low-cost sensors from both laboratory studies and real-world tests (up to August 2020). In some cases, scientific literature that had been accepted, but not yet published in a final form, was included in this review. Some national and international government documents were also included in this synthesis. The report includes ...
GAW Report, 266. System and Performance Audit of Surface Ozone, Carbon Monoxide, Methane, Carbon Dioxide and Nitrous Oxide at the Global GAW Station Zugspitze-Schneefernerhaus Germany, September 2020
World Meteorological Organization (WMO) ; C. Zellweger, M. Steinbacher, B. Buchmann, R. Steinbrecher - WMO, 2021The 6th system and performance audit by WCC-Empa at the global GAW station Zugspitze-Schneefernerhaus (ZSF) was conducted from 8 - 9 September 2020 in agreement with the WMO/GAW quality assurance system. This report summarises the assessment of the Zugspitze-Schneefernerhaus GAW station in general, as well as the surface ozone, methane, carbon dioxide, carbon monoxide and nitrous oxide measurements in particular. The recommendations found in this report are graded as minor, important and critical and are complemented by a priority indication and a suggested completion date.
GAW Report, 263. Report of the Fifth Methane Reference Gas Inter-comparison Experiment for Japan from 2018 to 2019
World Meteorological Organization (WMO) ; Japan Meteorological Agency (JMA); Teruo Kawasaki, Atsuya Kinoshita, Yousuke Sawa, Akihiko Murata, Shinji Morimoto, Shohei Murayama, Toshinobu Machida, Motoki Sasakawa, Kazuhiro Tsuboi - WMO, 2021The WCC-JMA organized six rounds of the CH4 reference gas inter-comparison experiments from 2001 to 2019 to quantify differences among CH4 standard scales implemented at each participating laboratory as well as to monitor the long-term stability of standard gases in Asia and the South-West Pacific. In the 5th round inter-comparison for Japan, two reference gas cylinders were circulated in turn to JMA, JAMSTEC, TU, AIST, NIES, MRI, and JMA from September 2018 to April 2019. The measurement results of JAMSTEC and WCC-JMA have shown a good agreement with differences of less than 0.4 ppb for two ...
GAW Report, 265. System and Performance audit for Non-Methane Volatile Organic Compounds at the Global GAW Station Cape Verde, December 2019
A system and performance audit for VOCs was conducted at the Cabo Verde Atmospheric Observatory (CVO) (co-organised by the Chemistry Department, University of York and by the World Calibration Centre for VOC, WCC-VOC). The audit was conducted from November 27th to December 2nd in year 2019. The observatory is operated as a global GAW station and analyses on-line air samples directly collected at the station towers. The audit was conducted according to the existing WMO/GAW guidelines and SOPs for audits . The audit directly involved the responsible site research scientist and the station manage ...
GAW Report, 264. Report of the Sixth Methane Reference Gas Inter-comparison Experiment for Asia from 2018 to 2019
World Meteorological Organization (WMO) ; Teruo Kawasaki, Atsuya Kinoshita, Yousuke Sawa, Shuangxi Fang, Haeyoung Lee, Yogesh K. Tiwari - WMO, 2021The WCC-JMA organized six rounds of the CH4 reference gas inter-comparison experiments from 2001 to 2019 to quantify differences among CH4 standard scales implemented at each participating laboratory as well as to monitor the long-term stability of standard gases in Asia and the South-West Pacific. In the 6th round robin inter-comparison for Asia, two reference gas cylinders were circulated in turn to JMA, CMA, KMA/NIMS, IITM, and JMA from January 2018 to September 2019. The inter-comparison results confirmed that the differences between each laboratory and WCC-JMA were within the GAW networ ...
GCOS, 237. Report of the Twelfth GCOS Reference Upper Air Network Implementation Coordination Meeting (GRUAN ICM-12)
World Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC); et al. - WMO, 2021
GCOS, 236. GCOS Steering Committe Twenty-eighth Session (GCOS SC-28)
World Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC); et al. - WMO, 2021
Bulletin sur les gaz à effet de serre - N°16: Bilan des gaz à effet de serre présents dans l’atmosphère, d’après les observations effectuées à l’échelle du globe en 2019
Cette édition du Bulletin contient la toute dernière analyse des observations recueillies dans le cadre du Programme de la Veille de l’atmosphère globale de l’OMM. Elle présente les fractions molaires en surface à l'échelle du globe du dioxyde de carbone (CO2), du méthane (CH4) et du protoxyde d'azote (N2O), et les compare avec les valeurs de l’année précédente et de l’époque préindustrielle. Elle donne également un aperçu de l’évolution du forçage radiatif induit par les gaz à effet de serre persistants ainsi que de la contribution de chaque gaz à cette augmentation.
GCOS, 233. Virtual Session for the 23rd Session of the Ocean Observations Panel for Climate
World Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC); et al. - WMO, 2020
WMO Greenhouse Gas Bulletin (GHG Bulletin) - No.16: The State of Greenhouse Gases in the Atmosphere Based on Global Observations through 2019
This Bulletin represents the latest analysis of observations from the WMO GAW Programme. It shows globally averaged surface mole fractions for carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) and compares them with the mole fractions during the previous year and with the preindustrial levels. It also provides insights on the change in radiative forcing by long-lived GHGs (LLGHGs) and contribution of individual gases to this increase.
GAW Report, 261. Sixth Session of the CAS Environmental Pollution and Atmospheric Chemistry Scientific Steering Committee
World Meteorological Organization (WMO) ; CAS Environmental Pollution and Atmospheric Chemistry Scientific Steering Committee, Sixth session (11-14 November 2019; Geneva, Switzerland) - WMO, 2020
Бюллетень ВМО по Парниковым Газам - № 16: Содержание парниковых газов в атмосфере по данным глобальных наблюдений в 2019 году
В настоящем бюллетене представлены результаты самого последнего анализа наблюдений, проведенных в рамках Программы ГСА ВМО. В нем приводятся глобально усредненные приземные мольные доли двуокиси углерода (CO2), метана (CH4) и закиси азота (N2O) и проведено их сравнение с мольными долями за предыдущий год и с доиндустриальными уровнями. Бюллетень также дает представление об изменении радиационного воздействия долгоживущих парниковых газов (ДПГ) и о вкладе отдельных газов в это увеличение.
لمنظمة العالمية للأرصاد الجوية نشرة غازات الاحتباس الحراري: حالة غازات الاحتباس الحراري في الغلاف الجوي استناداً إلى الرصدات العالمیة المنفذة خلال عام 2019
تمثل هذه النشرة أحدث تحليل لعمليات الرصد التي ينفذها برنامج المراقبة العالمية للغلاف الجوي التابع للمنظمة. كما أنها تبين المتوسط العالمي للكسور الجزيئية السطحية لثاني أكسيد الكربون والميثان وأكسيد النيتروز وتقارنها بالكسور الجزيئية للعام السابق وبمستويات ما قبل العصر الصناعي. وتقدم أيضاً رؤى حول التغير في القصر الإشعاعي لغازات الاحتباس الحراري طويلة العمر ومساهمة فرادى الغازات في هذه الزيادة
世界气象组织 温室气体公报 - 第16期: 基于2019年全球观测资料的大气温室气体状况
世界气象组织 (WMO) - 世界气象组织 (WMO), 2020本公报是对WMO GAW计划观测结果的最新分析。它展示了二氧化碳(CO2)、甲烷(CH4)和氧化亚氮(N2O)的全球平均表面摩尔分数，并将之与上一年和工业化前水平的摩尔分数进行了比较。公报还提供关于长寿命温室气体(LLGHG)辐射强迫的变化以及各气体对这一增长的贡献的见解。
Boletín sobre los gases de efecto invernadero - N°16: Estado de los gases de efecto invernadero en la atmósfera según las observaciones mundiales realizadas en 2019
El presente Boletín contiene el análisis más reciente de las observaciones realizadas en el marco del Programa de Vigilancia de la Atmósfera Global (VAG) de la Organización Meteorológica Mundial. En él se exponen los promedios mundiales de las fracciones molares en superficie del dióxido de carbono (CO2), el metano (CH4) y el óxido nitroso (N2O) y se comparan con las fracciones molares del año anterior y con las concentraciones de la era preindustrial. También se proporciona información sobre el incremento en el forzamiento radiativo causado por los gases de efecto invernadero (GEI) de larga d ...
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