relative density
relative density (r.d.) (formerly specific gravity) Ratio of the density of a substance to the density of water. Thus, the relative density of gold is 19.3: it is c.19 times denser than an equal volume of water.
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Specific Gravity , specific gravity (sp. gr.) The ratio of the weight of a substance to the weight of an equal volume of water, expressed as a number. For example, the… Relative Age , Skip to main content
relative age bottom water , bottom water The water mass that lies at the deepest part of the water column in the ocean. It is relatively dense and cold, e.g. the North Atlantic… salt wedge , salt wedge An intrusion of sea water into a tidal estuary in the form of a wedge along the bed of the estuary. The lighter fresh water from riverine… Water storage , water storage See WATER INVENTORY.
water storage See water inventory. Water , Water
Background
Water is a chemical compound needed by most plants and animals on Earth in order to sustain life. Pure water is a tasteless, odorles…
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relative density