User Guide for Source-Pathway-Receptor Modelling Tool for
Contents
1. 7 AN I LLL al p I I AAA R l 0 i SINS T Ie Ty I I i ma HET i I I J Sraa T I I I y i o I ES I Z _f J aam I JAIB l HE TAL I J a J ranma I il I at I t Ss 2 IH I H Gdida I t I PTT PT 4 a l H i ra l Figure 4 Impact Maps 7 Map Navigation Several map navigation features are provided e To zoom in on a map click the left mouse button to zoom out use the right button e To zoom to an area press and hold the left mouse button drag a rectangle and then release e To pan across the map select the Use pan check box Fig 4 Box I e To reset the map extent select the Zoom to Full extent sub menu under the Tools menu Fig 3 8 Editing Land Condition Maps The user can interactively edit the land condition maps and view the revised Impact Maps e Under the Tools menu select Zoom to full extent e If Impact Maps are displayed as in Fig 4 select Show condition from the Tools menu the display should be as in Fig 1 e Select Edit condition map from the Tools menu e Above the maps a set of radio buttons will appear labelled Edit Mode Active Fig 5 a SPR tool Prototype 2 Tools Help License E Show Patch Codes Eik Mode Aine E Use pan Poor Fair Good Figure 5 Edit mode controls H Source Pathway Receptor Modelling ERMIR flood risk management a research consortium Seo 0 FRMRC R2. management f research consortium Source Pathway Receptor Modelling AMR flood risks by FRMRC Research Report SWP3S 1 AMA flood risk management research consortium User Guide for Source Pathway Receptor Modelling Tool for Estimating Flood Impact of Upland Land Use and Management Change NT a Ea TUTEN x Ai eee See s faa oe F 7 F a z z X td FP E F We a pena E eae PSM GaN D EON aie 7S BEA RR EWENI entar E Sa z Dr Greg O Donnell Newcastle University Professor John Ewen Newcastle University Professor Enda O Connell Newcastle University March 2012 FRMRC Research Report SWP5 1 Project Website www floodrisk org uk Source Pathway Receptor Modelling AMR flood risk pik gem Pt research consortium WA FRMRC Research Report SWP3S 1 Document Details Document History Authors 2012 O Donnell University po mE nes Sta rev 2012 University external review internal review final version 6 March John Ewen Newcastle 2012 University Statement of Use This user guide and associated demonstration software tool is intended to be used by researchers and practitioners who are interested in a new method for quantifying and visualising impacts of land use management on flood flows and how these vary spatially over a catchment The software demonstrates the approach for a particular case study and is not suitable in its current form for ap
3. be accessed through the Help menu Fig 1 Box A Clicking on a sub menu item Fig 2 opens a PDF file that contains the relevant information This Guide document can be accessed by clicking the Guide sub menu Source Pathway Receptor Modelling FRM floo iT sk pis FRMRC Research Report SWP5 1 a SPR tool Prototype 2 Tools Help License Overview Shov Guide Use FAQ Hodder catchment E Ma Observed Hydrographs About Figure 2 Help menu 5 Land Condition Maps Pre change and post change maps of land condition are shown for the Hodder catchment in Fig 1 in Boxes B and C respectively Box D contains the key for the colour shading used to indicate land condition 6 Impact Maps To view the effect of the changes in land condition on the hydrograph peak at the catchment outfall at Hodder Place select the Show Impact sub menu under the Tools menu Fig 3 a SPR tool Prototype 2 Zoom to full extent Figure 3 Tools menu Impact maps are shown in Fig 4 By default the left hand map Box E1 is for the 5 exceedence E2 and the right hand map F1 is for the 95 exceedence F2 The exceedence reflects uncertainty in prediction 5 50 and 95 exceedence values can be selected Box E2 and F2 Contributions to the hydrograph peak decrease in areas shaded yellow green and increase in areas shaded red Box G The total impact on the hydrograph peak is shown for the maps in Box
4. obtained from the adjoint model have been integrated into the tool for three historical rainfall events Using the mouse the user can interactively adjust the land condition for each tile on the mosaic to the appropriate value poor fair or good to represent a programme of change in land use management The software then displays impact mosaic maps that show estimates for the impact these changes would have had on the peak flow rate for the three events Uncertainty is accounted for in that three separate impact mosaic maps can be displayed These show the impact Source Pathway Receptor Modelling FRM floo i ti sk P pie FRMRC Research Report SWP35 1 e exceeded in 5 50 and 95 of 100 sets of simulations run using the adjoint model in a simple Monte Carlo approach 2 Installation Prerequisites Microsoft NET Framework 4 must be installed on the computer which can be downloaded from http www microsoft com download en details aspx 1d 1785 1 A PDF viewer is required to access the online help system 3 Starting the Tool 1 Uncompress SPR tool Version2 zip 2 Double click on directory SPR tool Version 3 Double click on run SPR tool 2 bat Firstly a command prompt window will open and then after several seconds a window will appear as shown in Fig 1 p S SBR pal Pact i i Tools Help _ License y A ee i n i i Figure 1 Tool overview 4 Help System Documentation about the tool may
5. es E3 and F3 Impact maps can be generated for several historical storms Box H The observed hydrographs for these storm events are provided in the Help system under the Observed Hydrograph sub menu Source Pathway Receptor Modelling a9 SPR tool Prototype 2 o o T I Help License I n a l m lt i I n a m m m m m ee Exceed St E Show Patch Codes I 5 04 10 2008 5 l E Use pan i I E2 50 fj H gt 26 10 08 F2 50 1 SSS Sa J 5 18 11 09 l 95 i EE ar e a e fi m D Map Layers i 5 exceedance i 95 exceedance i l E E impact cu umecs perpa kh Total AAAA Total 14 682 cumecs Bim i W iso g d T l CJE I G E 40 105 g i I E 1 05t0 07 g I z I AGP I E 070 025 g I BERE I L A gt C 03500 gp I Pari I wo ae C 0t00 35 I l A I Dsl a I E o35t007 g I H I ae m o7to105 g l T T TEOT I EE ne E 1 05 to 1 4 I t E K I i l i n 1 p Se E 1 4 to 1 75 i I wa IT i Toe e F T T f e e m e m a i t Layer l i ag Ps r ae l P Fa Al t f i Prey i H PATH AE I i gt I if l
6. esearch Report SWP35 1 eS Maps 6a 6c below show the right hand side map the post change map during three stages of an edit To recreate these do the following e Click the Poor radio button from the Edit Mode Active menu e Drag a rectangle over the right hand side post change map and release Fig 6a e The rectangle will be shaded red indicating poor condition Fig 6b e As before revised Impact maps can be viewed by selecting Show impact from the Tools menu Fig 6c Figure 6 Editing post condition map e The maps comprise 500m grid cells Each cell is broken into one or more patches with each patch associated with a soil type and land use e To view patch information zoom to the portion of the map changed in Fig 6c e Select Show Patch Codes Fig 4 Box I e Enabling Show Patch Codes slows the screen refresh rate The patch codes Fig 7 comprise a letter indicating the land cover type and a number giving the soil HOST class The land cover types included are A agriculture C coniferous forest D deciduous forest G grassland R rough grazing P peat For example patch code G 24 indicates grassland with soil class 24 a slowly permeable seasonall
7. plication to other case studies Obtaining the Software The demonstration software tool and support can be obtained from Greg O Donnell Newcastle University G M ODonnell ncl ac uk Acknowledgements This research was performed as part of a multi disciplinary programme undertaken by the Flood Risk Management Research Consortium The Consortium is funded by the UK Engineering and Physical Sciences Research Council under grant GR S76304 01 with co funders including the Environment Agency Rivers Agency Northern Ireland and Office of Public Works Ireland Disclaimer This document reflects only the authors views and not those of the FRMRC Funders The information in this document is provided as is and no guarantee or warranty is given that the information is fit for any particular purpose The user thereof uses the information at its sole risk and neither the FRMRC Funders nor any FRMRC Partners is liable for any use that may be made of the information Copyright 2012 The content of this report remains the copyright of the FRMRC Partners unless specifically acknowledged in the text below or as ceded to the Funders under the FRMRC contract by the Partners il Source Pathway Receptor Modelling FRR flood tisk ik FRMRC Research Report SWP35 1 E Table of Contents E cn 06 U0 T 0 EE E T ee E A EE ee E E EA l 2 Tastaliion Pre Ge QUIS ILC S epep r E E E E E E 2 3 Starting the Tool 00 0 0 ceccceessssssseeseesessessese
8. rainage network to the catchment outlet or flood site Some information on causal links can be established by analysing the sensitivity of routed flows to perturbations in the magnitude of the parameters that represent the effect of land use management on the runoff from the mosaic tiles This is the user guide for a tool that demonstrates an outcome from work on a new efficient and informative approach to analysing the impact of changes in land use management This approach can be used with any distributed catchment rainfall runoff model provided the model can be differentiated using algorithmic differentiation Griewank 2000 Hasco t and Pascual 2004 to obtain an adjoint model that gives estimates for the sensitivity of the peak discharge to the model s parameters The tool uses results from a custom designed adjoint sem1 distributed rainfall runoff model of the River Hodder catchment northwest England in which the rainfall runoff routing flooding process is represented as a source pathway receptor system The adjoint model was developed by John Ewen and Greg O Donnell It uses tile runoff models and parameter sets provided by Nataliya Bulygina and Caroline Ballard Imperial College London Further information 1s provided in Ewen et al 2012 which can be obtained from G M ODonnell ncl ac uk The tool was developed by John Ewen in C using the DotSpatial open source GIS http dotspatial codeplex com 1 1 What the tool does Results
9. sseseseseseseeesesesseessseseseeseeeeseeeeeges 2 a ON A E E E EE EE T 2 5 BACCO O N a A E en 3 C E E E E ASO E E E N EE eee E O AT N 3 Fe E EAT sage Scat E E E ETE 4 8 Editing Land Condition Map3 cccccceeessessssssssssssessssssssssssssesssessseesseesseeeeeeees 4 DR T 1 OE can ne eed ee ee eee 6 il Source Pathway Receptor Modelling RMP flood ris F E FRMRC Research Report SWP5 1 1 Introduction There is a fundamental need to understand the causal link between land management in rural river catchments and the rate of inflow to flood sites downstream This understanding 1s needed when assessing the role played by land management practices in historical floods and when land management interventions are proposed for flood risk management Numerical modelling is the only practical tool for studying the causal links in detail This has known limitations the landscape is a mosaic comprising small tiles with different land use management practices and soils and there is no guaranteed or agreed way to create accurate models for the runoff from these tiles A further difficulty is that accuracy is needed in simulating the sensitivity of the runoff to changes in land management which is a poorly understood problem that has had little study If these limitations are to be overcome new methods for modelling will be needed In semi distributed modelling runoff from subcatchments or tiles can be routed through the channel d
10. y waterlogged soil Source Pathway Receptor Modelling FRI flood Pisk dl sail Pensort hs 95 exceedance LS ro TANEET cms Ee G 26 C24 G_24 C2 p G_24 G2 Figure 7 Patch codes The land condition of individual patches can also be changed e Select Show condition from the Tools menu e Choose a condition from the Edit Mode Active radiobar menu e Click on individual patch es Once complete the Impact maps can again be viewed by selecting Show impact from the tools menu 9 References Ewen J O Donnell G Bulygina N Ballard C and O Connell E 2012 Towards understanding links between rural land management and flooding downstream Quarterly Journal of the Royal Meteorological Society In review Griewank A 2000 Evaluating Derivatives Principles and Techniques of Algorithmic Differerentiation Society for Industrial and Applied Mathematics Philadelphia USA 369 pp Hasco t L Pascual V 2004 TAPENADE 2 1 User s Guide Report 0300 Institut National de Recherche en Informatique et en Automatique INRIA Sophia Antipolis France
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