It is a broad submarine shelf covered by shallow, warm seawater.
It is found throughout warmer regions of the Pacific and Indian oceans and can withstand very shallow, warm (88 °F [31 °C]) lagoon water.
Under normal conditions, the northward-blowing winds off South America cause nutrient-rich waters to upwell from below the shallow, warm surface layer.
The days passed in long beach walks, chats with the locals, swimming in the shallow warm waters and lazing beside the small hotel pool.
In limestones and dolomites that were deposited under marine conditions, commonly in shallow warm seas, much of the material initially forming the rock consists of skeletons of lime-secreting organisms.
Despite my protests, the day after we returned from her funeral, he dragged me off to Club Fit where I reluctantly stepped into the shallow, warm water pool for my first lesson.
The guide, a geologist named Carole Augereau, gave us the rundown as we trudged up: how half a billion years ago this area was the north shore of a vast supercontinent surrounded by shallow warm seas, teeming with the earliest forms of multicellular animal life.
Yet it's the staff who are largely responsible for the relaxed atmosphere; there's none of the snobbery you get in some five-star resorts, none of the irritating American-style, "How may I help you?" The other reason it's so easy to kick back is the location - the bay itself is bordered on three sides by lush forested hills and the sea is like a children's paddling pool - shallow, warm and calm.
Drop anchor, crack the cooler and wade in shallow warm waters with a handful of locals for the afternoon.
Ice Age climate swings may have come from the weakening of powerful Atlantic currents, in which shallow, warm waters move north (red), and deep, cold waters move south (blue).
During the quite calm, subtropical condition, the reef habituates are flourished by the shallow warm marine water, while due to siliciclastic influx, the reef and carbonate factory stopped and totally disappeared at the uppermost parts of Aqra formation.
