hypsography

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hypsography

[hip′säg·rə·fē]
(geography)
The science of measuring or describing elevations of the earth's surface with reference to a given datum, usually sea level.
References in periodicals archive ?
2% and the lake hypsographic curve was linear or slightly concave (Fig.
7%, the hypsographic curve is concave, the nearshore area deepens abruptly and the deepest part of the lake is flat and gently sloping.
The results suggested that we have to consider palaeolake stages as completely different lakes with different sedimentation patterns--the hypsographic curve of Lake Juusa was convex at the beginning of the Holocene and is concave nowadays.