This paper explores the impact of various group decision-making approaches on the performance of a multipurpose reservoir. The reservoir operation problem is solved by a continuous flexible stochastic dynamic program (FSDP) in which the variability and temporal persistence of the inflows are apprehended by a Markov model. Operating objectives are encoded as fuzzy sets whose membership functions...

Reservoirs are important components of modern aquatic ecosystems that have negative impacts on native aquatic biota both upand downstream. We used a landscape-scale geographic information system (GIS) approach to quantify the spatial effects of 19 large reservoirs on upstream prairie fish assemblages at 219 sites in Kansas, USA. We hypothesized that fish assemblage structure would vary with inc...

Natural reservoirs are porous and permeable rocks containing deposits of hydrocarbons (oil reservoirs) or pure water (aquifers). Porosity and permeability are the most important physical properties of reservoirs that affect flow and transport. In general these geological parameters are stochastically modeled (see [?, ?] and references therein). As a consequence the equations governing flow and ...

Several case-control studies have investigated risk factors for human salmonellosis while others have used Salmonella subtyping to attribute human infections to different food and animal reservoirs. This study combined case-control and source attribution data into a single analysis to explore risk factors at the point of exposure for human salmonellosis originating from four putative food-produ...

The food and feeding habit of beardless barb, Cyclocheilichthys apogon (Valenciennes, 1842), from family Cyprinidae was investigated by stomach content analyses of 374 collected fish in two consecutive reservoirs Temengor and Bersia Reservoirs which are separated by Temengor Dam. The main aim of this study was to compare the stomach contents of C. apogon between these two reservoirs in wet and ...

The food and feeding habit of beardless barb, Cyclocheilichthys apogon (Valenciennes, 1842), from family Cyprinidae was investigated by stomach content analyses of 374 collected fish in two consecutive reservoirs Temengor and Bersia Reservoirs which are separated by Temengor Dam. The main aim of this study was to compare the stomach contents of C. apogon between these two reservoirs in wet and ...

large amounts of hydrocarbon reserves are trapped in naturally fractured reservoirs which arechallenging in terms of accurate recovery prediction because of their joint fabric complexity andlithological heterogeneity. canada, for example, has over 400 billion barrels of crude oil in fracturedcarbonates in alberta, most of this being bitumen of viscosity greater than 106 cp in the grosmontformat...

the food and feeding habit of beardless barb, cyclocheilichthys apogon (valenciennes, 1842), from family cyprinidae was investigated by stomach content analyses of 374 collected fish in two consecutive reservoirs; temengor and bersia reservoirs which are separated by temengor dam. the main aim of this study was to compare the stomach contents of c. apogon between these two reservoirs in wet and...

pore pressureis defined as the pressure of the fluid inside the pore space of the formation, which is also known as the formation pressure. when the pore pressure is higher than hydrostatic pressure, it is referred to as overpressure. knowledge of this pressure is essential for cost-effective drilling, safe well planning, and efficient reservoir modeling. the main objective of this study is to ...

porosity is considered as an important petrophysical parameter in characterizing reservoirs, calculating in-situ oil reserves, and production evaluation. nowadays, using intelligent techniques has become a popular method for porosity estimation. support vector machine (svm) a new intelligent method with a great generalization potential of modeling non-linear relationships has been introduced fo...