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International organizing committee for the WMO solid precipitation intercomparison experiment, fourth session : final report
This report provides a summary of the Fourth session of the International Organizing Committee (IOC) of the WMO Solid Precipitation Intercomparison Experiment (SPICE) that was held in Davos, Switzerland from 17 to 21 June 2013.
The IOC reviewed the outcomes of the first winter season focusing in particular on issues which were experienced on the different sites and which could affect data quality and data availability towards deciding on necessary modifications and clarifications on the overall set-up of the experiment and procedures to be followed within SPICE.
The IOC reviewed ...
International organizing committee for the WMO solid precipitation intercomparison experiment, third session : final report
This report provides a summary of the third session of the International Organizing Committee (IOC) of the WMO Solid Precipitation Intercomparison Experiment (SPICE) that was held in Brussels, Belgium on 15 October 2012. The IOC reviewed the proposal from NCAR to provide the data archive for level 1 and 2a data and approved it. It made a number of recommendations for the finalization and improvement of the proposal relevant for example to the data format, interaction with sites, and provision of maintenance information by the sites. The IOC reviewed the status of preparation of all northern he ...
International organizing committee for the WMO solid precipitation intercomparison experiment, second session : final report
This report provides a summary of the second session of the International Organizing Committee (IOC) of the WMO Solid Precipitation Intercomparison Experiment (SPICE) that was held in Boulder, USA, from 11 to 15 June 2012. The IOC reviewed the outcomes of the informal Pre-SPICE experiment that took place during the winter of 2011/12 in the interest of assessing the principles of the formal intercomparison and to address, in particular, the configuration of a working field reference using an automatic gauge. The IOC reviewed a number of aspects dealing with the configuration and operatio ...
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Evaluation of the accuracy of analysis tools for atmospheric new particle formation
Atmospheric Chemistry and Physics (ACP), Vol. 11. N° 7. Korhonen H.; Sihto S.-L.; Kerminen V.-M.; et al. - Copernicus GmbH, 2011Several mathematical tools have been developed in recent years to analyze new particle formation rates and to estimate nucleation rates and mechanisms at sub-3 nm sizes from atmospheric aerosol data. Here we evaluate these analysis tools using 1239 numerical nucleation events for which the nucleation mechanism and formation rates were known exactly. The accuracy of the estimates of particle formation rate at 3 nm (J3) showed significant sensitivity to the details of the analysis, i.e. form of equations used and assumptions made about the initial size of nucleating clusters, with the fraction o ...
IOM Report, 106. WMO Field Intercomparison of Thermometer Screens/Shields and Humidity Measuring Instruments : Ghardaïa, Algeria, November 2008 – October 2009
The WMO Combined Intercomparison of Temperature Screens/Shields in Conjunction with Humidity Measuring Instruments was carried out in Ghardaïa, Algeria from November 2008 to October 2009, at the kind invitation of the Algerian Meteorological Service and under the leadership of CIMO. This intercomparison allowed testing the performance of the instruments in desert conditions, in a dry, hot and dusty environment. It was planned to carry out a follow-up intercomparison of similar instruments in an arctic environment at a later stage. The main objectives of this intercomparison were to gain knowle ...
JCOMM Meeting Report, 87. JCOMM Marine Instrumentation Workshop for the Asia Pacific Region - final report
The JCOMM Marine Instrumentation Workshop for the Asia Pacific Region was held in Tianjin, China, from 11 to 13 July 2011 at the kind invitation of the State Oceanic Administration (SOA) and the National Centre of Ocean Standards and Metrology (NCOSM) of China.
The workshop recalled the importance of ocean observations to achieve socio-economical benefits at the global, regional, national, and local (e.g. Tianjin city) levels by addressing the requirements of WMO and IOC Applications, including the Global Framework for Climate Services (GFCS), and working in the multi-disciplinary fram ...
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