Original paper

Temperature patterns in small streams following wildfire

Royer, Todd V.; Minshall, G. Wayne

Archiv für Hydrobiologie Volume 140 Number 2 (1997), p. 237 - 242

10 references

published: Sep 25, 1997

DOI: 10.1127/archiv-hydrobiol/140/1997/237

BibTeX file

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We examined the influence of a moderately severe wildfire on the thermal patterns in three small streams in central Idaho, USA, for an 11-month period beginning ten months after the fire. Two streams in unburned catchments served as reference sites. No differences were observed between the burned and reference streams in daily minimum temperatures or in the general thermal conditions during winter. During late summer and early autumn, when solar radiation was greatest, the burned streams displayed warmer temperatures than did the reference streams. During nonwinter months, the burned streams experienced diel ranges in water temperature 2-3 X greater than those of the reference streams. Despite these differences, the number of degree-days accumulated among the streams was similar. In general, the wildfire altered the thermal stability of the burned streams, relative to the reference streams. Return to a pre-fire condition is expected to occur as riparian vegetation (shading) recovers along the burned streams.


IdahowildfireUSAtemperature patterns