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Table view in "Hazard characterization" step. #172

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DenoBeno opened this issue Jul 3, 2020 · 3 comments
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Table view in "Hazard characterization" step. #172

DenoBeno opened this issue Jul 3, 2020 · 3 comments
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@DenoBeno
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DenoBeno commented Jul 3, 2020

Could someone please enlighten me concerning this page? It's in Hazard characterization, where we have tons of indices and where (as I just learned), the event frequency is not represented in the hazard data.

And yet, only two data sets are shown on https://csis.myclimateservice.eu/study/37/step/1640/view/table and they do reference period, rcp scenario and event frequency. and what is shown changes, depending on the scenario chosen... So what exactly is shown here and how is it related to hazard layers that we show?

@RobAndGo
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RobAndGo commented Jul 3, 2020

I can explain.

Note that in the presentation, the heat index showing the temperature during a 7-day heat wave is a user-friendly version of what is shown in the table. This was only produced within the last weeks, and so was not uploaded into CSIS. And I think Meteogrid (@ghilbrae and @LauraMTG) are busy with other more important things than to deal with yet another dataset.

Originally, the heat index value in the table was only planned to be used for calculations in emikat for the PLINVIS local model, and so was not going to be shown to the public. This is why the value of "0.066 days at 41C" is so cryptic.

If it helps, I originally planned to enter the "user-friendly" version of the data into the data package, and have the data available on zenodo for the user to download. Whether there would be time for it to make it onto the clarityftp for conversion into a map layer is another question.

@p-a-s-c-a-l
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p-a-s-c-a-l commented Jul 3, 2020

The HC Table is not related to hazard layers show in the map at all.

Let me explain: New simple tables are fed by EMIKAT APIs only, not HC datasets stored on GeoServer. Reason is that after changes in data structure and due to lack of resources for re-implementing the aggregation part ("thresholds") we had to abandon the old table-components and especially the table-state-rest-api responsible for data aggregation.

We could probably try to implement tables that show hazard indexes from geo server, but without aggregation and such, just showing the plain data as it is. But before that, we introduce kind of split-tables for comparing baseline vs. adapted scenarios as we intend to implement for the maps.

Why does the table just shortwo datasets rows? -> This was changed by request.

This is why the value of "0.066 days at 41C" is so cryptic.

The original data retrieved from EMIKAT is even more cryptic: 35.5_0.066d

I originally planned to enter the "user-friendly" version of the data into the data package,

Since the tables retrieve their data from EMIKAT, it has to be stored there too.

@RobAndGo
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RobAndGo commented Jul 3, 2020

Indeed the 35.5_0.066d is cryptic lol2 - here my thought was that it would be easy to write a script which splits this quantity at the delimiter _ to extract the two pieces of information.
But I was referring to having such a small fraction of a day (0.066d) count as a "heat wave". This is necessary for the calculation, but really does not mean anything to anyone else.

@p-a-s-c-a-l p-a-s-c-a-l added the question Further information is requested label Jul 6, 2020
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