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Portugal and Spain became the world's foremost leaders in deep water navigation and discovery because of their sailing expertise and the advancement of nautical sciences benefiting their ability to sail further, faster, more accurately, and safer than other states.
Popular discussion of this early Holocene Black Sea flood scenario was headlined in The New York Times in December 1996 [10] and later published as a book. [9] In a series of expeditions widely covered by mainstream media, a team of marine archaeologists led by Robert Ballard identified what appeared to be ancient shorelines, freshwater snail shells, drowned river valleys, tool-worked timbers ...
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 ]
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 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 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 Chapultepec aqueduct (in Spanish: acueducto de Chapultepec) was built to provide potable water to Tenochtitlan, now known as Mexico City. Tenochtitlan was the capital of the Triple Aztec Alliance empire (formed in 1428 and ruled by the Mexica, the empire joined the three Nashua states of Tenochtitlan, Texacoco, and Tlacopan). [ 1 ]
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 ...