نتایج جستجو برای: average monthly hydrograph

تعداد نتایج: 405448  

Journal: :Journal of the Japan society of photogrammetry and remote sensing 1993

Journal: :Sustainability 2023

Precise rainfall measurement is essential for achieving reliable results in hydrologic applications. The technological advancement has brought numerous datasets that can be available to assess patterns. However, the suitability of a given dataset specific location remains an open question. objective this study find which perform well India at various spatial resolutions: pixel level, meteorolog...

2001
OGNJEN BONACCI

The problems and present methods for the calculation of monthly and annual effective infiltration coefficients in Dinaric karst catchments which cover areas smaller than 200 km are discussed. An example is given of the catchment of the Gradole karst spring, which covers 114 km. The climate on the catchment is North Mediterranean, with average annual rainfall of 986 mm, average air temperature o...

Journal: : 2023

In this study, autoregressive integrated moving average (ARIMA) and artificial neural network (ANN) models were applied to predict the monthly flow time series of two stations, named Begova Chemcermo, for Khabour River. The analysis was performed using several criteria tests. autocorrelation function (ACF) partial (PACF) check accuracy ARIMA model. Akaike (AIC) Bayesian (BIC) equations determin...

Journal: :مدیریت آب و آبیاری 0
ساره سیاری دانشجوی دکتری سازه های آبی، بخش مهندسی آب، دانشگاه شهید باهنر کرمان، ایران مجید رحیم پور دانشیار بخش مهندسی آب، دانشگاه شهید باهنر کرمان، ایران محمد ذونعمت کرمانی استادیار بخش مهندسی آب، دانشگاه شهید باهنر کرمان، ایران

furrow irrigation is the most common type of surface irrigation. determine the advance and recession time in the field is required the accurate measurement and this can be costly and time consuming. winsrfr model is used for simulation furrow irrigation by zero inertia and kinematic wave engines. using this model, advance time, reaction time, infiltration depth, runoff depth and application eff...

2014
James Connaughton Natalie King Licheng Dong Patrick Ji

The effectiveness of three simple flood operating rules in reducing the peak flow is compared for four simplified hydrograph shapes. The Minimize Flood Peak rule uses available flood storage capacity to store peak flows from an accurate hydrograph forecast. The less demanding Minimize Flooding Frequency operating rule releases water at or below channel capacity until the flood storage pool is f...

برزگری, فاطمه, دستورانی, محمدتقی,

Accurate estimation of suspended sediment in rivers is very important from different aspects including agriculture, soil conservation, shipping, dam construction and aquatic research. There are different methods for suspended sediment estimation. In the present study to evaluate the ability of time-series models including Markov and ARIMA in predicting suspended sediment and to compare their re...

Journal: : 2023

This paper analyzes a monthly global gridded sea-surface wind dataset from Jan 1991 to Dec 2020, sourced the International Comprehensive Ocean-Atmosphere Data Set (ICOADS). The goal is construct schematic maps depicting average distributions of speeds and directions in East Vietnam Sea. These provide visual representation monsoon patterns at different points areas region. statistical analytical...

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