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Kick off online phase

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Step 1: The online phase

  • Familiarize yourself with the data

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  • Familiarize yourself with the catchment

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  • Understand how to use the data for climate change

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  • Prepare the data that is going to be used in W1 and W2

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Step 1 week 1

  • You have been given flow data from the Ouseburn catchment

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Familiarize yourself with the data!

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  • 1 or 2 slides of your presentation

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Task 1: Basic stats

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  • How many years of data do we have?

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  • Is the data complete? Are there any missing values?

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  • What are the units of the data?

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  • What is the temporal resolution of the data?

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Task 2: Hydrology

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  • Mean, median, standard deviation of the data

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  • Plot two years of data – 94/95 and 07/08

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    • Are there seasonal variations? Wet and dry seasons in Newcastle?
    • Are there a lot of inter-annual variations? What are the differences between the 94/95 year and 07/08?

Plot example: Wet (15/16) and dry (95/96) years flow values for a station in Cumbria

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Task 3: Extreme Hydrology

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Quantiles

    • Q1 and Q5 – what does a low flow look like?
    • Q95 and Q99 – what does a high flow look like?

Even more extreme!

    • Annual maxima – compute the maximum flow for every water year in the timeseries – a water year in the UK starts in the 1st of October at 09:00 AM

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    • Get the highest ever recorded rainfall and flow values
    • Get the median of the AMAX series that you have created

Plot Example: AMAX series for a station in Scotland

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Task 4: Do the same for rainfall data

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Rainfall data is available on the website ressources