Jordan, Philip, Arnscheidt, Joerg, McGrogan, H and McCormick, S (2005) High-resolution phosphorus transfers at the catchment scale: the hidden importance of non-storm transfers. HYDROLOGY AND EARTH SYSTEM SCIENCES, 9 (6). pp. 685-691. [Journal article]
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High-resolution measurements of total phosphorus (TP) concentrations in a stream draining a 5 km(2) agricultural catchment (a sub-catchment of Lough Neagh in Northern Ireland) were made every 10 mins by continuous flow instrumentation using new homogenisation, digestion and colorimetric phases. Concurrently, rainfall and stream discharge data were collected at 5 and 15 min. intervals. Major P flushing episodes during storm events peaked on the rising limbs of storm hydrographs. A period of baseflow also indicated the importance of other sources that maintain the stream in a eutrophic state between storm events. These data provide insights into catchment processes that conform to definite patterns that, in a coarser sampling regime, might ordinarily be attributed to sampling and analytical `noise'.
|Item Type:||Journal article|
|Keywords:||acute and chronic phosphorus transfers; high-resolution monitoring; catchments|
|Faculties and Schools:||Faculty of Life and Health Sciences > School of Geography and Environmental Sciences|
Faculty of Life and Health Sciences
|Research Institutes and Groups:||Environmental Sciences Research Institute|
Environmental Sciences Research Institute > Freshwater Sciences
|Deposited By:||Professor Phil Jordan|
|Deposited On:||10 May 2011 11:00|
|Last Modified:||10 May 2011 11:00|
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