Hydrological Impact of Beavers in the Milwaukee River Watershed

This research develops a modeling framework to assess the potential impacts of beaver constructed dams on the hydrological processes in the Milwaukee River watershed. The modeling framework includes a Geographic Information System (GIS)-based model to assess the potentials of beaver re-establishments in the watershed, and a hydrological model to evaluate impacts of beaver dams on the hydrograph as well as surface and groundwater storage.

After the model has been completed, Milwaukee Riverkeeper will conduct field study visits sites identified as having the best estimated metrics for potential flood mitigation. Based on those field visits, Milwaukee Riverkeeper will create a summary report with a habitat overview.

Fieldwork and GIS models will be employed to collect beaver dam sites, and examine the impacts of beaver dams on the hydrology of Milwaukee River Watershed.

Corral Trapping of Charged Microbeads and Nanobeads

Corral trapping is a method conceived in our research group that allows confining microscopic particles and biomolecules (e.g. DNA) in their native solution environment through the use of electric fields generated by applying a voltage to a patterned electrode surface (consisting of metal-free circular areas, the corral traps). Potential applications of this technology range from fundamental research (e.g. fluorescence correlation spectroscopy, single molecule spectroscopy) to medical research (DNA sequencing, biomolecule tracking) and chemical analysis and separations. Methods used in this research encompass high-resolution optical microscopy, super-resolution localization imaging, the fabrication of microfluidic devices using photolithographic methods, thermal evaporation of thin metal films, and advanced image analysis algorithms programmed in MATLAB.

Prosody of Tokyo Japanese Revisited: “Boundary Fall” in the Sentence-Level Pitch Contour

Project Objectives: The objective of the research is to detect acoustic and/or perceptual evidences of what is called kyokai-kako ("boundary fall"), a hypothetical phonological phenomenon the student defined and formulated by deduction from the past observations and formularizations of Tokyo Japanese, of which the most important is the one made by Nozomi Kodama, published in 2008 in the paper "Tone Contours in Japanese Prosodic Structures."

Collecting recordings and testing the speakers’ perceptions would be done in a sequential manner: We would record a participant’s utterances to be analyzed, and test the other participants’ perceptions on the recorded utterances, in such a way that both of the following can be tested:
a) Whether and how the hypothetical phonological event in question differentiates the pitch contour of the utterance and;
b) Regardless of whether we find any characteristics in the pitch contour, if the phenomenon in question is detected by the native speaker in any way.

We estimate that we need around 150 test sentences to be prepared, each carefully composed, and we need at least three, preferably six or more, native speakers of Tokyo Japanese as participants. Analysis on the sound data would be made using software environments such as Praat.