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Meta
Monthly Archives: April 2020
Remagnetisation spoils the paleomagnetic party again
Did the Earth have a magnetic field before 3.5 billion years ago? Previous paleomagnetic studies of the world’s oldest mineral grains – the Jack Hills zircons, which have maximum ages of 4.4 billion years – claimed that tiny inclusions of … Continue reading
Zooming out: how climate and landscapes control streamflow generation
As you watched the videos about flow generation mechanisms, one of the things that you should have noticed is that climate and landscape characteristics influence the way water gets to streams. (And the way water gets to streams influences the … Continue reading
How flow generation controls stream hydrographs
The streamflow generation mechanisms working in the landscape control how quickly the stream responds to precipitation – and how quickly the stream responds to precipitation controls how high the peak flow gets. Continue reading
How does water that falls on land get to streams?
It’s a rainy day and you can see that the water level is rising in your local stream. That’s because of the rain falling on the stream channel and its tributaries, right? Wrong. In most watersheds, <1% of the land … Continue reading