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Pierre Perrault (c. 1608, in Paris – 1680, in Paris) was a Receiver General of Finances for Paris and later a scientist who developed the concept of the hydrological cycle. He and Edme Mariotte were primarily responsible for making hydrology an experimental science. [1]
The ocean plays a key role in the water cycle as it is the source of 86% of global evaporation. [2] The water cycle involves the exchange of energy, which leads to temperature changes. When water evaporates, it takes up energy from its surroundings and cools the environment. When it condenses, it releases energy and warms the environment.
Tikal (/ t i ˈ k ɑː l /; Tik'al in modern Mayan orthography) is the ruin of an ancient city, which was likely to have been called Yax Mutal, [2] found in a rainforest in Guatemala. [3] It is one of the largest archeological sites and urban centers of the pre-Columbian Maya civilization .
In AD 378, Teotihuacan decisively intervened at Tikal and other nearby cities, deposed their rulers, and installed a new Teotihuacan-backed dynasty. [47] This intervention was led by Siyaj Kʼakʼ ("Born of Fire"), who arrived at Tikal in early 378. The king of Tikal, Chak Tok Ichʼaak I, died on the same day, suggesting a violent takeover. [48]
The Central Acropolis of the ancient Maya city of Tikal is an architectural complex located immediately to the south of the Great Plaza. [1] Tikal is one of the most important archaeological sites of the pre-Columbian Maya civilization and is located in the Petén Department of northern Guatemala.
A biogeochemical cycle, or more generally a cycle of matter, [1] is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust. Major biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule is ...
Disruptions to the water cycle are “deeply intertwined” with climate change, the report found. A stable supply of green water is vital for supporting vegetation that can store planet-heating ...
Tikal National Park is a national park located in Guatemala, in the northern region of the Petén Department. Stretching across 57,600 hectares (220 sq mi), it contains the ancient Mayan city of Tikal and the surrounding tropical forests, savannas, and wetlands. [ 2 ]