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  2. File:El ciclo hidrosocial.pdf - Wikipedia

    en.wikipedia.org/wiki/File:El_ciclo_hidrosocial.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  3. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    Bartholomew of England held this view (1240 CE), as did Leonardo da Vinci (1500 CE) and Athanasius Kircher (1644 CE). Discovery of the correct theory The first published thinker to assert that rainfall alone was sufficient for the maintenance of rivers was Bernard Palissy (1580 CE), who is often credited as the discoverer of the modern theory ...

  4. Hydraulic head - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_head

    In fluid dynamics, head is a concept that relates the energy in an incompressible fluid to the height of an equivalent static column of that fluid. From Bernoulli's principle, the total energy at a given point in a fluid is the kinetic energy associated with the speed of flow of the fluid, plus energy from static pressure in the fluid, plus energy from the height of the fluid relative to an ...

  5. Hydrological model - Wikipedia

    en.wikipedia.org/wiki/Hydrological_model

    A hydrologic model is a simplification of a real-world system (e.g., surface water, soil water, wetland, groundwater, estuary) that aids in understanding, predicting, and managing water resources.

  6. Social cycle theory - Wikipedia

    en.wikipedia.org/wiki/Social_cycle_theory

    Social cycle theories are among the earliest social theories in sociology. Unlike the theory of social evolutionism , which views the evolution of society and human history as progressing in some new, unique direction(s), sociological cycle theory argues that events and stages of society and history generally repeat themselves in cycles.

  7. Head of the River Fours - Wikipedia

    en.wikipedia.org/wiki/Head_of_the_River_Fours

    The idea for a Tradesmen's Tideway Head Race for fours, was first mooted in the early 1950s by the Thames Amateur Rowing Association (the TARA). [ n 1 ] After picking a date for the new race the TARA dropped their plans after learning that the Tradesmen's Rowing Clubs Association had also started to organise a similar open fours race.

  8. Cargo - Wikipedia

    en.wikipedia.org/wiki/Cargo

    LTL shipments range from 50 to 7,000 kg (110 to 15,430 lb), being less than 2.5 to 8.5 m (8 ft 2.4 in to 27 ft 10.6 in) the majority of times. The average single piece of LTL freight is 600 kg (1,323 lb) and the size of a standard pallet. Long freight and/or large freight are subject to extreme length and cubic capacity surcharges.

  9. The Pendragon Cycle - Wikipedia

    en.wikipedia.org/wiki/The_Pendragon_Cycle

    The Pendragon Cycle is a series of historical fantasy books based on Arthurian legend, written by Stephen R. Lawhead.The cycle was originally planned as a four-book series, but the original publisher opted to stop after the first three books, resulting in an abrupt ending to Arthur and the existence of many unexplored stories and plotlines.