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Spatial distributions of (a) maximal streamflow in cfs (cubic feet per second), (b)
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A streamflow time series encompasses a large amount of hidden information and
18 reliable prediction of its behavior in the future remains a challenge. It seems that the use of information measures can significantly contribute to determining the time horizon of rivers and improving predictability. Using the Kolmogorov complexity (KC) and its deriva...
Contexts in source publication
Context 1
... spatial distributions of monthly streamflow, coefficient of variation (CV), altitude, slope, and dams' locations of the U.S. rivers for the period 1950-2015 are shown in Fig. 1. ...
Context 2
... we say human activities, we primarily mean dams but also channels. Figure 1e shows the spatial distribution of dams It is noted that the channelization of rivers decreases the complexity of river flow. For example, applying the KC complexity analysis of monthly river discharge, Mihailović et al. (2014) found that during the period 1926-1990 there was a drop in KC in the mountain rivers in Bosnia and Miljacka (Bosnia and Herzegovina) for the period 1946-1965, in comparison with two other periods (1926-1945 and 1966-1990). ...
Context 3
... spatial distribution of LE (0.09-0.18) of monthly streamflow of the U.S. rivers for the period 1950-2015 is shown in Fig. 7a. This time interval was chosen so that their endpoints were nearly symmetrical with respect to LE = 0.146. The spatial distribution of gauge stations in this figure in comparison with the spatial distribution of dams in Fig. 1e is almost indistinguishable. Further inspection of Fig. 7a shows that the number of gauge stations in the Western part (which is mostly mountainous) is approximately the same as the number of gauge stations in the Eastern part. This leads us to the conclusion that the influence of orography on the river flow dynamics is much smaller ...
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... zone includes a band extending along the western part of the Midwest and the eastern part of the Southwest, the central part of the West, and a narrow belt along the Atlantic coast in the Northeast (Fig. 10a). Low values of KC and LE result in a longer time horizon. This zone is not visible on the KC spectrum due to extremely small KC values and also due to averaging, but it exists. Undoubtedly, dams also and other types of human activity affect the dynamics of rivers. However, many other factors, such as weather, climate, orography, ...
