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  2. Rhythmic spring - Wikipedia

    en.wikipedia.org/wiki/Rhythmic_spring

    A rhythmic spring (also: ebb and flow spring, periodic spring, intermittent spring) is a cold water spring from which the flow of water either varies or starts and stops entirely, over a fairly regular time-scale of minutes or hours. Compared to continuously flowing springs, rhythmic springs are uncommon, with the number worldwide estimated in ...

  3. Ebbing and Flowing Spring - Wikipedia

    en.wikipedia.org/wiki/Ebbing_and_Flowing_Spring

    During a period of 2 hours and 47 minutes, the spring's flow ranges from an indiscernible trickle to 500 US gallons (1,900 L; 420 imp gal) per minute. The water in Ebbing and Flowing Spring maintains a constant temperature of 34 °F (1 °C).

  4. Ebb and flow - Wikipedia

    en.wikipedia.org/wiki/Ebb_and_flow

    Ebb and flow may refer to: The movement of tides; Ebb and flow hydroponics, an agricultural technique; A pair of satellites launched by GRAIL;

  5. Tide - Wikipedia

    en.wikipedia.org/wiki/Tide

    A flow proceeding up a curved channel may have similar magnitude, even though its direction varies continuously along the channel. Surprisingly, flood and ebb flows are often not in opposite directions. Flow direction is determined by the upstream channel's shape, not the downstream channel's shape. Likewise, eddies may form in only one flow ...

  6. Ebb and flow hydroponics - Wikipedia

    en.wikipedia.org/wiki/Ebb_and_Flow_hydroponics

    Water flows in and out using the same tube. When the pump has raised water into the tray, briefly submerging the roots, the pump is rendered inactive using a switch, typically a timer, and the water flows or is pumped back down the same tube. [2] Ebb and flow systems come on according to the water-holding capacity of the medium in which the ...

  7. Tidal creek - Wikipedia

    en.wikipedia.org/wiki/Tidal_creek

    A tidal creek or tidal channel is a narrow inlet or estuary that is affected by the ebb and flow of ocean tides. [1] Thus, it has variable salinity and electrical conductivity over the tidal cycle, and flushes salts from inland soils. Tidal creeks are characterized by slow water velocity, resulting in buildup of fine, organic sediment in wetlands.

  8. Tidal prism - Wikipedia

    en.wikipedia.org/wiki/Tidal_Prism

    A tidal prism is the volume of water in an estuary or inlet between mean high tide and mean low tide, [1] or the volume of water leaving an estuary at ebb tide. [2]The inter-tidal prism volume can be expressed by the relationship: P=H A, where H is the average tidal range and A is the average surface area of the basin. [3]

  9. Chardi kala - Wikipedia

    en.wikipedia.org/wiki/Chardi_Kala

    In Sikhism, Chardi Kala (Gurmukhi: ਚੜ੍ਹਦੀ ਕਲਾ caṛhadī kalā) or Charhdi Kala, is the Punjabi term for aspiring to maintain a mental state of eternal resilience, optimism and joy; an acceptance that life ebbs and flows with hardship and to rise above that adversity.