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Headwater Catchments

Transit times from rainfall to baseflow in headwater catchments estimated using tritium: the Ovens River, Australia

Transit times from rainfall to baseflow in headwater catchments estimated using tritium: the Ovens River, Australia

... the headwater streams in the Ovens catchment has mean transit times of years to decades implies that these streams are buffered against rainfall variations on timescales of a few years, and most of these streams ...

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Hydrological and Biogeochemical Processes in Forested Headwater Catchments of the Southern Appalachians.

Hydrological and Biogeochemical Processes in Forested Headwater Catchments of the Southern Appalachians.

... The spatiotemporal patterns of shallow groundwater are central to understanding runoff generation in humid headwater catchments. We investigated the spatial patterns of shallow groundwater response ...

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Winter Rain versus Snow in Headwater Catchments: Responses of an Unconfined Pumice Aquifer, South Central Oregon, USA

Winter Rain versus Snow in Headwater Catchments: Responses of an Unconfined Pumice Aquifer, South Central Oregon, USA

... elevation catchments to meet demands for wildlife, agriculture, recreation, and city water supplies ...how catchments may respond to various models of climate change ...elevation catchments are ...

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Landscape heterogeneity drives contrasting concentration–discharge relationships in shale headwater catchments

Landscape heterogeneity drives contrasting concentration–discharge relationships in shale headwater catchments

... shale-underlain headwater catchments located in Pennsylvania, USA (the forested Shale Hills Critical Zone Observatory), and Wales, UK (the peatland-dominated Up- per Hafren and forest-dominated Upper Hore ...

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Headwater Catchments: Estimating Surface Drainage Extent Across North Carolina and Correlations Between Landuse, Near Stream, and Water Quality Indicators in the Piedmont Physiographic Region

Headwater Catchments: Estimating Surface Drainage Extent Across North Carolina and Correlations Between Landuse, Near Stream, and Water Quality Indicators in the Piedmont Physiographic Region

... 33 headwater catchments located in the upper Neuse River basin of North ...reference catchments were selected to represent small, medium, and large size-class ...

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Using official map data on topography, wetlands and vegetation cover for prediction of stream water chemistry in boreal headwater catchments

Using official map data on topography, wetlands and vegetation cover for prediction of stream water chemistry in boreal headwater catchments

... In the Swedish boreal landscape, mires, divided into bogs, fens and mixed mires, is the most common wetland group (L¨ofroth, 1991). There are also a number of sub-divisions of mire types that are classified by areal ...

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Modelling acidification, recovery and target loads for headwater catchments in Nova Scotia, Canada

Modelling acidification, recovery and target loads for headwater catchments in Nova Scotia, Canada

... sensitive headwater catchments in Nova Scotia to character- ize changes in surface water and soil chemistry since indus- trialization activities began in eastern North ...their catchments, which are ...

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Mean transit times in headwater catchments: insights from the Otway Ranges, Australia

Mean transit times in headwater catchments: insights from the Otway Ranges, Australia

... through catchments and the sources of stream water at dif- ferent flow conditions is critical for understanding catchment behaviour and managing water ...six headwater catchments in the Otway Ranges ...

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Importance of vegetation, topography and flow paths for water transit times of base flow in alpine headwater catchments

Importance of vegetation, topography and flow paths for water transit times of base flow in alpine headwater catchments

... the catchments during storm events ...small catchments in the Ecuadorian Andes under dif- ferent land use (extensive grazing versus intensive grazing, cultivation and ...forested catchments in the ...

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Determining the sources of nutrient flux to water in headwater catchments: Examining the speciation balance to inform the targeting of mitigation measures

Determining the sources of nutrient flux to water in headwater catchments: Examining the speciation balance to inform the targeting of mitigation measures

... sub- catchments were more similar in terms of their relative DOP and PP loadings (15 – 20% and 42 – 67% of TP load, respectively), with these frac- tions dominating TP fl ux from land to stream across all ...

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Impact of Climate Change on Streamflow Hydrology in Headwater Catchments of the Blue Nile Basin, Ethiopia

Impact of Climate Change on Streamflow Hydrology in Headwater Catchments of the Blue Nile Basin, Ethiopia

... to evaluate the impact of projected climate data on the hydrology of Main Beles and Gilgel Beles 272. subbasins for the three-time horizons: 2030s, 2060s and 2080s[r] ...

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Hydrological Controls on Nutrient Exportation from Old Growth Evergreen Rainforests and Eucalyptus nitens Plantation in Headwater Catchments at Southern Chile

Hydrological Controls on Nutrient Exportation from Old Growth Evergreen Rainforests and Eucalyptus nitens Plantation in Headwater Catchments at Southern Chile

... Figure 3 and Figure 4 show the relationship between catchment discharge and nutrient concentration for the 2 nd event and for the 4 th event. The correlations between nutrient fractions and catchments discharge ...

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Modelling the impact of prescribed global warming on runoff from headwater catchments of the Irrawaddy River and their implications for the water level regime of Loktak Lake, northeast India

Modelling the impact of prescribed global warming on runoff from headwater catchments of the Irrawaddy River and their implications for the water level regime of Loktak Lake, northeast India

... Results of the climate change scenarios suggest that unless water level management policies change, ecological modifi- cations within the lake are likely to be exacerbated whilst flooding of lakeside communities will be ...

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An assessment of trends and potential future changes in groundwater baseflow drought based on catchment response times

An assessment of trends and potential future changes in groundwater baseflow drought based on catchment response times

... 338 headwater catchments across Germany based on catchments’ characteristic response ...Germany. Catchments with longer response times can buffer interannual precipitation shifts, whereas ...

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Application of tritium in precipitation and baseflow in Japan: a case study
of groundwater transit times and storage in Hokkaido watersheds

Application of tritium in precipitation and baseflow in Japan: a case study of groundwater transit times and storage in Hokkaido watersheds

... 12 headwater catchments in Hokkaido were selected to test the method- ology of subsurface volume characterisation from estimated groundwater transit times (Małoszewski and Zuber, 1982) using high-precision ...

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A new permanent multi-parameter monitoring network in Central Asian high mountains – from measurements to data bases

A new permanent multi-parameter monitoring network in Central Asian high mountains – from measurements to data bases

... In the past decades, hydrometeorological monitoring in Central Asia was largely based on manned outposts. Data was collected manually and sent by telephone or radio to centralized paper-based data management centers. ...

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Relating climate change signals and physiographic catchment properties to clustered hydrological response types

Relating climate change signals and physiographic catchment properties to clustered hydrological response types

... the catchments to a few distinct response types and assessing their specific climate-sensitivity, for ...of catchments based on their hydrological re- sponses to climate change to answer our first research ...

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Detection and attribution of flood trends in Mediterranean basins

Detection and attribution of flood trends in Mediterranean basins

... The results obtained in the present study show that despite the increase in extreme precipitation events reported by pre- vious studies over the same domain (Ribes et al., 2019) there is not a general increase in flood ...

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Flood Estimation in Ungauged Catchment Using ENKI Simulation: A Case Study in Norway

Flood Estimation in Ungauged Catchment Using ENKI Simulation: A Case Study in Norway

... the figures reveals that the distributed model has some poor NSE index values. Considerable efforts have been made to improve the model performance using automatic and manual calibration incorporating the sensitivity ...

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Using high resolution phosphorus data to investigate mitigation measures in headwater river catchments

Using high resolution phosphorus data to investigate mitigation measures in headwater river catchments

... Although it was proposed that annual TP load would not be the optimum metric for assessing change in catchment water quality, it is, however, a useful measure when com- paring catchment with catchment. For example, TP ...

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