CURRENT AFFAIRS

Detailed explanation-1: -Charters the International Hydrographic Organization to collect data on hydrography. According to a resolution adopted by the U.N., June 21 is designated as World Hydrography Day to appreciate the efforts of hydrographers.

Detailed explanation-2: -World Hydrography Day, 21 June, was adopted by the International Hydrographic Organization as an annual celebration to publicise the work of hydrographers and the importance of hydrography.

Detailed explanation-3: -The Work and Contribution of Hydrographers Organizations involved in hydrography may wish to use this day to highlight the relevance of their activities and to raise awareness of the importance of the oceans and waterways to our lives.

Detailed explanation-4: -The origins of hydrography lay in the making of charts to aid navigation, by individual mariners as they navigated into new waters. These were usually the private property, even closely held secrets, of individuals who used them for commercial or military advantage.

Detailed explanation-5: -Hydrography is the science that measures and describes the physical features of the navigable portion of the Earth’s surface and adjoining coastal areas. Hydrographic surveyors study these bodies of water to see what the “floor” looks like.