calcite compensation depth

calcite compensation depth

[′kal‚sīt käm·pən′sā·shən ‚depth]
(geology)
The depth in the ocean (about 5000 meters) below which solution of calcium carbonate occurs at a faster rate than its deposition. Abbreviated CCD.
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As a result, a shallowing of the calcite compensation depth (CCD) and dissolution of deep-sea carbonates should have occurred, thereby buffering the seawater pH change (Dickens et al.