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The Queensland government define confined water for recreational diving purposes as "Water which offers pool-like conditions, good visibility, and water which is shallow enough so that all divers can stand up with their heads well clear of the water". [16] Other definitions do not require such shallow depth, but may have a depth restriction.
Blackout during a shallow dive differs from blackout during ascent from a deep dive in that deep water blackout is precipitated by depressurisation on ascent from depth while shallow water blackout is a consequence of hypocapnia following hyperventilation. [11] [23] Oxygen-Haemoglobin dissociation curves
Depth of processing falls on a shallow to deep continuum. [citation needed] Shallow processing (e.g., processing based on phonemic and orthographic components) leads to a fragile memory trace that is susceptible to rapid decay. Conversely, deep processing (e.g., semantic processing) results in a more durable memory trace. [1]
Most people get around 1.5 to two hours of slow-wave sleep if they get eight hours of shut-eye. ... There’s also a condition called shallow deep syndrome, or nonrestorative sleep. This happens ...
Happiness, many people assume, is boring--a complacent state of mind for self-absorbed, uninteresting people. Consider the scene in Woody Allen's movie Annie Hall, when ... Are Shallow People ...
The orthographic depth of an alphabetic orthography indicates the degree to which a written language deviates from simple one-to-one letter–phoneme correspondence. It depends on how easy it is to predict the pronunciation of a word based on its spelling: shallow orthographies are easy to pronounce based on the written word, and deep orthographies are difficult to pronounce based on how they ...
Deep sea diving is underwater diving, usually with surface-supplied equipment, and often refers to the use of standard diving dress with the traditional copper helmet. Hard hat diving is any form of diving with a helmet , including the standard copper helmet, and other forms of free-flow and lightweight demand helmets .
The Antarctic Bottom Water shifts east when it reaches the equator, thus turning it into an eastern boundary current along the mid-Atlantic Ridge. The movement of the Antarctic Bottom Water across isopycnals is limited by deep sills. Sills are shallow seafloor regions that stop water from flowing across basins. [3]