Results 21 to 30 of about 358,508 (301)

Rainfall Data Analysis and Study of Meteorological Draught in Iraq for the Period 1970-2010

open access: yesTikrit Journal of Engineering Sciences, 2017
This work aimed to analyze and evaluate the metrological draught in Iraq. Monthly rainfalldata were collected from 22 meteorological stations scattered all over Iraq for the period 1970-2010.
Taymoor A. Awchi, Ansam I. Jasim
doaj   +3 more sources

Monthly rainfall forecasting modelling based on advanced machine learning methods: tropical region as case study

open access: yesEngineering Applications of Computational Fluid Mechanics, 2023
Existing forecasting methods employed for rainfall forecasting encounter many limitations, because the difficulty of the underlying mathematical proceeding in dealing with the patterning and imitation of rainfall data.
Mohammed Falah Allawi   +7 more
doaj   +1 more source

Optimization Study For The Cross-Section Of A Concrete Gravity Dam: Genetic Algorithm Model And Application [PDF]

open access: yes, 2019
Concrete gravity dams have trapezoidal shape in their cross section and shall guarantee the global stability against acting loads like hydrostatic and uplift pressures through his gravitational actions (self-weight and others).
Araujo, Leilson Joaquim   +2 more
core   +3 more sources

Devising a mathematical model for displacement estimation of the wetting pattern center from the emitter location resulting from the soil surface slope

open access: yesTikrit Journal of Engineering Sciences, 2022
This research aims to study the effect of land surface slope on the shape and size of the wetting pattern in the soil resulting from a dripping source, especially when there is a local surface runoff resulting from a water application rate higher than ...
Mohammad Tariq Mahmood   +1 more
doaj   +1 more source

Chinese hydropower companies and environmental norms in countries of the global South: the involvement of Sinohydro in Ghana’s Bui Dam [PDF]

open access: yes, 2012
The paper examines the role of environmental norms in Chinese overseas investment in hydropower dams, exemplified by Sinohydro’s involvement in the Bui Dam in Ghana.
Hensengerth, Oliver
core   +1 more source

Demonstration of early functional compromise of bone marrow derived hematopoietic progenitor cells during bovine neonatal pancytopenia through in vitro culture of bone marrow biopsies [PDF]

open access: yes, 2012
Background Bovine neonatal pancytopenia (BNP) is a syndrome characterised by thrombocytopenia associated with marked bone marrow destruction in calves, widely reported since 2007 in several European countries and since 2011 in New Zealand. The disease is
Ballingall, Keith T   +8 more
core   +2 more sources

Emergency Notification System [PDF]

open access: yes, 2016
This document contains the impact structures, breach area, and location of high hazard dams within the City of Austin.Waller Creek Working ...
City of Austin Watershed Protection & Development Review
core   +1 more source

Effect of Intermittent Water Application from Trickle Source on The Water Movement and Moisture Distributionin Layered Soil

open access: yesTikrit Journal of Engineering Sciences, 2020
Efficient design of trickle irrigation system depends on the shape and volume of wetted soil, which are affected by many factors. Among these factors are water application rate, soil profile type, initial soil moisture, and continuous or intermittent ...
Haqqi Ismail Yasin   +1 more
doaj   +1 more source

A Flexible Particle Model for Rock Fracture: Validation and Assessment of the Influence of Deformability on the Macroscopic Response

open access: yesGeotechnics, 2022
Circular/spherical rigid particle models that were initially applied to rock fracture studies were not able to match the ratio of the compressive strength to tensile strength that occurs in rock.
Nuno Monteiro Azevedo   +2 more
doaj   +1 more source

Morphological Variations of A Certain Tigris River Reach For Different Periods in Iraq

open access: yesTikrit Journal of Engineering Sciences, 2007
A morphological variations occurs in the paths of rivers due to many reasons such as the hydraulic changes in the natural flow regime of rivers in-addition to the human activities on rivers such as dams constructions on rivers.
Thair Al-Taiee, Adil Al-Hamdani
doaj   +1 more source

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