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The Clear Creek Digital Observatory

The Clear Creek Digital Observatory, part of IIHR-Hydroscience & Engineering at the University of Iowa, focuses on enhancing cyberinfrastructure for water-related studies. This initiative assembles multidisciplinary experts under CyberEnviroNet, utilizing cutting-edge tools like ArcHydro-based data models and real-time automated data integrators. Recent projects include integrating real-time data for stream discharges, rainfall estimates, and water quality from various sources such as USGS and NOAA. Ongoing work explores advanced measurement techniques and data assimilation, enhancing understanding of watershed dynamics.

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The Clear Creek Digital Observatory

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  1. The Clear Creek Digital Observatory M. Muste, D. Kim, A. Kruger, D. Bennett, C. Just IIHR- Hydroscience & Engineering The University of Iowa, U.S.A.

  2. Clear Creek Digital Observatory 2004: Identification of on-campus expertise and infrastructure needed for implementation of cyberinfrastructure in water-related disciplines Assembling on-campus CI incubator: CyberEnviroNet = 25 multi-disciplinary scientists (www.iihr.uiowa.edu/cyberenvironet) Adapted from Abbott et al. (1986)

  3. Clear Creek Digital Observatory Conceptual Framework

  4. Recent Developments: Customized ArcHydro-based Data Model & database population with 3rd party available data Clear Creek Digital Observatory ArcHydro

  5. Clear Creek Digital Observatory Recent Developments:Real-time, automated data integrator for stream discharges Data source: USGS NWIS

  6. Clear Creek Digital Observatory Recent Developments:Real-time, automated data integrator for rainfall estimates & interfacing with SWAT Data source 1: NOAA Clear Creek Watershed Data source 2: Iowa Mesonet

  7. Clear Creek Digital Observatory Recent Developments:Real-time, automated data integrator for water quality Data source 2: Iowa STORET (32 stations)

  8. Clear Creek Digital Observatory On-going work (Papanicolaou, Schnoor et al.): In-situ measurements acquired with conventional and custom-built instruments • Wireless sensor network for moisture and water quality data (Nitrates) • Non-intrusive stream flow monitoring techniques (ADCP and LSPIV) • Sources of sediment & pathways (stable isotope tracers & radionucleids) • Rainfall (disdrometers, rain gages) • Bed load and suspended sediment (ISCO, sedimeters) • Permeability • Hydraulic conductivity (via in-situ instrumentation and lab-based CT) • Enrichment ratio • Phosphorus (particulate and dissolved)

  9. Clear Creek Digital Observatory On-going Work (NSF Test Bed project): Real-time, automated data integrators for in-situ measurements (moisture sensor network, water quality probes, rain gages)

  10. Clear Creek Digital Observatory On-going work: Assimilation of 3-D ADCP stream data in the geodatabase (using IIHR’s customized post-processing & uncertainty analysis software)

  11. Clear Creek Digital Observatory On-going work: Assimilation of 3-D ADCP stream data in the geodatabase

  12. Clear Creek Digital Observatory On-going work:ArcIMS: extraction of geospatial and attribute information from the geodatabase & interfacing data with users via the internet

  13. Clear Creek Digital Observatory Watch our progress on: dhn.iihr.uiowa.edu/website/CCDW

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