Table 1.
Bulk deposition during 1888–1997
| N, kg⋅ha−1 | Years | Ref. | |
|---|---|---|---|
| Geneva, NY | 7.4 | 1922–1928 | 19 |
| Ithaca, NY | 4.9 | 1918–1925 | 20 |
| Mays Point, NY | 6.4 | 1965–1979 | 21 |
| Huntington Forest, NY | 6.2 | 1980s | 22 |
| Hubbard Brook, NH | 6.5 | 1972–1992 | ∗ |
| Flahult, Sweden | 5.1 | 1909 | 23 |
| Three Swedish stations | 7.1 | 1996–1997 | † |
| Rothamsted, U.K. | 4.5 | 1888–1916 | 24 |
| Rothamsted, U.K. | 5.3 | 1955–1966 | 15 |
| Woburn, U.K. | 8.7 | 1987–1996 | ‡ |
| Groningen, NL | 6.7 | 1908–1910 | 25 |
| Kollumerwaard, NL | 14.5 | 1994 | 26 |
† Aneboda, Norra Kvill, and Boa-Berg, Sweden at www.ivl.se/index.html.
‡ Woburn field near Rothamsted, wet deposition from http://www.aeat.co.uk/netcen/airqual/index/html.