Results 11 to 20 of about 1,505,249 (270)

A Sediment Rating-curve Method to Determine Sediment Discharge for Rainy Season in Micro-scale Watersheds [PDF]

open access: yesIndonesian Journal of Agricultural Research, 2019
This research was carried out to overcome the problem of the lack of sediment data available in several watersheds in North Sumatra, the lack of available sediment data is caused by the requirement of a large amount of time, cost and risk to obtain such
Atikah Sitorus, Edi Susanto
doaj   +7 more sources

DEVELOPING AN EXCELLENT SEDIMENT RATING CURVE FROM ONE HYDROLOGICAL YEAR SAMPLING PROGRAMME DATA: APPROACH [PDF]

open access: yesJournal of Urban and Environmental Engineering, 2008
This paper presents preliminary findings on the adequacy of one hydrological year sampling programme data in developing an excellent sediment rating curve. The study case is a 1DD1 subcatchment in the upstream of Pangani River Basin (PRB), located in the
Preksedis M. Ndomba   +2 more
doaj   +3 more sources

Developing a Sediment Rating Curve Model Using the Curve Slope

open access: yesPolish Journal of Environmental Studies, 2020
There are different ways to estimate suspended sediment load of a river. The conventional sediment rating curve model has been used widely due to its simplicity and required parameters. The most important limitation of the conventional SRC model is its relatively low precision and underestimation of the suspended sediment load in most studies. However,
Ghadim, Hamed Benisi   +4 more
openaire   +3 more sources

PERHITUNGAN NILAI NISBAH HANTARAN SEDIMEN DENGAN MENGGUNAKANKURVA SEDIMEN DAN MODEL EROSI TANAH (Calculation of Sediment Delivery Ratio Using Sediment Rating Curve and Soil Erosion Model) [PDF]

open access: yesAgritech, 2014
Prolonged soil erosion and sedimentation have negative effect on land quality showing by decreasing land productivity, in addition, sedimentation process may cause decreasing function of hydrologic infrastructures.
Nining Wahyuningrum   +3 more
doaj   +2 more sources

Sediment Curve Uncertainty Estimation Using GLUE and Bootstrap Methods

open access: yesمجله آب و خاک, 2017
Introduction: In order to implement watershed practices to decrease soil erosion effects it needs to estimate output sediment of watershed. Sediment rating curve is used as the most conventional tool to estimate sediment. Regarding to sampling errors and
aboalhasan fathabadi, hamed rouhani
doaj   +2 more sources

Estimating typical sediment concentration probability density functions for European rivers [PDF]

open access: yes, 2005
Sediment in rivers is linked with qualitative and quantitative water problems throughout Europe. Sediment supply and transfer are part of a natural process of minimising gradients in the landscape.
Becvar, Martin
core   +7 more sources

Sediment concentration rating curves for a monsoonal climate: upper Blue Nile [PDF]

open access: yesSOIL, 2016
Information on sediment concentration in rivers is important for design of reservoirs and for environmental applications. Because of the scarcity of continuous sediment data, methods have been developed to predict sediment loads based on few ...
M. A. Moges   +6 more
doaj   +1 more source

Seasonal and Interannual Changes in Sediment Transport Identified through Sediment Rating Curves [PDF]

open access: yesJournal of Hydrologic Engineering, 2017
AbstractSediment dynamics of lowland rivers are of importance in building resilient strategies to manage environmental change. Yet the effects of natural and anthropogenic disturbances on sediment dynamics are poorly understood. Here a low-frequency suspended sediment sampling data set is used to assess the spatial and temporal variations of suspended ...
Bussi, Gianbattista   +3 more
openaire   +2 more sources

Optimization of sediment rating curve coefficients using evolutionary algorithms and unsupervised artificial neural network [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2017
Sediment rating curve (SRC) is a conventional and a common regression model in estimating suspended sediment load (SSL) of flow discharge. However, in most cases the data log-transformation in SRC models causing a bias which underestimates SSL ...
Salehpour Jam, A.
doaj   +1 more source

MNiMORPH/rating-curve-2x-manning: Version 0.0.0

open access: yes, 2022
Very basic release for draft of channel-width paper. This is a sketch of the code more than anything, and its use requires modification of the code itself. It does: ManningFit.py: Find the best-fit parameters from a rating curve depth_from_discharge.py:
Andy Wickert, Campbell Dunn
core   +1 more source

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