AOWD CHAPTER 5.03. CURRENTS

Other factors, beyond that of tides, affect the movement of large bodies of water; it is important to understand what these factors are, how these currents impact the ocean environment and what affects they have on diving. The ocean’s temperature and saline content...

AOWD CHAPTER 5.02. TIDES

In the 17th century, English physicist and mathematician Isaac Newton described the tidal effects that the moon and the sun have on the Earth. Newton explained that the gravitational attraction of the moon, and to a much lesser extent, the sun, causes water swelling,...

AOWD CHAPTER 5.01. INTRODUCTION

Throughout this manual, we have focused on many factors that play a role in regard to the location, duration, depth, visibility and time of day of your dives. We have also briefly discussed other considerations such as currents, shore and boat diving, and dive...

AOWD CHAPTER 4.23. SUMMARY

To an untrained, uniformed diver, deep diving does not appear to be that much different than diving in shallow water. This may very well be true when looking at it from a purely physical standpoint. However, as we have outlined in this chapter, this is not the case....