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Task Group 1 AQ Protocols & EU Policy Support User Inputs User information needs – data products and specifications User Segments – who are the users? Policy foundation – what is the policy? Science review – what are the science questions? Strategy for Integrated Observing System User Needs Wide range of users with different needs User needs are not only data may also be an integrated product – Additionality – what can space add value to Tropospheric ozone and NO2 PM2.5/AOD warnings Some VOC as a proxy for benzene? Use ground-based measurements in NRT on a European scale. – Country to country availability Sectorisation of pollutants – define strategies Mapping of pollutants – higher resolution than ground stations (chemical weather, O3, PM, SO2, NOx, benzene (VOCs), CO) Accidental releases – where has it come from? Consequences of any abatement measure (likely outcome, cost estimate, total benefit) Forecasting – real time and information models High temporal and spatial resolution from satellite systems – synergistic use of multiple satellites instruments What are the major uncertainties? Spatial and temporal requirements As much as possible – Trade-off model and satellite Role for assimilation – How many observations do we need? – Would we need operational satellites? or could a science mission lead to a step-change improvement model that may out mode it? – What is the timescale for models to fall out kilter – Quantitative assessment of difference – Every overpass may not provide data User segment Public awareness – information Compliance – exceedences Technical basis for abatement – Models Effects community – Habitats, health Research community – Scientific basis Policy Foundation Based around AQ-FD & CLRTAP Fulfilment of directives is a driver What is the next step? – CAFÉ – improve revision of directives (PM and O3) PM10 PM2.5 (WHO) – in addition Background concentration O3 – – – – Urban AQ (NO2 hot-spots in streets) & exposure in cities Integrated assessment – Habitats directive and health issues Solvents directive (VOC) Hydrogen – hydrogen economy (way out?) Science review Science of applications – How do we turn space products into useful user products Chemical climatology – plume monitoring integrated tool for source-receptor/ emitter receiver/ source apportionment analysis – Corroboration of ground data – PM10, aerosol, CO, HCs, O3 precursors, tO3 from total column Dust retrieval over bright surfaces – health 3-D fields for model validation – Delivery of in-situ aircraft in real-time Strategy Would like to have a Chemical Weather System (Long term goal). – Have an equivalent system for AQ to EMCWF – Assimilate relevant data into a model and produce products for use by national agencies – Global scale activity for a European product To investigate whether GMES-GATO & IGACO provisions meet this.