![]() They are particularly interested in understanding how marine microbes transform detrital organic matter, ultimately allowing for atmospheric C to be stored in the deep ocean. They use stable isotopic (δ 13C, δ 15N) measurements coupled with high-precision radiocarbon dating ( 14C) and novel analytical chemistry tools to constrain the cycling and transformation of the ocean’s major carbon (C) and nitrogen (N) reservoirs. His lab group, the Marine Organic Geochemistry group, is focused on the biogeochemical cycling of marine carbon and nitrogen on modern to millennial timescales. In 2018, he was awarded a Canada Research Chair (Tier II) in Accelerator Mass Spectrometry and Marine Biogeochemistry. Prior to 2001, he worked on various RF transmit devices for CDMA and GSM. Inescapable Ecologies: A History of Environment, Disease, and Knowledge. He continued his research at UCI as Project Scientist and as an Associate Researcher before joining the University of Ottawa as an Assistant Professor in Earth and Environmental Sciences. In 1996, he joined the RF Analog Design Group of Qualcomm Inc., San Diego, CA. ![]() As a result, an inmate's release date may not be up-to-date. Due to the First Step Act, sentences are being reviewed and recalculated to address pending Federal Time Credit changes. He spent two years as a post-doctoral scholar at the UC Irvine, Keck Carbon Cycle Accelerator Mass Spectrometry Lab. Locate the whereabouts of a federal inmate incarcerated from 1982 to the present. Brett Walker received his PhD in Ocean Sciences in 2010 from the University of California, Santa Cruz (USA). Brett Walker may also have lived outside of Northridge, such as Canoga Park, Granada Hills and 2 other cities in California.
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