Oscillations of a Chilly Variety

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I returned from a trip to Boston this weekend to find much warmer temperatures in the nation’s capital. Although I did not venture outside the office midday, Weather.com tells me today’s high was in the mid-50s. Many around me are welcoming the shift to milder weather; I must admit I enjoyed the cold snap, and particularly the great Mid-Atlantic blizzard that blanketed the city in over a foot of snow just before the holiday “recess.” Of course, I’m not a farmer dependent on seasonable conditions to sustain crop yields–and even I missed the fresh produce that succumbed to the frost when I visited the local market last month.

Why did the entire Eastern U.S. and much of Eurasia experience such a chilly several weeks? You may or may not have heard buzz about the Arctic Oscillation, a climatic phenomenon not unlike El Niño/La Niña. The main difference: The Arctic Oscillation (AO) is a north-south shift in pressure and temperature in the atmosphere and ocean, while El Niño/La Niña is an east-west shift in pressure and temperature. Well, at a basic level.

Check out this thematic map, which compares December 2009 surface temperatures with December 2000-2008 averages around the globe.

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Do you hear what I hear?

 

soundtrackr.pngA friend sent me this story about a new iPhone app that lets you geotag your own musical journeys–and discover neighbors with similar tastes in music.

Think of it as Pandora with propinquity: Just like the popular internet radio station, Soundtrackr creates playlists based on users’ favorite songs and artists. But then it goes one step further, allowing the user to tag favorite stations by where they listen. Then, by searching for similar locations and playlists, they can find out what others in their vicinity are tuning in to.

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Adella Edwards- Large Scale Mapping: It is always something new

Adella is the Cartographer at James Cook University, Townsville, Queensland, Australia. She was trained at the Nova Scotia College of Geographic Sciences in Nova Scotia, Canada. The first 15 years of her career were varied, and included thematic mapping and working on the development team for the National Topographic Database of Canada. In 1996 she and her family migrated to Australia, where she settled into … Continue reading Adella Edwards- Large Scale Mapping: It is always something new

Impressions of Berlin

Thumbnail image for Thumbnail image for tor.JPGYesterday marked the 20th anniversary of the fall of the Berlin Wall. The New York Times has featured articles, user-submitted photos, interactive timelines, and multimedia graphics all week to celebrate the November 9th, 1989 event. I certainly don’t recall the day (two-year-olds generally don’t have a knack for remembering these kinds of things), but I can definitely imagine the throngs of people pouring through the Brandenburg Gate on that evening 20 years ago. I was lucky enough to be in Berlin for New Years Eve last winter, where over a million people flooded the streets around the Gate to ring in 2009. The excitement in the air was palpable that night, and I can only imagine an even greater electricity on the night the wall came down.

The Berlin Wall was an enormously significant historical and geographical marker, the effects of which visitors to the city can still see and feel. During my visit, I blogged about my first impressions of the city. Although I wrote it 11 months ago, I think the entry sums up the city and the legacy of the wall well–very appropriate for this occasion! Enjoy!

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Things to do with your My Wonderful World wall maps

1. Map your family!
Locate on the map (e.g. with stickers or thumbtacks) the country or countries from which your family immigrated to the United States.Then, explore your country(ies) of origin by:

 
Thumbnail image for japanesefood.jpgA) Using National Geographic’s “Travel and Cultures” portal and national tourism board websites. Have younger kids research general encyclopedic information like total population, total land area, major cities, major geographic features and natural resources. Have older kids research more specific topics such as economic indicators (e.g gross domestic product), dominant cultural groups, and demographic trends (e.g. changes in population size over time).
B) Looking through family records, if available. Encourage older kids to conduct a more extensive genealogical investigation using resources like www.familysearch.org/ and the Library of Congress.
C) Conducting informal interviews of older relatives who may have emigrated from other countries (parents, grandparents, etc.).
D) Discussing and participating in family cultural traditions. Cook an ethnic meal together, plan a holiday celebration, or play a traditional sport or game.

2. 20 Questions
Play 20 questions with your world map. One person thinks of a location, e.g. city, country, landform, etc. and others ask “yes or no” questions–no more than 20–to guess what it is. Encourage kids to practice using directional and other geography terms (e.g. “Is it north of____? ” “Is it close to___?”  “Is it a body of water?”) 

3. Name Game
Take turns naming a world location for each letter of the alphabet–and point to it on the map. You can do this for varying scales and types of features: e.g. cities, countries, rivers, mountains, etc. Keep going until you get stuck; then reach for an almanac.

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