Sediment-associated processes drive spatial variation in ecosystem respiration in the Yakima River basin
Matthew Kaufman,
Vanessa A. Garayburu-Caruso,
Brieanne Forbes
et al.
Abstract:Areas where groundwater and surface water mix (i.e., hyporheic zones, HZ) contribute substantially to stream ecosystem respiration (ERtot). We rely on reactive transport models to understand HZ respiration at large scales; however, model outputs have not been evaluated with field estimates of ERtot. Here we evaluate the degree to which spatial variation in model-predicted HZ respiration can explain spatial variation in field-estimated ERtot across 32 sites in the Yakima River basin (YRB). We find that predicte… Show more
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