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.nicc...@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.frances...@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.nicc...@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.frances...@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.nicc...@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@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@lists.osgeo.org >>>> https://lists.osgeo.org/mailman/listinfo/gvsig-italian >>>> >>> _______________________________________________ >>> gvSIG-Italian mailing list >>> gvSIG-Italian@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@lists.osgeo.org >> https://lists.osgeo.org/mailman/listinfo/gvsig-italian >> >
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