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As such, if the routes are open only 3 months in a year, which implies bad ice conditions, the aforementioned transit could result in a loss of 3 days compared to the one passing through the Suez canal. [10] However, if the routes are open all year round, which implies perfect ice conditions, the transit could result in a gain of up to 7 days.
Polynesian voyagers would set a heading by a star near the horizon, switching to a new one once the first rose too high. A specific sequence of stars would be memorized for each route. [5] [31] [27] The Polynesians also took measurements of stellar elevation to determine their latitude. The latitudes of specific islands were also known, and the ...
The Spanish treasure fleet, or West Indies Fleet (Spanish: Flota de Indias, also called silver fleet or plate fleet; from the Spanish: plata meaning "silver"), was a convoy system of sea routes organized by the Spanish Empire from 1566 to 1790, which linked Spain with its territories in the Americas across the Atlantic.
João de Castro's work took place along the route of the Indian Ocean (1538), particularly the Arabian Sea with the Persian Gulf and the Red Sea (1538-39 and 1541). [45] While his study of the coast, navigation and winds and currents is rigorous and accurate, it is his research on terrestrial magnetism in the Atlantic and Indian oceans that ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 23 January 2025. Leif Erikson (c. 970 – c. 1020) was a famous Norse explorer who is credited for being the first European to set foot on American soil. Explorers are listed below with their common names, countries of origin (modern and former), centuries of activity and main areas of exploration. Marco ...
The Transpolar Sea Route (TSR) is a future Arctic shipping route running from the Atlantic Ocean to the Pacific Ocean across the center of the Arctic Ocean. [1] [2] The route is also sometimes called Trans-Arctic Route. In contrast to the Northeast Passage (including the Northern Sea Route) and the Northwest Passage it largely avoids the ...
2. The study and depiction of the physical features or relief of the floor of a lake or ocean. In this sense bathymetry is considered the underwater equivalent of hypsometry or topography. bay A coastal body of water that is directly connected to but recessed from a larger body of water, such as an ocean, sea, lake, or another bay.
A sea lane, sea road or shipping lane is a regularly used navigable route for large water vessels on wide waterways such as oceans and large lakes, and is preferably safe, direct and economic. During the Age of Sail , they were determined by the distribution of land masses but also by the prevailing winds , whose discovery was crucial for the ...