CL
Climate: Past, Present & Future

Pratirupa Bardhan

Pratirupa is a Research Assistant Professor at the Department of Geology & Environmental Science, the University of Pittsburgh in the USA. Prior to that she was a Humboldt postdoctoral fellow at GEOMAR, Kiel in German. Her doctoral research was conducted at the CSIR-National Institute of Oceanography, Goa, India. An aquatic biogeochemist by training, she is interested in studying the bioessential elements in natural environments , marine and freshwater with special emphasis on low-oxygen systems. She loves working in the field and the lab and is passionate about science communication. She bellieves representation matters and wants to use her voice to encourage future generations of scientists from underrepresented spaces.

Inside the Baltic Sea N2O Hunt: Tracing Sources using Isotopic tools

March 6, 2026
Inside the Baltic Sea N2O Hunt: Tracing Sources using Isotopic tools
Image courtesy of the author. Used with permission.

Nitrous oxide (N2O), commonly known as laughing gas, is one of the most important greenhouse gases, and its rise in the Anthropocene significantly contributes to global warming and depletion of stratospheric ozone. The marine environment, especially coastal and marginal seas, is an important (about 25%) contributor to the global atmospheric source of N2O. Nitrous oxide is primarily produced in mar ...[Read More]