Jim Constantz
United States Geological Survey
5 Papers
63 Citations
Jim Constantz is an academic researcher from United States Geological Survey. The author has contributed to research in topics: Streamflow & Subsurface flow. The author has an hindex of 5, co-authored 5 publications.
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Papers
Interaction between stream temperature, streamflow, and groundwater exchanges in alpine streams
TL;DR: In this paper, four alpine streams were monitored to continuously collect stream temperature and streamflow for periods ranging from a week to a year, and it was shown that evapotranspiration losses determined diurnal streamflow variations in the gaining reaches, while in the losing reaches, evapotspiration losses were compounded by diurnal variations in streambed infiltration.
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Stream bed temperature profiles as indicators of percolation characteristics beneath arroyos in the Middle Rio Grande Basin, USA
Jim Constantz,Carole L. Thomas +1 more
TL;DR: In this article, stream bed temperature profiles between depths of 30 and 300 cm were examined to determine whether temporal changes in temperature profiles represent accurate indicators of the timing, depth and duration of percolation in each stream bed.
63
Field study and simulation of diurnal temperature effects on infiltration and variably saturated flow beneath an ephemeral stream
TL;DR: In this article, the authors used a two-dimensional variably saturated flow model that includes heat transport to investigate flow beneath an ephemeral stream and to estimate streambed infiltration rates.
Influence of diurnal variations in stream temperature on streamflow loss and groundwater recharge
TL;DR: In this article, the authors demonstrate that for losing reaches with significant diurnal variations in stream temperature, the effect of stream temperature on streambed seepage is a major factor contributing to reduced afternoon streamflows.
Analysis of streambed temperatures in ephemeral channels to determine streamflow frequency and duration
TL;DR: In this article, a simulation model was utilized to examine various atmospheric and hydrological upper boundary conditions compared with a series of hypothetical temperature-monitoring depths within the streambed.