GEO 1111 Lecture Notes - Lecture 14: Pore Space In Soil, Hydrosphere, Water Table

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GEO 1111 Full Course Notes
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GEO 1111 Full Course Notes
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Groundwater; water located beneath the earth"s surface in soil pore spaces and in fractures of rock formations. Groundwater is a major economic resource percentage of population reliant on groundwater for domestic use. Hydrosphere"s fresh water: hydrosphere made up of 2. 8% freshwater and 97. 2% oceans: glaciers 77, groundwater 22% Misconception: groundwater found in underground lakes and rivers. Groundwater found in pores of soil and sediment + fractures in bedrock. Controls on availability of groundwater: porosity; percentage of voids or pore space (vs. total volume) Determines how much groundwater can be stored. Sorted = high porosity rounded = high porosity b/c no angles less surface area: permeability and conductivity; capacity of a rock or sediment to transmit a fluid. Distribution of groundwater: unsaturated zone; water and air; percolation indersuction (- capillary forces be pumped by wells the voids in soil rock are completely water. + pressure and can by wells zone od saturation; water level in the: zone of saturation;

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