What is recharge, and how can it be accomplished by human action? What will be an ideal response?


Recharge is the replacement of groundwater by natural inflow from adjacent areas. This happens, for
example, around water wells wherein pumping may temporarily draw down the water table creating a
cone of depression. Inflow from adjacent areas should ideally cause the water table to return to its
original shape, in the absence of overdraft. Artificial recharge can add water to a groundwater body
through infiltration from the surface. This is accomplished by creating holding ponds or reservoirs
located over permeable ground.

Environmental & Atmospheric Sciences

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Which of the following current migration flows is the LEAST significant in terms of total numbers of people?

A) from Asia to Europe B) from Africa to Europe C) from Asia to North America D) between and among Asian countries E) from Latin America to North America

Environmental & Atmospheric Sciences

The Moon's low average density tells us that the interior contains relatively little ________.

A. helium B. iron C. oxygen D. aluminum E. hydrogen

Environmental & Atmospheric Sciences

Research the practicality of using the atmosphere, oceans, and ice sheets as

sources of freshwater. Are any of these reservoirs currently in use? If so, by whom? If not, why do you think they are not used?Atmosphere What will be an ideal response?

Environmental & Atmospheric Sciences

All of the following are fluxes in the hydrologic cycle EXCEPT ________

A) transpiration B) evaporation C) fixation D) infiltration E) uptake

Environmental & Atmospheric Sciences