Coal seam gas (CSG) is extracted by pumping out groundwater, which lowers underground pressure, can lead to shrinking of geological layers and make the ground above sink over time. A new model shows how coal seam gas extraction causes land to sink by linking groundwater loss and coal shrinkage, helping predict impacts on farming in gas-producing areas.
https://eos.org/editor-highlights/tracking-the-sinking-ground-from-coal-seam-gas-extraction
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