Results 21 to 30 of about 2,439 (256)

Investigating rainfall estimation from radar measurements using neural networks [PDF]

open access: yesNatural Hazards and Earth System Sciences, 2013
Rainfall observed on the ground is dependent on the four dimensional structure of precipitation aloft. Scanning radars can observe the four dimensional structure of precipitation.
A. Alqudah, V. Chandrasekar, M. Le
doaj   +1 more source

Rain rate measurements by a rain gauge network inSingapore

open access: yesElectronics Letters, 1997
Point rainfall rates measured over several years by a network of rain gauges located along a line in Singapore are presented. Moupfouma's probability law model (with suitable local parameters) for rainfall rates fits the cumulative distribution of rainfall rates obtained.
null Ong, null Zhu
openaire   +1 more source

Rationalization of Rainfall Station In Ternate Island [PDF]

open access: yesE3S Web of Conferences, 2021
Good rainfall data can be obtained from recordings that are maintained and monitored continuously. Thus, the more rain stations there are, the more detailed the rainfall data will be.
Widyawati Ega   +4 more
doaj   +1 more source

Improving flood forecasting in Narmada river basin using hierarchical clustering and hydrological modelling

open access: yesResults in Engineering, 2023
The purpose of the study was to use hierarchical clustering and Thiessen polygon algorithms to identify the significant rain gauge stations for flood forecasting at Sardar Sarovar Dam. Rainfall data from 2010 to 2018 was utilized to analyze the catchment
Darshan Mehta   +4 more
doaj   +1 more source

Comparative study on the influence of rain-gauge network on the uncertainty of hydrological modeling

open access: yesShui kexue jinzhan, 2019
The design of the rain gauge network affects the accuracy of model simulation. Therefore,studying the effect of rain gauge density and its distribution on improving runoff simulation accuracy and reducing the modeling uncertainty is of vital importance ...
CHEN Hua   +6 more
doaj   +1 more source

Optimization of rain gauge sampling density for river discharge prediction using Bayesian calibration [PDF]

open access: yesPeerJ, 2020
River discharges are often predicted based on a calibrated rainfall-runoff model. The major sources of uncertainty, namely input, parameter and model structural uncertainty must all be taken into account to obtain realistic estimates of the accuracy of ...
Alexandre M.J.-C. Wadoux   +3 more
doaj   +2 more sources

Geostatistical mapping of precipitation: implications for rain gauge network design

open access: yesWater Science and Technology, 2006
This study examined four univariate kriging techniques; simple kriging (SK), ordinary kriging (OK), multi-Gaussian kriging (MGC), and log-normal kriging (LNK); and two multivariate kriging algorithms; kriging with external drift (KED) using elevation and slope in two different models for the estimation of daily rainfall in a 250 m × 250 m grid over a ...
M H, Nour, D W, Smit, M, Gamal El-Din
openaire   +2 more sources

Application of transformed data in rain gauge network design using entropy concept [PDF]

open access: yesمهندسی منابع آب, 2017
Precipitation is known as one of the most important factors in a hydrologic cycle. Hence, an accurate knowledge of rainfall data, which are usually gathered through a group of rain gauges, is necessary for any hydrologic simulation on a watershed ...
Mahmood Reza Shaghaghian
doaj  

Mesoscale and Local Scale Evaluations of Quantitative Precipitation Estimates by Weather Radar Products during a Heavy Rainfall Event

open access: yesAdvances in Meteorology, 2016
A 24-hour heavy rainfall event occurred in northeastern France from November 3 to 4, 2014. The accuracy of the quantitative precipitation estimation (QPE) by PANTHERE and ANTILOPE radar-based gridded products during this particular event, is examined at ...
Basile Pauthier   +5 more
doaj   +1 more source

Assessing satellite-based precipitation estimates in the Southern Appalachian mountains using rain gauges and TRMM PR [PDF]

open access: yesAdvances in Geosciences, 2010
A study was performed using the first full year of rain gauge records from a newly deployed network in the Southern Appalachian mountains. This is a region characterized by complex topography with orographic rainfall enhancement up to 300% over small ...
O. P. Prat, A. P. Barros
doaj   +1 more source

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