Current Events

  • Irish Chronicles Document Links Between Volcanoes and Weather
    A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong corr...Read more

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    Irish Chronicles Document Links Between Volcanoes and Weather

    A study of over 40,000 written entries in Irish Annals and ice core measurements shows a strong correlation between the occurrence of volcanic eruptions and extreme cold weather in Ireland over a 1200 year period. Data analyzed in this study cover the period from 431 to 1649, during which time up to 48 volcanic eruptions are identified in Greenland ice core records through deposition of volcanic sulfate in annual layers of ice. You can find the study (open access), published on 6 June 2013 in IOP Publishing's journal Environmental Research Letters, at http://iopscience.iop.org/1748-9326/8/2/024035/article. Find out more about how volcanoes can influence climate.
  • EF-5 Tornado in El Reno, Oklahoma Widest Ever Recorded in US
    The EF-5 tornado that hit El Reno, Oklahoma on May 31st was the widest ever recorded in the US, acco...Read more

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    EF-5 Tornado in El Reno, Oklahoma Widest Ever Recorded in US

    The EF-5 tornado that hit El Reno, Oklahoma on May 31st was the widest ever recorded in the US, according to the National Weather Service in Norman Oklahoma. The tornado, which remained on the ground for 40 minutes and reached 2.6 miles across (4.2 km), took the lives of 18 people including storm chasers Tim Samaras, Paul Samaras and Carl Young. For more information on the tornado, visit http://ow.ly/i/2hfDG.
  • Atmospheric CO2 Level Tops 400 ppm
    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm rep...Read more

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    Atmospheric CO2 Level Tops 400 ppm

    During the week of May 13th, the CO2 level at the Mauna Loa Observatory in Hawaii topped 400 ppm repeatedly. Daily levels of CO2 can vary due to weather, and there are seasonal trends as well. The level of atmospheric greenhouse gases continues to increase, now over 120 ppm since the Industrial Revolution began. For more on the Keeling Curve, see http://keelingcurve.ucsd.edu/. Find out more about greenhouse gases and warming.

Dr. Dara Salcedo

I am originally from Mexico City were I grew up and eventually got my Bachelor's degree in Chemistry. When I started college, I had many questions about molecules, reactions, colors, substances, and I thought that everything was going to be answered in my classes. Soon, I realized that every time a question was answered, three or four new questions arose! By the time I got my degree, I knew that doing science to answer questions is a never ending story, but it is fun, so I went to Cambridge, MA to get my PhD. I chose the field of Atmospheric Chemistry because it is about applying Chemistry to understand the environment. Also, I like to think that the research I do will be useful for policy makers to generate new laws that will protect our health and environment. Now, I live in Cuernavaca, a city south from Mexico City, which is called "the city of the eternal spring" because it has a very mild weather and you can always find a tree blooming!

During MILAGRO, I will be at T0 measuring particles. The objective is to learn about their chemical and physical properties and to deduce their history (where they were emitted and how they were transformed once in the atmosphere). I could not do the latter without the help of other colleagues measuring gases, temperature, wind, etc. That is what it is important about the MILAGRO project: every research group is doing a different measurement; when all the measurements are put together will be able to understand air pollution better (like pieces of a puzzle that form a landscape when put together).

When I am not doing science, I enjoy to be at home, cooking, hiking and going to the movies. I also like traveling with my husband and we use every opportunity we have. This photo was taken last year in Sidney, Australia. Next April, we are going to visit some caves in Central Mexico (a well deserved trip after all the hard work in March during MILAGRO).

Last modified February 15, 2006

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