[gvSIG_Italian] Peakflow output

Niccolo Tubini tubini.niccolo a gmail.com
Lun 17 Set 2018 05:49:22 PDT


Ciao a tutti,

ho lanciato una simulazione con una precipitazione registrata, intervallo
di campionamento 5 minuti.
Il time step dell'idrogramma calcolato varia tra 1 e 2 minuti. Per
correggerlo devo considerare un time step di 5 minuti, pari a quello della
precipitazione, o un time step di 1 minuto?
Se considero un time step di 5 minuti il picco di piena e` circa 11 ore
dopo l'inizio della precipitazione, per un bacino di 1km2 mi sembra tanto.
Con un time step di 1 minuto il picco e` prima dell'inizio della
precipitazione.

Grazie in anticipo,
Niccolo`

Il giorno mar 28 ago 2018 alle ore 11:36 Niccolo Tubini <
tubini.niccolo a gmail.com> ha scritto:

> ok, e il timestep e` 1 minuto giusto?
>
>
>
> Il giorno mar 28 ago 2018 alle ore 11:35 Silvia Franceschi <
> silvia.franceschi a gmail.com> ha scritto:
>
>> Ciao Niccolò,
>> credo che la differenza sia dovuta a due modi diversi di calcolare la
>> portata massima, ovvero nel log vedi il calcolo diretto nell'istante esatto
>> del massimo, mentre nel CSV il calcolo è fatto rispettando gli intervalli
>> di tempo indicati. E' anche normale che ci siano intervalli un po' diversi,
>> in realtà sarebbero arrotondati... ma lo puoi fare a mano.
>>
>> Silvia
>>
>>
>> On Tue, Aug 28, 2018 at 9:50 AM Niccolo Tubini <tubini.niccolo a gmail.com>
>> wrote:
>>
>>> Ciao Silvia,
>>>
>>> la celerita` 4m/s l'ho messa per vedere cosa sarebbe cambiato a parita`
>>> degli altri input rispetto all'idrogramma ottenuto con una celerita` di
>>> 2m/s. Mi rendo conto che e` alta pero` essendo la prima volta che usavo
>>> peakflow volevo capire come i vari input incidessero sul risultato della
>>> simulazione.
>>> Il bacino su cui sto lavorando e` il Rio secco (area ~1.4 Km2 e
>>> lunghezza dell'asta principale ~2km).
>>>
>>> Ho rilanciato la simulazione e ottengo gli stessi valori. Abbasando il
>>> valore della celerita` a 3m/s nel log leggo 38.79 m3/s e nel csv 35.05, con
>>> 2m/s nel log 26.72 m3/s e nel csv 26.95 m3/s.
>>>
>>> Un'altra cosa (spero l'ultima) il timestep dell'idrogramma non e`
>>> costante
>>> 2018-08-28 06:44,0.0
>>> ,2018-08-28 06:46,3.3871822587362477
>>> ,2018-08-28 06:48,11.024139734276767
>>> ,2018-08-28 06:49,17.5583421869693
>>> ,2018-08-28 06:51,23.00152613016996
>>> ,2018-08-28 06:53,26.954433356925595
>>> ,2018-08-28 06:54,23.025622427416245
>>> a volte e` 1 minuto altre volte 2, e` normale?
>>>
>>> Grazie ancora della disponibilita`, ciao
>>> Niccolo`
>>>
>>> Il giorno lun 27 ago 2018 alle ore 20:50 Silvia Franceschi <
>>> silvia.franceschi a gmail.com> ha scritto:
>>>
>>>> Ciao Niccolò,
>>>> la durata della precipitazione è in minuti, riguardo invece la portata
>>>> massima, di solito differenzia di un pochino tra log e file però in questo
>>>> caso mi pare esagerata la differenza. Sei sicuro di star guardando il CSV
>>>> corretto? inoltre la velocità di 4 m/s che hai impostato mi sembra un
>>>> pochino alta, che bacino hai?
>>>>
>>>> Silvia
>>>>
>>>>
>>>> On Fri, Aug 24, 2018 at 1:45 PM Niccolo Tubini <
>>>> tubini.niccolo a gmail.com> wrote:
>>>>
>>>>> Ciao a tutti,
>>>>>
>>>>> ho lanciato il comando Peakflow e nella finestra Spatial Toolbox log
>>>>> leggo questo
>>>>> Process started: 2018-08-24 12:35:43
>>>>> ------------------------------>8----------------------------
>>>>> Launching command:
>>>>> ------------------
>>>>> C:\Program
>>>>> Files\gvSIG-desktop\gvSIG-desktop-2.4.0\gvSIG\extensiones\jre\bin\java.exe
>>>>> -Xmx2000m -cp
>>>>> "C:\Users\Niccolo\gvSIG\installation\gvSIG\extensiones\org.hortonmachine.gvsig.base\lib\groovy-all-2.4.6.jar;C:\Users\Niccolo\gvSIG\installation\gvSIG\extensiones\org.hortonmachine.gvsig.base\lib/*;."
>>>>> groovy.ui.GroovyMain
>>>>> C:\Users\Niccolo\AppData\Local\Temp\hm_script_330421177113872359.groovy
>>>>> (you can run the above from command line, customizing the content)
>>>>> ----------------------------------->8---------------------------------
>>>>>
>>>>> Script run:
>>>>> -----------
>>>>> org.hortonmachine.modules.Peakflow _peakflow = new
>>>>> org.hortonmachine.modules.Peakflow();
>>>>> _peakflow.pA = 49.5;
>>>>> _peakflow.pSat = 80;
>>>>> _peakflow.pCelerity = 4;
>>>>> _peakflow.outDischarge = """C:/Users/Niccolo/Documents/provaQ.csv""";
>>>>> _peakflow.inTopindex =
>>>>> """C:/Users/Niccolo/gvSIG-workspace/RioSecco_5m_25832/top_index_corrected_cut.asc""";
>>>>> _peakflow.inRescaledsub =
>>>>> """C:/Users/Niccolo/gvSIG-workspace/RioSecco_5m_25832/resc_dist_r100_80_sub_cut.asc""";
>>>>> _peakflow.inRescaledsup =
>>>>> """C:/Users/Niccolo/gvSIG-workspace/RioSecco_5m_25832/resc_dist_r5_80_sup_cut.asc""";
>>>>> _peakflow.pN = 0.32;
>>>>> _peakflow.pDiffusion = 1000;
>>>>> _peakflow.process();
>>>>> println ""
>>>>> println ""
>>>>>
>>>>> ------------------------------>8----------------------------
>>>>> Reading coverage: top_index_corrected_cut.asc
>>>>> Finished.
>>>>> Reading coverage: resc_dist_r5_80_sup_cut.asc
>>>>> Finished.
>>>>> Reading coverage: resc_dist_r100_80_sub_cut.asc
>>>>> Finished.
>>>>> Vectorizing double vectors
>>>>> Sorting...
>>>>> ...
>>>>> Finished.
>>>>> Splitting real vectors
>>>>> 1 empty bins where found
>>>>> Creating new matrix
>>>>> Vectorizing double vectors
>>>>> Sorting...
>>>>> ...
>>>>> Finished.
>>>>> Splitting real vectors
>>>>> Creating new matrix
>>>>> Vectorizing double vectors
>>>>> Sorting...
>>>>> ...
>>>>> Finished.
>>>>> Splitting real vectors
>>>>> 12 empty bins where found
>>>>> Creating new matrix
>>>>> Peakflow launched in statistic mode...
>>>>> IUH Diffusion...
>>>>> Calculating diffusion...
>>>>> 0%...
>>>>> 10%...
>>>>> 20%...
>>>>> 30%...
>>>>> 40%...
>>>>> 50%...
>>>>> 60%...
>>>>> 70%...
>>>>> 80%...
>>>>> 90%...
>>>>> 100%...
>>>>> Finished.
>>>>> Calculating subsurface IUH...
>>>>> 10%...
>>>>> 20%...
>>>>> 30%...
>>>>> 40%...
>>>>> 50%...
>>>>> 60%...
>>>>> 70%...
>>>>> 80%...
>>>>> 90%...
>>>>> 100%...
>>>>> Finished.
>>>>> IUH Diffusion...
>>>>> 0%...
>>>>> 10%...
>>>>> 20%...
>>>>> 30%...
>>>>> 40%...
>>>>> 50%...
>>>>> 60%...
>>>>> 70%...
>>>>> 80%...
>>>>> 90%...
>>>>> 100%...
>>>>> Finished.
>>>>> Statistic Jeff...
>>>>> Q calculation...
>>>>> Calculating Jeff...
>>>>> Calculating discharge for t < tcorr...
>>>>> 0%...
>>>>> 10%...
>>>>> 20%...
>>>>> 30%...
>>>>> 40%...
>>>>> 50%...
>>>>> 60%...
>>>>> 70%...
>>>>> 80%...
>>>>> 90%...
>>>>> 100%...
>>>>> Finished.
>>>>> Calculating discharge for t > tcorr...
>>>>> 0%...
>>>>> 10%...
>>>>> 20%...
>>>>> 30%...
>>>>> 40%...
>>>>> 50%...
>>>>> 60%...
>>>>> 70%...
>>>>> 80%...
>>>>> 90%...
>>>>> 100%...
>>>>> Finished.
>>>>> Maximum rainfall duration: 115.0
>>>>> Maximum discharge value: 50.25414096383695
>>>>>
>>>>>
>>>>> Process finished: 2018-08-24 12:35:52
>>>>>
>>>>> Quando pero` apro il file .csv di output la portata massima e` pari a
>>>>> 37.76900478990363, la portata massima corretta e` quella nel .csv?
>>>>> Riporto le prime righe del .csv
>>>>> @H,date,discharge
>>>>> Format,yyyy-MM-dd HH:mm,
>>>>> Type,Date,
>>>>> ,2018-08-24 10:35,0.0
>>>>> ,2018-08-24 10:37,37.76900478990363
>>>>> ,2018-08-24 10:39,35.33001832680685
>>>>> ,2018-08-24 10:40,20.212508980665184
>>>>> ,2018-08-24 10:42,13.446104538944528
>>>>> ,2018-08-24 10:44,9.892880269987524
>>>>> ,2018-08-24 10:45,7.5939577680423245
>>>>> ,2018-08-24 10:47,6.011784274922036
>>>>> ,2018-08-24 10:49,4.929564446763167
>>>>> ,2018-08-24 10:50,4.122217965006686
>>>>> ,2018-08-24 10:52,3.531891748182115
>>>>>
>>>>> Inoltre volevo chiedere se la durata della precipitazione riportata
>>>>> nel log e` espressa in minuti.
>>>>>
>>>>> Grazie in anticipo,
>>>>> Niccolo`
>>>>> _______________________________________________
>>>>> gvSIG-Italian mailing list
>>>>> gvSIG-Italian a lists.osgeo.org
>>>>> https://lists.osgeo.org/mailman/listinfo/gvsig-italian
>>>>>
>>>>
>>>>
>>>> --
>>>> ing. Silvia Franceschi
>>>> Via Latemar, 22
>>>> 38030 Castello di Fiemme (TN)
>>>>
>>>> tel: 0039 -3384501332
>>>> _______________________________________________
>>>> gvSIG-Italian mailing list
>>>> gvSIG-Italian a lists.osgeo.org
>>>> https://lists.osgeo.org/mailman/listinfo/gvsig-italian
>>>>
>>> _______________________________________________
>>> gvSIG-Italian mailing list
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>>> https://lists.osgeo.org/mailman/listinfo/gvsig-italian
>>>
>>
>>
>> --
>> ing. Silvia Franceschi
>> Via Latemar, 22
>> 38030 Castello di Fiemme (TN)
>>
>> tel: 0039 -3384501332
>> _______________________________________________
>> gvSIG-Italian mailing list
>> gvSIG-Italian a lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/gvsig-italian
>>
>
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