[1] Through various name changes Heath remained as Director of DSIR Marine and Freshwater until the point at which it was disestablished and became part of the new Crown Research Institute NIWA.
Marine Sciences Association, membership of the IUGG Tsunami Committee and the SCOR Working Group on General Circulation of the Southern Ocean.
[3] Heath provided a summary of this work at the time in a major review that sought to "review the physical oceanography of the seas around New Zealand as known up to 1982 and includes: deep-ocean water characteristics and mean flow; fronts, tides, and coastal and continental shelf oceanography; and waves and tsunamis".
He developed early understanding of the tidal mechanics of Cook Strait/Te Moana-o-Raukawa and the presence of a virtual amphidrome.
[8] Heath published some of the early work on ocean circulation in Southern McMurdo Sound, Antarctica.
These included collaboration with Janet Grieve on phytoplankton production over the Campbell Plateau, the large shallow region to the south east of New Zealand that forms part of the Zealandia submerged continent.