hockey stick graph, definition of

The principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to demonstrate the truth or falseness of the hypothesis, and a conclusion that validates or modifies the hypothesis.

• Paper finds the world was cooling for most of the last 2,000 years and started warming long before Big Coal arrived
  By Jo Nova How much money has the world wasted because of some tree ring studies? A Chinese group has looked at all the different kinds of 2,000 year long proxies in the PAGES dataset and found that history looks quite different depending on which proxy...
• Mark Steyn ordered to pay $1 million to deter climate deniers from criticizing sacred scientists
  The “hockey stick” graph as published in IPCC TAR (Figure 2-20, 2001) By Jo Nova Climate deniers must be punished For newcomers: Michael Mann’s hockeystick graph was wildly different from hundreds of studies of other studies and instantly became...
• The Guardian wins Voodoo Bingo — little Ice Age caused by Volcanoes, White men and CO2
  The Wheels Slowly Turn on the Shifting Sands of The Narrative After years of saying the Little Ice Age was just a European, or Northern Hemisphere event, now apparently it was more global...
• Hockeysticks don’t die, they just get more corrupt
  “The IPCC remains addicted to hockeysticks”
• Finally Hockeystick secret science emails to be released
  The Hockeystick graph rewrote history and was used to justify billions of dollars of expenditure. The people who created it were public servants dedicated to science and writing businesslike emails to each other — which is why they fought tooth...
• Who needs to update the HockeyStick graph – it’s only the fate of the planet at stake?
  Two weeks ago on the HockeyStick Update post we discussed the miracle of how the Bristlecones used in HockeyStick graphs had finally (sort of) been updated...
• HockeyStick, finally updated with modern trees, collapses
  You’ll be shocked that after decades of studying 800 year old tree rings, someone has finally found some trees living as long ago as 2005. These rarest-of-rare tree rings have been difficult to find, compared to the rings circa Richard III. The...
• “Mike’s trick” to hide the decline — still shocking
  Jean S revisited “Black Tuesday” with a post on Climate Audit. Even though I’ve seen these graphs before. It is still so arresting:
• Mann’s trick to hide the decline — still shocking
  Jean S revisited “Black Tuesday” with a post on Climate Audit. Even though I’ve seen these graphs before. It is still so arresting:
• Matt Ridley on Tamiflu-gate. Hidden data, omitted trials, “like the Hockey Stick Graph”
  Matt Ridley looks at pharmaceutical research and finds problems of confirmation bias, lack of access to data, and lack of replication of results. He compares it to the hockey stick debacle which is rising in notoriety to become the new benchmark of bad...

Related Tags: climate change, global warming