Processes affecting transfer of sediment and colloids, with associated phosphorus, from intensively farmed grasslands: tracing sediment and organic matter. - Granger, S. J.; Bol, R.; Butler, P. J.; Haygarth, P. M.; Naden, P.; Old, G.; Owens, P. N.; Smith, B. P. G. (Hydrological Processes, 2007)