Hydrologic Modeling Using HEC-HMS (8/9) - Creating Control Specification and Simulation Run

[@yousraelhaylany1191]

Hello, please I don't know where I can find the control specification data, for the rainfall data I have present the maximum for each year. Is there any way to skip this step or any method to know what to add?

[@stefaniaavvedimento59]

Nice video! What about evapotransipration modeling? Beside rainfall data I also have temperature data, how can I simulate the effect of temperature on the basin?

[@hydrologyvideos8253]

Currently I do not have any video to demonstrate long term simulation in HEC-HMS. You can watch SWAT videos that involve using temperature data.

[@lijuanwang8335]

Hello, when I use HECHSM to run daily weather data using SCS method, I encounter problem "WARNING 15303: Aborted run "run1"" What should I do?

[@shahdbishawi8508]

Go to parameters , discretization , and choose structured. This will solve the problem

[@lijuanwang8335]

@@shahdbishawi8508 Thank you. It run successfully.

[@hydrologyvideos8253]

@@shahdbishawi8508 Thank you!

[@ercanozinc8523]

Hello. I am getting "Could not connect precipitation gage "" to data in the time-series manageé error all the time when I try to run the simulation. I could not find the source of the problem. Can you help me?

[@hydrologyvideos8253]

Most likely you missed a step somewhere. Go back and make sure you follow all steps correctly.

[@ercanozinc8523]

@@hydrologyvideos8253 Thank you

[@PADALACHANNEL]

Please tell, How to calculate routing - muskingum values k and x

[@hydrologyvideos8253]

you need find a good hydrology book and read on muskingum routing!

[@maiya_angel]

Hello please how to input time in control specifications? I have precipitation data in mm/day. For example I have rainfall data from 01 july 2019 to 31 july 2019 in mm per day . Every data is recorded at 9:00 am . How to input start time and end time with date from given time? Also there are zero rainfall in some days in between and 1 july too. Please please please do reply. I have very little time remaining for completing my thesis.

[@hydrologyvideos8253]

SCS method is not really meant for using daily data. If that is all you have, you can pick a time interval of 1 day when you create your rainfall gauge. your start time is 9:00 am on july 1, and end time will be 9 am on july 31. zero values are okay.

[@maiya_angel]

@@hydrologyvideos8253 In time series gauge I have put time interval of 1 day, but while running simulation run if I put 1 day in time interval with start day and end day same as in time series gauge with both start time and end time 9:00, and run the simulation, it shows error like : Invalid time window, and hence run is aborted. What to do please?

[@hydrologyvideos8253]

@@maiya_angel use smaller time step. try one hour

[@khadizatulkobranahin3877]

can I simulate one rainfall gauge with four different river discharge data? In my study area there are four rivers, If I want to consider all of them, will the calibration be possible? Thanks for your very nice learning process.

[@khadizatulkobranahin3877]

Also, if I'm considering one rainfall event, while the discharge for it is being computed, before the end of that discharge if another rainfall occurs, what should I do? Should I consider both events then?

[@khadizatulkobranahin3877]

I didn't get the part why we are keeping the time interval for discharge- 10 minutes. The discharge data seems to be hourly.

[@ahmetsargin3738]

thanks