Improved Carbon Flux Observations over Urban Areas Using Carbonyl Sulfide (COS) to Differentiate Contributions from Biosphere

Mary Whelan1, Brian W LaFranchi2, Ray Bambha2, Hope A Michelsen2, Marc Laurenz Fischer3, Heather D Graven4, Ian T Baker5, Thomas P Guilderson6 and J Elliott Campbell7, (1)University of California Los Angeles, Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (2)Sandia National Laboratories, Albuquerque, NM, United States, (3)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (4)Imperial College London, Physics, London, SW7, United Kingdom, (5)Colorado State University, CIRA, Fort Collins, United States, (6)University of California at Santa Clara, Santa Clara, United States, (7)University of California Merced, Merced, United States