Salinity in the Labrador Sea
Salinity as a function of time at 10 meters, 200 meters, and 1,000 meters depth as recorded at Ocean Weather Station Bravo in the Labrador Sea. Deep convection is possible when the salinity difference between shallow and deep water is small. This normally occurs every winter. However, from 1968 to 1971, the presence of the fresh, shallow, Great Salinity Anomaly prevented deep convection. Unfortunately, Weather Station Bravo is no longer maintained. Scientists will need to use new technology like the PALACE float in order to reestablish such time series. Such data is essential for understanding the role of freshwater anomalies in the climate system. (Illustration by Jack Cook, WHOI)
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