Coastal upwelling often reveals itself during the thermal stratification season as an abrupt sea surface temperature (SST) drop. Its intensity depends not only on the magnitude of an upwelling-favourablewind impulse but also on the temperature stratification of the water column during the initial stage of the event. When a "chain" of upwelling events is taking place. one event may pla... https://www.vwbag.com/product-category/dongs-non-vibrating/