HR: 0800h
AN: H21A-0178    [Abstracts]
TI: Is Spatial Proximity of Watersheds a Sufficient Guide to Hydrologic Similarity?
AU: * Sawicz, K A
EM: kas666@psu.edu
AF: Pennsylvania State University, 212 Sackett Bldg, University Park, PA 16802,
AU: Wagener, T
EM: thorsten@engr.psu.edu
AF: Pennsylvania State University, 212 Sackett Bldg, University Park, PA 16802,
AU: Sivapalan, M
EM: sivapala@uiuc.edu
AF: University of Illinois, Urbana-Champaign, 336 Davenport Hall, Urbana, IL 61801,
AU: Troch, P A
EM: patroch@hwr.arizona.edu
AF: University of Arizona, Hydrology and Water Resources 1133 E. James E. Rogers Way, Tucson, AZ 85721,
AB: A continuing challenge for hydrology is to advance our understanding of the relationship between watershed structure and watershed response characteristics. Here we are particularly interested in the following question: Under what conditions should we expect two watersheds to behave hydrologically similarly? One aspect that is unresolved in this context is the importance of spatial proximity with respect to hydrologic similarity of watersheds. Several studies have made conclusions about this issue, however, some of them concluded that spatial proximity is a guide to hydrologic similarity and others concluded that it is not. In our study we investigate the characteristics of landscape and climate, location and streamflow response behavior of over 400 US watersheds across spatial and temporal scales to investigate this question. We will present initial results about what controls the similarity of watershed behavior across scales, and the role of proximity in this context.
DE: 1847 Modeling
SC: Hydrology [H]
MN: 2007 Fall Meeting