_:b1218220 "ISBN:044482619X"^^ . _:b1218220 . _:b1218220 "PLB:plb"^^ . _:b1218220 "The marine warm-water sphere describes a water mass extending to depths of ca. 800 to 1000 m in low and middle latitudes. It is separated from the marine cold-water sphere by the permanent marine thermocline"^^ . _:b1218220 . _:b1218220 .