Abstract
AbstractClimatic changes and anthropogenic modifications of the river basin or river network have the potential to fundamentally alter river runoff. In the framework of this study, we aim to analyze and present historic changes in runoff timing and runoff seasonality observed at river gauges all over the world. In this regard, we develop the Hydro Explorer, an interactive web app, which enables the investigation of >7,000 daily resolution discharge time series from the Global Runoff Data Centre (GRDC). The interactive nature of the developed web app allows for a quick comparison of gauges, regions, methods, and time frames. We illustrate the available analytical tools by investigating changes in runoff timing and runoff seasonality in the Rhine River Basin. Since we provide the source code of the application, existing analytical approaches can be modified, new methods added, and the tool framework can be re‐used to visualize other data sets.
Highlights
Rivers are important lifelines nourishing communities along their shores
In the framework of this study, we focus on the global runoff data set from the Global Runoff Data Centre (GRDC)
We present the selection of analytical tools available within the Hydro Explorer
Summary
Rivers are important lifelines nourishing communities along their shores. Their waters inter alia are used for drinking, irrigation, energy production, industry, and transportation. Any change in the total amount or seasonal distribution of water potentially has serious consequences. It often remains rather difficult to access the data and to quantify possible changes. As important as the detection of changes, is the presentation of results in an accessible way for parties in- and outside the scientific community. This is difficult for larger data sets covering multiple river basins on different continents
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