[Dhsvm-users] Dhsvm-users Digest, Vol 136, Issue 2

[Ed Salminen]

What is the size of the watershed? What is the time step that you are 
using in the model? How many climate stations are you using?

On 4/29/2023 7:34 AM, 2330152080 wrote:

>

> Thank you very much for your reply.

>

> I’m using station data for climate, so I think the meterological data 

> should be free of major erorrs.

>

> I modified soil parameters such as lateral conductivity and field 

> capacity according to your suggestions, and the accuracy of the model 

> was indeed improved. But the results of simulation still could not 

> capture the peak of runoff well.

>

> The observation runoff fluctuated a lot and had a large range of 

> changes, while the simulation runoff had fewer fluctuations and a 

> small range of changes.

>

> The simulation runoff fit well with the trend of precipitation data, 

> but not well with the observation runoff, especially in August.

>

>

>

>

> ------------------ Original ------------------

> *From:* "dhsvm-users" <dhsvm-users-request at mailman12.u.washington.edu>;

> *Date:* Thu, Apr 27, 2023 11:32 PM

> *To:* "dhsvm-users"<dhsvm-users at u.washington.edu>;

> *Subject:* Dhsvm-users Digest, Vol 136, Issue 2

>

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>    1. Re: The result of DHSVM model (Ed Salminen)

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>

> ----------------------------------------------------------------------

>

> Message: 1

> Date: Thu, 27 Apr 2023 08:32:49 -0700

> From: Ed Salminen <salminen at watershednet.com>

> To: dhsvm-users at u.washington.edu

> Subject: Re: [Dhsvm-users] The result of DHSVM model

> Message-ID: <387f06a6-4f1d-d08a-9383-be1925346010 at watershednet.com>

> Content-Type: text/plain; charset="utf-8"; Format="flowed"

>

> I have certainly seen much worse results than that! I would start with

> your climate forcings and soil parameter values. Are you using station

> data for climate?

>

> On 4/26/2023 3:59 AM, 2330152080 wrote:

> >

> > Hello:

> >

> > I am using the DHSVM model to simulate watershed runoff, but the

> > results are relatively poor now. I adjusted some parameters that are

> > acknowledged to be sensitive to the model results, but the results are

> > still poor.The results are shown in the figure below. The orange solid

> > line is the simulated value and the blue is the measured value.The

> > fluctuation of simulation results is small, which can not capture the

> > peak runoff well.

> >

> > I hope you can give me some advice. Thank you very much. If you need

> > more information, please let me know.

> >

> > Thank you very much for your time,

> >

> > Shutao Wang

> >

> >

> > _______________________________________________

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>

> -- 

> Ed Salminen, Hydrologist

> Watershed Professionals Network LLC

> PO Box 8 | Mount Hood Parkdale, OR 97041

> (541) 490-6644

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-- 
Ed Salminen, Hydrologist
Watershed Professionals Network LLC
PO Box 8 | Mount Hood Parkdale, OR 97041
(541) 490-6644
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