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Единична хидрограма×MODFLOW моделиране на подземни води×Поток на трафика (модел LWR)×
ОбластСтроително инженерствоСтроително инженерствоСтроително инженерство
СемействоProcess / pipelineProcess / pipelineProcess / pipeline
Година на възникване19321984 (original release); continuously updated through MODFLOW-6 (2017)1955
СъздателL. K. ShermanMichael G. McDonald and Arlen W. Harbaugh (U.S. Geological Survey)M. J. Lighthill and G. B. Whitham
ТипLinear transformation from rainfall to streamflowNumerical groundwater flow simulationMacroscopic traffic flow modeling using conservation laws
Основополагащ източникSherman, L. K. (1932). Streamflow from rainfall by the unit graph method. Engineering News-Record, 108(14), 501-505. link ↗Harbaugh, A. W. (2005). MODFLOW-2005, the U.S. Geological Survey modular ground-water model — the Ground-Water Flow Process. U.S. Geological Survey Techniques and Methods 6-A16. link ↗Lighthill, M. J., & Whitham, G. B. (1955). On kinematic waves I. Flow movement in long rivers. Proceedings of the Royal Society A, 229(1178), 281-316. DOI ↗
Други названияUH, Rainfall-runoff, Hydrograph synthesisMODFLOW-2005, MODFLOW-6, modular groundwater flow model, USGS groundwater modelLWR model, Traffic wave, Kinematic wave theory
Свързани303
РезюмеThe unit hydrograph (UH) is a linear transformation that converts rainfall excess into streamflow for a watershed. Introduced by Sherman in 1932, the UH assumes that rainfall-runoff response is linear and time-invariant, enabling synthesis of flood hydrographs from design storms for dam spillway design and flood risk assessment.MODFLOW is the U.S. Geological Survey's open-source, modular finite-difference model for simulating three-dimensional groundwater flow through porous media. First released in 1984 and continuously updated — most recently as MODFLOW-6 — it is the global standard for quantitative hydrogeological analysis, widely used in civil engineering, environmental consulting, water-resource management, and groundwater contamination studies.The Lighthill-Whitham-Richards (LWR) model is a macroscopic traffic flow model that treats traffic as a compressible fluid, applying conservation of vehicles and a flow-density relationship. Introduced independently by Lighthill and Whitham (1955) and Richards (1956), the model predicts traffic wave propagation, congestion formation, and bottleneck behavior on highways.
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ScholarGateСравнение на методи: Unit Hydrograph · MODFLOW Groundwater Modeling · Traffic Flow (LWR Model). Извлечено на 2026-06-18 от https://scholargate.app/bg/compare