The team are now back, and have some new results to share…
“We’d been there before, launching three identical balloons in March 2017,” writes team leader Dr Tony Phillips. “Putting all the data together (2017+2020) we find that radiation has increased +12% in the past 3 years:”
The graph shows radiation dose rate (uGy/hr) vs. altitude (feet) all the way from ground level to the stratosphere, writes Dr Phillips. Radiation appears to be increasing at nearly all altitudes–even in the range 25,000 ft to 40,000 ft where airplanes fly — polar flight crews and passengers are therefore absorbing ~12% more cosmic radiation than they did only a few years ago.
So, what’s causing the increase?
The answer, Solar Minimum.
At the moment, the sun is near the bottom of the 11-year solar cycle. During Solar Minimum, the sun’s magnetic field weakens, allowing extra cosmic rays from deep space to penetrate the solar system. These cosmic rays are hitting Earth’s atmosphere, creating a spray of secondary cosmic rays that shower toward the ground below — secondary cosmic rays are what we measure.
Radiation sensors onboard our helium balloons detect X-rays and gamma-rays in the energy range 10 keV to 20 MeV, similar to what you get from medical X-ray machines and airport security scanners.
We’ve been launching radiation sensors almost weekly for 5 years–mainly from California, the “home base” of spaceweather.com. Cosmic rays in the stratosphere have been increasing the entire time, a sign of deepening Solar Minimum.
The new data from Abisko, Sweden show the increase is not limited to the stratosphere — it is also happening at aviation altitudes with a 3-year increase of ~12% even below 40,000 ft.
Implications of Increasing Cosmic Rays
Far more crucially than flight crews and passengers receiving higher doses of radiation, Cosmic Rays hitting Earth’s atmosphere seed clouds (Svensmark et al), and cloud cover plays perhaps the most crucial role in our planet’s short-term climate change.
“Clouds are the Earth’s sunshade,” writes Dr Roy W. Spencer, “and if cloud cover changes for any reason, you have global warming — or global cooling.”
The upshot of this current solar minimum (24) –the sun’s deepest of the past 100+ years (NASA)– is a cooling of the planet, and with the coming solar cycle (25) forecast by NASA to be “the weakest of the past 200 years“ the skies are only forecast to darken further, and the cooling intensify:
Solar cycle 25 is expected to be a mere stop-off in the suns descent into its next full-blown GRAND solar minimum cycle (GSM):
And there’s a double-whammy…
MAGNETIC POLE SHIFT
Earth’s ever-accelerating Pole Shift/Magnetic Excursion is further amplifying the Cosmic Ray situation.
We have two lines of defense against CRs — our magnetic field and our atmosphere.
Earth’s magnetosphere is waning at an increasing rate as north and south magnetic poles continue their wander, with some predictions putting a meeting point over Indonesia within the next few years.
Previous magnetic excursions and reversals have led to an uptick in volcanic and seismic activity, solar outbursts, and the onset of ice ages. Contrary to popular belief, ice age conditions can begin incredibly quickly — at the end of the Eemian, for example, the climate descended from a period of warmth such as today’s into full-blown glacial severity in less than twenty years (Robert Felix).
These two independent factors occurring simultaneously —Grand Solar Minimum and Pole Shift— are throwing us something of a curve-ball. Each factor results in a dramatic waning of earth’s magnetosphere, the upshot of which is more Cosmic Rays entering our atmosphere nucleating clouds, sending volcanoes a’poppin’, and mutating biology across the planet.
Modern civilization is entering unprecedented times.
Prepare accordingly — learn the facts, relocate if need be, and grow your own.
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Grand Solar Minimum + Pole Shift