My research spans across palaeoclimatology, atmospheric science and palaeopolution. I use stable isotopes and time series analyses to reconstruct past climate changes using cave deposits (speleothems) such as stalagmites and flowstones in places like USA, Iran, Laos, Vietnam and Romania. Using oxygen and hydrogen isotopes in water I investigate atmospheric transport of water vapour and the transmission and preservation of the climate signal from precipitation into cave deposits. More recently I began focusing on detecting past pollution events associated with metal smelting in antiquity and medieval times using peat bog deposits.

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