Scientific Advisory Group on Ozone and Solar UV Radiation

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Terms of Reference

Core activities
● Facilitate research related to understanding short- and long-term variations of total ozone and vertical ozone distribution and solar UV radiation, and their impacts on the atmosphere and earth system, in close alignment with the recommendations of the Ozone Research Managers Meeting, and working closely with relevant international programmes and projects, in particular SPARC, as well as through joint activities with other major environmental science activities including climate, health and ecosystem research, etc.;
● Coordinate work related to the quantification of the spatial distribution and trends of total ozone and vertical ozone distribution and solar UV radiation, in particular, in support of the Vienna Convention and Ozone Assessments undertaken under the Montreal Protocol;
● Report to the relevant bodies including Global Climate Observing System on the status of the Global Ozone Observing System;
● Regularly review the status of the GAW network for measuring total and profile ozone and UV Radiation, to ensure it is fit for purpose to meet the needs of the key stakeholders, including geographic coverage, types of measurements being made and timeliness of data submission to WOUDC. Promote and facilitate the expansion of the total ozone and vertical ozone distribution and solar UV radiation global observational network in order to best meet the needs of stakeholders;
● Coordinate the efforts to obtain a fully integrated view of the total ozone and vertical ozone distribution and UV radiation through close engagement and the synergistic use of ground based, aircraft, balloon and satellite observations in model systems and data analyses;
● Actively support capacity building in countries listed in Article 5 of the Montreal Protocol, working in close partnership with UN Environment and the Vienna Convention Trust Fund Advisory Committee, through assistance and supervision of the development of relevant training materials, training delivery and specific action such as instrument relocations.

Interface with SAG
● Collaborate with SAG RG on the observations and research related to vertical ozone distribution and SAG GHG on the ozone depleting substances.

Interface with Expert Teams
● Work closely with ET-ACMQ on the assessment of the new or emerging technologies and methods, including processing algorithms, for total ozone, vertical ozone distribution and solar UV radiation and QA/QC tools;
● Work closely with ET-ACMQ on the establishment of good practice guidelines and common procedures for quality assurance;
● Work closely with ET-ACNDE on the development of the user requirements for the application relevant to total ozone and UV Radiation to meet requirements from research communities responding to global environmental challenges;
● Provide direction to the WOUDC regarding data archival and availability as well as data processing and creation of products and services to meet science for service’s needs, including metadata requirements.

Interface with WMO groups
● Collaborate with the WMO and co-sponsored programmes on the aspects of stratospheric ozone and UV radiation within the Earth System approach and addressing climate, health and agricultural, and ocean research;
● Collaborate with the relevant groups under the Technical Commission on Services in relation to UV Radiation application for health and other services.
Interface with external users and partners
● Communicate the availability of GAW observations to user communities, including ecosystem effects, health community, climate and atmospheric modelling communities;
● Encourage the use of the UV Index for public information;
● Outreach to other scientific and non-scientific communities regarding the advances in science related to the state of ozone layer and UV radiation, including production of the relevant Bulletins, as well as proper understanding and use of GAW measurement data.

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