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- Chapman, Pippa J.; McDonald, Adrian T.; Tyson, Rosa; Palmer, Sheila M.; Mitchell, Gordon; Irvine, Brian
- Biogeochemistry 2010 v.101 no.1-3 pp. 281-294
- adsorption; biogeochemistry; color; dissolved organic carbon; hydrochemistry; mineral soils; pH; peat; rivers; runoff; silicon; soil horizons; statistical analysis; subwatersheds; sulfur; temporal variation; England
- ... This study compares the spatial and temporal variability of water colour for fifteen sub-catchments of the River Nidd, northeast England, in 1986 and 2006/2007. Between 1986 and 2006/2007, mean annual water colour increased in all the sub-catchments. However, there was considerable variation in the increase, which ranged from 22 to 155%. Statistical analysis revealed that the sub-catchments could ...
- Norton, S. A.; Fernandez, I. J.; Kahl, J. S.; Rustad, L. E.; Navrátil, Tomás; Almquist, H.
- Environmental monitoring and assessment 2010 v.171 no.1-4 pp. 3-21
- acidification; adsorption; alkalinity; aluminum; ammonium sulfate; atmospheric deposition; base saturation; biogeochemistry; cations; chemical treatment; ecosystems; forested watersheds; leaching; nitrogen; pH; particulates; runoff; soil acidification; streams; Maine
- ... The Bear Brook Watershed in Maine (BBWM), USA is a paired watershed study with chemical manipulation of one watershed (West Bear = WB) while the other watershed (East Bear = EB) serves as a reference. Characterization of hydrology and chemical fluxes occurred in 1987-1989 and demonstrated the similarity of the ca. 10 ha adjacent forested watersheds. From 1989-2010, we have added 1,800 eq (NH₄)₂SO₄ ...