Peat is an organic sedimentary substance composed predominantly of partially decomposed plant material that accumulates under waterlogged, anoxic, and typically acidic conditions, most commonly in peatlands and bogs. It is characterized by high moisture content, low bulk density, high porosity, and significant carbon storage in the form of lignocellulosic macromolecules and humic substances. Peat’s chemical composition and degree of humification vary with botanical origin, hydrology, and decomposition stage, influencing its cation-exchange capacity, thermal properties, and behavior as a carbon reservoir, soil amendment, or precursor to coal in geological coalification processes.
Scientists used satellite data, drones and on-the-ground observations to assess the edges of existing peatlands (waterlogged ecosystems that store vast amounts of carbon). The study—led by the University of Exeter—found peatlands ...
Earth Sciences
Jun 19, 2025
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