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147  Articles
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Generalized Space-Time Autoregressive (GSTAR) model is one of the models that usually used for modeling and forecasting space and time series data. The aim of this paper is to study further about the stationarity conditions for parameters in the GSTAR mod... see more

Kalman filter main advantage over simpler state estimators is ability to adjust filter’s gain accordingly to observable signal instability. It is shown that it is possible to use simple observers if filters gain is stationary regardless of aircraft maneuv... see more

The present study has the objective of investigating the hypothesis of stationary behavior in the streamflow regime of the upper Juruá river basin. For this purpose, the annual maximum daily flow data recorded at stations located in Cruzeiro do Sul and Ma... see more

Various manmade features (diversions, dredging, regulation, etc.) have affected water levels in the Great Lakes and their outlets since the 19th century. The goal of this study is to analyze the impacts of such features on the stationarity and dependence ... see more

Climate change has led to non-stationarity in recorded floods all over the world. Although previous studies have widely discussed the design error caused by non-stationarity, most of them explored basins with closed catchment areas. The response of flood ... see more

Hydrology, as science, refers to the study of the hydrological cycle. This comprises hydrological processes that can be analyzed over time, space, or both together, which, in their turn, are quantitatively described by hydrological variables and represent... see more

Increased international trade flows and reduced trade restrictions have sparked ongoing debate and discussion about the influence of international trade on economic progress. Based on the empirical evaluation, the paper investigates the impact of trade op... see more

Increased international trade flows and reduced trade restrictions have sparked ongoing debate and discussion about the influence of international trade on economic progress. Based on the empirical evaluation, the paper investigates the impact of trade op... see more

The river floods are among the most dangerous natural disasters in the world. Each year, the spring floods cause the significant material damage in the different countries, including Ukraine. Knowledge of trends in such floods, as well as their probabilis... see more

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