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  2. Multilevel groundwater monitoring systems - Wikipedia

    en.wikipedia.org/wiki/Multilevel_groundwater...

    An essential design element of all MLS systems is that they must prevent hydraulic connection of the various monitored intervals within the wellbore. [1] While installed primarily in water-saturated sediments and rock, MLS systems can also be installed in the vadose zone for the collection of depth-discrete soil gas samples. Hybrid MLS systems ...

  3. Dispersion (geology) - Wikipedia

    en.wikipedia.org/wiki/Dispersion_(geology)

    The best management approach to these soils is simply to avoid their disturbance. Maintaining vegetation cover of the soil is also important to minimize soil dispersion. [5] In agricultural systems, this may mean making an effort to prevent surface soil loss and/or damage, as the surface soil and ground cover form a protective barrier.

  4. Groundwater recharge - Wikipedia

    en.wikipedia.org/wiki/Groundwater_recharge

    Road networks and infrastructure within cities prevent surface water from percolating into the soil, resulting in most surface runoff entering storm drains for local water supply. As urban development continues to spread across various regions, groundwater recharge rates will increase relative to the existing rates of the previous rural region.

  5. Soil management - Wikipedia

    en.wikipedia.org/wiki/Soil_management

    Tilling the soil, or tillage, is the breaking of soil, such as with a plough or harrow, to prepare the soil for new seeds. Tillage systems vary in intensity and disturbance. Conventional tillage is the most intense tillage system and disturbs the deepest level of soils. At least 30% of plant residue remains on the soil surface in conservation ...

  6. Drilling fluid - Wikipedia

    en.wikipedia.org/wiki/Drilling_fluid

    Used while drilling oil and natural gas wells and on exploration drilling rigs, drilling fluids are also used for much simpler boreholes, such as water wells. The two main categories of drilling fluids are water-based muds (WBs), which can be dispersed and non-dispersed, and non-aqueous muds, usually called oil-based muds (OBs).

  7. Soil moisture improves in Illinois - AOL

    www.aol.com/weather/soil-moisture-improves...

    Illinois has received 3.41 inches of rain in the first half of July, 1.6 inches more than in the entire month of June, and leading to higher soil moisture across the state. Levels at 4 ...

  8. Cockroaches, moldy floor and no hot water: Latest Sacramento ...

    www.aol.com/cockroaches-moldy-floor-no-hot...

    Lighter Side. Medicare. new

  9. Aquifer test - Wikipedia

    en.wikipedia.org/wiki/Aquifer_test

    the head loss over the well screen is negligible, aquifer is infinite in radial extent, horizontal (not sloping), flat, impermeable (non-leaky) top and bottom boundaries of aquifer, groundwater flow is horizontal; no other wells or long term changes in regional water levels (all changes in potentiometric surface are the result of the pumping ...