Direct measurements improve estimates of dairy greenhouse-gas emissions

منو

" Direct measurements improve estimates of dairy greenhouse-gas emissions "
Mitloehner, Frank M; Sun, Huawei; Karlik, John F

Document Type	:	AL
Record Number	:	944577
Doc. No	:	LA9qz764vp
Language of Document	:	English
Main Entry	:	Mitloehner, Frank M; Sun, Huawei; Karlik, John F
Title & Author	:	Direct measurements improve estimates of dairy greenhouse-gas emissions [Article]\ Mitloehner, Frank M; Sun, Huawei; Karlik, John F
Title of Periodical	:	California Agriculture
Volume/ Issue Number	:	63/2
Date	:	2009
Abstract	:	California is the leading dairy state in the United States, producing 21% of the nation’s milk supply. The state’s highest concentration of dairies is in the San Joaquin Valley, a region that violates federal limits for ozone and particulate matter in the air. Volatile organic compounds and greenhouse-gas emissions from dairies contribute to regional air-quality challenges and also play a role in climate change. We used an environmentally controlled chamber to monitor greenhouse-gas emissions from dairy cattle over a 24-hour period, and we measured the emissions from waste slurry using a simulated dairy waste lagoon. This research helps to quantify emissions from dairies in California and suggests possible approaches for their mitigation.