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Cross-section of visualization showing differences in oceanic mixed-layer depth
05.21.19 - Impact of Satellite Sea Surface Salinity Observations on ENSO Predictions
According to research run at the NASA Center for Climate Simulation (NCCS), assimilating satellite sea surface salinity from NASA’s Aquarius and SMAP satellite instruments improves the analyses of the near-surface density and the mixed layer depth.
Aerial image of Tanana Valley, Alaska, boreal forest
05.16.19 - NCCS Systems Empower Boreal Forest Study Using Airborne and Satellite Data
Empowered by NASA Center for Climate Simulation (NCCS) high-performance computing resources, NASA Goddard scientists studied the 3D structure of boreal forests using high-resolution airborne and satellite data.
Artist's rendering of a meteor disintegrating as it enters the Earth's atmosphere
05.03.19 – Don’t Panic: Scientists are Practicing for a Killer Asteroid Impact
NASA Advanced Supercomputing (NAS) Division researcher Lorien Wheeler modeled millions of potential impact scenarios for a tabletop exercise exploring possible damage by a fictional asteroid, at the International Academy of Astronautics’ Planetary Defense Conference April 29–May 3, 2019 in College Park, Maryland.
Satellite image of dust over Africa
05.01.19 - Choking on Saharan Dust
A new analysis supported by the NASA Center for Climate Simulation (NCCS) suggests that exposure to mineral dust may be a bigger cause of premature death in Africa than previously thought.
Photo of Marie Denison
04.30.19 – NASA Researcher on the Driving Force Behind Aerospace Innovation
Marie Denison, a research scientist in the NASA Advanced Supercomputing (NAS) Division, talks about her work in computational physics and the importance of research collaboration. Denison will be a speaker at the Women of Silicon Valley event May 2-3, 2019 in San Francisco, California.
Cross-section of plot illustrating the impact of additionally assimilating satellite soil moisture observations
04.29.19 - Assimilation of Satellite Soil Moisture for Improved Atmospheric Reanalyses
Based on experiments spanning the summer of 2013, NASA's Global Modeling and Assimilation Office finds that the use of soil moisture observations in the reanalysis resulted in regional improvements in near-surface atmospheric conditions. The experiments ran at the NASA Center for Climate Simulation (NCCS).
Photo of Thwaites Glacier
04.25.19 - Antarctica's Effect on Sea Level Rise in Coming Centuries
How will Antarctica's melting ice sheet affect sea level rise hundreds of years in the future? Scientists now have a more accurate model to answer this question and ran it on the NASA Advanced Supercomputng (NAS) Facility's Pleiades supercomputer.
Photo of agriculture crop irrigation system spraying water at sunset.
04.22.19 - NCCS Hosts GISS ModelE Simulations Assessing the Impacts of Irrigation on Climate
Using the NASA Center for Climate Simulation (NCCS) Discover supercomputer, Washington State University, New York University, and NASA Goddard Institute for Space Studies (GISS) researchers ran multi-decade simulations to identify the distinct impacts of irrigation on the Earth's climate.
Simulation of two black holes spiralling together towards merger
04.18.19 - Spacetime Simulations and the Discovery of Gravitational Waves
Simulations run on NASA supercomputers and stunning visualizations by the NASA Advanced Supercomputing (NAS) team were key to the research leading to the first-ever gravitational wave detection.
Image of Pluto and Charon
04.10.19 - Scientists Simulate Pluto–Charon Satellite System on NCCS Discover Supercomputer
To determine if Pluto and its largest moon Charon could have more than four smaller moons orbiting them, Smithsonian Astrophysical Observatory and University of Utah astrophysicists ran 275 simulations at the NASA Center for Climate Simulation (NCCS).
Simulated convective clouds in GEOS model
04.10.19 - A Scale-Aware Representation of Convection in the GEOS Model
Recently updated parameterizations estimating convection and shallow cumulus clouds, along with evolving development of the finite-volume cubed-sphere (FV3) dynamical core, have led to a unique scale-aware capability for the GEOS model. Implementation in the GEOS forecasting system, which runs at the NASA Center for Climate Simulation (NCCS), is estimated for summer 2019.
Density of Loon balloon observations and other information
03.26.19 - Using Loon Stratospheric Balloon Observations in Global Assimilation
Assimilating three months of wind measurements from experimental super-pressure balloons into the NASA GEOS global data assimilation system (DAS) signficantly improves analyses of tropical winds. The DAS runs at the NASA Center for Climate Simulation (NCCS).
Section of Galactic center visualization
03.22.19 - Galactic Center Visualization Delivers Star Power
By combining NASA Ames supercomputer simulations with data from NASA's Chandra X-ray Observatory, a new immersive, ultra-high-definition visualization provides a fresh perspective on what is happening in and around the center of the Milky Way.
Screenshot of the CREATE-V tool showing air temperature on September 19, 2018
03.19.19 - NCCS Computing Capabilities Enable Calculating a Multi-Reanalysis Ensemble
The NASA Center for Climate Simulation (NCCS) Collaborative REAnalysis Technical Environment (CREATE) has collected all of the major modern reanalyses and an ensemble average of key variables in one site.
Visualization of carbon fluxes in North and South America
03.05.19 - Learning and Simulating the Earth’s Water Cycle with NCCS Resources
Using machine learning with the NASA Land Information System (LIS) and NASA Center for Climate Simulation (NCCS) supercomputing resources, scientists are extracting more information from satellite observations to better predict the global water cycle and monitor water’s role in Earth’s ecosystems.
Image of crab nebula
02.19.19 – Modular Design Increases Energy Efficiency
NSCW Editor Robert Roe speaks to Bill Thigpen, Advanced Computing Branch Chief for the NAS Division, to get an update on NASA's energy-efficient modular supercomputing approach.
Birds on branch in Amazon rainforest
02.19.19 – What Machine Learning Can Tell Us About Climate Change
A NASA study shines new light on how climate change may affect the Amazon rainforest. Machine learning expert Kamalika Das, at NASA's Ames Research Center, ran her simulations on the Pleiades supercomputer to develop her optimization-based models.
U.S. maps showing visualizations of results from land surface model simulations
02.19.19 - NCCS and NOAA Supercomputers Help Scientists Quantify the Components of Land Water Evaporation
Using NASA Center for Climate Simulation (NCCS) and National Oceanic and Atmospheric Administration (NOAA) supercomputers, NASA scientists ran multi-decade land surface model simulations to investigate uncertainties in quantifying the components of terrestrial evaporation (ET)—a key factor in determining how much water is available on land for agriculture.
SC18 logo
02.05.19 - NCCS and NAS Enable ‘Pulsar in a Box’ Simulations
NASA Center for Climate Simulation (NCCS) and NASA Advanced Supercomputing (NAS) Facility supercomputers enabled groundbreaking simulations of spinning neutron stars—called pulsars—that trace the paths of charged particles in magnetic and electric fields surrounding the stars.
Air taxi simulation
01.31.19 - NAS Innovations Highlighted in NASA Tech Briefs
NAS Division researcher Patricia Ventura Diaz' stunning visualization of a concept air taxi graced the cover of the January 2019 issue of Tech Briefs NASA is studying Urban Air Mobibility (UAM) vehicles for revolutionizing human air transportation. Also featured in this issue: NAS aerospace engineer Stuart Rogers' Pegausus 5 software transforms how commercial jetliners are built.

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