A meso-scale gravel tracer model for gravel-bed rivers
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作者:
Tritthart, M.
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Univ Nat Resources & Life Sci, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere & Environm, Christian Doppler Lab Adv Methods River Monitorin, Vienna, AustriaUniv Nat Resources & Life Sci, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere & Environm, Christian Doppler Lab Adv Methods River Monitorin, Vienna, Austria
Tritthart, M.
[1
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Liedermann, M.
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Univ Nat Resources & Life Sci, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere & Environm, Christian Doppler Lab Adv Methods River Monitorin, Vienna, AustriaUniv Nat Resources & Life Sci, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere & Environm, Christian Doppler Lab Adv Methods River Monitorin, Vienna, Austria
Liedermann, M.
[1
]
Habersack, H.
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Univ Nat Resources & Life Sci, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere & Environm, Christian Doppler Lab Adv Methods River Monitorin, Vienna, AustriaUniv Nat Resources & Life Sci, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere & Environm, Christian Doppler Lab Adv Methods River Monitorin, Vienna, Austria
Habersack, H.
[1
]
机构:
[1] Univ Nat Resources & Life Sci, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere & Environm, Christian Doppler Lab Adv Methods River Monitorin, Vienna, Austria
This paper presents the mathematical and algorithmic derivation of a simplified numerical gravel tracer model that utilizes the flowfield calculated by a three-dimensional hydrodynamic model. It can simulate the pathways and velocities of multiple gravel tracers along several kilometers of river length. The model simplifies tracer shape as an equipotential ellipsoid, assumes constant tracer movement and incorporates the presence of rest periods into a transport resistance coefficient. It considers the influence of local bed slope and performs a random walk based on the near-bed turbulent kinetic energy. The deterministic shear stress value is permuted by a random variable that follows a Gaussian probability density function. The model was calibrated on data of 40 radio-acoustic tracer gravels monitored for more than a year at the Danube River. It was found that both paths and velocities of gravel tracers observed during the field experiment could be reproduced for different river discharges using the same transport resistance coefficient.
机构:
Univ Nat Resources & Life Sci, Christian Doppler Lab Adv Methods River Monitorin, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere Environm, Vienna, AustriaUniv Nat Resources & Life Sci, Christian Doppler Lab Adv Methods River Monitorin, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere Environm, Vienna, Austria
Tritthart, Michael
Gmeiner, Philipp
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Univ Nat Resources & Life Sci, Christian Doppler Lab Adv Methods River Monitorin, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere Environm, Vienna, AustriaUniv Nat Resources & Life Sci, Christian Doppler Lab Adv Methods River Monitorin, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere Environm, Vienna, Austria
Gmeiner, Philipp
Liedermann, Marcel
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Univ Nat Resources & Life Sci, Christian Doppler Lab Adv Methods River Monitorin, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere Environm, Vienna, AustriaUniv Nat Resources & Life Sci, Christian Doppler Lab Adv Methods River Monitorin, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere Environm, Vienna, Austria
Liedermann, Marcel
Habersack, Helmut
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h-index: 0
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Univ Nat Resources & Life Sci, Christian Doppler Lab Adv Methods River Monitorin, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere Environm, Vienna, AustriaUniv Nat Resources & Life Sci, Christian Doppler Lab Adv Methods River Monitorin, Inst Water Management Hydrol & Hydraul Engn, Dept Water Atmosphere Environm, Vienna, Austria
Habersack, Helmut
JOURNAL OF APPLIED WATER ENGINEERING AND RESEARCH,
2019,
7
(02):
: 89
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102
机构:
Univ Chile, Fac Phys & Math Sci, Dept Civil Engn, Santiago 8370449, ChileUniv Chile, Fac Phys & Math Sci, Dept Civil Engn, Santiago 8370449, Chile
Bustamante-Penagos, Natalia
Nino, Yarko
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Univ Chile, Fac Phys & Math Sci, Dept Civil Engn, Santiago 8370449, Chile
Adv Ctr Water Technol, Santiago 8370448, Chile
Univ Chile, Fac Phys & Math Sci, Adv Min Technol Ctr, Santiago 8370449, ChileUniv Chile, Fac Phys & Math Sci, Dept Civil Engn, Santiago 8370449, Chile
机构:
South China Agr Univ, Coll Water Conservancy & Civil Engn, Guangzhou 510642, Peoples R ChinaSouth China Agr Univ, Coll Water Conservancy & Civil Engn, Guangzhou 510642, Peoples R China
机构:
Univ Lyon, CNRS, UMR 5600, EVS, Site ENS, F-69362 Lyon, France
Univ Oviedo, Dept Geol, Oviedo 33005, Spain
Univ Oviedo, INDUROT, Campus Mieres, Mieres 33600, SpainUniv Lyon, CNRS, UMR 5600, EVS, Site ENS, F-69362 Lyon, France
Vazquez-Tarrio, D.
Pique, G.
论文数: 0引用数: 0
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机构:
Pontificia Univ Catolicca Valparaiso, Fac Ciencias Agronom & Alimentos, Escuela Agron, Quillota, ChileUniv Lyon, CNRS, UMR 5600, EVS, Site ENS, F-69362 Lyon, France
Pique, G.
Vericat, D.
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h-index: 0
机构:
Univ Lleida, Fluvial Dynam Res Grp RIUS, Lleida 25198, Spain
Forest Sci & Technol Ctr Catalonia CTFC, Solsona 25280, SpainUniv Lyon, CNRS, UMR 5600, EVS, Site ENS, F-69362 Lyon, France
Vericat, D.
Batalla, R. J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Lleida, Fluvial Dynam Res Grp RIUS, Lleida 25198, Spain
Catalan Inst Water Res ICRA, Girona 17003, Spain
Univ Austral Chile, Fac Ciencias Forestales & Recursos Nat, Valdivia, ChileUniv Lyon, CNRS, UMR 5600, EVS, Site ENS, F-69362 Lyon, France