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Posts tagged: drought

Grace Mission Helps Monitor Drought In the US

December 1, 2011
The record-breaking drought in Texas that has fueled wildfires, decimated crops and forced cattle sales has also reduced groundwater levels in much of the state to the lowest levels in more than 60 years, according to new national maps produced by NASA using data from the NASA/German Aerospace Center Gravity ...

Texas drought visible in new national groundwater maps

December 1, 2011
The record-breaking drought in Texas that has fueled wildfires, decimated crops and forced cattle sales has also reduced levels of groundwater in much of the state to the lowest levels seen in more than 60 years, according to new national maps.

How Drought-tolerant Grasses Came To Be

November 25, 2011
New grass family tree reveals C4 photosynthesis is an evolutionary 1-way streetIf you eat bread stuffing or grain-fed turkey this Thanksgiving, give thanks to the grasses — a family of plants that includes wheat, oats, corn and rice. Some grasses, such as corn and sugar cane, have evolved a unique ...

Air pollution a culprit in worsening drought and flooding

November 14, 2011
Increases in air pollution and other particulate matter in the atmosphere can strongly affect cloud development in ways that reduce precipitation in dry regions or seasons. This while increasing rain, snowfall and the intensity of severe storms in wet regions or seasons, according to results of a new study.

Rising air pollution worsens drought, flooding, new study finds

November 13, 2011
Increases in air pollution and other particulate matter in the atmosphere can strongly affect cloud development in ways that reduce precipitation in dry regions or seasons, while increasing rain, snowfall and the intensity of severe storms in wet regions or seasons, says a new study. The research provides the first ...

Evidence Of Previously Unknown 2nd Century Drought Discovered

November 5, 2011
Researchers with the University of Arizona (UA's) have discovered evidence of a formerly unknown, decades-long drought that occurred in the southwestern United States in the second century, the school announced in a November 3 press release.The study, which was the work of geoscientists Cody Routson, Connie Woodhouse and Jonathan Overpeck ...

Want to Understand Drought? Follow the Water!

October 24, 2011
To better understand and predict drought, 30 universities are collaborating in a effort called the Shale Hills Project. Understanding the flow of water will help us better understand areas prone to drought and how urban populations will be affected.

Southern Drought to Continue This Winter (Thank La Niña)

October 20, 2011
US winter weather outlook for winter of 2011-2012.

Severe Drought, Other Changes Can Cause Permanent Ecosystem Disruption

October 14, 2011
An eight-year study has concluded that increasingly frequent and severe drought, dropping water tables and dried-up springs have pushed some aquatic desert ecosystems into “catastrophic regime change,” from which many species will not recover.The findings, just published in the journal Freshwater Biology, raise concerns that climate change, over-pumping of aquifers ...

Severe drought, other changes can cause permanent ecosystem disruption

October 13, 2011
An eight-year study has concluded that increasingly frequent and severe drought, dropping water tables and dried-up springs have pushed some aquatic desert ecosystems into "catastrophic regime change," from which many species will not recover.

Texas Drought Could Persist For Years To Come

September 30, 2011
A Texas forecaster said on Thursday that the drought in the state could continue for another nine years, according to a recent Reuters report.The Texas drought has already cost over $5 billion in damages to farmers and ranchers in the state."It is possible that we could be looking at another ...

New Photos Reveal Terrible Depth of Texas Drought

September 27, 2011
From skinny longhorns to dried-up lakes, the Texas drought is taking a toll.