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snippet: Data was updated on 03/09/2026 from local geodatabase
summary: Data was updated on 03/09/2026 from local geodatabase
extent: [[143.37724422,-35.3886129329999],[151.591994447,-28.549704]]
accessInformation: NSW Department of Climate Change, Energy, the Environment and Water
thumbnail: thumbnail/thumbnail.png
maxScale: 1.7976931348623157E308
typeKeywords: ["ArcGIS","ArcGIS Server","Data","Map Service","Service"]
description: <div style='&apos;text-align:Left;&apos;'><div><div><p><span>A without development model scenario is created by starting with a current conditions model scenario and switching off as much development in the model as possible. Typically this means removing all water users such as irrigation and towns along with infrastructure such as dams and weirs.</span></p><p><span>A without development scenario is useful in understanding the extent to which human uses of the river have altered flows.</span></p><p><span>This type of model scenario is sometimes known and a "natural case&#34; but this terminology has fallen out of favour over time as a true natural condition scenario would attempt to reflect catchment conditions such as land use, vegetation cover and so on that existed prior to human interventions.</span></p><p><span>For information about this feature class please see </span><a href='&amp;apos' target='&apos;_blank&apos;' style='&apos;text-decoration:underline;&apos;'><span>WATER MODELLING-ModelledData-without development page </span></a><span>in SEED website. </span></p></div></div></div>
licenseInfo: <div style='&apos;text-align:Left;&apos;'><div><div><p style='&apos;margin:0'><span>Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International</span></p></div></div></div>
catalogPath:
title: Water_Modelling_Modelled_Data_Without_Development
type: Map Service
url:
tags: ["DCCEEW Water","DCCEEW Water Analytics","Modelling","Surface Water","Without Development","Water Modelling","Modelled Data","seed-layer-catalogue"]
culture: en-US
portalUrl:
name: Water Modelling Modelled Data Without Development
guid: A1EB46BE-3ED0-4F2F-8BC8-2B418202FEA2
minScale: 0
spatialReference: GCS_GDA_1994