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Dissolved organic matter chemistry and transport along an Arctic tundra hillslope
dataset
posted on 2018-12-04, 21:51 authored by Laurel LynchLaurel Lynch, Claudia M. Boot, Matthew Wallenstein, Timothy Covino, megan machmullerData were collected from Imnavait Creek watershed, in northern Alaska. Lysimeters were installed in hillslope or riparian landscape positions, and within the organic soil horizon (12 cm deep) or at the mineral-permafrost interface (~50 cm deep). Pore waters from each lysimeter (n=36) were measured for structural (1H-NMR) and fluorescence (EEMS) characteristics, as well as bulk chemistry (total dissolved carbon, nitrogen, phosphate). Potassium bromide was applied as a conservative tracer to estimate the velocity of water movement downslope (preferential flow) and down-valley (lateral flow).
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- Carbon sequestration science
- Climate change processes
- Climatology
- Ecological impacts of climate change and ecological adaptation
- Ecology not elsewhere classified
- Ecosystem function
- Other environmental sciences not elsewhere classified
- Geochemistry not elsewhere classified
- Geology not elsewhere classified
- Hydrology not elsewhere classified
- Landscape ecology
- Soil biology
- Surface water hydrology
Keywords
BiogeochemistryArcticpermafrostPore water chemistryNMR spectroscopy methodsfluorescence emission spectrumbreakthrough curvesHillslope Soilslandscape featuresCarbon Sequestration ScienceClimate Change ProcessesClimate ScienceEcological Impacts of Climate ChangeEcologyEcosystem FunctionEnvironmental ScienceGeochemistry not elsewhere classifiedHydrogeologyHydrologyLandscape EcologySoil BiologySurfacewater Hydrology
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