In #8 we looked at the overview on floods. The IPCC report, AR6, says:
Flooded area is difficult to measure or quantify and, for this reason, many of the existing studies on changes in floods focus on streamflow. Thus, this section assesses changes in flow as a proxy for river floods, in addition to some types of flash floods.
As we saw in #7, extreme rainfall has increased in more places than it has decreased around the world. So we would expect rivers and waterways to reflect that and cause more flooding.
Here’s what the report says in plain English:
Peak streamflow has reduced overall – decreased in more places than it has increased. This is opposite to the trend in extreme rainfall.
The text is below in the notes.
This is good news.
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