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  2. Drawdown (hydrology) - Wikipedia

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

    [8] Static level is the level of water in the well when no water is being removed from the well by pumping. [8] Water table is the upper level of the zone of saturation, an underground surface in which the soil or rock is permanently saturated with water. [9] Well yield is the volume of water per unit time that is produced by the well from ...

  3. Halocline - Wikipedia

    en.wikipedia.org/wiki/Halocline

    In certain high latitude regions (such as the Arctic Ocean, Bering Sea, and the Southern Ocean) the surface waters are actually colder than the deep waters and the halocline is responsible for maintaining water column stability, isolating the surface waters from the deep waters. In these regions, the halocline is important in allowing for the ...

  4. Hydrogeology - Wikipedia

    en.wikipedia.org/wiki/Hydrogeology

    Hydraulic head is a directly measurable property that can take on any value (because of the arbitrary datum involved in the z term); ψ can be measured with a pressure transducer (this value can be negative, e.g., suction, but is positive in saturated aquifers), and z can be measured relative to a surveyed datum (typically the top of the well ...

  5. Glossary of geography terms (N–Z) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geography_terms...

    The average height of the high waters of the neap tides occurring at a particular location is called neap high water or high water neaps, and that of the corresponding low waters is called neap low water or low water neaps. [2] Compare spring tide. nearshore The part of a beach between the shoreline and the line at which the waves break. [2 ...

  6. Azores High - Wikipedia

    en.wikipedia.org/wiki/Azores_high

    The Azores High also known as North Atlantic (Subtropical) High/Anticyclone or the Bermuda-Azores High, is a large subtropical semi-permanent centre of high atmospheric pressure typically found south of the Azores in the Atlantic Ocean, at the Horse latitudes. It forms one pole of the North Atlantic oscillation, the other being the Icelandic Low.

  7. Flow measurement - Wikipedia

    en.wikipedia.org/wiki/Flow_measurement

    This cycle continues as the gears rotate and fluid is metered through alternating measurement chambers. Permanent magnets in the rotating gears can transmit a signal to an electric reed switch or current transducer for flow measurement. Though claims for high performance are made, they are generally not as precise as the sliding vane design. [2]

  8. Vegetation and slope stability - Wikipedia

    en.wikipedia.org/wiki/Vegetation_and_slope_stability

    Vegetation and slope stability are interrelated by the ability of the plant life growing on slopes to both promote and hinder the stability of the slope. The relationship is a complex combination of the type of soil , the rainfall regime , the plant species present, the slope aspect , and the steepness of the slope.

  9. Synoptic scale meteorology - Wikipedia

    en.wikipedia.org/wiki/Synoptic_scale_meteorology

    Most high-and low-pressure areas seen on weather maps (such as surface weather analyses) are synoptic-scale systems, driven by the location of Rossby waves in their respective hemisphere. Low-pressure areas and their related frontal zones occur on the leading edge of a trough within the Rossby wave pattern, while high-pressure areas form on the ...