Historic Data, Data Rescue Archive

  • A scientist from the University of Arizona boring a tree ring sample.

    Tree Rings: A Type of Weather Data

    Posted on May 8, 2012 | No Comments
    By Penny Paugh Trees grow on every continent except Antarctica, and the rings they contain embody a record of climate change going back thousands of years.  Each ring represents a single year’s growth, so not only can a ring count tell us how old a...

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  • Map of Rwanda. Image reproduced from HistorySpeaks.org.uk

    Rwandan Drought; Ongoing Climate Concerns

    Posted on April 25, 2012 | No Comments
    by Aura Lawson La Niña has persisted longer than expected this year, and with it comes agricultural uncertainty for many countries across the globe. Rwanda is no exception. Anthony Twahirwa, head of Rwanda’s Meteorological Center, explains that their forecasting agency expected decreased rainfall as a...

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  • CO2 by energy-dz dot come

    Part 7: Earth’s Carbon Cycle

    Posted on April 20, 2012 | No Comments
    Luisa Cristini, PhD, University of Hawaii at Manoa [Note from the editor: This is the seventh in a series of blog entries that will focus on introductory topics in climate dynamics and modeling, and will be a great insight into the current understanding of the...

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  • A map showing U.S. methane emissions by county from landfills. Reproduced from NREL.

    Should Methane Be Our First Line of Attack to Slow Global Heating?

    Posted on April 9, 2012 | No Comments
    By Penny Paugh Scientist Peter Cox, speaking at the University of Exeter (United Kingdom), recently suggests that the way to win the battle with greenhouse gases is to lower methane emissions. In fact, curbing methane may be the best way to stem dangerous warming. Methane...

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  • An example of a simple report on scenarios of global warming, produced by the Intergovernmental Panel on Climate Change (IPCC). Image reproduced from NewScientist.

    Isolating Climate Change Constraints

    Posted on April 3, 2012 | No Comments
    By Penny Paugh There are many factors that affect the global temperature of the planet, including the rise and fall of greenhouse gases, solar activity, light-scattering atmospheric pollutants, heat transfer among the land, sea, and air, and the presence or absence of forests to process...

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  • An example cross-section of a tree trunk that provides valuable insight into historical weather. Image reproduced from Maricopa.edu.

    Could Climate Change Have Contributed to the Fall of Rome?

    Posted on March 26, 2012 | No Comments
    By Penny Paugh One form of environmental data, tree rings, has provided evidence of a climate shift that, perhaps not coincidentally, occurred from 250 to 550 A.D., a period that coincides with the fall of the Roman Empire. From ancient wood found in medieval castles...

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  • Agriculture suffers when either the long rains or the short rains fail to materialize in a given year, but especially when they both fail to materialize. Image reproduced from USAID.gov.

    African Drought and Data Rescue

    Posted on March 23, 2012 | No Comments
    Drought in Africa has been a destructive force to life and property since the beginning of recorded time. Most recently, East Africa suffered a severe drought in 2010 that persisted nearly the entire year. However, one good thing that came out of this catastrophic drought...

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  • old thermometer

    South America Data Rated as Second Highest Priority Climate Data

    Posted on December 18, 2011 | No Comments
    by Gavin Roy A group led by PAGES (Past Global Changes) has ranked human weather observations in South America as the second-highest priority climate data that must be collected, collated, and integrated to understand South America’s climate. Their highest-ranked priority is tree-ring records, with ice-core...

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  • ACRE w shadow

    ACRE Mentioned in AMS Bulletin

    Posted on December 14, 2011 | 1 Comment
    The international Atmospheric Circulation Reconstructions over the Earth (ACRE) initiative both undertakes and facilitates the recovery of historical instrumental surface terrestrial and marine global weather observations to underpin 3D weather reconstructions (reanalyses) spanning the last 200-250 years for climate applications and impacts needs worldwide.  All...

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  • Bangladesh Named Country Most Vulnerable to Natural Disasters Future Data Rescue Operation May Save Lives

    Bangladesh Named Country Most Vulnerable to Natural Disasters Future Data Rescue Operation May Save Lives

    Posted on November 12, 2011 | No Comments
    Environmental risk advisory firm Maplecroft has named Bangladesh the country most vulnerable to natural disasters on their Natural Disasters Risk Index.  Surveying incidents of natural disasters, and the material and human costs of those disasters over a period of 30 years, Maplecroft placed Bangladesh at...

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