[esp-r] Re: climate module and climate files

Tue Dec 18 01:00:25 GMT 2012

Hi Arianna,

Achim describes a different procedure than the one myself and Jon refer to but both options probably work equally well.

My understanding is that you want to make a lot of statistical changes in an existing ESP-r climate file. The climate module offers some choices but it cannot read our mind (yet) and it is often easy to just use a spreadsheet tool by exporting your data in it, apply easily the changes that you want in the data and then import the data back in ESP-r.

I will normally use the import measured data option from my previous email. The only disadvantage that I see with this option is that you will need an extra addition to your csv file: the start-up days. For example if you want to import 8760 data for each hour of the year and you have 2 start-up days then your csv should have (8760 + 2*24) rows with data.

The process is a bit cumbersome but it works fine. General steps:

1st, click create temporal entities file.

2nd, there will be a menu with options from 1 to 5. Go through all these options by actually clicking option 1 (defining a file). It will take you step by step to option 5.

3rd, add temporal entry

4th check Jon's email. If you want to import all 6 columns select the first option for climate data

5th click the entity that you added. You can the define data one by one or import from csv by clicking "! Set display period........."

6th click import column data

7th usually start from the 1st timestep, associate columns, etc. Try this out first with some exemplars for practicing

8th exit and save TDF file

9th click manage associations and then add association to link the data with your model.

If you click "list associations" you should be able to see the association of your data with your model.

Best regards,

Georgios

-----Original Message-----
From: Arianna Sdei [mailto:A.Sdei at brighton.ac.uk]
Sent: Tuesday, December 18, 2012 1:02 AM
To: Georgios KOKOGIANNAKIS; esp-r at lists.strath.ac.uk
Subject: RE: climate module and climate files

Hi Giorgios,

thank you very much for that. Would you be able to be a bit more specific about how to create .csv files and import them into ESP-r? There isn't a section in the cookbook and the exemplar is not very helpful either. I have now a .csv file in my possession with hourly data for

col 1: Diffuse solar on the horizontal (W/m**2)

# col 2: External dry bulb temperature   (Tenths DEG.C)

# col 3: Direct normal solar intensity   (W/m**2)

# col 4: Prevailing wind speed           (Tenths m/s)

# col 5: Wind direction     (clockwise deg from north)

# col 6: Relative humidity               (Percent)

year, latitude

so I could ideally create a climate file and import it into esp-r. Please let me know if you are able to implement this procedure. Thank you,

Arianna

-----Original Message-----

From: Georgios KOKOGIANNAKIS [mailto:Georgios.KOKOGIANNAKIS at nottingham.edu.cn]

Sent: 17 December 2012 14:33

To: Arianna Sdei; esp-r at lists.strath.ac.uk<mailto:esp-r at lists.strath.ac.uk>

Subject: RE: climate module and climate files

Hi Arianna,

You could prepare a csv file with the data you would like to use and then import the values in ESP-r from the "impose measured data" option in the "model context" menu (hint: remember to include the start-up days data and prepare your csv file not with hourly values but with time-step values).

You should include all 6 climate file columns in the csv file.

I do not remember if the cookbook has a section on this. There is an exemplar and a model in the tester folder (tester/test_suite/cellular_offices/cfg) but they are slightly different from your needs.

Good luck,

Georgios

________________________________________

From: esp-r-bounces at lists.strath.ac.uk<mailto:esp-r-bounces at lists.strath.ac.uk> [esp-r-bounces at lists.strath.ac.uk] On Behalf Of Arianna Sdei [A.Sdei at brighton.ac.uk]

Sent: Monday, December 17, 2012 9:53 PM

To: esp-r at lists.strath.ac.uk<mailto:esp-r at lists.strath.ac.uk>

Subject: [esp-r]  climate module and climate files

Dear All,

does anybody knows if it is possible at all to modify climate files automatically using monthly averages? I know that it is possible to modify existing files manually each hour but that is very time consuming, is there an automated way of doing this in ESP-r? Can I just modify the degree days? I look forward to hearing from you,

best

Arianna Sdei

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