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Artykuły w czasopismach na temat „Geomorphological Instantaneous Unit Hydrographs”

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Data publikacji: 6 września 2023

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1

Khaleghi, M. R., J. Ghodusi, and H. Ahmadi. "Regional analysis using the Geomorphologic Instantaneous Unit Hydrograph (GIUH) method." Soil and Water Research 9, No. 1 (2014): 25–30. http://dx.doi.org/10.17221/33/2012-swr.

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The construction of design flood hydrographs for ungauged drainage areas has traditionally been approached by regionalization, i.e. the transfer of information from the gauged to the ungauged catchments in a region. Such approaches invariably depend upon the use of multiple linear regression analysis to relate unit hydrograph parameters to catchment characteristics and generalized rainfall statistics. In the present study, Geomorphologic Instaneous Unit Hydrograph (GIUH) was applied to simulate the rainfall-runoff process and also to determine the shape and dimensions of outlet runoff hydrogra

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2

Hall, M. J., A. F. Zaki, and M. M. A. Shahin. "Regional analysis using the Geomorphoclimatic Instantaneous Unit Hydrograph." Hydrology and Earth System Sciences 5, no. 1 (2001): 93–102. http://dx.doi.org/10.5194/hess-5-93-2001.

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Abstract. The construction of design flood hydrographs for ungauged drainage areas has traditionally been approached by regionalisation, i.e. the transfer of information from the gauged to the ungauged catchments in a region. Such approaches invariably depend upon the use of multiple linear regression analysis to relate unit hydrograph parameters to catchment characteristics and generalised rainfall statistics. The concept of the geomorphological instantaneous unit hydrograph (GIUH), in relating the shape and scale of the catchment transfer function to stream network topology and channel chara

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3

Sulistyowati, Anantri, Rachmad Jayadi, and Adam Pamudji Rahardjo. "Unit Hydrograph Modeling using Geomorphological Instantaneous Unit Hydrograph (GIUH) Method." Journal of the Civil Engineering Forum 4, no. 3 (2018): 223. http://dx.doi.org/10.22146/jcef.38860.

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Flood forecasting at Wonogiri Reservoir is restricted on the availability of hydrologic data due to limited monitoring gauges. This issue triggers study of unit hydrograph modeling using Geomorphological Instantaneous Unit Hydrograph (GIUH) which is based on Geographic Information System (GIS). Analysis of physical watershed parameters was conducted on Digital Elevation Model (DEM) data using software Watershed Modeling System (WMS) 10.1 and ArcGIS. Nash model and S-curve method were used to process triangular GIUH into hourly Instantaneous Unit Hydrograph (IUH) and Unit Hydrograph (UH) and th

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4

Goñi, Mikel, J. Javier López, and Faustino N. Gimena. "Geomorphological instantaneous unit hydrograph model with distributed rainfall." CATENA 172 (January 2019): 40–53. http://dx.doi.org/10.1016/j.catena.2018.08.010.

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5

Fleurant, C., B. Kartiwa, and B. Roland. "Analytical model for a geomorphological instantaneous unit hydrograph." Hydrological Processes 20, no. 18 (2006): 3879–95. http://dx.doi.org/10.1002/hyp.6162.

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6

Wang, Ying, and Yeou‐Koung Tung. "Stochastic generation of geomorphological instantaneous unit hydrograph‐based flow hydrograph." International Journal of River Basin Management 4, no. 1 (2006): 49–56. http://dx.doi.org/10.1080/15715124.2006.9635275.

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7

Shamseldin, A. Y., and J. E. Nash. "The geomorphological unit hydrograph – a critical review." Hydrology and Earth System Sciences 2, no. 1 (1998): 1–8. http://dx.doi.org/10.5194/hess-2-1-1998.

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Abstract. The theory of the geomorphological unit hydrograph (GUH) is examined critically and it is shown that the inherent assumption that the operation of the drainage network may be modelled by a corresponding network of linear reservoirs so restricts the instantaneous unit hydrograph (IUH) shape that the effects of further restrictions, reflecting the constraints imposed by the geomorphological laws of the channel network, cannot easily be identified. Without such identification, the geomorphological unit hydrograph theory is untestable and must remain only a plausible hypothesis providing

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8

Singh, V. P., C. Corradini, and F. Melone. "A Comparison of Some Methods of Deriving the Instantaneous Unit Hydrograph." Hydrology Research 16, no. 1 (1985): 1–10. http://dx.doi.org/10.2166/nh.1985.0001.

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The geomorphological instantaneous unit hydrograph (IUH) proposed by Gupta et al. (1980) was compared with the IUH derived by commonly used time-area and Nash methods. This comparison was performed by analyzing the effective rainfall-direct runoff relationship for four large basins in Central Italy ranging in area from 934 to 4,147 km2. The Nash method was found to be the most accurate of the three methods. The geomorphological method, with only one parameter estimated in advance from the observed data, was found to be little less accurate than the Nash method which has two parameters determin

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9

Malleswara Rao, B. N. "Geomorphological Instantaneous Unit Hydrograph (GIUH) for an Ungauged Watershed." CVR Journal of Science & Technology 15, no. 1 (2018): 17–21. http://dx.doi.org/10.32377/cvrjst1503.

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10

Hanif, Fatima, and Ahsan Ali. "Direct runoff hydrograph model’s collation for a Pakistan’s region." Mehran University Research Journal of Engineering and Technology 41, no. 4 (2023): 198. http://dx.doi.org/10.22581/muet1982.2204.20.

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Rainfall-Runoff modeling is among the classical applications of hydrology. This paper examines the results of 3 hydrologic approaches, particularly Clark Model, Nash Model, and Geomorphic Instantaneous Unit Hydrograph Model. Assumptions are forwarded for the long run use of the Rawalpindi Division, Pakistan’s Small Dam Organization. The catchment of Shahpur Dam was an area under consideration for the study. The Digital elevation model (DEM) was implicated to measure the Nash and Clark model’s geomorphic parameters. Using ArcGIS, catchment satellite imagery was processed to estimate geomorpholo

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11

Kim, Joo-Cheol, Kwansue Jung, and Dong Kug Jeong. "Geomorphological Approach to the Skewed Shape of Instantaneous Unit Hydrograph." Journal of the Korean Water Resources Association 48, no. 2 (2015): 91–103. http://dx.doi.org/10.3741/jkwra.2015.48.2.91.

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12

Corradini, C., F. Melone, and V. P. Singh. "Some Remarks on the Use of GIUH in the Hydrological Practice." Hydrology Research 26, no. 4-5 (1995): 297–312. http://dx.doi.org/10.2166/nh.1995.0017.

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The geomorphologic instantaneous unit hydrograph (GIUH) as a component of rainfall-runoff models directed to the determination of design hydrographs in ungaged basins is investigated. Specifically, we first performed a sensitivity analysis of the GIUH to errors in the basin lag estimated by commonly used empirical relationships involving basin area. Then, the details required in representing the geomorphologic features in the GIUH estimate for fixed basin lag, L, were examined. Real basins located in Central Italy were selected; they range in area from 12 km2 to 4,147 km2 and are characterized

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13

Gehbrehiwot, Anghesom, and Dmitry Kozlov. "GIUH-Nash based runoff prediction for Debarwa catchment in Eritrea." E3S Web of Conferences 97 (2019): 05001. http://dx.doi.org/10.1051/e3sconf/20199705001.

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Correct assessment of river flow is necessary to resolve a wide range of problems in the management and use of water resources. Recently, research towards the use of geomorphologic instantaneous unit hydrograph (GIUH) coupled with other conceptual models approach for flood prediction from ungauged catchments has been intensified. Widespread accessibility to geographic information system and remotely sensed imagery which are powerful tools for acquiring model inputs is one possible reason. This study, therefore, aims at direct surface runoff (DSRO) prediction using the geomorphologic instantane

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14

Bhadra, A., N. Panigrahy, R. Singh, N. S. Raghuwanshi, B. C. Mal, and M. P. Tripathi. "Development of a geomorphological instantaneous unit hydrograph model for scantily gauged watersheds." Environmental Modelling & Software 23, no. 8 (2008): 1013–25. http://dx.doi.org/10.1016/j.envsoft.2007.08.008.

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15

Al-Wagdany, A. S., and A. R. Rao. "Correlation of the velocity parameter of three geomorphological instantaneous unit hydrograph models." Hydrological Processes 12, no. 4 (1998): 651–59. http://dx.doi.org/10.1002/(sici)1099-1085(19980330)12:4<651::aid-hyp606>3.0.co;2-b.

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16

Kumar, Rakesh, C. Chatterjee, R. D. Singh, A. K. Lohani, and Sanjay Kumar. "Runoff estimation for an ungauged catchment using geomorphological instantaneous unit hydrograph (GIUH) models." Hydrological Processes 21, no. 14 (2007): 1829–40. http://dx.doi.org/10.1002/hyp.6318.

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17

Kumar, Jeetendra, R. Suresh, and Safi Hassan. "Development of geomorphological instantaneous unit hydrograph (GIUH) model for a new un-gauged watershed." International Journal of Agricultural Invention 2, no. 01 (2017): 54–59. http://dx.doi.org/10.46492/ijai/2017.2.1.13.

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A geomorphological instantaneous unit hydrograph (GIUH) model was developed for a watershed of Damodar valley corporation, Hazaribagh, using Nash (1959) and Itrube (1982) methods to compute peak discharge (qpeak) and time to peak (tpeak). The model was calibrated and validated for five storm events, i.e. June 24-25 (1992), October 12-13 (1993), November 2-3 (1993), June 28 (1994) and August 6 (1996) by comparing their ordinates with the ordinates of instantaneous unit hydrograph (IUH). The GIUH was tested with absolute prediction errors (APE) of the ordinate of peak discharge. On comparison, i

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18

Choi, Yong-Joon, Joo-Cheol Kim, and Man-Ha Hwang. "The Impact of Characteristic Velocities Considering Geomorphological Dispersion on Shape of Instantaneous Unit Hydrograph." Journal of Korea Water Resources Association 43, no. 4 (2010): 399–408. http://dx.doi.org/10.3741/jkwra.2010.43.4.399.

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19

Ellouze-Gargouri, Emna, and Zoubeida Bargaoui. "Runoff Estimation for an Ungauged Catchment Using Geomorphological Instantaneous Unit Hydrograph (GIUH) and Copulas." Water Resources Management 26, no. 6 (2012): 1615–38. http://dx.doi.org/10.1007/s11269-012-9975-6.

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20

Martim de Moura, Maíra, Samuel Beskow, Fabrício da Silva Terra, Carlos Rogério de Mello, Zandra Almeida da Cunha, and Felício Cassalho. "Evaluation of geomorphological approaches combined with digital elevation models for the Nash's instantaneous unit hydrograph." Journal of South American Earth Sciences 107 (April 2021): 103153. http://dx.doi.org/10.1016/j.jsames.2020.103153.

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21

ŻELAZINSKI, JANUSZ. "Application of the geomorphological instantaneous unit hydrograph theory to development of forecasting models in Poland." Hydrological Sciences Journal 31, no. 2 (1986): 263–70. http://dx.doi.org/10.1080/02626668609491043.

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22

DA ROS, DIEGO, and MARCO BORGA. "USE OF DIGITAL ELEVATION MODEL DATA FOR THE DERIVATION OF THE GEOMORPHOLOGICAL INSTANTANEOUS UNIT HYDROGRAPH." Hydrological Processes 11, no. 1 (1997): 13–33. http://dx.doi.org/10.1002/(sici)1099-1085(199701)11:1<13::aid-hyp400>3.0.co;2-m.

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23

Andrieu, Hervé, Roger Moussa, and Pierre-Emmanuel Kirstetter. "The Event-specific Geomorphological Instantaneous Unit Hydrograph (E-GIUH): The basin hydrological response characteristic of a flood event." Journal of Hydrology 603 (December 2021): 127158. http://dx.doi.org/10.1016/j.jhydrol.2021.127158.

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24

Bamufleh, Sameer, Abdullah Al-Wagdany, Amro Elfeki, and Anis Chaabani. "Developing a geomorphological instantaneous unit hydrograph (GIUH) using equivalent Horton-Strahler ratios for flash flood predictions in arid regions." Geomatics, Natural Hazards and Risk 11, no. 1 (2020): 1697–723. http://dx.doi.org/10.1080/19475705.2020.1811404.

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25

Akay, Hüseyin. "Mitigation of Scour Failure Risk of a River Bridge Located in an Ungauged Basin." Baltic Journal of Road and Bridge Engineering 16, no. 1 (2021): 37–56. http://dx.doi.org/10.7250/bjrbe.2021-16.514.

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In this study, scour failure risk of the Çatalzeytin Bridge located in the Western Black Sea Basin, Turkey, was assessed for possible future flood events and appropriate scour countermeasures were considered based on economic and constructability considerations. Waterway adequacy in the spans of the bridge and scour criticality around bridge foundations considered for risk calculations in HYRISK were estimated by hydrological and hydraulic analyses of the watershed and stream. Since the watershed of the bridge is ungauged, geomorphological instantaneous unit hydrograph concept was adopted to e

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26

Nguyen, Hong, Gunter Meon, and Van Nguyen. "Development of an Event-Based Water Quality Model for Sparsely Gauged Catchments." Sustainability 11, no. 6 (2019): 1773. http://dx.doi.org/10.3390/su11061773.

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This paper describes an event-based water quality model for sparsely gauged catchments. The model was cultivated in a robust way to cope with practical issues, such as limited available data and error propagation. A simplified model structure and fewer input parameters are the most appealing features of this model. All model components are coupled and controlled within an Excel Spreadsheet Macro as an operational tool. Herein, the geomorphological instantaneous unit hydrograph (GIUH), the simplified process erosion and sedimentation component, the loading function, and the river routing from d

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27

Agrawal, Niraj Kumar, Anil Kumar Lohani, and N. K. Goel. "Physiographic Analysis of Tehri Dam Catchment and Development of GIUH Based Nash Model for Ungauged Rivers." Current World Environment 14, no. 2 (2019): 215–30. http://dx.doi.org/10.12944/cwe.14.2.06.

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Advanced information about incoming flows is required for operation of a variety of hydraulic structures including multipurpose storage hydropower projects. Inflow forecasts are used for optimum power generation during non -monsoon season and operation of gates and spillways during the flood season. In order to develop an inflow forecasting system for a reservoir, it has been observed that many a times number of ungauged rivers directly falling into the reservoirs are not accounted for. Such is the case for the Tehri Reservoir, where 16 small rivers/tributaries which are directly contributing

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28

Shen, Xinyi, Yiwen Mei, and Emmanouil N. Anagnostou. "A Comprehensive Database of Flood Events in the Contiguous United States from 2002 to 2013." Bulletin of the American Meteorological Society 98, no. 7 (2017): 1493–502. http://dx.doi.org/10.1175/bams-d-16-0125.1.

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Abstract Notwithstanding the rich record of hydrometric observations compiled by the U.S. Geological Survey (USGS) across the contiguous United States (CONUS), flood event catalogs are sparse and incomplete. Available databases or inventories are mostly survey- or report-based, impact oriented, or limited to flash floods. These data do not represent the full range of flood events occurring in CONUS in terms of geographical locations, severity, triggering weather, or basin morphometry. This study describes a comprehensive dataset consisting of more than half a million flood events extracted fro

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29

van der Tak, Laurens D., and Rafael L. Bras. "Incorporating hillslope effects into the geomorphologic instantaneous unit hydrograph." Water Resources Research 26, no. 10 (1990): 2393–400. http://dx.doi.org/10.1029/wr026i010p02393.

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Peña, A., J. L. Ayuso, and J. V. Giráldez. "Incorporating topologic properties into the geomorphologic instantaneous unit hydrograph." Physics and Chemistry of the Earth, Part B: Hydrology, Oceans and Atmosphere 24, no. 1-2 (1999): 55–58. http://dx.doi.org/10.1016/s1464-1909(98)00011-2.

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31

Allam, Mohamed N., and Khaled S. Balkhair. "Case study evaluation of the geomorphologic instantaneous unit hydrograph." Water Resources Management 1, no. 4 (1987): 267–91. http://dx.doi.org/10.1007/bf00421880.

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32

Khaleghi, M. R., V. Gholami, J. Ghodusi, and H. Hosseini. "Efficiency of the geomorphologic instantaneous unit hydrograph method in flood hydrograph simulation." CATENA 87, no. 2 (2011): 163–71. http://dx.doi.org/10.1016/j.catena.2011.04.005.

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33

Piccolroaz, S., M. Di Lazzaro, A. Zarlenga, B. Majone, A. Bellin, and A. Fiori. "HydroSCAPE: a multi-scale framework for streamflow routing in large-scale hydrological models." Hydrology and Earth System Sciences Discussions 12, no. 9 (2015): 9055–90. http://dx.doi.org/10.5194/hessd-12-9055-2015.

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Abstract. We present HydroSCAPE, a large scale hydrological model with an innovative streamflow routing scheme based on the Width Function Instantaneous Unit Hydrograph (WFIUH) theory, which is designed to facilitate coupling with weather forecasting and climate models. HydroSCAPE preserves geomorphological dispersion of the river network when dealing with horizontal hydrological fluxes, irrespective of the adopted grid size, which is typically inherited from the overlaying weather forecast or climate model. This is achieved through a separate treatment of hillslope processes and routing withi

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34

Javier, Julie Rose N., James A. Smith, Katherine L. Meierdiercks, Mary Lynn Baeck, and Andrew J. Miller. "Flash Flood Forecasting for Small Urban Watersheds in the Baltimore Metropolitan Region." Weather and Forecasting 22, no. 6 (2007): 1331–44. http://dx.doi.org/10.1175/2007waf2006036.1.

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Abstract The utility of distributed hydrologic models in combination with high-resolution Weather Surveillance Radar-1988 Doppler (WSR-88D) rainfall estimates for flash flood forecasting in urban drainage basins is examined through model simulations of 10 flood events in the 14.3 km2 Dead Run watershed of Baltimore County, Maryland. The hydrologic model consists of a simple infiltration model and a geomorphological instantaneous unit hydrograph–based representation of hillslope and channel response. Analyses are based on high-resolution radar rainfall estimates from the Sterling, Virginia, WSR

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35

Ghumman, Abdul Razzaq, Muhammad Masood Ahmad, Hashim Nisar Hashmi, and Mumtaz Ahmad Kamal. "Development of geomorphologic instantaneous unit hydrograph for a large watershed." Environmental Monitoring and Assessment 184, no. 5 (2011): 3153–63. http://dx.doi.org/10.1007/s10661-011-2179-3.

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36

Nguyen, H. Q., B. H. P. Maathuis, and T. H. M. Rientjes. "Catchment storm runoff modelling using the geomorphologic instantaneous unit hydrograph." Geocarto International 24, no. 5 (2009): 357–75. http://dx.doi.org/10.1080/10106040802677011.

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37

Piccolroaz, Sebastiano, Michele Di Lazzaro, Antonio Zarlenga, Bruno Majone, Alberto Bellin, and Aldo Fiori. "HYPERstream: a multi-scale framework for streamflow routing in large-scale hydrological model." Hydrology and Earth System Sciences 20, no. 5 (2016): 2047–61. http://dx.doi.org/10.5194/hess-20-2047-2016.

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Abstract. We present HYPERstream, an innovative streamflow routing scheme based on the width function instantaneous unit hydrograph (WFIUH) theory, which is specifically designed to facilitate coupling with weather forecasting and climate models. The proposed routing scheme preserves geomorphological dispersion of the river network when dealing with horizontal hydrological fluxes, irrespective of the computational grid size inherited from the overlaying climate model providing the meteorological forcing. This is achieved by simulating routing within the river network through suitable transfer

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38

Jin, Chang-Xing. "A deterministic gamma-type geomorphologic instantaneous unit hydrograph based on path types." Water Resources Research 28, no. 2 (1992): 479–86. http://dx.doi.org/10.1029/91wr02577.

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39

Franchini, Marco, and P. Enda O'Connell. "An analysis of the dynamic component of the geomorphologic instantaneous unit hydrograph." Journal of Hydrology 175, no. 1-4 (1996): 407–28. http://dx.doi.org/10.1016/s0022-1694(96)80018-7.

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Monajemi, Parjang, Setareh Khaleghi, and Shahrzad Maleki. "Derivation of instantaneous unit hydrographs using linear reservoir models." Hydrology Research 52, no. 2 (2021): 339–55. http://dx.doi.org/10.2166/nh.2021.171.

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Abstract In this research, a new conceptual model for producing instantaneous unit hydrographs (IUHs) is introduced by a linear combination of the Nash model, which assumes that the discharge from a reservoir is a linear function of its storage, and a model called inter-connected linear reservoir model (ICLRM), which assumes that the discharge from a reservoir is a linear function of the difference of its storage and its adjacent downstream reservoir. By employing these assumptions, a system of first-order linear differential equations with three degrees of freedom (storage coefficient, number

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41

Bayati, Fatemeh, Rasoul Mirabbasi, Rouhallah Fatahi, and Mahdi Radfar. "The Study of the Effect of Some Used Parameters on Geomorphologic Instantaneous Unit Hydrograph." journal of watershed management research 10, no. 20 (2019): 109–19. http://dx.doi.org/10.29252/jwmr.10.20.109.

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Kumar, Anil. "Geomorphologic Instantaneous Unit Hydrograph Based Hydrologic Response Models for Ungauged Hilly Watersheds in India." Water Resources Management 29, no. 3 (2014): 863–83. http://dx.doi.org/10.1007/s11269-014-0848-z.

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Agnese, C., F. D'Asaro, and G. Giordano. "Estimation of the time scale of the geomorphologic instantaneous unit hydrograph from effective streamflow velocity." Water Resources Research 24, no. 7 (1988): 969–78. http://dx.doi.org/10.1029/wr024i007p00969.

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Hao, Fanghua, Mingze Sun, Xiaojun Geng, Weijia Huang, and Wei Ouyang. "Coupling the Xinanjiang model with geomorphologic instantaneous unit hydrograph for flood forecasting in northeast China." International Soil and Water Conservation Research 3, no. 1 (2015): 66–76. http://dx.doi.org/10.1016/j.iswcr.2015.03.004.

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45

Georgakakos, Aris P., and John C. Kabouris. "A streamflow model using physically-based instantaneous unit hydrographs." Journal of Hydrology 111, no. 1-4 (1989): 107–31. http://dx.doi.org/10.1016/0022-1694(89)90255-2.

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46

Moussa, Roger. "Effect of channel network topology, basin segmentation and rainfall spatial distribution on the geomorphologic instantaneous unit hydrograph transfer function." Hydrological Processes 22, no. 3 (2008): 395–419. http://dx.doi.org/10.1002/hyp.6612.

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47

Rajyalakshmi, N. V., and S. Dutta. "Regionalization of rainfall–runoff processes in rice agriculture dominated watersheds." Water Science and Technology 53, no. 10 (2006): 131–39. http://dx.doi.org/10.2166/wst.2006.306.

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An approach for computing the instantaneous unit hydrograph of rice agriculture dominated watesheds is proposed using the topology and hydraulic charcterstics of its stream network and the hydrologic behaviour of the rice agriculture area. The effect of rice agriculture on the watershed response is considered as partial sink areas. The sink factor, a time-variant weight factor for a particular storm event, is computed from the daily water balanace equation of the rice field. The critcal features of the simulated instantaneous unit hydrographs in three gauged watersheds located in the river Mah

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48

Yao, Cheng, Ke Zhang, Zhongbo Yu, Zhijia Li, and Qiaoling Li. "Improving the flood prediction capability of the Xinanjiang model in ungauged nested catchments by coupling it with the geomorphologic instantaneous unit hydrograph." Journal of Hydrology 517 (September 2014): 1035–48. http://dx.doi.org/10.1016/j.jhydrol.2014.06.037.

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HUNG, CHUN-PO. "GENERAL CODING METHOD ON RANDOM SELF-SIMILAR TREE COMPOSED OF MULTIPLE BASIC PATTERNS." Fractals 17, no. 03 (2009): 283–98. http://dx.doi.org/10.1142/s0218348x09004442.

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This work discusses the random self-similar tree generation by employing multiple basic patterns, and investigates the character code and standardization algorithm for multiple basic patterns. With reference to the wide range of various basic patterns in natural shapes, the general coding method and the corresponding algorithm to calculate the topological distance is developed for random self-similar tree with multiple basic patterns. To assess the adaptability of the process, the general coding method is applied to transfer the generated river network to a code series and the corresponding al

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Seo, Y., and S. Y. Park. "Prediction of direct runoff hydrographs utilizing stochastic network models: a case study in South Korea." Hydrology and Earth System Sciences Discussions 11, no. 10 (2014): 11247–79. http://dx.doi.org/10.5194/hessd-11-11247-2014.

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Abstract. In this study, we combine stochastic network models that reproduce the actual width function and the width function based instantaneous unit hydrograph (WFIUH) that directly makes use of a width function and converts it into runoff hydrographs. We evaluated the stochastic network models in terms of reproducing the actual width function and also the robustness of the semi-distributed model (WFIUH) in application to a test watershed in South Korea. The stochastic network model has an advantage that it replicates width functions of actual river networks, whereas the WFIUH has an advanta

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