Community Blogs
 

Included below is a feed of the latest blog posts created by the GLOBE Community. To view a tutorial on how you can create a blog click here 



The cold weather this last month has led to Lake Erie developing ice cover. This past week, the temperature has been averaging about 20 F (-6 C). Even with temperatures in the 50s and 60s F (10 C to 15 C), ice has formed. See the Figure 1 below. As you can see in the picture, the ice on Lake Erie is broken up into things that look like islands. The wind blows the ice around and breaks it up. There is a straight line through Lake St. Clair that extends down into Lake Erie. What do you think caused this straight line? Usually, on Earth, straight lines are produced by humans. Figure...


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Blog originally posted on The GLOBE Scientists' Blog: http://blog.globe.gov/sciblog/2013/01/30/an-interesting-relationship-soil-temperature-and-climate-change/ It seems common place that warmer air temperature leads to warmer soil temperature. And while this relationship seems intuitive, the effect isn’t always studied, especially with respect to the response from microorganisms. That is why researchers are investigating what happens when the soil temperature increases. An intricate network of soil microorganisms From: Commonwealth Scientific and...


Posted in: GLOBE Science Topics: Climate Climate Change Investigation Areas: Pedosphere (Soil) » Soil Temperature

Blog originally posted on the GLOBE Scientists' Blog: http://blog.globe.gov/sciblog/2013/01/23/trees-in-trouble-what-affect-does-tree-mortality-have-on-climate-change/ Through our trees in trouble series, we’ve examined trees in the Sahel zone in Africa and the United States .  This problem, climate change and dying trees, has been seen on every continent, the only exception being Antarctica, due to the lack of vegetation on the frozen continent.   Scientists have recently found that there is an alarming loss rate of big, old trees, whose ages range from...


Posted in: GLOBE Science Topics: Climate Climate Change General Science Investigation Areas: Atmosphere Biosphere

Blog previously posted on The GLOBE Scientists' Blog: http://blog.globe.gov/sciblog/2013/01/16/a-tale-of-two-extremes/ Weather extremes have become a common theme in the news headlines the past few weeks. For example, nearly every part of the United States has been experiencing one of two extremes – either frigid cold or record-breaking high temperatures. Places like Arizona and California experienced below-freezing temperatures, which can have potential impacts on the crops grown in these typically balmy regions. In contrast, cities in the Southeast U.S., such as Atlanta,...


Posted in: GLOBE Science Topics: Climate Climate Change Investigation Areas: Atmosphere

Blog originally posted on The GLOBE Scientists' Blog: http://blog.globe.gov/sciblog/2013/01/11/globe-at-ams-sharing-our-community/ This week I attended the 93rd Annual Meeting of the American Meteorological Society (AMS) in Austin, TX.  I started attending eight years ago as a senior undergraduate meteorology major at Millersville University.  That first year, I'll admit, was very overwhelming - great minds from various expertises within the Earth Sciences came together to share ideas and present their recent research.  The meeting brings many...


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Most trees obtain water through their massive root systems, but did you know that some trees can absorb water through their leaves as well? This ability is called foliar uptake. Scientists recently discovered that trees in cloud forests use foliar uptake to obtain water. A cloud forest is a forest that has persistent or seasonally persistent fog or low-level cloud cover. Cloud forests are usually in the tropics or subtropics, have evergreen trees (trees that don’t lose their leaves) and tend to have a lot of mosses and vegetation in the understory of the trees. Cloud Forest...


Posted in: GLOBE Science Topics: Earth System Science Investigation Areas: Earth As a System Biosphere

GLOBE’s Earth as a System investigation area cultivates students’ awareness of an intricate web of global connections. Similar to real world scientists, students explore life science concepts, learning that “ organisms can only survive where their needs are met. ”  The Earth as a System investigation area encourages students to observe patterns and connections, such as through phenology. Phenology is the study of how living organisms respond to seasonal changes in their environment. Only through observing and measuring can we notice if changes are occurring and how they occur. ...


Posted in: GLOBE Science Topics: Earth System Science Investigation Areas: Earth As a System Biosphere » Ruby-Throated Hummingbirds

Blog originally posted on the GLOBE Scientists' Blog:  http://blog.globe.gov/sciblog/2012/12/19/the-chicken-and-egg-story-of-global-warming-and-extreme-droughts-a-lesson-on-climate-feedbacks/ I recently read that the extreme drought in western North America during 2000-2004 actually resulted in more carbon dioxide being released into the atmosphere. In the article in Nature Geoscience , it explained that such droughts can further enhance global warming. When a drought occurs, the plants wither and die and no longer uptake carbon dioxide (normally living plants serve as a...


Posted in: GLOBE Science Topics: Climate Climate Change

Storm Coming Across US If you live in the United States, you probably have heard of the snow storm crossing the country right now. There will be mountain snow in the Rockie Mountains, a potential for a blizzard from Nebraska to Wisconsin and then some snow to the Great Lakes states. The National Weather Service (NWS) definition of a blizzard is: "A blizzard means that the following conditions are expected to prevail for a period of 3 hours or longer: Sustained wind or frequent gusts to 35 miles an hour or greater; and Considerable falling and/or...


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Blog originally posted on The GLOBE Scientists' Blog: http://blog.globe.gov/sciblog/2012/12/12/the-common-thread-between-science-and-art-creativity/ When you examine a seashell, a crystal, the skin of a snake or the wings of a butterfly, what do you think about?  Art?  Science? Or the obvious connection between the two?  At the fall meeting of the American Geophysical Union (AGU) in San Francisco, CA last week, thousands of scientists, including myself, found ourselves examining the intersection of science and art through a wide variety of...


Posted in: Curriculum: Language Culture and Arts Science and Math