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RESEARCH AT GISS

Research at the Goddard Institute for Space Studies emphasizes a broad study of global change, an interdisciplinary research initiative addressing natural and man-made changes in our environment which occur on various time scales from decades to millennia and which affect the habitability of our planet. The research combines analysis of comprehensive global datasets with global models of atmospheric, land surface, and oceanic processes and includes study of past events on Earth such as paleoclimate change and the study of other planets as an aid to prediction of future evolution of Earth on a planetary scale.

2009 News, Briefs, and Features

This page lists news releases and science briefs for the current year. Archives are also available for 2008, 2007, 2006, 2005, 2004 and 2003.

* Linking Climate and Habitability
Scientists are now learning how small shifts in climate can have dramatic consequences for the planet's environment and the life that depends on it. (June '09)
+ Read Research Feature

* Transportation Pollution and Global Warming
Controlling pollution from transportation sources would greatly reduce black carbon and ozone emissions, which affect both climate and also human health. (June '09)
+ Read Science Brief

* Particles Multi-Task to Change Climate
Tiny particulate matter in the atmosphere can both warm and cool the climate. Which effect is dominant, and will the balance change as the atmosphere warms due to greenhouse gases? (May '09)
+ Read Science Brief

* The Ozone Hole and Global Warming
A new study examines possible connections between reduced Southern Hemisphere ozone and Northern Hemisphere Arctic warming. (May '09)
+ Read Science Brief

* New Aerosol Observing Technique Turns Gray Skies to Blue
A new detection technique and a new satellite instrument should help ease the struggle of detecting tiny particles in the air that may affect global climate. (Mar '09)
+ Read News Release

* Climate-Research Satellite One Step Closer to Orbit
The Aerosol Polarimetry Sensor, an advanced scientific instrument that will be launched on the Glory satellite, has successfully completed environmental testing. (Mar '09)
+ Read News Release

* Cassini Watches as Change Comes to Titan
Part of the southern latitudes of Saturn's moon Titan appears to have been flooded by a summer cloudburst of hydrocarbon rain, as seen in images taken before and after a large storm system. (Jan '09)
+ Read News Release

* Satellites Confirm West Antarctic Warming
A new analysis has overturned the belief that global warming in Antarctica was limited to the Antarctic Peninsula and leaving the rest of the continent little affected. (Jan '09)
+ Read News Release

* GISS Director Honored by AMS
Dr. James Hansen has been awarded the Rossby Research Medal by the American Meteorological Society for contributions to climate science and science communication. (Jan '09)
+ Read News Release

* Cooler, but Still Warm
Although global temperatures were cooled by La Niña early in the year, 2008 was among the ten warmest years since reliable recordkeeping began. (Jan/Feb '09)
+ Read Data Update and News Release

* Solar Variations and Climate
Modeling studies show that changes in solar irradiance that occur during the solar cycle have an influence on rainfall patterns, much like weighting the dice. (Jan '09)
+ Read Science Brief

News release and science briefs archives are also available for 2008, 2007, 2006, 2005, 2004, and 2003.

RESEARCH PROJECTS

Research Themes

Global Climate Modeling
GISS is a world leader in the development and use of three-dimensional general circulation models (GCMs) to study Earth's climate
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Earth Observations
Accurate input data are necessary to better model Earth's climate and to monitor trends in the atmosphere's state. A particular focus at GISS is observing global cloud coverage, and we host the International Satellite Cloud Climatology Project.
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Climate Impacts
Having modeled a potential future climate, the next step is to assess its effect on humans and ecosystems, including the economic impact of rising ocean levels and altered agriculture productivity.
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Planetary Atmospheres
Our understanding of atmospheric processes may be tested through the study of the other planets. GISS is involved in the modeling and/or observation of the atmospheres of Venus, Mars, Jupiter and Saturn.
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Paleoclimate
Examining past climates tells us about the evolution of Earth and its atmosphere. It also helps us better understand the complex models with which we base projections of future climate.
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Radiation
Atmospheric processes are ultimately driven by the Sun's energy, as solar radiation interacts with the surface, clouds, aerosols and gases. The heat emitted by Earth may also be trapped by clouds and gases.
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Atmospheric Chemistry
Reactions in the atmosphere between natural elements, man-made chemicals, radiation and the atmosphere's circulation affect us in the near term through processes such as ozone depletion and in the long term through climate change.
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