The science and technology case for a global network of compact, low cost ground-based laser heterodyne radiometers for column measurements of CO2 and CH4

Gregory Clarke1, Emily Lynn Wilson2, Paul I Palmer3, Liang Feng4, Jianping Mao5, Anand K Ramanathan6, Lesley E Ott7, Bryan N Duncan8, Hilary Melroy1, Matthew McLinden9 and AJ DiGregorio10, (1)American University, Physics, Washington, DC, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)University of Edinburgh, School of GeoSciences, Edinburgh, United Kingdom, (4)University of Edinburgh, NCEO, Edinburgh, EH9, United Kingdom, (5)University of Maryland and NASA Goddard Space Flight Center, Greenbelt, MD, United States, (6)Earth System Science Interdisciplinary Center, COLLEGE PARK, MD, United States, (7)NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, MD, United States, (8)NASA Goddard Space Flight Center, Atmospheric Chemistry and Dynamics Laboratory, Greenbelt, MD, United States, (9)NASA Goddard Space Flight Center, Mesoscale Atmospheric Processes, Greenbelt, MD, United States, (10)American University, Washington, DC, United States