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Directory entires that have specified Arctic, Circumpolar as one of the geographic regions for the project/activity and are included in the AMAP, ENVINET, SAON and SEARCH directories. Note that the list of regions is not hierarchical, and there is no relation between regions (e.g. a record tagged with Nunavut may not be tagged with Canada). To see the full list of regions, see the regions list. To browse the catalog based on the originating country (leady party), see the list of countries.
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The goal of this project is to find the relationships between the UV solar spectral irradiances sampled at ground level in different cloudy situations. This information will be useful for a double target: to a better tuning of the UV Green model outputs and to evaluate the effects of the solar UV radiation on biological target. A second target is to have information about the cloud effect on computing the Umkehr model output (vertical Ozone profiles). This goal will be carried out installing in Ny-Ålesund a spectrophotometer Brewer to sample the UV irradiance synchronous with an automatic photo-camera taking pictures of sky. An analytical study of the two kinds of data allows finding the relationships searched.