Using Arc Hydro in Florida

Transcription

1 Using Arc Hydro in Florida Alan Foley, P.E. September 8, 2008 Introductions Project drivers What is Arc Hydro? Arc Hydro in Florida The beginnings Overview Innovations and evolution Considerations What s next? Note: some content in this presentation was obtained from SFWMD, SWFWMD, SJRWMD, ESRI, Dr. David Maidment, and other webbased unknowns. 1

2 Introductions Alan Foley Jones Edmunds Medium Sized Consulting Firm Work throughout Florida (offices in Gainesville, Jacksonville, Tampa, Titusville) Work primarily for public agencies (Counties, Cities, WMDs,..) Class introductions/interests Waters Resources Projects Study typical precursor to design Watershed Assessments Hydrology & hydraulics Water quality Water Supply Determine feasibility Design Site stormwater ponds Regional mitigation areas, simultaneous fixes 2

3 Project Drivers and Funding - Regulations (Need) - Clean Water Act - TMDL S - State Stormwater Regulations - Grants (Means) - Federal (e.g. EPA) - State (e.g. WMD s, DEP, DOT) - Stormwater utilities - Local assessment - May fund studies that identify and fund retrofits Regulatory Framework USEPA 1972 Clean Water Act Clean Water Act 1972 Consent Decree 1999 Develop TMDLs Watershed Rest. Act 1999 List Impaired Waters FDEP BMAPs (FDEP Implementation of TMDLs) Watershed Restoration Act 1972 Watershed Restoration Act Revisions in 2005 Water Management Districts (CUPs) NDPES PERMITS City MS4 Main Street WRF Kelly Power Plant 3

4 Florida TMDLs FDEP Establishes criteria for creating TMDLs through the 2002 Impaired Waters Rule. Participants & Work Environment Academic Research, Teaching, Extension Public City, County, State, Federal Private Consulting Industry Non-profit 4

5 What is Arc Hydro? SimpleJunctionFeature ComplexEdgeFeature 1 HydroJunction DrainageFeature DrainID HydroID HydroCode NextDownID LengthDown Drai narea FType Enabled AncillaryRole DrainagePoint DrainageArea AreaSqKm JunctionID JunctionID NextDownID DrainageLine EdgeType Catchment Watershed Basin Drainage 1 Network Flow Time Hydrography Channel Time Series 5

6 Why Arc Hydro? Manage and maintain data quickly, efficiently & accurately Automate tedious & time consuming tasks Cut costs Visualize hydrologic features Communicate data and concepts What do you need for Arc Hydro? What is GIS? - An integration of five (or three) basic components What kind? Procedures 6

7 What do you need for Arc Hydro? Data types Vector Raster (Terrain) Tabular Data sources Agencies Specific studies Florida Geographic Data Library Arc Hydro beginnings GIS & Surface Water Modeling Small groups of individuals trying to make life easier Project-specific data Projects up to a year in duration Model-driven Roots outside of Florida 7

8 The Unique Florida Arc Hydro Experience Florida is just different Arc Hydro drivers Hydrologic conditions Water law Water management State law (purchasing) Florida Terrain Low-relief High groundwater Non-dendritic or Deranged 8

9 SWFWMD Terrain & Connectivity Tools Developed to characterize Florida terrain For distributed use Ongoing maintenance SWFWMD Vision for Distributed Data Maintenance 9

10 Arc Hydro Glue Unique ID HydroID Relationships imbed the unique ID in feature classes HydroID Management: Distributed Geodatabases Geodataset exchange SWFWMD GWIS Check Out Check In Projectlevel GDB Unique HydroID s maintained in Central GDB Avoid duplicate ID s Maintain relationships Unique HydroID s also assigned in project-level GDB s Translate HydroID s from project-level to central GDB 10

11 Parallel Data Uses Example: Multiple Uses for Drainage Infrastructure Data Operations & Maintenance: Location Condition Preventative maintenance Capital Improvement Planning Engineering: Modeling Stormwater Master Planning Capital Improvement Planning Enterprise Asset Management Work Order Management Integrating with Asset Management Sarasota County Maximo Integration Data replication Feeds model maintenance 11

12 Common Data Different Scales Managing stormwater data Infrastructure Hydrologic & Hydraulic Modeling Infinite data life Scale: Space-Time Time Structure Region Watershed Neighborhood Features of interest may vary over space and time scales Example: flow Cubic feet per second Million gallons per year Space 12

13 Mapping Scale North American 1:1,000,000 scale and Global 1:500,000 scale United States 1:100,000 scale River Basin 1:24,000 scale Watershed 1:1200 scale River reach Point scale Structure Different Types of Water Data Water quantity and quality Soil water Rainfall & Snow Remote sensing Meteorology Modeling 13

14 Water Data & Data Uses How can hydrologists integrate observed and modeled data from various sources into a single description of the environment? Arc Hydro Evolution Hydrologic Information System Hydrologic data Data manipulation tools Simulation models Watershed Modeling ArcHydro Geodatabase 14

15 Digital Watershed Hydrologic Observation Data (Relational database) Digital Watershed Geospatial Data (GIS) SFWMD AHED SWFWMD GWIS Weather and Climate Data (NetCDF) Remote Sensing Data (EOS-HDF) A digital watershed is a synthesis of hydrologic observation data, geospatial data, remote sensing data and weather and climate data into a connected database for a hydrologic region. Scale: Data-Users Number of Data transactions Web Enterprise Personal Number of users The more usable and available data becomes, the greater the number of users and transactions. IT considerations become significant. Interdisciplinary teams are required. 15

16 Scalable Multi-User Environment Applications GIS Functions Spatial Query Language Work Flow Long Transactions Transactions GIS Internet Services Dissemination Spatial Data Types Standard Data Models Arc Hydro at the SFWMD Hydroperiod Estimation Regional Simulation Model SFWMD Arc Hydro Enhanced Database Database of record for hydrologic feature locations within the SFWMD area of interest. Operations Decision Support System Flood Hydrology & Hydraulics 16

17 Arc Hydro at the SFWMD Central enterprise database Oracle ArcSDE Maintained by GIS and Web Development Division. Multi-year project: pilot, prototype, and production. Production using external resources accessing the SFWMD network. Enablers: Data Standards Feature Representation in GIS Point Classes: discreet x,y locations Drop Structures End Treatments Network Structures Line Classes: linear features having length Gravity Mains (pipes) Open Channels Polygon Classes: features having area & perimeter Stormwater Facilities Easements polygon line point 17

18 Enablers: Environments Planned for 4 SDE instances in 2 environments with a schema change control process Allows change over time Allows ongoing development Enablers: Work Flows 18

19 Enablers: Defined Roles & Responsibilities Subject Matter Experts Database Owner Database Editor Data Steward HydroID Management: Central Geodatabase Replicated Data Management Production Testing & development instances Unique HydroID s maintained in Central GDB Avoid duplicate ID s Maintain relationships No HydroID translation All users/editors on the same network 19

20 Other Project Examples Project data review Different GDB approaches Terrain and tool limits Below-ground infrastructure Obscured areas Time Series Data Storage Concepts The Data Cube a simple data model Time, T When D Where Space, L Variables, V What 20

21 Discrete Space-Time Data Model ArcHydro Time, TSDateTime Time series data requires significant storage space TSValue Space, FeatureID Variables, TSTypeID Time-Series Databases CUAHSI observation data model (ODM) Designed to optimize data retrieval for integrated analysis of information collected by multiple investigators SQL statements created and made available to facilitate analysis 21

22 What Has Worked So Far? Arc Hydro storage of Florida Data Schema modification Tool development Data development Data analysis Knowledge management With Arc Hydro Data Decision support Beginning community development What Hasn t Worked yet? Areas that could use more thought Distributed data development Scale reconciliation Arc Hydro community development Standards Data Programming Comprehensive education University On-going professional 22

23 What s Next? Groundwater Other pieces of the hydrologic cycle Web services Community Driven Growing user base Increasing knowledge Building consensus What s Next? Florida Arc Hydro Users Group FLAHUG Related to FL Arc Hydro Working Group FAHWG Focused on training and education Public, private, academic 23

24 Other Considerations Understand your data sources, processes, and products! Define your space and time scale of interest (including acceptable error) this will guide decisions on data, processing, and infrastructure needs. Questions Alan Foley, P.E