CLOSING THE METHANE BUDGET FOR THE US CORN BELT AND UPPER MIDWEST

Earth & Environmental Sciences

1. methane 100%
2. budget 68%
3. maize 66%
4. wetland 28%
5. anthropogenic source 19%
6. beef cattle 17%
7. agriculture 17%
8. grazing 16%
9. animal 12%
10. fermentation 11%
11. manure management system 10%
12. micrometeorology 9%
13. river 8%
14. liquid manure 8%
15. agricultural science 8%
16. remote sensing 7%
17. flux measurement 7%
18. forward modeling 6%
19. global model 6%
20. research program 5%
21. seasonality 5%
22. farm 5%
23. hydrology 5%
24. environmental factor 5%