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TZID:Europe/Berlin
TZUNTIL:20180325T010000Z
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DTSTART:20151025T030000
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RDATE:20161030T030000
RDATE:20171029T030000
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UID:www.bayceer.uni-bayreuth.de-bayceer-t130715id
DTSTAMP:20260524T113543Z
DESCRIPTION:Stable isotopes of the water molecule (18O\, 2H) are commonly u
 sed in various hydrological applications. They are a powerful tool to bett
 er understand the movement of water from their source in the ocean until t
 hey leave catchments via streamflow and evapotranspiration. \nIn recent ye
 ars\, significant progress was made in measuring techniques and in the fun
 damental theory of stable isotope application in hydrology. This presentat
 ion will show research that employed stable isotopes in precipitation and 
 streamflow studies. At first\, a new high-frequency data set of stable iso
 topes in precipitation will be presented\, including measurement technique
 s and the influence of hydro-meteorological parameters on long term and sh
 ort term variations. \nFurthermore\, new theoretical concepts to investiga
 te water flowpaths and catchment transit times using stable isotopes will 
 be outlined. One approach relies on the relationship of δ2H to δ18O (via t
 he evaporation water line) in different components of the water cycle that
  eventually allows a better conceptual understanding of water flowpaths. T
 he second approach is a novel semi-parametric model that is used to calcul
 ate δ18O of streamwater and eventually infer the catchment transit time an
 d transit time distribution. These two approaches are applied in fundament
 ally different landscapes. Based on these applications\, we can conclude t
 hat different physiographic catchment characteristics require partly diffe
 rent methodological stable isotope approaches to decipher catchment functi
 on.\n \n*** invited by Luisa Hopp\, Hydrology
DTSTART;TZID=Europe/Berlin:20160609T120000
DTEND;TZID=Europe/Berlin:20160609T133000
LOCATION:H6\, GEO
SUMMARY:Dr. Julian Klaus\, Catchment and Eco-Hydrology Research Group\, Lux
 embourg Institute of Science and Technology (Homepage): Stable Isotopes in
  Hydrology: Progress in concepts and process understanding
TRANSP:TRANSPARENT
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