Remote Sensing Systems

{{Main| Microwave Sounding Unit temperature measurements}}

RSS is a widely cited source of data on the satellite temperature record. Their data is one source of evidence for global warming. Research by Carl Mears, Matthias Schabel, and Wentz, all of RSS, highlighted errors in the early satellite temperature records compiled by John Christy and Roy Spencer at UAH,Wentz, Frank J., and Matthias C. Schabel (1998). [http://www.nature.com/nature/journal/v394/n6694/abs/394661a0.html "Effects of orbital decay on satellite-derived lower-tropospheric temperature trends"], Nature 394.6694, pp. 661-664

Wentz, Frank J., and Matthias C. Schabel (2000). "[http://www.nature.com/nature/journal/v403/n6768/abs/403414a0.html Precise climate monitoring using complementary satellite data sets"], Nature 403.6768, pp. 414-416. which had previously showed no significant temperature trend, bringing the derived satellite data into closer agreement with surface temperature trends, radiosonde data and computer models.{{Cite web|url=https://www.nytimes.com/2003/11/18/science/earth/18CLIM.html |title=New View of Data Supports Human Link to Global Warming |author= Revkin, Andrew |date=November 18, 2003 |work=New York Times |accessdate=November 6, 2009 }} The 2011 correction to UAH data is closer to the RSS data, but differences remain, for example, in the Lower Troposphere global average trend since 1979, RSS currently have +0.133K/decade while UAH has 0.140K/decade, while the mid-troposphere difference is even more marked at 0.079K/decade and 0.052K/decade respectively.{{cite web|url=http://www.ssmi.com/msu/msu_data_description.html|title=RSS / MSU and AMSU Data / Description|accessdate=26 February 2011|url-status=dead|archiveurl=https://web.archive.org/web/20121123040542/http://www.ssmi.com/msu/msu_data_description.html|archivedate=23 November 2012}}{{cite web|url=http://vortex.nsstc.uah.edu/data/msu/t2lt/tltglhmam_5.4|title=MONTHLY MEANS OF LOWER TROPOSPHERE LT5.4|work=UAH|accessdate=26 February 2011|url-status=dead|archiveurl=https://web.archive.org/web/20120717025455/http://vortex.nsstc.uah.edu/data/msu/t2lt/tltglhmam_5.4|archivedate=17 July 2012}} However, in a recent online YouTube video, Dr. Carl Mears, a senior scientist with the team behind the satellite data, explained how he believes his data set needed correction.{{cite web | last=Ronson | first=Jacqueline | title=Ted Cruz Has Just Lost His Best Climate Change-Denying Weapon | website=Inverse | date=March 3, 2016 | url=https://www.inverse.com/article/12349-ted-cruz-gets-his-comeuppance-for-cherry-picked-climate-change-data | access-date= July 4, 2019}}

I would have to say that the surface data seems more accurate because several groups analyze it, including some who set out to prove the others wrong, and they all get more or less the same answer.

In June 2017, version 4 of the TLT was released, and this substantially revised the trend from 1979 by 36%, from .135K per decade to .184K per decade.[https://www.carbonbrief.org/major-correction-to-satellite-data-shows-140-faster-warming-since-1998 Major correction to satellite data shows 140% faster warming since 1998] Carbon Brief 30 June 2017[http://images.remss.com/msu/msu_time_series.html RSS Trend history Image]

Atmospheric measurements taken by a different satellite measurement technique, the Atmospheric Infrared Sounder on the Aqua satellite launched in 2002, show close agreement with surface data.Harvey, Chelsea (April 18, 2019). [https://www.scientificamerican.com/article/its-a-match-satellite-and-ground-measurements-agree-on-warming/ "It's A Match: Satellite and Ground Measurements Agree on Warming"], Scientific American. Retrieived 8 Jan 2020.

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• [http://www.remss.com Remote Sensing Systems website]

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