Description
The “Groundwater: Karst Landscape (50x70cm)” chart visually explains how groundwater interacts with soluble bedrock to create distinctive surface and underground features known as karst landforms. This educational poster is ideal for geography and earth science teaching, providing detailed diagrams and labels of karst processes and features.
Key Features
The chart illustrates the appearance and structure of classic karst landscapes:
Surface features: sinkholes (dolines), sink points (swallets or ponors), disappearing streams, uvalas (merged sinkholes), solution valleys, and limestone pavements.
Subsurface features: caves, caverns, underground drainage networks, stalactites and stalagmites within caves, and groundwater pathways.
Other features: springs (emerging groundwater), karst towers, and dry valleys (ephemeral surface flow).
Diagrams highlight the movement of water through fractured limestone or similar soluble rocks, showing how chemical weathering (solution) progressively enlarges joints, bedding planes, and other weaknesses, forming complex drainage systems.
Colorful cross-sections reveal zones of soil, epikarst (weathered zone at the top of the rock), saturated aquifers, and the connectivity between surface water and groundwater in karst.
The chart often labels human impacts and the vulnerability of karst aquifers to contamination due to rapid water movement through large underground conduits, bypassing natural filtering.
Educational Use
Designed for classroom, laboratory, or field study environments, the 50x70cm format ensures clarity in group teaching and as a wall reference.
Supports curriculum topics in geology, hydrogeology, and environmental science, connecting groundwater flow with unique landforms and real-world water resource issues.