Earth & Environmental Sciences

1. nitrate 100%
2. isotope 75%
3. watershed 73%
4. nitrogen 70%
5. natural gas extraction 55%
6. sediment mobilization 53%
7. shale 52%
8. forested catchment 46%
9. dry deposition 44%
10. solute 43%
11. snowmelt 41%
12. nitrogen oxides 41%
13. catchment 40%
14. hysteresis 38%
15. source apportionment 36%
16. timescale 35%
17. baseflow 32%
18. suspended sediment 32%
19. saturation 29%
20. wetland 26%
21. phosphorus 24%
22. atmospheric deposition 23%
23. rainfall 21%
24. water 19%
25. soil emission 18%
26. connectivity 17%
27. shale gas 17%
28. oxidation 17%
29. growing season 16%
30. optical property 14%
31. critical load 14%
32. science 14%
33. transect 14%
34. geological process 13%
35. soil water 12%
36. emission inventory 12%
37. sampling 12%
38. mobilization 11%
39. biological processes 11%
40. groundwater 10%
41. trajectory 10%
42. natural gas 9%
43. environmental change 9%
44. snow 9%
45. biogenic emission 8%
46. surface water 8%
47. monitoring 8%
48. flushing 8%