Oceanography of the Ría de Arosa (N.W. Spain)

advection annual variation Atlantic Central Water August basin bottom cal/cm² calculated central ria circulation pattern cm/s coefficient concentration deep layer deep water density dissolved organic carbon dissolved oxygen distribution diurnal diurnal variation drag coefficient drifters effect Ensenada estimated estuary evaporation frequency Galicia give given Grove Hansen and Rattray heat humidity inflow influence inner and central inner ria Isla de Arosa July July 21 La Toja m²/s m³/s main channel mean salinity meteorological mg/litre North Atlantic Central northerly winds number of observations nutrients occur ocean oceanographic outer ria Pesq phosphorus photosynthesis Pontevedra Punta Preguntoiro radiation Ría de Arosa Ría de Vigo Rianjo Rías Bajas Rio Ulla Rio Umia sea surface Secchi-depth segment sill situation summer surface salinity surface water suspended matter t-S diagram temperature and salinity thermocline tidal current tide tions upper layer upwelling velocity water mass winter Xauen µg-at/l