6 Questions
What is the trend observed in water temperatures of the Salmon River and its tributaries?
The water temperatures in the Salmon River and its tributaries have been warming over time.
Why is the Salmon River watershed considered an excellent location for tracking the effects of climate change?
The Salmon River watershed has relatively modest human influences.
What does Figure 1 show?
Figure 1 shows the trend in water temperatures for the Salmon River, South Fork Salmon upstream of Black Bear Creek, and Wooley Creek near the mouth from 1992 to 2020.
What is the significance of the solid line in Figure 1?
The solid line denotes a statistically significant trend in water temperature.
What is the rate of increase in water temperature for the Salmon River near the USGS gage?
The water temperature for the Salmon River near the USGS gage is increasing at a rate of $+0.33 \degree\text{C}$ per decade ($+0.60 \degree\text{F}$ per decade).
What does the asterisk (*) in the figure caption refer to?
The asterisk refers to the fact that the value for each year is the annual maximum temperature -- i.e., the highest instantaneous maximum temperature--during the summer.
Explore the indicators of climate change in California by examining the rising water temperatures in the Salmon River and its tributaries. Understand how warming air temperatures and reducing snowpack are impacting the region, with data shown from 1992 to 2020.
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