Preface 1. General principles 2. The linear instability problem 3. The unbounded gradient model 4. The two-layer system 5. The bounded layer model 6. Collective instability 7. Thermohaline intrusions 8. Thermohaline staircases 9. The unified theory of secondary double-diffusive instabilities 10. Double-diffusion in active environments 11. Large-scale consequences 12. Beyond oceanography 13. Perspectives and challenges References Index.
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