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The text contained the earliest known description of the Nocturnal [8] and how to make and use a sea astrolabe [9] [10] Cortés' calculations were critical in allowing explorers to ascertain their location when out of sight of land. [7] In 1574, the mathematician William Bourne, produced a popular version of the book, entitled A Regiment for ...
As sea travel became increasingly more important, sailors understood that the farther from coast they ventured, the more they would have to deal with currents, wind intensity and direction, star position based upon hemisphere, ship direction and speed. [10]
The mean annual ranges of salinity of the Sea of Cortez are between 3.5 and 3.58% at the surface. [1] Furthermore, the salinity of the water of the northern gulf is generally higher than the central and southern faunal regions due to the increased amount of evaporation that occurs in that region. [3]
The Black Sea area has been isolated and reconnected many times during the last 500,000 years. [21] Opponents of the deluge hypothesis point to clues that water was flowing out of the Black Sea basin as late as 15,000 years ago. [22] In this alternative scenario, much depends on the evolution of the Bosphorus.
Black Sea deluge hypothesis – hypothetical flood scenario Outburst flood – high-magnitude, low-frequency catastrophic flood involving the sudden release of water Atlantropa , a proposed dam in the Strait of Gibraltar that would have partially reversed the effects of the Zanclean flood.
The Colorado River Delta is the region where the Colorado River once flowed into the Gulf of California (also known as the Sea of Cortez) in eastern Mexicali Municipality in the north of the state of Baja California, in northwestern Mexico. The delta is part of a larger geologic region called the Salton Trough. [2]
The Black Sea deluge is a hypothesized catastrophic rise in the level of the Black Sea c. 5600 BC due to waters from the Mediterranean Sea breaching a sill in the Bosporus Strait. The hypothesis was headlined when The New York Times published it in December 1996, shortly before it was published in an academic journal . [ 89 ]
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 ...