arc hydro groundwater - s3.amazonaws.com€¦ · arc hydro data model arc hydro framework surface...
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ARC HYDRO GROUNDWATER Data Model for Managing Hydrogeologic Data
Gil Strassberg – Aquaveo
Norm Jones – Aquaveo/BYU David Maidment – UT Austin
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Background
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What is Arc Hydro?
Data models (geodatabase designs): Best GIS practices in a specific field. Terminology, common language. Standard.
Tools – surface water, groundwater. Community – user community advances best practices.
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Arc Hydro Data Model
Arc Hydro Framework
Surface water components
Network
Groundwater components
Boreholes Drainage
Hydrography
Channel
Hydrostratigraphy
Geology
Simulation
Temporal
General model for representing water resources, including surface water components and groundwater components centered on a common framework
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Arc Hydro GW Data Model
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Framework
1
**
1
*
1
Well1
Aquifer
MonitoringPoint
WaterLine Watershed
TimeSeries
Waterbody
AquiferHydroIDHydroCodeNameHGUIDFType
WellHydroIDHydroCodeLandElevWellDepthAquiferIDAqCodeHGUIDFType
HydroIDHydroCodeNameJunctionIDFType
MonitoringPoint
TimeSeriesFeatureIDVarIDTsTimeUTCOffsetTsValue
VariableDefinition
VarIDVarNameVarDescVarUnits
SeriesCatalogFeatureIDFeatClassVarIDTsTableStartTimeEndTimeValueCount
WatershedHydroIDHydroCodeNameDrainIDJunctionIDNextDownIDAreaSqKmFType
WaterBodyHydroIDHydroCodeNameJunctionIDNextDownIDAreaSqKmFType
WaterLineHydroIDHydroCodeNameFlowDirNextDownIDLengthKmFType
WaterPoint
HydroIDHydroCodeNameJunctionIDFType
1 HydroIDHydroCodeNameJunctionIDFType
MonitoringPoint
WatershedHydroIDHydroCodeNameDrainIDJunctionIDNextDownIDAreaSqKmFType
WaterBodyHydroIDHydroCodeNameJunctionIDNextDownIDAreaSqKmFType
WaterLineHydroIDHydroCodeNameFlowDirNextDownIDLengthKmFType
WaterPoint
HydroIDHydroCodeNameJunctionIDFType
Surface water
1
**
TimeSeriesFeatureIDVarIDTsTimeUTCOffff sf etTsValue
VariableDefinition
VarIDVarNameVarDescVarUnits
SeriesCatalogFeatureIDFeatClassVarIDTsTableStartTimeEndTimeValueCount
Temporal
1
*
1
AquiferHydroIDHydroCodeNameHGUIDFType
WellHydroIDHydroCodeLandElevWellDepthAquiferIDAqCodeHGUIDFType
Groundwater
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An aquifer is defined by one or a set of polygon features. Aquifer features can be grouped by HGUID.
Aquifer features
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Wells are defined as a 2D point in the Well feature class. In the Arc Hydro model we only predefine a set of basic attributes.
Well Features
Point datasetWell
HydroIDHydroCodeLandElevWellDepthAquiferIDAqCodeHGUIDFType
Wells in the Edwards Aquifer
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Aquifers and Wells
Well HydroID = 53
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TimeSeries - Tabular structure for storing time series values indexed by time, location, and variable. FeatureID of the time series = HydroID of the spatial feature (e.g., Well).
Time Series Views
Well HydroID = 2791
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Create view of a variable over a space-time domain.
Time Series Views
January 1991
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Raster Series
Raster datasets indexed by time
Each raster represents a continuous surface describing a variable for a given time over an area of interest
ed by time
ariable for a givennterest
1991
1992
1993
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Arc Hydro GW Data Model
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3D data is referenced along wells. From depth (top) – To depth (bottom).
Wells and 3D data
From
To
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146
128
-60
41
-81
750
-140
-217
-372
-433
Georgetown Fm. (GTWN)
Cyclic + Marine member (CYMRN)
Upper confining unit
Leached + collapsed member (LCCLP)
Regional dense member (RGDNS)
Grainstone member (GRNSTN)
Kirschberg evaporite member (KSCH)
Dolomitic member (DOLO)
Lower confining unit, upper Glen Rose (UGLRS)
Combining the well geometry (x, y) and the vertical data stored in the BoreholeLog table we can describe a set of 3D geometries (x, y, z)
BoreholeLog table
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From the tabular data we create 3D features that can be viewed in ArcScene.
3D features (BorePoints and BoreLines)
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3D Borelines
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Arc Hydro GW Data Model
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GeoSections
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2D Cross Sections (XS2D)
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Outcrop
Salt water interface
Borehole data
Panel
Panel divider
Edit cross sections in ArcMap
2D Cross Section Editing
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Transform to 3D GeoSection
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GeoRasters
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GeoVolumes
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Simulation Feature Data Set
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Simulation Feature Data Set
Boundary
HydroID HydroCode Description OriginX OriginY Angle
1
Node 2 D
HydroID HydroCode IJ
Cell 2 D
HydroID HydroCode IJ
Cell 3 D
HydroID HydroCode IJK
Node 3 D
HydroID HydroCode IJK
1
1
1
1
1
*
CellIndex I J K IJ IJK
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Tools
Groundwater Analyst
Subsurface Analyst
MODFLOW Analyst
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Arc Hydro (surface water): Arc Hydro GIS for Water Resources (Maidment, 2002). http://support.esri.com/datamodels
Arc Hydro Groundwater: Arc Hydro Groundwater GIS for Hydrogeology (Strassberg et al., 2011) http://www.aquaveo.com/archydro-groundwater http://www.archydrogw.com
ArcGIS Resource Center:
http://resources.arcgis.com/archydro
Resources