Search Results - "Viveen, Willem"

Evaluation of ASTER GDEM2, SRTMv3.0, ALOS AW3D30 and TanDEM-X DEMs for the Peruvian Andes against highly accurate GNSS ground control points and geomorphological-hydrological metrics by González-Moradas, Maria del Rosario, Viveen, Willem

“…We present an analysis for Peru of the vertical accuracy and derived geomorphological parameters of three, freely available Digital Elevation Models (DEMs)…”
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Prolonged extension and subsidence of the Peruvian forearc during the Cenozoic by Viveen, Willem, Schlunegger, Fritz

“…Ocean-continental subduction zones are commonly associated with compressional stress fields, which ultimately result in regional uplift of the overriding…”
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Spatial variation in specific sediment yield along the Peruvian western Andes by Rosas, Miluska A., Viveen, Willem, Vanacker, Veerle

“…[Display omitted] •Coherent dataset on specific sediment yield for 30-year’ period (1990–2019)•Strong variation in sediment yield along the Peruvian western…”
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Assessing the accuracy of combined DEM-based lineament mapping and the normalised SL-index as a tool for active fault mapping by Viveen, Willem, Baby, Patrice, Hurtado-Enríquez, Christian

“…Satellite image-based lineament mapping in combination with the normalised Stream Length Gradient Index (SL/K-index) is one of the most widely used methods to…”
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The influence of centennial-scale variations in the South American summer monsoon and base-level fall on Holocene fluvial systems in the Peruvian Andes by Viveen, Willem, Zevallos-Valdivia, Leonardo, Sanjurjo-Sanchez, Jorge

“…The occurrence of Holocene changes in the South American Summer Monsoon (SASM) in the Peruvian Andes has been well established in paleoclimatological records…”
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Quantifying geomorphic change in Andean river valleys using UAV-PPK-SfM techniques: An example from the western Peruvian Andes by Rosas, Miluska A., Clapuyt, François, Viveen, Willem, Vanacker, Veerle

“…The western Peruvian region is prone to erosion and geomorphic change. Extreme precipitation events lead to rapid change in river channel and floodplain…”
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Fluvial terraces as quantitative markers of late Quaternary detachment folding and creeping thrust faulting in the Peruvian Huallaga basin by Viveen, Willem, Baby, Patrice, Sanjurjo-Sanchez, Jorge, Hurtado-Enríquez, Christian

“…In the western Huallaga basin, located in the Peruvian Subandes, a series of nine fluvial terraces with elevations of up to 160 m above current floodplain…”
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Heinrich events and tectonic uplift as possible drivers for late Quaternary fluvial dynamics in the western Peruvian Andes by Viveen, Willem, Sanjurjo-Sanchez, Jorge, Rosas, Miluska A., Vanacker, Veerle, Villegas-Lanza, Juan Carlos

“…Late Quaternary fluvial valley development in Peru is considered to be driven by summer insolation maxima in the precession cycle, which coincide with…”
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The potential impact of climate variability on siltation of Andean reservoirs by Rosas, Miluska A., Vanacker, Veerle, Viveen, Willem, Gutierrez, Ronald R., Huggel, Christian

“…•Hydroelectric reservoirs are highly vulnerable to climate variability.•An exponential relation exists between precipitation and sediment load.•Changes in…”
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The earliest adobe monumental architecture in the Americas by Mauricio, Ana Cecilia, Grieseler, Rolf, Heller, Andrew R., Kelley, Alice R., Rumiche, Francisco, Sandweiss, Daniel H., Viveen, Willem

“…Adobe bricks, or mud bricks, are construction elements which have defined major architectural traditions in the Andes over thousands of years. From Moche…”
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A performance comparison of SRTM v. 3.0, AW3D30, ASTER GDEM3, Copernicus and TanDEM-X for tectonogeomorphic analysis in the South American Andes by del Rosario González-Moradas, Maria, Viveen, Willem, Andrés Vidal-Villalobos, Raúl, Carlos Villegas-Lanza, Juan

“…•The 12-m TanDEM-X has the highest vertical accuracy followed by the 30-m AW3D30.•TanDEM-X and Copernicus are the most suitable DEMs for geomorphological…”
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An assessment of competing factors for fluvial incision: An example of the late Quaternary exorheic Moyobamba basin, Peruvian Subandes by Viveen, Willem, Sanjurjo-Sanchez, Jorge, Baby, Patrice, del Rosario González-Moradas, Maria

“…Three competing factors for late Quaternary fluvial incision in the Moyobamba piggyback basin, located in the northeastern Peruvian Subandes, were…”
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Origin and evolution of gold-bearing fluids in a carbon-rich sedimentary basin: A case study of the Algamarca epithermal gold-silver-copper deposit, northern Peru by Galdos, Renzo, Vallance, Jean, Baby, Patrice, Salvi, Stefano, Schirra, Michael, Velasquez, German, Viveen, Willem, Soto, Rodrigo, Pokrovski, Gleb S.

“…[Display omitted] •Epithermal Au-Ag-Cu deposit emplaced in a sedimentary basin rich in carbonaceous matter.•Arsenian pyrite is the major host of gold in…”
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A 121‐ka record of Western Andean fluvial response to suborbital climate cycles recorded by rhythmic grain size variations of the Lima fluvial fan by Viveen, Willem, Sanjurjo‐Sanchez, Jorge, Bravo‐Lembcke, Gustavo, Uribe‐Ventura, Rodrigo

“…A complete, fluvial stratigraphic record for the last glacial period of the Western Andes in Peru is not available due to preservation issues and spatial…”
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Predicting reach-specific properties of fluvial terraces to guide future fieldwork. A case study for the Late Quaternary River Allier (France) with the FLUVER2 model by Veldkamp, Tom, Schoorl, Jeroen M., Viveen, Willem

“…Numerical models have not yet systematically been used to predict properties of fluvial terrace records in order to guide fieldwork and sampling. This paper…”
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Cross-comparison of last glacial radiocarbon and OSL ages using periglacial fan deposits by Palstra, Sanne W.L., Wallinga, Jakob, Viveen, Willem, Schoorl, Jeroen M., van den Berg, Meindert, van der Plicht, Johannes

“…Two cores from a Weichselian periglacial alluvial fan were dated using 14C and OSL, to verify the reliability of both methods and check the upper dating limit…”
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Combined Effect of Organic Carbon and Arsenic on the Formation of Sediment-Hosted Gold Deposits: A Case Study of the Shahuindo Epithermal Deposit, Peru by Vallance, Jean, Galdos, Renzo, Balboa, Macneill, Berna, Brigitte, Cabrera, Omar, Huisa, Freddy, Baya, Camille, Van De Vyver, Caroline, Viveen, Willem, Béziat, Didier, Salvi, Stefano, Brusset, Stéphane, Baby, Patrice, Pokrovski, Gleb S.

“…Abstract Sediment-hosted gold deposits represent a significant portion of the world’s gold resources. They are characterized by the ubiquitous presence of…”
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First record of OSL‐dated fluvial sands in a tropical Andean cave reveals rapid late Quaternary tectonic uplift by Baby, Patrice, Viveen, Willem, Sanjurjo‐Sanchez, Jorge, Bigot, Jean‐Yves, Dosseto, Antony, Villegas‐Lanza, Juan C., Apaéstegui, James, Guyot, Jean‐Loup

“…We present the first results of OSL‐dated fluvial sands extracted from a riverside cave in the tropical Andes. The excellent agreement between the ages of the…”
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Hospital treatment capacity in case of seismic scenario in the Lima Metropolitan area, Peru by Liguori, Nicola, Tarque, Nicola, Bambarén, Celso, Spacone, Enrico, Viveen, Willem, de Filippo, Gianpietro

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Possible threshold controls on sediment grain properties of Peruvian coastal river basins by Litty, Camille, Schlunegger, Fritz, Viveen, Willem

“…To determine possible controls on sediment grain properties, 21 coastal rivers located along the entire western Peruvian margin were analysed. This represents…”
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