Elizabeth K. Coward
Papers
1
Total Citations
36
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About
Elizabeth K. Coward is a pioneering researcher in the field of gas hydrates and carbon sequestration, with a focus on deep-sea geochemistry and energy recovery. Her most notable contribution is the experimental validation of the CH₄ hydrate to CO₂ hydrate spontaneous conversion hypothesis, a breakthrough that offers a dual solution for methane extraction and carbon dioxide storage. In her landmark 2014 study, cited 36 times, Coward led a small-scale deep-sea field test demonstrating that injecting a CO₂/N₂ gas mixture into methane hydrate deposits can trigger the release of methane while simultaneously sequestering CO₂ in a stable hydrate form. This work builds on pressure cell experiments and represents a critical step toward developing environmentally sustainable methods for harvesting natural gas from subsea hydrate reservoirs. Coward’s research bridges fundamental geochemistry and applied energy science, with implications for climate change mitigation and marine resource management. Her findings have informed subsequent studies on hydrate stability and gas exchange mechanisms, solidifying her reputation as a key contributor to the emerging field of hydrate-based carbon capture and energy recovery.
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