Hydrology and Earth System Sciences www.hydrol-earth-syst-sci.net 1027-5606 1607-7938 10 6 2006 10.5194/hess-10-849-2006 http://www.hydrol-earth-syst-sci.net/10/849/2006/ http://www.hydrol-earth-syst-sci.net/10/849/2006/hess-10-849-2006.html http://www.hydrol-earth-syst-sci.net/10/849/2006/hess-10-849-2006.pdf 849 859 2006-11-16 Characterization of spatial heterogeneity of groundwater-stream water interactions using multiple depth streambed temperature measurements at the reach scale C. Schmidt christian.schmidt@ufz.de M. Bayer-Raich M. Schirmer Department of Hydrogeology, UFZ Centre for Environmental Research Leipzig-Halle in the Helmholtz Association, Leipzig, Germany Streambed temperatures can be easily, accurately and inexpensively measured at many locations. To characterize patterns of groundwater-stream water interaction with a high spatial resolution, we measured 140 vertical streambed temperature profiles along a 220 m section of a small man-made stream. 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