Real Science

NSIDC wants us to believe that satellite measurements began in 1979.

But satellite records go back much further, and showed ice gain in the 12 years prior to 1979. Paul Homewood found this quote from the CRU Director HH Lamb

Kukla & Kukla (1974) report that the area of snow and ice, integrated over the year across the Northern Hemisphere, was 12% more in 1973 than in 1967, when the first satellite surveys were made.

HH Lamb–“Climate: Present, Past & Future–Vol 2”–In Review–Part II « NOT A LOT OF PEOPLE KNOW THAT

From 1974 to 1979, the IPCC showed another large gain

www.ipcc.ch/ipccreports/far/wg_I/ipcc_far_wg_I_full_report.pdf

If NSIDC showed the complete satellite data set, people would know that Arctic behavior was cyclical, as we can see in the original GISS temperature graph from Iceland

Data.GISS: GISS Surface Temperature Analysis

Hansen of course didn’t want us to know about this cyclical behavior either, so he got rid of it. You…

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1 Response to

  1. Don Sutherland says:

    FYI, NSIDC explains the reason it uses 1979 as its starting point on its website:

    “The passive-microwave data used for the Sea Ice Index is especially helpful because the sensor can ‘see’ through clouds and deliver data even during the six months of Arctic darkness and frequently cloudy conditions. Some other satellite sensors cannot penetrate clouds to take data, so the results are sporadic and dependent upon weather conditions. Still other sensors can see through clouds, but they do not cover the entire region of the globe where sea ice exists every day, making near-real-time monitoring difficult. Furthermore, some sensors cannot provide information in winter, when polar darkness prevails.

    The passive microwave sea ice record dates back to 1979, one of the longest environmental data sets we know of. This provides a long-term product that consistently tracks changes in the ice cover over many years, lending additional confidence to the trends that we observe. So, although NSIDC refers to additional satellite data in developing our analysis, we primarily rely on passive-microwave data for Arctic Sea Ice News & Analysis images and content, and for tracking long-term change.”

    http://nsidc.org/arcticseaicenews/faq/#data_sea_ice_index

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