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101 Crazy Theories About Dinosaur Extinction
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101 Crazy Theories About Dinosaur Extinction

This document presents a number of theories, both plausible and implausible or ... (more)

This document presents a number of theories, both plausible and implausible or even humorous, for the extinction of the dinosaurs. Links to a glossary are embedded in the text. A reading list and links to related sites are also provided. (less)

Subject:
Chemistry
Geoscience
Life Science
Physics
Space Science
Material Type:
Reference
Provider:
UCAR Staff
Provider Set:
NASA Earth and Space Science Education Collection
14-Day Boxcar averaged Terra-CERES (Outgoing Longwave Radiation)
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14-Day Boxcar averaged Terra-CERES (Outgoing Longwave Radiation)

This animation displays one year of Outgoing Long-wave Radiation (OLR) Terra-CERES data ... (more)

This animation displays one year of Outgoing Long-wave Radiation (OLR) Terra-CERES data (March 1, 2000 to May 25, 2001) with a 14-day boxcar average. Endpoints have the average re-weighted for the smaller amount of data. The data are 2.5 degree resolution. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Bruce Barkstrom
Bruce Wielicki
Takmeng Wong
Tom Bridgman
14-Day Boxcar averaged Terra-CERES (Reflected Solar Radiation)
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14-Day Boxcar averaged Terra-CERES (Reflected Solar Radiation)

This animation displays one year of Reflected Solar Radiation (RSR) Terra-CERES data ... (more)

This animation displays one year of Reflected Solar Radiation (RSR) Terra-CERES data (March 1, 2000 to May 25, 2001) with a 14-day boxcar average. Endpoints have the average re-weighted for the smaller amount of data. The data are 2.5 degree resolution. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Bruce Barkstrom
Bruce Wielicki
Takmeng Wong
Tom Bridgman
1992 Daily Ozone from Nimbus-7
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1992 Daily Ozone from Nimbus-7

In this animation of total ozone, the luminance values of the colors ... (more)

In this animation of total ozone, the luminance values of the colors bounding areas of missing data are used in interpolating over these regions. The missing data are mapped to the grayscale portion of the color map. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Pamela ONeil
Ray Twiddy
Richard McPeters
1993 Daily Ozone from Meteor-3
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1993 Daily Ozone from Meteor-3

In this animation of total ozone, the luminance values of the colors ... (more)

In this animation of total ozone, the luminance values of the colors bounding areas of missing data are used in interpolating over these regions. The missing data are mapped to the grayscale portion of the color map. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Pamela ONeil
Ray Twiddy
Richard McPeters
1993 Daily Ozone from Nimbus-7
No Strings Attached

1993 Daily Ozone from Nimbus-7

In this animation of total ozone, the luminance values of the colors ... (more)

In this animation of total ozone, the luminance values of the colors bounding areas of missing data are used in interpolating over these regions. The missing data are mapped to the grayscale portion of the color map. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Pamela ONeil
Ray Twiddy
Richard McPeters
The 1997-98 El Nino
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The 1997-98 El Nino

El Nino, a periodic warming of the Eastern Pacific Ocean, is among ... (more)

El Nino, a periodic warming of the Eastern Pacific Ocean, is among Earths most powerful phenomena. Satellite, ship, and buoy observations show the 1997-98 event as the strongest on record. Visualizing how sea-surface height, sea-surface temperature, and sea-surface winds differ from normal conditions reveals the events magnitude. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Antonio Busalacchi
Eric Hackert
Greg Shirah
William Wynn
The 2003 Antarctic Ozone Hole
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The 2003 Antarctic Ozone Hole

TOMS provides dramatic visual evidence of the annual growth and decay of ... (more)

TOMS provides dramatic visual evidence of the annual growth and decay of the Antarctic ozone hole. The ozone losses over Antarctica result from reactions with the products of man-made chlorine and bromine compounds. Because of the tilt of the Earths axis, continuous darkness falls at the South Pole from March 21 to September 21. The dark region in the middle of the July 1 total ozone picture is polar night, where TOMS cannot make measurements. Ozone losses are in blue. Beginning in August, returning sunlight reaches the edges of Antarctica providing chlorine and bromine compounds with energy to rapidly destroy ozone. By mid September, the ozone loss peaks, creating an ozone hole over Antarctic. For more information see www.gsfc.nasa.gov-topstory-2003-1208toms.html (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Greg Shirah
Paul Newman
The 2004 Antarctic Ozone Hole
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The 2004 Antarctic Ozone Hole

A relatively warm Antarctic winter in 2004 kept the thinning of the ... (more)

A relatively warm Antarctic winter in 2004 kept the thinning of the protective ozone layer over Antarctica, known as the ozone hole, slightly smaller than in 2003. Each year the hole expands over Antarctica, sometimes reaching populated areas of South America and exposing them to ultraviolet rays normally absorbed by ozone. Scientists have new tools to study this annual phenomenon, and the human-produced compounds that contribute to ozone breakdown are decreasing. On September 22, 2004, ozone thinning over Antarctica reached its maximum extent for the year at 24.2 million square kilometers (9.4 million square miles). The largest maximum area on record was 29.2 million square kilometers, in 2000. On October 5, 2004, the ozone layer reached a low value of 99 Dobson Units. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Greg Shirah
Paul Newman
20-Year Arctic Autumn Seasonal Surface Temperature Trend
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20-Year Arctic Autumn Seasonal Surface Temperature Trend

Here the 20-year seasonal surface temperature trend for the autumn is shown ... (more)

Here the 20-year seasonal surface temperature trend for the autumn is shown over the Arctic region. This animation shows the warming and cooling regions in steps from the regions of least change to the areas of greatest change. Blue hues indicate cooling regions; red hues depict warming. Light regions indicate less change while darker regions indicate more. The temperature scale used ranges from -0.4 to +0.4 degrees Celsius in increments of .02 degrees. (See color bar below) (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Cindy Starr
Josefino Comiso
20-Year Arctic Spring Seasonal Surface Temperature Trend
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20-Year Arctic Spring Seasonal Surface Temperature Trend

Here the 20-year seasonal surface temperature trend for the spring is shown ... (more)

Here the 20-year seasonal surface temperature trend for the spring is shown over the Arctic region. This animation shows the warming and cooling regions in steps from the regions of least change to the areas of greatest change. Blue hues indicate cooling regions; red hues depict warming. Light regions indicate less change while darker regions indicate more. The temperature scale used ranges from -0.4 to +0.4 degrees Celsius in increments of .02 degrees. (See color bar below) (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Cindy Starr
Josefino Comiso
20-Year Arctic Summer Seasonal Surface Temperature Trend
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20-Year Arctic Summer Seasonal Surface Temperature Trend

Here the 20-year seasonal surface temperature trend for the summer is shown ... (more)

Here the 20-year seasonal surface temperature trend for the summer is shown over the Arctic region. This animation shows the warming and cooling regions in steps from the regions of least change to the areas of greatest change. Blue hues indicate cooling regions; red hues depict warming. Light regions indicate less change while darker regions indicate more. The temperature scale used ranges from -0.4 to +0.4 degrees Celsius in increments of .02 degrees. (See color bar below) (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Cindy Starr
Josefino Comiso
20-Year Arctic Surface Temperature Trend
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20-Year Arctic Surface Temperature Trend

Here the 20-year surface temperature trend is shown over the Arctic region. ... (more)

Here the 20-year surface temperature trend is shown over the Arctic region. This animation shows the warming and cooling regions in steps from the regions of least change to the areas of greatest change. Blue hues indicate cooling regions; red hues depict warming. Light regions indicate less change while darker regions indicate more. The temperature scale used ranges from -0.4 to +0.4 degrees Celsius in increments of .02 degrees. (See color bar below) (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Cindy Starr
Josefino Comiso
20-Year Arctic Winter Seasonal Surface Temperature Trend
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20-Year Arctic Winter Seasonal Surface Temperature Trend

Here the 20-year seasonal surface temperature trend for the winter is shown ... (more)

Here the 20-year seasonal surface temperature trend for the winter is shown over the Arctic region. This animation shows the warming and cooling regions in steps from the regions of least change to the areas of greatest change. Blue hues indicate cooling regions; red hues depict warming. Light regions indicate less change while darker regions indicate more. The temperature scale used ranges from -0.4 to +0.4 degrees Celsius in increments of .02 degrees. (See color bar below) (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Cindy Starr
Josefino Comiso
20-Year Map of Global Rainfall
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20-Year Map of Global Rainfall

This visualization from NASA shows global rainfall patterns over a 22-year span. ... (more)

This visualization from NASA shows global rainfall patterns over a 22-year span. It incorporates data from a combination of remote-sensing and ground-based sources. ***Access to Teacher's Domain content now requires free login to PBS Learning Media. (less)

Subject:
Science and Technology
Chemistry
Ecology
Forestry and Agriculture
Geoscience
Physics
Space Science
Social Sciences
Education
Material Type:
Activities and Labs
Images and Illustrations
Instructional Material
Simulations
Provider:
PBS LearningMedia
PBS Learning Media
University Corporation for Atmospheric Research
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
Teachers' Domain
DLESE Community Collection
Author:
National Science Foundation
WGBH Educational Foundation
22-Year Arctic Surface Temperature Trend
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22-Year Arctic Surface Temperature Trend

This image shows the 22-year surface temperature trend over the Arctic region. ... (more)

This image shows the 22-year surface temperature trend over the Arctic region. Blue hues indicate areas that are cooling; gold hues depict areas that are warming. Lighter colors indicate less change while darker colors indicate more. The temperature scale steps from zero degrees Celsius in increments of .02 degrees. (See color bar below) The data ranges from -0.162 to +0.487 degrees Celsius. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Cindy Starr
Josefino Comiso
2-D Unstructured Mesh Particle-MHD Solar Wind Flow Over the Earth: Density and Magnetic Field
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2-D Unstructured Mesh Particle-MHD Solar Wind Flow Over the Earth: Density and Magnetic Field

This series of animations shows a two-dimensional unstructured mesh particle-magneto-hydrodynamic solar wind ... (more)

This series of animations shows a two-dimensional unstructured mesh particle-magneto-hydrodynamic solar wind flow simulation of the interaction of the solar wind with the Earths magnetosphere. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Andy Acuna
Dan Spicer
F. Kazeminezhad
Liam Krauss
Steve Zalesak
2-D Unstructured Mesh Particle-MHD Solar Wind Flow Over the Earth: Magnetic Potential
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2-D Unstructured Mesh Particle-MHD Solar Wind Flow Over the Earth: Magnetic Potential

This series of animations shows a two-dimensional unstructured mesh particle-magneto-hydrodynamic solar wind ... (more)

This series of animations shows a two-dimensional unstructured mesh particle-magneto-hydrodynamic solar wind flow simulation of the interaction of the solar wind with the Earths magnetosphere. (less)

Subject:
Science and Technology
Material Type:
Other
Provider:
NASA
UCAR Staff
Provider Set:
NASA GSFC Scientific Visualization Studio
Scientific Visualization Studio
Author:
Andy Acuna
Dan Spicer
F. Kazeminezhad
Liam Krauss
Steve Zalesak
2002 llaF ,gnivloS melborP gnireenignE dna sretupmoC ot noitcudortnI

2002 llaF ,gnivloS melborP gnireenignE dna sretupmoC ot noitcudortnI

.desu si egaugnal gnimmargorp avaJ ehT .gninnalp dna ,tnemeganam ,ecneics ,gnireenigne ni ... (more)

.desu si egaugnal gnimmargorp avaJ ehT .gninnalp dna ,tnemeganam ,ecneics ,gnireenigne ni smelborp gnivlos rof seuqinhcet gnipoleved no si sisahpmE .scipot decnavda detceles dna scihparg retupmoc ,gnihcraes dna gnitros ,serutcurts atad ,sdohtem laciremun ,secafretni resu lacihparg ,stpecnoc gnimmargorp revoc smelborp gnimmargorp ylkeeW .esruoc eht fo sucof eht si tnempoleved dna ngised erawtfos detneiro-tcejbO .snoitacilppa cifitneics dna gnireenigne rof sdohtem lanoitatupmoc dna tnempoleved erawtfos latnemadnuf stneserp esruoc sihT (less)