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hydrosumflow.c
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hydrosumflow.c
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/*-------------------------------------------------------------------------------------------
* hydrosumflow.c
*
* Author: Albert Kettner, March 2006
*
* Sums the discharges from the snowmelt, icemelt and precipitation routines, calculates the
* annual peak flood.
* Stores the lagged overflow and groundwater pool size for the following year.
*
* Variable Def.Location Type Units Usage
* -------- ------------ ---- ----- -----
* err various int - error flag, halts program
* ii various int - temporary loop counter
* mtotal HydroSumFlow.c dbl % mass balance total
* p various int - temporary loop counter for events or outlets
* Qeventcounter HydroSumFlow.c int -
*
*-------------------------------------------------------------------------------------------*/
#include <math.h>
#include "hydroclimate.h"
#include "hydroparams.h"
#include "hydrotimeser.h"
#include "hydroinout.h"
/*-------------------------
* Start of HydroSumFlow
*-------------------------*/
int
hydrosumflow ()
{
/*-------------------
* Local Variables
*-------------------*/
int err, ii, p, Qeventcounter, eventsoccure, x, y;
double mtotal, Qpeaktemp;
/*------------------------
* Initialize Variables
*------------------------*/
err = 0;
Ewetannual = 0.0;
mtotal = 0.0;
Minput = 0.0;
Moutput = 0.0;
MEtotal = 0.0;
MQprevious = 0.0;
MQnext = 0.0;
Qtotal = 0.0;
Qeventcounter = 0;
eventsperyear = 0;
eventsoccure = 0;
if (yr == syear[ep])
{
Qgrandtotal[ep] = 0.0;
for (x = 0; x < eventsnr[ep]; x++)
{
if (setstartmeanQandQs > 0)
{
daysievent[x] = 0;
for (p = 0; p < maxnoutlet; p++)
Qgrandtotaloutlet[ep][p][x] = 0.0;
}
}
}
for (p = 0; p < maxnoutlet; p++)
{
Qpeakperoutlet[p] = 1.0;
Qtotaloutletannual[p] = 0.0;
if (setstartmeanQandQs > 0)
for (x = 0; x < eventsnr[ep]; x++)
Qtotaloutlet[p][x] = 0.0;
}
Qpeak = 1.0;
if (setstartmeanQandQs > 0)
for (p = 0; p < eventsnr[ep]; p++)
{
Qpeakevents[p] = 1.0;
numberday[p] = 0;
}
for (ii = 0; ii < daysiy; ii++)
{
/*------------------------------------------------------------------
* Sum the daily flow (m^3/s) and find the annual peak.
* Sum the annual total annual flow (m^3/s) and evaporation (m^3)
*------------------------------------------------------------------*/
if (setstartmeanQandQs == 0)
{
Qsumtot[ii] =
Qice[ii] + Qnival[ii] + Qrain[ii] + Qss[ii] + Qexceedgw[ii];
if (steadyoutletpctflag == 1)
if (floodvalue[ep] > 0.0 && Qsumtot[ii] > floodvalue[ep])
{
floodcounter++;
Qpeakfloodtemp[yr - syear[ep]][ii] = Qsumtot[ii];
}
}
if (setstartmeanQandQs > 0)
{
/*------------------------------------------------
* Check is baseflow isn't > than Qbartotal[ep]
*------------------------------------------------*/
if (baseflowtot[ep] > Qbartotal[ep])
{
fprintf (stderr,
"ERROR: in HydroSumFlow.c; setstartmeanQandQs=%d \n",
setstartmeanQandQs);
fprintf (stderr,
" baseflow is higher than your average discharge in year %d:\n",
yr);
fprintf (stderr, " baseflow = %e, Qbar= %e. \n",
baseflowtot[ep], Qbartotal[ep]);
fprintf (stderr, "Qgrandtotal[ep]=%e. \n", Qgrandtotal[ep]);
exit (-1);
}
Qsumtot[ii] =
((Qbartotal[ep] - baseflowtot[ep]) / Qbartotal[ep]) * (Qice[ii] +
Qnival[ii] +
Qrain[ii] +
Qss[ii] +
Qexceedgw
[ii]) +
baseflowtot[ep];
// printf("Qice=%f, Qnival=%f, Qrain=%f, Qss=%f, Qexceedgw=%f, Qsumtot=%f\n",Qice[ii], Qnival[ii], Qrain[ii], Qss[ii], Qexceedgw[ii], Qsumtot[ii]);
if (steadyoutletpctflag == 1)
{
for (p = 0; p < eventsnr[ep]; p++)
if (Qsumtot[ii] == Qpeakallevents[ep][p]
&& eventcounter < (eventsnr[ep] - 1))
{
eventcounter++;
numberday[eventsperyear] = ii;
eventsperyear++;
p = eventsnr[ep];
}
}
/*--------------------------------------
* calculate Qsum daily with baseflow
*--------------------------------------*/
if (outletmodelflag == 1)
for (p = 0; p < maxnoutlet; p++)
{
Qsum[ii][p] = Qsumtot[ii] * outletpct[p][ep][eventcounter];
}
daysievent[eventcounter]++;
} // ( end setstartmeanQandQs > 0 )
Qpeak = mx (Qpeak, Qsumtot[ii]);
/*-------------------------------------------------
* Find the largest Qpeak events of this year
* if the number of outlets is unknown or the
* Qfraction shifts per event over the outlets.
*-------------------------------------------------*/
if (steadyoutletpctflag == 1 && setstartmeanQandQs > 0)
{
for (p = 0; p < eventsnr[ep]; p++)
{
eventsoccure = 0;
if (Qpeakevents[p] < Qsumtot[ii]
&& Qeventcounter == (eventsnr[ep] - 1))
{
Qpeakevents[p] = mx (Qpeakevents[p], Qsumtot[ii]);
eventsoccure = 1;
p = eventsnr[ep];
}
if (Qpeakevents[p] < Qsumtot[ii]
&& Qeventcounter != (eventsnr[ep] - 1)
&& Qpeakevents[p] == 1.0)
{
Qpeakevents[p] = mx (Qpeakevents[p], Qsumtot[ii]);
Qeventcounter++;
eventsoccure = 1;
p = eventsnr[ep];
}
}
/*-------------------------------------
* Rearrange the events of this year
* ------------------------------------*/
if (eventsoccure == 1)
for (p = 0; p < eventsnr[ep] - 1; p++)
while (Qpeakevents[p] > Qpeakevents[p + 1])
{
Qpeaktemp = Qpeakevents[p + 1];
Qpeakevents[p + 1] = Qpeakevents[p];
Qpeakevents[p] = Qpeaktemp;
p = 0;
}
} /* end if ( steadyoutletpctflag == 1) */
/*---------------------------------------------------
* Calculate the total discharge of the year,
* per outlet and for the total river (all outlets)
*---------------------------------------------------*/
Qtotal += Qsumtot[ii];
if (outletmodelflag == 1 && setstartmeanQandQs > 0)
{
for (p = 0; p < maxnoutlet; p++)
{
Qpeakperoutlet[p] = mx (Qpeakperoutlet[p], Qsum[ii][p]);
Qtotaloutlet[p][eventcounter] += Qsum[ii][p];
}
}
Ewetannual += (Egw[ii] * totalarea[ep]) + (Ecanopy[ii] * rainarea[ii]);
} /* end for daysiy */
Qtotal *= dTOs;
Qgrandtotal[ep] += Qtotal;
if (outletmodelflag == 1 && setstartmeanQandQs > 0)
for (p = 0; p < maxnoutlet; p++)
for (y = eventcounter - eventsperyear; y < eventcounter + 1; y++)
{
Qtotaloutlet[p][y] *= dTOs;
Qgrandtotaloutlet[ep][p][y] += Qtotaloutlet[p][y];
Qtotaloutletannual[p] += Qtotaloutlet[p][y];
}
MEtotal +=
Enivalannual * totalarea[ep] + Eiceannual * glacierarea + Ewetannual;
/*-----------------------------------------------------
* Sum the carryover from/to the previous/next years
*-----------------------------------------------------*/
for (ii = 0; ii < maxday - daysiy; ii++)
MQprevious +=
(Qrainwrap[ii] + Qicewrap[ii] + Qnivalwrap[ii] + Qsswrap[ii]) * dTOs;
for (ii = daysiy; ii < maxday; ii++)
MQnext += (Qrain[ii] + Qice[ii] + Qnival[ii] + Qss[ii]) * dTOs;
/*---------------------------
* Set the minimum Qsum[i]
* This is done after the
* precipitation balance!!
*---------------------------*/
/* for (ii = 0; ii < daysiy; ii++)
if (Qsumtot[ii] < 0.1)
Qsumtot[ii] = 0.1;
//This is a very bad fix, Qsumtot should be able to produce 0m3/s flow. Zero water discharge might cause some errors in the sediment routine, which are now fixed as well.
*/
/*-----------------------------------------------
* Check the precipitation input balance (m^3)
*-----------------------------------------------
* MPglacial = Mass of precip as glacial/year
* MPnival = Mass of precip as nival/year
* MPrain = Mass of precip as rain/year
*-----------------------------------------------*/
if (setstartmeanQandQs == 0)
{
Moutput = MPnival + MPglacial + MPrain;
Minput = (Pannual) * totalarea[ep];
mtotal = (Moutput - Minput) / Moutput;
if (fabs (mtotal) > masscheck)
{
fprintf (stderr, "ERROR: in HydroSumFlow.c: \n");
fprintf (stderr,
" Precipitation Balance Error: fabs(mtotal) > masscheck \n");
fprintf (stderr, " note: masscheck set in HydroParams.h \n");
fprintf (stderr, " masscheck = %e \n", masscheck);
fprintf (stderr, " mtotal = %e (%%) \n", mtotal);
fprintf (stderr, " Minput = %e (m^3/a) \n", Minput);
fprintf (stderr, " Moutput = %e (m^3/a) \n", Moutput);
fprintf (stderr, " out-in = %e (m^3/a) \n\n", Moutput - Minput);
fprintf (stderr, " Year = %d \n", yr);
fprintf (stderr, " Epoch = %d \n\n", ep + 1);
fprintf (stderr, " Minput = (Pannual)*totalarea \n");
fprintf (stderr, " \t Minput \t = \t %e (m^3) \n", Minput);
fprintf (stderr, " \t Pannual \t = \t %e (m^3) \n",
Pannual * totalarea[ep]);
fprintf (stderr, " \t Pannual \t = \t %e (m) \n", Pannual);
fprintf (stderr, " \t Pbaseflow \t = \t %e (m) \n\n",
baseflowtot[ep] * totalarea[ep]);
fprintf (stderr, " Moutput = MPnival + MPglacial + MPrain \n");
fprintf (stderr, " \t Moutput \t = \t %e (m^3) \n", Moutput);
fprintf (stderr, " \t MPnival \t = \t %e (m^3) \n", MPnival);
fprintf (stderr, " \t MPglacial \t = \t %e (m^3) \n", MPglacial);
fprintf (stderr, " \t MPrain \t = \t %e (m^3) \n\n", MPrain);
// err = 1;
}
/*--------------------------------
* Check the mass balance (m^3)
*-----------------------------------------------
* Msnowstart = Snow in basin at start of year
* Msnowend = Snow in basin at end of year
*-----------------------------------------------*/
Minput =
Pannual * totalarea[ep] + gwlast + Gmass + Msnowstart + MQprevious;
Moutput = MEtotal + Qtotal + gwstore[daysiy - 1] + Msnowend + MQnext;
mtotal = (Minput - Moutput) / Moutput;
if (fabs (mtotal) > masscheck)
{
fprintf (stderr, "ERROR: in HydroSumFlow.c: \n");
fprintf (stderr,
" Mass Balance Error: fabs(mtotal) > masscheck \n");
fprintf (stderr, " note: masscheck set in HydroParams.h \n");
fprintf (stderr, " masscheck = %e \n", masscheck);
fprintf (stderr, " mtotal = %e (%%) \n", mtotal);
fprintf (stderr, " Minput = %e (m^3/a) \n", Minput);
fprintf (stderr, " Moutput = %e (m^3/a) \n", Moutput);
fprintf (stderr, " out-in = %e (m^3/a) \n\n", Moutput - Minput);
fprintf (stderr, " Year = %d \n", yr);
fprintf (stderr, " Epoch = %d \n", ep + 1);
fprintf (stderr, " counterQandQs = %d \n\n", setstartmeanQandQs);
fprintf (stderr,
" Minput = Pannual + gwlast + previousice + previousnival + MQprevious \n");
fprintf (stderr, " \t Minput \t = \t\t\t %e (m^3) \n", Minput);
fprintf (stderr, " \t Pannual \t = %e (m) \t %e (m^3)\n", Pannual,
Pannual * totalarea[ep]);
fprintf (stderr, " \t gwlast \t = \t\t\t %e (m^3) \n", gwlast);
fprintf (stderr, " \t Gmass \t\t = \t\t\t %e (m^3) \n", Gmass);
fprintf (stderr, " \t Msnowstart \t = \t\t\t %e (m^3) \n",
Msnowstart);
fprintf (stderr, " \t MQprevious \t = \t\t\t %e (m^3) \n\n",
MQprevious);
fprintf (stderr, " \t 0.8*MPglacial = %e\n\n", 0.8 * MPglacial);
fprintf (stderr,
" Moutput = MEtotal + Qtotal + gwstore + nextice + nextnival + MQnext \n");
fprintf (stderr, " \t Moutput \t = \t %e (m^3) \n", Moutput);
fprintf (stderr, " \t MEtotal \t = \t %e (m^3)\n", MEtotal);
fprintf (stderr, " \t Qtotal \t = \t %e (m^3) \n", Qtotal);
fprintf (stderr, " \t gwstore[daysiy-1] = \t %e (m^3) \n",
gwstore[daysiy - 1]);
fprintf (stderr, " \t Msnowend \t = \t %e (m^3) \n", Msnowend);
fprintf (stderr, " \t MQnext \t = \t %e (m^3) \n", MQnext);
err = 1;
}
}
return (err);
} /* end of HydroSumFlow.c */