نتایج جستجو برای: bias in peak discharge

تعداد نتایج: 17008875  

1999
Andrea Rinaldo Sergio Fagherazzi Stefano Lanzoni Marco Marani William E. Dietrich

In this final part of our study [Fagherazzi et al., this issue; Rinaldo et al., this issue] we propose a simple model for predicting the local peak ebb and flood discharges throughout a tidal network and use this model to investigate scaling relationships between channel morphology and discharge in the Venice Lagoon. The model assumes that the peak flows are driven by spring (astronomical) tida...

Journal: :desert 0
a.r. keshtkar assistant professor, international desert research center (idrc), university of tehran, tehran, iran a. salajegheh associate professor, faculty of natural resources, university of tehran, karaj, iran m. najafi hajivar msc. graduate, natural resources and watershed management office, koohrang, iran

statistical frequency analysis is the most common procedure for the analysis of flood data at a gauged location thatin first step it is needed to select a model to represent the population. among them, the central moment has been themost common and widely used, and with the using of computers, the application of the maximum likelihood hasincreased. this research was carried out in order to reco...

2015
Vincent Desjacques Martin Crocce Roman Scoccimarro Ravi K. Sheth

Models of galaxy and halo clustering commonly assume that the tracers can be treated as a continuous field locally biased with respect to the underlying mass distribution. In the peak model pioneered by Bardeen et al. [Astrophys. J. 304, 15 (1986)], one considers instead density maxima of the initial, Gaussian mass density field as an approximation to the formation site of virialized objects. I...

Hossaien Taherian Mohammad Reza Aghaebrahimi,

Using electric vehicles, in addition to decreasing the environmental concerns, can play an important role in decreasing the peak and filling the off-peaks of the daily load characteristics. In other words, in smart grids' infrastructure, the load characteristics can be improved by scheduling the charge and discharge process of electric vehicles. In smart grids, the customers are instantaneously...

Journal: :Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 2016

2010
MARK J. KENNARD STEPHEN J. MACKAY BRADLEY J. PUSEY JULIAN D. OLDEN NICK MARSH

Hydrologic metrics have been used extensively in ecology and hydrology to summarize the characteristics of riverine flow regimes at various temporal scales but there has been limited evaluation of the sources and magnitude of uncertainty involved in their computation. Variation in bias, precision and overall accuracy of these metrics influences the ability to correctly describe flow regimes, de...

2014
M. Gołkowski N. C. Gross R. C. Moore

Very low frequency (VLF) remote sensing observations of multifaceted local and conjugate ionospheric perturbations from geographically identified and well-characterized oceanic lightning discharges are presented for the first time. Lightning-induced electron precipitation (LEP) events are shown to produce disturbances first in the conjugate hemisphere and subsequently in the hemisphere of the c...

In this paper, the annual and economic performance of an integrated solar combined cycle (ISCC) with indirect energy storage tanks is investigated. The study includes four scenarios, in which the combined cycle performance was studied exclusively in the first scenario. In the second scenario, the integrated solar combined cycle (ISCC) was examined, and the use of supplementary firing instead of...

2009
Ravi K. Sheth

where μ is the angle with respect to the line of sight, σvel is the one-dimensional velocity dispersion, f is the growth rate, and bpk(k) and bvel(k) are k-dependent linear spatial and velocity bias factors. For peaks, the value of σvel depends upon the functional form of bvel. When the k-dependence is absent from the square brackets and bvel is set to unity, the resulting expression is assumed...

Hossaien Taherian Mohammad Reza Aghaebrahimi,

Using electric vehicles, in addition to decreasing the environmental concerns, can play an important role in decreasing the peak and filling the off-peaks of the daily load characteristics. In other words, in smart grids' infrastructure, the load characteristics can be improved by scheduling the charge and discharge process of electric vehicles. In smart grids, the customers are instantaneously...

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