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  2. Spring (hydrology) - Wikipedia

    en.wikipedia.org/wiki/Spring_(hydrology)

    On an average day nearly 303 million US gallons (1,150,000 m 3) of water flow from Big Spring in Missouri at a rate of 469 cubic feet per second (13.3 m 3 /s). Grand Prismatic Spring, Yellowstone National Park, Wyoming. A spring is a natural exit point at which groundwater emerges from an aquifer and flows across the ground surface as surface ...

  3. Hydraulic head - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_head

    The force per unit volume on a fluid in a gravitational field is equal to ρg where ρ is the density of the fluid, and g is the gravitational acceleration. On Earth, additional height of fresh water adds a static pressure of about 9.8 kPa per meter (0.098 bar/m) or 0.433 psi per foot of water column height.

  4. Discharge (hydrology) - Wikipedia

    en.wikipedia.org/wiki/Discharge_(hydrology)

    In hydrology, discharge is the volumetric flow rate (volume per time, in units of m 3 /h or ft 3 /h) of a stream. It equals the product of average flow velocity (with dimension of length per time, in m/h or ft/h) and the cross-sectional area (in m 2 or ft 2). [1] It includes any suspended solids (e.g. sediment), dissolved chemicals like CaCO

  5. Volume correction factor - Wikipedia

    en.wikipedia.org/wiki/Volume_Correction_Factor

    That is, observed temperatures above 60 °F (or the base temperature used) typically correlate with a correction factor below "1", while temperatures below 60 °F correlate with a factor above "1". This concept lies in the basis for the kinetic theory of matter and thermal expansion of matter , which states as the temperature of a substance ...

  6. Residence time - Wikipedia

    en.wikipedia.org/wiki/Residence_time

    The residence time of a fluid parcel is the total time that the parcel has spent inside a control volume (e.g.: a chemical reactor, a lake, a human body).The residence time of a set of parcels is quantified in terms of the frequency distribution of the residence time in the set, which is known as residence time distribution (RTD), or in terms of its average, known as mean residence time.

  7. Nursing degree (associate or bachelor's) - Time to complete: 2-4 years - Typical prerequisites: Diploma or GED - Typical job: Registered Nurse ($81,220 median annual earnings)

  8. Water balance - Wikipedia

    en.wikipedia.org/wiki/Water_balance

    A WRS, such as a river, an aquifer or a lake, must obey water balance. For example, the volume of water that goes into an aquifer must be equal to the amount that leaves it plus its change in storage. Under various drivers, such as, climate change, population increase, and bad management, water storage of many WRS is decreasing, say per decade ...

  9. What an Orca’s 1,000-Mile Swim Really Means - AOL

    www.aol.com/orca-1-000-mile-swim-215311132.html

    The Misconceptions About Animal Emotions. One of the biggest misconceptions is that emotions like love and grief are uniquely human. Barbara argues that such beliefs stem from a reluctance to ...