a graph showing the seasonal variation in the level of a body of water, from which its velocity and discharge can be calculated
Examples of 'hydrograph' in a sentence
hydrograph
We used three and four component hydrograph separation techniques that were based on natural tracers.
Branka Trček, Noel C. Krothe 2002, 'The role of the epikarst zone in karst aquifer recharge processes', Geologijahttp://www.geologija-revija.si/dokument.aspx?id=666. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Six of 36 input data combinations tested showed better performance in the hydrograph estimations.
Sidney S. Zanetti, Vicente de P. S. de Oliveira, Elias F. Sousa, Frederico T. de Almeida,Márcio T. Sugawara, José M. A. da Silva 2009, 'Modelagem hidrológica em microbacia hidrográfica parte II: teste do modelo HidroBaciaHydrologic modeling of a small watershed part II: HidroBacia model test', Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambihttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662009000400010. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The method focuses on reproducing the observed discharge frequency distribution rather than the exact hydrograph.
I. K. Westerberg, J.-L. Guerrero, P. M. Younger, K. J. Beven, J. Seibert, S. Halldin,J. E. Freer, C.-Y. Xu 2011, 'Calibration of hydrological models using flow-duration curves', Hydrology and Earth System Scienceshttp://www.hydrol-earth-syst-sci.net/15/2205/2011/hess-15-2205-2011.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Hydrograph of a selected storm was used for upstream boundary conditions.
Chen Su-Chin, Tfwala Samkele 2018, 'Evaluating an optimum slit check dam design by using a 2D unsteady numerical model',E3S Web of Conferenceshttps://doi.org/10.1051/e3sconf/20184003027. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Four simplified hydrograph shapes (triangular, abrupt wave, flood pulse and broad peak) were used.
James Connaughton, Natalie King, Licheng Dong, Patrick Ji, Jay Lund 2014, 'Comparing Simple Flood Reservoir Operation Rules', Waterhttp://www.mdpi.com/2073-4441/6/9/2717. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The new model can predict the breach evolution, the erosion rate, and the outflow hydrograph.
D. S. Chang, L. M. Zhang 2010, 'Simulation of the erosion process of landslide dams due to overtopping consideringvariations in soil erodibility along depth', Natural Hazards and Earth System Scienceshttp://www.nat-hazards-earth-syst-sci.net/10/933/2010/nhess-10-933-2010.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In total, fourteen related variables were separated from hydrographs using the classical hydrograph separation method.
Nufang Fang, Zhihua Shi, Fangxin Chen, Yixia Wang 2015, 'Partial Least Squares Regression for Determining the Control Factors for Runoff andSuspended Sediment Yield during Rainfall Events', Waterhttp://www.mdpi.com/2073-4441/7/7/3925. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)