We measure carbon and oxygen isotopes in air and ice to better understand Earth systems, including the carbon cycle, past climate, and methane. In August, Jianghanyang (Ben) Li joined Department of ...

Naturally-occurring stable isotopes of water and other substances are used to trace the origin, history, sources, sinks and interactions in water, carbon and nitrogen cycles. Stable isotopes can also ...

Droughts are a serious consequence of climate change, devastating ecosystems, along with the organisms and communities who ...

Oxygen was the first stable isotope used to ... Linking winter and summer events in a migratory bird using stable carbon isotopes. Science 282, 1884-1886 (1998). Minami, H.

These unique networks provide Member States access to global and regional data sets on water isotopes (oxygen-18, deuterium and tritium ... the naturally-occurring radioisotopes of hydrogen (tritium), ...

Carbon-14 continually forms in Earth’s atmosphere when cosmic rays react with oxygen to form carbon dioxide ... leave radioactive ... [+] carbon isotopes in the growth rings of trees.