
Desmog Blog readers know how much cyber-ink we have spilled trying to save the Deep Space Climate Observatory (DSCOVR). Our work may finally be over.
The Omnibus Appropriations Bill 1105, just passed yesterday by the US Congress contains the following fateful statement on page 141:
"The bill provides $9,000,000 for NASA to refurbish and ensure flight and operational readiness of DSCOVR earth science instruments.”
WOW!
Details remain sketchy but it seems that the loony idea to strip the spacecraft of all Earth observing instruments has gone by the wayside.
More importantly, the passage of this bill means that DSCOVR may finally be on its way into space where it will return vital data about our warming world.
To recap, this fully completed $100 million climate observing spacecraft has so far sat in a box in Maryland for the last eight years. Dr Robert Park summed up the feeling of many in the scientific community when he described DSCOVR as “the most important thing we could be doing in space right now”.
Why? DSCOVR would gaze back towards Earth from the unique vantage of one million miles towards the sun – an entirely new way of doing space-based research.
While much remarkable science continues to be done from low Earth orbit, it is like trying to map an elephant using a microscope. Being so close to our planet means most satellites only see the Earth in thin strips, and vital numbers relating to climate change still do not add up.
After spending billions of dollars, researchers remain unable to close Earth’s outgoing radiation budget closer than 6 watts per square meter – that "noise" in the data is almost six times larger than the effect of climate change we are trying to see.
DSCOVR would instead see Earth from almost 1,000 times farther away with a continuous view of the entire sunlit side of our planet. This would provide DSCOVR much more accurate data on our planet’s changing albedo - a vital measurement to resolve the energy budget of our planet. DSCOVR would also better calibrate billions of dollars of space hardware now in low Earth orbit.
More importantly, DSCOVR would for the first time allow us to directly measure global warming - something that is routinely questioned by so-called "skeptics". One would think resovling such weighty issues would be a scientific priority but this mission has been mired in politics from day one.