Spatiotemporal scaling of hydrological and agrochemical export dynamics in a tile-drained Midwestern watershed

K. Guan, S. E. Thompson, C. J. Harman, N. B. Basu, P. S. C. Rao, M. Sivapalan, A. I. Packman, P. K. Kalita

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Abstract

Conceptualizing catchments as physicochemical filters is an appealing way to link streamflow discharge and concentration time series to hydrological and biogeochemical processing in hillslopes and drainage networks. Making these links explicit is challenging in complex watersheds but may be possible in highly modified catchments where hydrological and biogeochemical processes are simplified. Linking hydrological and biogeochemical filtering in highly modified watersheds is appealing from a water quality perspective in order to identify the major controls on chemical export at different spatial and temporal scales. This study investigates filtering using a 10 year data set of hydrological and biogeochemical export from a small (

Original languageEnglish
Article numberARTN W00J02
Number of pages15
JournalWater Resources Research
Volume47
DOIs
Publication statusPublished - 11 May 2011
Externally publishedYes

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