In 2014, the mini-LHR participated in COW-GAS (PI. Ira Leifer) to monitor methane at the Cal Poly Research Dairy farm. Dairy farms are a significant source of methane in the atmosphere. https://www.coastalresearchcenter.ucsb.edu/cmi/Leifer.html https://dairy.calpoly.edu/ Instruments Miniaturized Laser Heterodyne Radiometer (Mini-LHR) Ground Instrument