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

3. Conceptual Framework Clear Creek Digital Observatory

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

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

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

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. On-going work: Assimilation of 3-D ADCP stream data in the geodatabase Clear Creek Digital Observatory (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. On-going work: ArcIMS: extraction of geospatial and attribute information from the geodatabase & interfacing data with users via the internet Clear Creek Digital Observatory

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