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SURVEYPURPOSE:Whatcanweachievefromintegratingdistributedsoildataintoourhydrologicalmodelsandby
modellinglateralflow?
InNewZealand,hydrologicalmodelsdonotyettakefullyadvantageoftheavailabledistributedsoildata.The
objectiveofthissurveyistoestablishtheadvantagesofdevelopingahydrologicalmodellingplatformwhichcanbetter
takeadvantageofdistributedsoildataandwhichcanmodellateralflow.
Theproposedplatformwillenableuserstoeasilyplugandplaytheirmodelofinterest(e.g.nitrateleaching)andtake
advantageoftheoutputofthehydrologicalmodellingplatformatthescaleandtimestepofinterest.
TheresultsofthissurveywillbemadepublicontheLandcareResearchwebsiteandwehopethatitwillfosterfuture
collaborationwithinLandcareResearchandotherresearchers.
PleasecontactJosephPollacco(pollaccoj@landcareresearch.co.nz)ifyouhavequestionsorconcerns.
WHOSHOULDCOMPLETETHISSURVEY?
Anyresearcherwhousesordevelopsmodelsthatrequireorcomputehydrologicalcomponents.
1.What can we achieve from integrating distributed soil data into our
hydrolo...
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Integrating soil data into hydrological modelsIntegrating soil data into hydrological modelsIntegrating soil data into hydrological modelsIntegrating soil data into hydrological models
1. To enable us to contact you to better understand your needs, and to keep you
informed about this survey and its results,
please complete the following:
Your name?
2. Your email address?
3. Your institute?
4.
How experienced are you in coding / developing models?
2.About you
*
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IfOTHER,pleasespecify
No
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Limited experience
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Experienced
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5. Scale of interest?
6. Topography of your landscape?
7. Spatially output of your model?
8.
Do you currently take into account lateral flow?
9. Model time step?
3.About your modelling
Currentlyofinterest
Ofpossiblefutureinterest
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Plotscale(0.5ha)
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Paddockscale(0.5
5ha)
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Farm/subcatchmentscale
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Catchmentscale
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Regionaltonationalscale
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Noslope
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Gentleslope(<15degrees)
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Steepslope(>15degrees)
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Do not think it is important for my research
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Believe it is important but have not yet taken it into account
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Taken it into account statistically such as by using curve numbers
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Taken it into account by using Green
Amp model
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Taken it into account fully by computing flowpaths from a digital elevation model
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Hourly (or less)
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Daily
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Monthly
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Seasonally
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Yearly
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Many years
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10. Hydrological output of interest?
11. Do you require hydrological modelling to computes outputs such as:
4.Outputs of interest
Currentlyofinterest
Ofpossiblefutureinterest
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Currentlyofinterest
Ofpossiblefutureinterest
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Otherhydrologicaloutputs?
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Otheroutputsofinterest?
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12. Which soil database do you currently use?
13. What soil parameters would you like to be able to derive from soil database?
14. How do you perform spatial scaling of the soil parameters?
5.Hydrological input of interest
Donotusesoildatabase
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Collectdatain
house
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Fundamentalsoillayers(FSL)
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Publishedsoilreports
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Nationalsoildatabase
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S
map
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Others
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Other(pleasespecify)
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Donotrequire
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Availablewaterholdingcapacity(AWC)
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Curvenumber
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Curve:soilwaterrelease(characteristic)
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Curve:unsaturatedhydraulicconductivitycurve
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Fieldcapacity(FC)
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Infiltrationrate
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Macroporosity
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Saturatedhydraulicconductivity
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Saturatedsoilmoisture
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Wiltingpoint
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Otherparameters:
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Modeldoesnotrequirescalingofthesoilparameters
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WouldpreferthatLandcareResearchprovidesasuiteofPOLYGONspatialscalingoptions
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WouldpreferthatLandcareResearchprovidesasuiteofRASTERspatialscalingoptions
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Performthespatialscalingofthesoilparametersin
house,pleasespecifybelow:
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Whatsoilparametersdoyouneedtoscale:
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15. Which models do you use or will probably use in the future?
6.Models
Currentlyusing
Mayuseinthefuture
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16. Do you believe that the accuracy of your model outputs will be increased, if you had
a more accurate spatially distributed generated time series hydrological data set at the
scale of interest where you can simply plug and play with your model?
17. Do you know of an open source hydrological modelling platform that you highly
recommend, such as PCRaster http://pcraster.geo.uu.nl/pcraster
4
0
0/
18. To couple/integrate different models, which of the following software do you
strongly recommend?
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Doyouuseanyothermodels?
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Don'tknow
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ThemodelIamusingisaccurateenoughandIdonotneedanothermodel
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Yes,thiswillbehighlybeneficial
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Don'tknow
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LUMASS
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OMS3
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OpenMI
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Other
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IfOTHER,pleasespecify
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19. Would you be interested in having a powerful calibration tool to:
(1) optimize your parameters,
(2) have the uncertainties in the predictions,
(3) determine the key parameters
which may vary during time (e.g. dry or wet period)?
20. If you perform optimisation or sensitivity analyses, which open
source optimisation
tools do you use?
21. For the long term, would you be interested in participating in developing a
hydrological platform which better takes advantage of distributed soil information and
computes lateral flow?
22. Have you got any general comments?
Manythanksforyourtimeandparticipation,wewillsendyoutheresultsofthesurveyshortly
7.Global uncertainty analysis and global optimisation; platform development
Currentlyusing
Mayuseinthefuture
Bayesian
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Frequentistapproach
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Globalsensitivityanalysis
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MarkovChainMonteCarlo
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Maximumlikelihood
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Multiobjectivecalibration
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PEST
http://www.pesthomepage.org/
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Singleobjectivecalibration
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Don'tknow
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Notimportant
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Important
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Couldyourecommendaparticularlypowerfultoolbox?
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No
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Yes
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IfYES,howwouldyouliketocontribute?
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