problem loading DEM into BASINS

Hi Joe, Thanks for responding. Yes, I am using the degree-day-method to simulate snow acculation and melt. I did input the elevation differences in ATEMP. My predominant land use is agriculture with only scattered patches of forest, which I have taken into account of with the fraction of forest cover in all the PERLNDs. From the BASINS calibration tutorials LSUR, SLSUR, NSUR, INFILT, INTFW, IRC and UZSN affect the peaks and shape of the hydrographs. I have also found that the shape of the hydrograph is very sensitive to AGWRC. I have been playing around these parameters as suggested in the BASINS Flow Calibration tutorial but I have not been able to move my peaks to coincide the period peaks actuall occur in the watershed. this why I am asking for help. I am also going to try the SNOW parametrs KMELT and SNOWCF as you suggested . Thanks again, G.A. Sillah Kargbo, PhD, P.Eng. Water Resources Engineer, Source Protection Planning Lake Simcoe Region Conservation Authority 120 Bayview Parway Newmarket, Ontario L3Y 3W3 Tel: (905) 967-0112 ext 309 Fax: (905) 967-1265 E-mail: s.kargbo@lsrca.on.ca

Are you using the degree-day approach for snow? If so, in my limited experience with HSPF the parameter KMELT can have a dramatic impact on results, so can the parameter SNOWCF (both in SNOW-PARM1). Also, depending on how large your watershed is, how many PERLNDS you have, and how many weather stations you have, snow and melt calcs can be affected by the lapse rate. Lapse rate calcs are based on the elevation difference between the PERLND and the weather station (in the ATEMP-DAT section of the UCI). If you have one large forested PERLND in a mountainous basin, the elevation difference is typically provided between the weather station and the average elevation of that PERLND (from the DEM). However, this average elevation will not accurately portray the spatial distribution of snow/rain across the watershed, in which case the model may be portraying rain when in fact it snowed...... Joe Ferrari Joseph Ferrari Faculty Research Assistant UMCES Appalachian Laboratory 301 Braddock Road Frostburg, MD 21532

Hi Ladies and Gentlemen, I am getting the following results from my HSPF calibration runs: 1. Calculated peak flows are ahead of the observed. The calculated peaks are occuring in Winter and the observed peaks between April and May; which is the snow melt period in the watershed. 2. As a result of the above my winter flow volume errors are far greater than for the summer flows. 3. Flow volume error for the simulation period is however less than 5%. 4. Very poor correlation coefficient; less than 0.1. What I have done: 1. increased UZSN in all land use categories except agriculture; to the maximum limit in BASINS Tec. Note #6; 2. recalculated slopes of subwatersheds; input lesser slopes; 3. increased the length of overland flow plains; 4. increased Manning's overland flow coefficient. After doing all the above the peaks of my computed hydrograph are still occuring in Winter. I wonder if anyone could suggest any futher actions that would help. Thanks in advance. G.A. Sillah Kargbo, PhD, P.Eng. Water Resources Engineer, Source Protection Planning Lake Simcoe Region Conservation Authority 120 Bayview Parway Newmarket, Ontario L3Y 3W3 Tel: (905) 967-0112 ext 309 Fax: (905) 967-1265 E-mail: s.kargbo@lsrca.on.ca ------------------------------------------ You are currently subscribed to the basinsinfo listserver. To unsubscribe, send the words unsubscribe basinsinfo to lyris@lists.epa.gov OR: Use the listserver's web interface at https://lists.epa.gov/cgi-bin/lyris.pl to manage your subscription. OR Contact the basinsinfo listserver owner at basinsinfo-Owner@lists.epa.gov ------------------------------------------

Joseph Ferrari Faculty Research Assistant UMCES Appalachian Laboratory 301 Braddock Road Frostburg, MD 21532 ------------------------------------------ You are currently subscribed to the basinsinfo listserver. To unsubscribe, send the words unsubscribe basinsinfo to lyris@lists.epa.gov OR: Use the listserver's web interface at https://lists.epa.gov/cgi-bin/lyris.pl to manage your subscription. OR Contact the basinsinfo listserver owner at basinsinfo-Owner@lists.epa.gov ------------------------------------------ ------------------------------------------ You are currently subscribed to the basinsinfo listserver. To unsubscribe, send the words unsubscribe basinsinfo to lyris@lists.epa.gov OR: Use the listserver's web interface at https://lists.epa.gov/cgi-bin/lyris.pl to manage your subscription. OR Contact the basinsinfo listserver owner at basinsinfo-Owner@lists.epa.gov ------------------------------------------

Kasey,

The way I have dealt with this in the past is to create a raster from a shapefile of the area that you are trying to create with the grid size you want. All the grid cells should be assigned either 0 or 1. You then use the raster calculator to either add or multiply the two grids together. You then have the DEM of only the section you want. This is a rather long process, but it is what I do.

Jessica Watts

----- Original Message ----
From: "kasey-hutchinson@uiowa.edu" <kasey-hutchinson@uiowa.edu>
To: Private list for BASINS users <basinsinfo@lists.epa.gov>
Sent: Monday, January 22, 2007 9:45:53 AM
Subject: [basinsinfo] Clipping DEM

I am trying to clip the HUC 8 watershed that I currently have set up
in BASINS to a HUC 10 located within it.  I have tried clipping the
DEM to the HUC 10, but this results in the DEM becoming very
pixelated.  Any suggestions?  Thanks so much in advance for your help!

Kasey Hutchinson

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------------------------------------------ --Boundary_(ID_3bDigLpDKn5YtvV3av0hDQ)-- ----------------------------------------------------------- X-Message-Number: 30 X-lyris-Id: 150550 Date: Mon, 22 Jan 2007 11:52:44 -0500 From: Carleton.Jim@epamail.epa.gov Subject: Re: Clipping DEM Kasey, I have an ArcView extension called "milagrid" on my machine (in the ext32 directory) that includes a polygon clipping function for raster data, which has worked well for me in doing grid clipping. Seems to me this was a freebie that I found online (at ESRI's web site?) a couple of years ago. kasey-hutchinson @uiowa.edu To 01/22/2007 10:45 Private list for BASINS users AM cc Please respond Subject to [basinsinfo] Clipping DEM Private list for BASINS users I am trying to clip the HUC 8 watershed that I currently have set up in BASINS to a HUC 10 located within it. I have tried clipping the DEM to the HUC 10, but this results in the DEM becoming very pixelated. Any suggestions? Thanks so much in advance for your help! Kasey Hutchinson ------------------------------------------ You are currently subscribed to the basinsinfo listserver. To unsubscribe, send the words unsubscribe basinsinfo to lyris@lists.epa.gov OR: Use the listserver's web interface at https://lists.epa.gov/cgi-bin/lyris.pl to manage your subscription. OR Contact the basinsinfo listserver owner at basinsinfo-Owner@lists.epa.gov ------------------------------------------ ----------------------------------------------------------- X-Message-Number: 31 X-lyris-Id: 150578 Date: Mon, 22 Jan 2007 10:06:01 -0700 From: "Jason T. Love" Subject: RE: Clipping DEM What is the output resolution of the clipped grid? This should be an argument for the geoprocessing option regardless of the GIS you are using. Make sure it is set as you expect, e.g., Same as Input. -----Original Message----- From: Carleton.Jim@epamail.epa.gov [mailto:Carleton.Jim@epamail.epa.gov] Sent: Monday, January 22, 2007 9:53 AM To: Private list for BASINS users Subject: Re: [basinsinfo] Clipping DEM Kasey, I have an ArcView extension called "milagrid" on my machine (in the ext32 directory) that includes a polygon clipping function for raster data, which has worked well for me in doing grid clipping. Seems to me this was a freebie that I found online (at ESRI's web site?) a couple of years ago. =20 kasey-hutchinson =20 @uiowa.edu =20 To=20 01/22/2007 10:45 Private list for BASINS users =20 AM =20 cc=20 =20 Please respond Subject=20 to [basinsinfo] Clipping DEM =20 Private list for =20 BASINS users =20 =20 =20 =20 I am trying to clip the HUC 8 watershed that I currently have set up in BASINS to a HUC 10 located within it. I have tried clipping the DEM to the HUC 10, but this results in the DEM becoming very pixelated. Any suggestions? Thanks so much in advance for your help! Kasey Hutchinson ------------------------------------------ You are currently subscribed to the basinsinfo listserver. To unsubscribe, send the words unsubscribe basinsinfo to lyris@lists.epa.gov OR: Use the listserver's web interface at https://lists.epa.gov/cgi-bin/lyris.pl to manage your subscription. OR Contact the basinsinfo listserver owner at basinsinfo-Owner@lists.epa.gov ------------------------------------------ ------------------------------------------ You are currently subscribed to the basinsinfo listserver.=20 To unsubscribe, send the words unsubscribe basinsinfo to lyris@lists.epa.gov OR: Use the listserver's web interface at https://lists.epa.gov/cgi-bin/lyris.pl to manage your=20 subscription. OR Contact the basinsinfo listserver owner at basinsinfo-Owner@lists.epa.gov ------------------------------------------ ----------------------------------------------------------- X-Message-Number: 32 X-lyris-Id: 150587 Date: Mon, 22 Jan 2007 10:14:01 -0800 From: Driss Ennaanay Subject: Re: Clipping DEM Hi There is an extension in the ESRI website called: Grid Analysis (free) that has so many utilities. Go to ESRI web site, type in the search bar: grid analysis, download it, save it in ext32 (extensions folder), open Arc View, under file, click on extensions, scroll down you will find it: Grid Analysis, make it active and it is ready to go. I tried it so many times and it works fine. Hope this helps. Driss Carleton.Jim@epamail.epa.gov wrote: > Kasey, > > I have an ArcView extension called "milagrid" on my machine (in the > ext32 directory) that includes a polygon clipping function for raster > data, which has worked well for me in doing grid clipping. Seems to me > this was a freebie that I found online (at ESRI's web site?) a couple of > years ago. > > > > > kasey-hutchinson > @uiowa.edu > To > 01/22/2007 10:45 Private list for BASINS users > AM > cc > > Please respond Subject > to [basinsinfo] Clipping DEM > Private list for > BASINS users > s.epa.gov> > > > > > > > I am trying to clip the HUC 8 watershed that I currently have set up > in BASINS to a HUC 10 located within it. I have tried clipping the > DEM to the HUC 10, but this results in the DEM becoming very > pixelated. Any suggestions? Thanks so much in advance for your help! > > Kasey Hutchinson > > > ------------------------------------------ > You are currently subscribed to the basinsinfo listserver. > > To unsubscribe, send the words unsubscribe basinsinfo to > lyris@lists.epa.gov > OR: > Use the listserver's web interface at > https://lists.epa.gov/cgi-bin/lyris.pl to manage your > subscription. > OR > Contact the basinsinfo listserver owner at > basinsinfo-Owner@lists.epa.gov > ------------------------------------------ > > > > ------------------------------------------ > You are currently subscribed to the basinsinfo listserver. > > To unsubscribe, send the words unsubscribe basinsinfo to lyris@lists.epa.gov > OR: > Use the listserver's web interface at https://lists.epa.gov/cgi-bin/lyris.pl to manage your > subscription. > OR > Contact the basinsinfo listserver owner at basinsinfo-Owner@lists.epa.gov > ------------------------------------------ > > > -- Driss Ennaanay, Ph.D. AQUA TERRA Consultants 2685 Marine Way, Suite 1314 Mountain View, CA 94043 Ph: (650) 962-1864 ----------------------------------------------------------- X-Message-Number: 33 X-lyris-Id: 150601 Date: Mon, 22 Jan 2007 18:35:08 -0500 From: "Sillah Kargbo" Subject: Automatic Watershed Delineation - BASINS4 Hellow BASINS users in transition: I completed the watershed delineation with tyhe automatic delineation = option. I have set my minimum accumulation area. In version 3 the program = will automatically generate outlets, which could be removed with outlet = erase button but I do not see this in version 4. So I do not know how to = aggregate all these smaller generated subcatchments, which I do not need. = I just want to have drainage boundries to the outlets I want to simulate. = Please let know how to do this. My regards, G.A. Sillah Kargbo, PhD, P.Eng. Water Resources Engineer, Source Protection Planning Lake Simcoe Region Conservation Authority 120 Bayview Parway Newmarket, Ontario L3Y 3W3 Tel: (905) 967-0112 ext 309 Fax: (905) 967-1265 E-mail: s.kargbo@lsrca.on.ca ----------------------------------------------------------- X-Message-Number: 34 X-lyris-Id: 150602 Date: Mon, 22 Jan 2007 18:54:48 -0700 From: "Daniel P. Ames" Subject: Re: Automatic Watershed Delineation - BASINS4 Hi all, In version 4 automatic watershed delineation (AWD) you use the "select outlets" function to select outlets you want to use (rather than delete the ones you don't want). However, in the version that you are using, selecting outlets makes new at those points, but it does not aggregate upstream watersheds. A new update to this function was just built, but hasn't been fully tested. This newer version of AWD will aggregate watersheds to the selected outlets. You are welcome to try it if you would like (with the disclaimer that this is just a test version). You can download the pertinent file here: http://svn.mapwindow.org/svnroot/MapWindow4Dev/Bin/Plugins/watershed_delin/mwTau demBasinsWrapper.dll and copy it to your BASINS\bin\plugins\watershed_delin folder (replace the existing one after making a backup copy of it). Thanks, Dan --------------------------------------------- Daniel P. Ames, PhD, PE Department of Geosciences Geospatial Software Lab Idaho State University Idaho Falls Campus http://www.isu.edu/geology/ http://www.MapWindow.org/ --------------------------------------------- Sillah Kargbo wrote: >Hellow BASINS users in transition: > >I completed the watershed delineation with tyhe automatic delineation option. I have set my minimum accumulation area. In version 3 the program will automatically generate outlets, which could be removed with outlet erase button but I do not see this in version 4. So I do not know how to aggregate all these smaller generated subcatchments, which I do not need. I just want to have drainage boundries to the outlets I want to simulate. Please let know how to do this. > >My regards, > > > >G.A. Sillah Kargbo, PhD, P.Eng. >Water Resources Engineer, Source Protection Planning >Lake Simcoe Region Conservation Authority >120 Bayview Parway >Newmarket, Ontario L3Y 3W3 >Tel: (905) 967-0112 ext 309 >Fax: (905) 967-1265 >E-mail: s.kargbo@lsrca.on.ca > >------------------------------------------ >You are currently subscribed to the basinsinfo listserver. > >To unsubscribe, send the words unsubscribe basinsinfo to lyris@lists.epa.gov >OR: >Use the listserver's web interface at https://lists.epa.gov/cgi-bin/lyris.pl to manage your >subscription. >OR >Contact the basinsinfo listserver owner at basinsinfo-Owner@lists.epa.gov >------------------------------------------ > > > ----------------------------------------------------------- X-Message-Number: 35 X-lyris-Id: 150660 Date: Tue, 23 Jan 2007 15:46:17 -0600 From: "Rahim, Mustafa" Subject: Running Main Stem for Hydrology This is a multi-part message in MIME format. ------_=_NextPart_001_01C73F37.E99DE123 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable I have been trying to run main stem after running different tributary watersheds with default values, after creating uci I tried to run I got the following error messg.=20 Anybody have any idea? ************************************************************************ ************ * * * ERROR/WARNING ID: 211 26 * * * * There are more operations in the opn sequence block than can fit into * * table OPNTAB. Thus, this operation will not be entered in the table. * * * ************************************************************************ ************ Thanks Mustafa Rahim =20 ------_=_NextPart_001_01C73F37.E99DE123 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I have = been trying=20 to run main stem after running different tributary watersheds with = default=20 values, after creating uci I tried to run I got the following error = messg.=20

Anybody have=20 any idea?

**********************************************************************= **************

* *

* ERROR/WARNING ID: 211 26 *

* *

* There are more operations in the opn sequence block than can fit = into *

* table OPNTAB. Thus, this operation will not be entered in the = table. *

* *

**********************************************************************= **************

Thanks

Mustafa Rahim

------_=_NextPart_001_01C73F37.E99DE123-- ----------------------------------------------------------- X-Message-Number: 36 X-lyris-Id: 150665 Date: Wed, 24 Jan 2007 09:12:01 +1030 From: "Mosley, Luke \(EPA\)" Subject: Problem with web data download in BASINS4 This is a multi-part message in MIME format. ------_=_NextPart_001_01C73F3F.B3B790F9 Content-Type: multipart/alternative; boundary="----_=_NextPart_002_01C73F3F.B3B790F9" ------_=_NextPart_002_01C73F3F.B3B790F9 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi =20 I am a new user to BASINS (using BASINS4 beta version) and unfortunately have not had the benefit of attending a workshop yet. I am trying to run the tutorial as a starting point. Once I select the region in the tutorial and click 'Build' I get the following error message. Can anyone help me solve or get around this problem. I am running Windows XP over a network so not sure it is some problem there. =20 =20 =20 Best wishes luke Luke Mosley Senior Environmental Advisor Environment Protection Authority=20 Murraylands Office=20 Suite 2, 85 Mt. Barker Road, Stirling, SA 5152 E-mail: luke.mosley@epa.sa.gov.au Phone: (08) 8139 9915 Fax: (08) 8139 9901 =20 The information in this e-mail may be confidential and/or legally privileged. Use or disclosure of the information to anyone other than the intended recipient is prohibited and maybe unlawful. If you have received this e-mail in error please advise by return e-mail or by telephoning +61 8 8139 9915 =20 ------_=_NextPart_002_01C73F3F.B3B790F9 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I am a new user to BASINS (using BASINS4 beta = version) and unfortunately have not had the benefit of attending a workshop yet. I am trying to run = the tutorial as a starting point. Once I select the region in the tutorial = and click ‘Build’ I get the following error message. Can anyone = help me solve or get around this problem. I am running Windows XP over a network = so not sure it is some problem there.

Best wishes

luke

Luke Mosley
Senior Environmental Advisor
Environment Protection Authority
Murraylands = Office
Suite 2, 85 Mt. Barker = Road, Stirling, SA 5152

E-mail: luke.mosley@epa.sa.gov.au
Phone: (08) = 8139 9915
Fax: (08) 8139 = 9901

The information in this e-mail may be confidential and/or legally privileged. Use or disclosure of the = information to anyone other than the intended recipient is prohibited and maybe = unlawful. If you have received this e-mail in error please advise by return e-mail or = by telephoning +61 8 8139 9915

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