Search Results - "Minella, Jean"

Establishing a sediment budget for a small agricultural catchment in southern Brazil, to support the development of effective sediment management strategies by Minella, Jean P.G., Walling, Desmond E., Merten, Gustavo H.

“…•Use of 137Cs data, fingerprinting and sediment yield to establish a sediment budget.•Application of 137Cs measurements at catchment scale.•The method was…”
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The challenges and opportunities of addressing particle size effects in sediment source fingerprinting: A review by Laceby, J. Patrick, Evrard, Olivier, Smith, Hugh G., Blake, Will H., Olley, Jon M., Minella, Jean P.G., Owens, Philip N.

“…Tracing sediments back to their catchment sources using biogeochemical and physical fingerprints involves multiple assumptions. One of the most fundamental…”
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Effects of suspended sediment concentration and grain size on three optical turbidity sensors by Merten, Gustavo Henrique, Capel, Paul D, Minella, Jean P. G

“…PURPOSE: Optical turbidity sensors have been successfully used to determine suspended sediment flux in rivers, assuming the relation between the turbidity…”
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Measuring and modelling soil erosion and sediment yields in a large cultivated catchment under no-till of Southern Brazil by Didoné, Elizeu Jonas, Minella, Jean Paolo Gomes, Evrard, Olivier

“…•Soil erosion is excessive in Southern Brazil.•Sediment monitoring and modelling combined in a large agricultural catchment.•Sediment yield increases on…”
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Strategies for identifying pollution sources in a headwater catchment based on multi-scale water quality monitoring by de Bastos, Franciele, Reichert, José Miguel, Minella, Jean Paolo Gomes, Rodrigues, Miriam Fernanda

“…Rural headwater catchments are important to describe the connectivity of pollution sources to water bodies. Strategies to optimize water quality monitoring…”
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Erosion and hydrological response in no-tillage subjected to crop rotation intensification in southern Brazil by Deuschle, Dinis, Minella, Jean P.G., Hörbe, Tiago de A.N., Londero, Ana L., Schneider, Fabio J.A.

“…No-tillage (NT) is a practice that has been used for >30 years and is used as the main soil conservation strategy in South America. However, recent studies…”
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A computational framework to systematize uncertainty analysis in the sediment fingerprinting approach using least square methods by Buligon, Lidiane, Buriol, Tiago Martinuzzi, Minella, Jean Paolo Gomes, Evrard, Olivier

“…Simulating sediment transfer processes in catchments has contributed significantly to solving environmental problems due to its importance in the silting of…”
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Estimating suspended sediment concentrations from turbidity measurements and the calibration problem by Minella, Jean P.G, Merten, Gustavo H, Reichert, José M, Clarke, Robin T

“…In situ turbidity meters are being increasingly used to generate continuous records of suspended sediment concentration in rivers. However, the usefulness of…”
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240Pu/239Pu signatures allow refining the chronology of radionuclide fallout in South America by Chaboche, Pierre-Alexis, Pointurier, Fabien, Sabatier, Pierre, Foucher, Anthony, Tiecher, Tales, Minella, Jean P.G., Tassano, Marcos, Hubert, Amélie, Morera, Sergio, Guédron, Stéphane, Ardois, Christophe, Boulet, Béatrice, Cossonnet, Catherine, Cabral, Pablo, Cabrera, Mirel, Chalar, Guillermo, Evrard, Olivier

“…Atmospheric nuclear tests (1945–1980) have led to radioactive fallout across the globe. French tests in Polynesia (1966–1974) may influence the signature of…”
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Investigating the relationships between chemical element concentrations and discharge to improve our understanding of their transport patterns in rural catchments under subtropical climate conditions by Barros, Cláudia A.P. de, Tiecher, Tales, Ramon, Rafael, Santos, Danilo R. dos, Bender, Marcos A., Evrard, Olivier, Ayrault, Sophie, Minella, Jean P.G.

“…Solute and particulate elemental concentrations (C) exhibit different responses to changes in discharge (Q), and those relationships are not well understood in…”
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Quantifying the impact of no‐till on runoff in southern Brazil at hillslope and catchment scales by Londero, Ana L., Minella, Jean P. G., Schneider, Fabio J. A., Deuschle, Dinis, Menezes, Danrlei, Evrard, Olivier, Boeni, Madalena, Merten, Gustavo H.

“…No‐till (NT) is a conservation system that improves the hydrological regime of agricultural slopes by providing greater surface protection and benefits to the…”
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Quantifying the impact of no‐till on sediment yield in southern Brazil at the hillslope and catchment scales by Londero, Ana L., Minella, Jean P. G., Schneider, Fabio J. A., Deuschle, Dinis, Merten, Gustavo H., Evrard, Olivier, Boeni, Madalena

“…No‐till (NT) is a soil management system designed to protect soil resources from water erosion and provide numerous benefits compared to conventional tillage…”
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Evaluating sampling efficiency when estimating sediment source contributions to suspended sediment in rivers by fingerprinting by Clarke, Robin T., Minella, Jean P. G.

“…A general method is proposed which measures the increase in uncertainty when sampling effort is reduced in sediment fingerprinting. The method gives…”
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Combining sediment source tracing techniques with traditional monitoring: The “Arvorezinha catchment” experience by Minella, Jean P. G., Merten, Gustavo H., Schlesner, Alexandre, Bernardi, Felipe, de Barros, Cláudia A. P., Tiecher, Tales, Ramon, Rafael, Evrard, Olivier, dos Santos, Danilo Rheinheimer, Reichert, José Miguel, Tassi, Rutineia

“…To truly understand the hydrologic and erosive processes that occur at the catchment scale regarding land use and soil management changes, intensive monitoring…”
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Water balance in paired watersheds with eucalyptus and degraded grassland in Pampa biome by Reichert, José Miguel, Rodrigues, Miriam Fernanda, Peláez, Jhon Jairo Zuluaga, Lanza, Régis, Minella, Jean Paolo Gomes, Arnold, Jeffrey G., Cavalcante, Rosane Barbosa Lopes

“…•Land use changes impact ecological and hydrological processes in watersheds.•Native grasslands are being substituted by crops and commercial eucalyptus.•Water…”
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Impact of broad-based terraces on water and sediment losses in no-till (paired zero-order) catchments in southern Brazil by Londero, Ana L., Minella, Jean P. G., Deuschle, Dinis, Schneider, Fabio J. A., Boeni, Madalena, Merten, Gustavo H.

“…Purpose Soil degradation is a widespread problem and currently one of the biggest challenges in modern-day agriculture. The partial adoption of conservation…”
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Potential of phosphorus fractions to trace sediment sources in a rural catchment of Southern Brazil: Comparison with the conventional approach based on elemental geochemistry by Tiecher, Tales, Ramon, Rafael, Laceby, J. Patrick, Evrard, Olivier, Minella, Jean Paolo Gomes

“…In areas with extensive soil erosion, there is a need to identify the sources supplying sediment to rivers in order to improve our understanding of erosion…”
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Monitoring sediment yield for soil and water conservation planning in rural catchments by de Menezes, Danrlei, Minella, Jean Paolo Gomes, Tassi, Rutineia

“…Sediment yield in river catchments can cause siltation of reservoirs and channels, carries contaminants adhered to sediment particles, and represents water…”
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Afforestation of degraded grasslands reduces sediment transport and may contribute to streamflow regulation in small catchments in the short-run by Valente, Mirian Lago, Reichert, José Miguel, Cavalcante, Rosane Barbosa Lopes, Minella, Jean Paolo Gomes, Evrard, Olivier, Srinivasan, Raghavan

“…[Display omitted] •Erosion and hydrology were studied in small eucalyptus (EC) and grassland (GC) catchments.•Two-fold higher surface runoff and sediment yield…”
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Quantifying soil erosion and sediment yield in a catchment in southern Brazil and implications for land conservation by Didoné, Elizeu Jonas, Minella, Jean Paolo Gomes, Merten, Gustavo Henrique

“…Purpose Although agriculture represents about 30 % of Brazil’s GDP, there are few data at the catchment scale on land use, soil management, hydrology, and…”
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