IPCC is right: Amazon still at risk from drought, global warming

By Environmental Defense on 03/19/2010 – 11:10 am PDT -- Green

. It does show that one series of data from one, mid-resolution satellite sensor, didn’t detect any measurable difference in the spectral signature of Amazon trees during one drought year.

One positive that has come out of the press release’s drastic mischaracterization of Semanta et al.’s article and corresponding news coverage is the quality conversations incited about the findings in the IPCC report. I’ll conclude with a portion of a statement yesterday by 19 leading scientists who conduct research on Amazon forests, climate, and/ or fire released, which called the BU press release “misleading and inaccurate”.

There are multiple, consistent lines of evidence from ground-based studies published in the peer-reviewed literature that Amazon forests are, indeed, very susceptible to drought stress… [and] the main conclusion of the IPCC statement – that Amazonian forests are very susceptible to reductions in rainfall – remains our best understanding of the data available at the time of the IPCC report and also today.

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  • Orkneygal

    The overwhelming paleoclimate evidence from around the globe is that the Medieval Warm Period (MWP) was synchronous, world wide and much warmer than today.

    A thousand years ago the world was warmer than today without the affects of CO2 from social and industrial advancements.

    However, the MWP deniers will never admit the existence of the MWP because it means that their religous-like belief in AGW is exposed for the steaming pile of junk science that it truly is.

    If we are lucky, Mother Earth’s temperature will return to those glorious levels in the past where Greenland was farmed by the Vikings and my ancestors, the Polynesian people, made important voyages of discovery across the Pacific in search of cooler temperatures. Siberia will become the world’s food basket and the Sahara might bloom again as a warmer world brings more rainfall there.

    Two hundred years from now or so, with our planet facing a pending new Ice Age, people will look back at those today that decry against Plant Friendly, Ocean Cleansing and Life Giving CO2 with the same incredulity that we look back at the those that burned Witches in during the Dark Ages.

    Here’s a picture.

    http://www.co2science.org/data/timemap/mwpmap.html

    Here’s a link to the peer-reviewed papers.

    http://www.co2science.org/data/mwp/mwpp.php

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