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Water_Soil_Aquifers_Topography

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Water_Soil_Aquifers_Topography

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  • June 27, 2024
  • 2
  • 2023/2024
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Hkane
Water/Soil/Aquifers/Topography
75%- ✅Earth’s surface is covered in water
Horizon B-✅Subsoil- minerals, sand, silt and clay

Horizon C-✅Parent material, partially weathered bedrock

Bedrock-✅Impermeable, solid, unweathered rock

Porosity-✅Percentage or rock or sediment that consists of open spaces

Permeability-✅Ability of rock to let fluids pass through- spaces must be connected

Aquifer-✅An underground layer of water bearing permeable rock so groundwater can
be extracted

Zone of Aeration- ✅Zone where air fills the pore spaces (unsaturated)
Water Table-✅Barrier between zone of saturation and aeration
Water Table Level-✅Rises during periods of prolonged rainfall, drops during droughts

Zone of Saturation-✅Layer of an aquifer in which the pore space is completely filled
with water

✅Pumps water from zone of saturation
Wells-

Cone of Depression-✅Where the water table level sinks due to heavy groundwater
pumping

Confining Layer-✅Impermeable soil or bedrock
Unconfined Aquifer-✅Has a confining layer below, open soil above

Water Table Well-✅A well that pumps from an unconfined aquifer

Confined Aquifer-✅Has confining layers above and below

Artesian Well-✅A well that pumps from a confined aquifer

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