hydrography meaning in Hindi

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A chair in hydrography has been in place since 1704 ."
In the terms of hydrography, Kosovo has limited water resources.
Minor factors are : relief, hydrography, plain and vegetation.
His work earned him the name father of hydrography .
From 1689, he headed a school of hydrography in Frontignan.
He took the opportunity to collect information on astronomy and hydrography.
Hydrography is collected under rules which vary depending on the acceptance authority.
Bathymetric surveys are a subset of the science of hydrography.
The hydrography of Colombia is one of the richest in the world.
The study of the distribution of water is hydrography.

noun.

the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation