Land-ocean-atmosphere interactions and exchanges across temporal and spatial scales; Impacts (and feedbacks) of environmental change (e.g., increasing coastal urbanization, anthropogenic air-pollution, increased atmospheric CO2, nutrient enrichment, sea level rise, and changes in the frequency and severity of weather extremes) on coastal ecosystem processes, functioning and servicesRemote sensing retrieval of biogeochemical variables in estuarine and coastal regions; Underwater radiative transfer modeling; Satellite and ground-based UV remote sensing and inversion algorithms for tropospheric air quality; Space-based remote sensing applications to coastal resource management.