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Iowa slides

This presentation explores a prototype site in the South Amana catchment of the Clear Creek watershed, Iowa, focusing on hydropedological investigations and training on a benchmark catena shaped by complex Pleistocene stratigraphy and intensive agriculture. It details in-situ data collection using IIHR's mobile sensor unit and various monitoring techniques. Emphasizing non-intrusive methodologies and laboratory analyses, key findings include insights on sediment sources, stream flow monitoring, and water quality parameters like nitrates and phosphorus.

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Iowa slides

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  1. Iowa slides Thanos N. Papanicolaou Professor IHR-Hydroscience and Engineering, The University of Iowa

  2. Prototype Site to Address Needs • South Amana catchment of Clear Creek watershed, IA • Hydropedological Investigations and Training on a Benchmark Catena Formed in Complex Pleistocene Stratigraphy and Having Intensive Agriculture

  3. IIHR’s mobile Sensor Unit In-situ data collected with conventional and custom-built instruments & laboratory analysis (selection): 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)

  4. WAKE REGION STOSS REGION Observations Plan view of a clast

  5. Coherent Structures For thin boundary layer, the structure of upstream separation is characterized by the horseshoe vortex system with multiple vortices

  6. RFID Figure 8. Wand antenna assembly Figure 9. Suspension antenna assembly

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