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    Australia

    Revealing Hidden Climate Indices

    In a previous post, we illustrated a widely used method called principal component analysis (PCA). This method can be used as an exploratory tool to summarise a dataset made of hundreds or thousands of time series into just a few

    Ben 29 October 202126 January 2023 Exploring data Read more

    Transforming a distance matrix into a map

    The map in the figure below shows the location of 195 hydrologic stations, which can be used to explore the hydrologic regimes of Australian rivers. The hydrologic regime is characterized by the flow seasonality, as shown for three particular stations

    Ben 19 September 202026 January 2023 Exploring data, Just fun! Read more

    El NiñOz

    The Pacific Ocean sometimes catches a fever in its Eastern tropical part (off the coasts between Central America and Peru): for extended periods of time, its surface waters are abnormally warm. These are known as El Niño episodes. Sometimes the

    Ben 26 August 202026 January 2023 Exploring data Read more

    Fun with dendrograms

    A dendrogram is a way to visualise objects organised in a hierarchy. It looks like a tree where: the leaves represent the objects of the dataset; the branches link similar leaves according to a given criterion. Below are three animated

    Chloe 20 July 202026 January 2023 Just fun! Read more

    How Australian rivers can be grouped into 4 main hydrologic regimes

    Investigating the hydrologic regime of 195 rivers in Australia revealed three types of flow seasonality. At some stations, the wettest period occurs during one particular season (winter or summer), whereas at others, similar flows are observed all year round. How

    Chloe 7 July 202026 January 2023 Exploring data Read more

    Exploring the hydrologic regime of 195 rivers in Australia

    Plotting hydrologic regimes Most hydrologic studies start by determining the average quantity of water in rivers and how it is distributed throughout the year. Let’s consider the Australian reference dataset provided by the Bureau of Meteorology, with daily runoff data

    Chloe 21 June 202026 January 2023 Exploring data Read more

    EU funding

    This project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Sklodowska-Curie grant agreement No 835496.

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