Wind Waves
In fluid dynamics, a wind wave, water wave, or wind-generated water wave, is a surface wave that occurs on the free surface of Body of water, bodies of water as a result from the wind blowing over the water surface. The contact distance in the wind direction, direction of the wind is known as the ''Wind fetch, fetch''. Waves in the oceans can travel thousands of kilometers before reaching land. Wind waves on Earth range in size from small capillary wave, ripples, to waves over high, being limited by wind speed, duration, fetch, and water depth. When directly generated and affected by local wind, a wind wave system is called a wind sea. Wind waves will travel in a great circle route after being generated – curving slightly left in the southern hemisphere and slightly right in the northern hemisphere. After moving out of the area of fetch, wind waves are called ''swell (ocean), swells'' and can travel thousands of kilometers. A noteworthy example of this is waves generate ...
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Porto Covo Outubro 2014-3
Porto or Oporto () is the List of cities in Portugal, second-largest city in Portugal, the capital of the Porto District, and one of the Iberian Peninsula's major urban areas. Porto city proper, which is the entire concelho, municipality of Porto, is small compared to its metropolitan area, with an estimated population of just 231,800 people in a municipality with only 41.42 km2. Porto's metropolitan area has around 1.7 million people (2021) in an area of ,Demographia: World Urban Areas
March 2010 making it the second-largest urban area in Portugal. It is recognized as a global city with a Gamma + rating from the Globalization and World Cities Research Network. Located along the Douro River estuary in northern Portugal, Porto is one of the oldest European centres, and its core was proclaimed a World He ...
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