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Southwest May Face Megadrought This Century

Southwest May Face 'Megadrought' This Century

Melissa Osgood, Cornell University Due to global warming, scientists say, the chances of the southwestern United States experiencing a decade long drought is at least 50 percent, and the chances of a “megadrought” – one that lasts over 30...

Latest Global warming Stories

arctic permafrost
2014-08-25 03:00:15

Bernie DeGroat, University of Michigan Just how much Arctic permafrost will thaw in the future and how fast heat-trapping carbon dioxide will be released from those warming soils is a topic of lively debate among climate scientists. To answer those questions, scientists need to understand the mechanisms that control the conversion of organic soil carbon into carbon dioxide gas. Until now, researchers believed that bacteria were largely responsible. But in a study published in Science...

sunspots
2014-08-22 03:19:38

Fabio Bergamin, ETH Zurich The average temperature on Earth has barely risen over the past 16 years. ETH researchers have now found out why. And they believe that global warming is likely to continue again soon. Global warming is currently taking a break: whereas global temperatures rose drastically into the late 1990s, the global average temperature has risen only slightly since 1998 – surprising, considering scientific climate models predicted considerable warming due to rising...

sun influences climate
2014-08-20 03:00:09

Lund University A new study from Lund University in Sweden has, for the first time, reconstructed solar activity during the last ice age. The study shows that the regional climate is influenced by the sun and offers opportunities to better predict future climate conditions in certain regions. For the first time, a research team has been able to reconstruct the solar activity at the end of the last ice age, around 20 000–10 000 years ago, by analyzing trace elements in ice cores in...

2014-08-18 23:09:40

Friends of Science Society has sent a letter to the Committee on Publishing Ethics (COPE) asking them to review the ethics of the Stephan Lewandowsky paper “NASA Faked the Moon Landing…” published in Psychological Science journal, stating that paper violates ethical and empirical standards. Friends of Science also note that the journal is “the highest ranked empirical journal in psychology” but the data base in the Lewandowsky et al (2013) paper did not include a single blog that...

Climate Impacts Of Arctic Sea Ice Loss To Be Investigated By NASA
2014-08-15 03:16:22

[ Watch The Video: NASA’s ARISE Arctic Mission Takes Shape ] Steve Cole, NASA A new NASA field campaign will begin flights over the Arctic this summer to study the effect of sea ice retreat on Arctic climate. The Arctic Radiation IceBridge Sea and Ice Experiment (ARISE) will conduct research flights Aug. 28 through Oct. 1, covering the peak of summer sea ice melt. ARISE is NASA's first Arctic airborne campaign designed to take simultaneous measurements of ice, clouds and the...

2014-08-14 12:20:57

WASHINGTON, Aug. 14, 2014 /PRNewswire-USNewswire/ -- A new NASA field campaign will begin flights over the Arctic this summer to study the effect of sea ice retreat on Arctic climate. The Arctic Radiation IceBridge Sea and Ice Experiment (ARISE) will conduct research flights Aug. 28 through Oct. 1, covering the peak of summer sea ice melt. http://photos.prnewswire.com/prnvar/20081007/38461LOGO ARISE is NASA's first Arctic airborne campaign designed to take simultaneous measurements...

Trapped Giant Waves In The Atmosphere Trigger More Extreme Weather
2014-08-13 03:46:00

Potsdam Institute for Climate Impact Research (PIK) Weather extremes in the summer - such as the record heat wave in the United States that hit corn farmers and worsened wildfires in 2012 - have reached an exceptional number in the last ten years. Man-made global warming can explain a gradual increase in periods of severe heat, but the observed change in the magnitude and duration of some events is not so easily explained. It has been linked to a recently discovered mechanism: the...

antarctic ice sheet
2014-08-13 03:45:26

Kelly April Tyrrell, University of Wisconsin-Madison When the Intergovernmental Panel on Climate Change (IPCC) recently requested a figure for its annual report, to show global temperature trends over the last 10,000 years, the University of Wisconsin-Madison’s Zhengyu Liu knew that was going to be a problem. “We have been building models and there are now robust contradictions,” says Liu, a professor in the UW-Madison Department of Atmospheric and Oceanic Sciences and the Center...

2014-08-04 16:20:42

HAMPTON, Va., Aug. 4, 2014 /PRNewswire-USNewswire/ -- On Tuesday, Aug. 5 at NASA's Langley Research Center in Hampton, Virginia, atmospheric scientist Norman Loeb will present "The Recent Pause in Global Warming: A Temporary Blip or Something More Permanent?" at 2 p.m. in the Reid Conference Center. http://photos.prnewswire.com/prnvar/20081007/38461LOGO Loeb's presentation will provide a summary on recent research related to a slow-down in surface warming referred to as the "Global...

pacific trade winds
2014-08-04 05:15:20

redOrbit Staff & Wire Reports - Your Universe Online Climate scientists have finally solved the mystery as to why the equatorial Pacific trade winds, which were expected to get weaker due to increasing greenhouse gas levels, have actually gotten stronger in recent years. For more than a decade, experts have wondered why the trade winds have behaved in contrast to climate models and become supercharged since the early 1990s. The phenomenon, according to a team of US and Australian...


Latest Global warming Reference Libraries

Urban Heat Island
2013-04-02 15:35:21

An urban heat island (UHI) is a metropolitan area that is drastically warmer than its surrounding rural areas because of human activities. The phenomenon was first looked into and described by Luke Howard during the 1810s, although he wasn’t the one to name the phenomenon. The difference in temperature is normally bigger at night as opposed to during the day, and it most obvious when winds are weak. Seasonally, UHI is seen during the summer and the winter. The key cause of the urban heat...

Climate Change
2013-04-01 11:05:27

Climate change is a substantial and lasting change in the statistical distribution of weather patterns over periods of time ranging from decades to millions of years. It might be a change in the average weather conditions, or in the distribution of weather around the average conditions. Climate change is a result of factors that include oceanic processes, biotic processes, variations in solar radiation received buy Earth, volcanic eruptions, and plate tectonics, and human induced alterations...

Weather Reference Library
2012-07-23 13:36:11

Being a meteorologist for over thirteen years you start to take note of many things in the atmosphere and how they repeat themselves. Our Climate is no different. The definition of climate is stated as: the collective weather data in regards to moisture and temperature for over 30 years for the same location. So to better understand our climate we need to look at this. First, we have average temperatures for given places based on the 30 year average. Some years the temps are warmer or...

22_319d33a1f9f347feb9c006816dbc1357
2009-07-06 17:58:20

The water cycle (or hydrologic cycle) describes the continuous movement of water above, below, and on the planet. Since the water cycle is in fact a "cycle", there is no beginning or end. Water exists in three states: liquid, vapor, and ice. Although the balance of water on our planet is fairly constant, individual water molecules may come and go. The water cycle is driven by the sun. The sun heats the oceans and allows water to evaporate into the air. The sun also heats snow and ice which...

22_1663f68fda000d8f11d5a4317e325607
2009-07-06 17:01:44

Arctic haze is a phenomenon that occurs in the atmosphere at high latitudes in the Arctic due to air pollution. What distinguishes Arctic haze from haze found elsewhere, is the ability of its chemical ingredients to endure in the atmosphere for a longer period of time compared to other pollutants. Due to limited snowfall, rain, or turbulent air to displace pollutants from the polar air in the spring, Arctic haze can continue for more than a month in the northern atmosphere. Arctic haze was...

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Word of the Day
bodacious
  • Remarkable; prodigious.
  • Audacious; gutsy.
  • Completely; extremely.
  • Audaciously; boldly.
  • Impressively great in size; enormous; extraordinary.
This word is probably from the dialectal 'boldacious,' a blend of 'bold' and 'audacious.'
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