نتایج جستجو برای: system dynamics hydrological model
تعداد نتایج: 4129631 فیلتر نتایج به سال:
Abstract. The Columbia River Treaty (CRT) signed between the United States and Canada in 1961 is known as one of most successful transboundary water treaties. Under continued cooperation, both countries equitably share collective responsibilities reservoir operations flood control hydropower benefits from treaty dams. As balance key factor future cooperation could be challenged by external soci...
This thesis summarises development and application of a hydrological model for simulating forest canopy processes, snow accumulation and melt, soil and ground water interactions, and streamflow routing. A motivation behind the model development is to outline a methodology for predicting the influence of land use changes on catchment hydrological processes. In addition, the development aims at p...
The interdependency of biological and physical components of the arctic tundra system can yield strongly nonlinear processes with potential thresholds for ecosystem shifts. Hydrology critically infl uences the ecosystem dynamics in the Arctic, even though the tundra appears to have a relatively simple hydrologic system, often consisting of only a saturated active layer underlain by permafrost. ...
This paper offers a conceptual approach to explore the complex dynamics of floodplains as fully coupled human-water systems. A number of hydrologists have recently investigated the impact of human activities (such as flood control measures, land-use changes, and settlement patterns) on the frequency and severity of floods. Meanwhile, social scientists have shown how interactions between society...
The episodic nature of hydrological flows such as surface runoff and preferential flow is a result of the nonlinearity of their triggering and the intermittency of rainfall. In this paper we examine the temporal dynamics of threshold processes that are triggered by either an infiltration excess (IE) mechanism when rainfall intensity exceeds a spec5 ified threshold value, or a saturation excess ...
The management of groundwater resources commonly involves challenges and complexities, which are taken on by researchers using a variety different strategies [...]
chooshing the knowledge management strategy is affected by different organizational factors like business strategy, organizational structure, organizational culture, information technology strategy, human resource management, and dynamics of knowledge. it is difficult for strategists to consider all these factors in choosing appropriate km strategy. in this research after presenting a six step ...
A hydrological ensemble prediction system, integrating a water balance model with ensemble precipitation forecasts from the European Centre for Medium-Range Weather Forecasts (ECMWF) Ensemble Prediction System (EPS), is evaluated for two Belgian catchments using verification methods borrowed from meteorology. The skill of the probability forecast that the streamflow exceeds a given level is mea...
This paper asks a simple question: if humans and their actions co-evolve with hydrological systems (Sivapalan et al., 2012), what is the role of hydrological scientists, who are also humans, within this system? To put it more directly, as traditionally there is a supposed separation of scientists and society, can we maintain this separation as sociohydrologists studying a socio-hydrological wor...
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