Mastheads

Mastheads

and masthead example

Image Source

Published: September 5, 2019

Location: test

Source: test

test 1

test 1 for Sensing CO2

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test 2

CO2, N2O2, reference1

test 2

Testing sup and sub elements

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Published: September 5, 2019

Location: https://example.com/central

Source: testing

Additional Information

First POI with sub

Testing masthead page

Text for POi

Fall River Legend Masthead

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Published: January 9, 2018

Location: Fall River Legend

Source: Fall River

Additional Information

First POI with sub

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NASA it and sup

POI 2

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Science

Another Tool for Detecting Hot Spots

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Published: March 16, 2016

Location: Arabian Peninsula

Source: Suomi-NPP/VIIRS Etc

Additional Information

Using VIIRS to Find Hot Spots

The Visible Infrared Imager Radiometer Suite (VIIRS) is a key instrument on the Suomi National Polar-orbiting Partnership (Suomi-NPP) satellite. The VIIRS fire product detects areas of high heat from wildfires, oil refineries, and other sources and these are depicted as red triangles.

Explore VIIRS images using EOSDIS Worldview

The Value of VIIRS

Scientists use data from VIIRS to study a wide range of Earth processes, including cloud and aerosol properties, ocean color, sea and land surface temperature, ice motion and temperature, fires, and the Earth's albedo. VIIRS launched aboard the Suomi-NPP satellite on October 28, 2011.

See more VIIRS images

Blizzard Blankets the Rockies

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Published: November 7, 2016

Location: Colorado, USA

Source: Aqua/MODIS

Additional Information

Aftermath of a Fall Blizzard

This Moderate Resolution Imaging Spectroradiometer (MODIS) Aqua image, acquired on November 18, 2015 shows the Rocky Mountains following a powerful weather system that dropped more than 0.3 meters (12 inches) of snow along portions of the Front Range. Wind gusts of 112 km/hr (70 mph) and higher were measured during this early-season blizzard.

Explore MODIS data using Worldview

NASA's Workhorse Instrument

MODIS is a key instrument aboard NASA's Terra (1999 launch) and Aqua (2002 launch) Earth observing satellites. MODIS provides observations for the entire Earth's surface every 1 to 2 days, acquiring data in 36 spectral bands. MODIS and other remote sensing data are improving our understanding of Earth's interrelated systems.

Read more about MODIS

Sensing Particulate Matter SEDAC 15 Feb 2016

Image Source

Published: February 15, 2016

Location: Global

Source: Terra & Aqua/MODIS; Terra/MISR; SeaStar/SeaWiFS

Sensing Particulate Matter

PM2.5 refers to fine particulate matter (less than 2.5 microns in diameter) in the atmosphere. The high PM2.5 concentrations over the Arabian Peninsula are mainly due to naturally occurring dust or sea salt.

Read about this data set at NASA's Socioeconomic Data and Applications Center (SEDAC)

Potential Problems of Particulates

High PM2.5 concentrations (areas in orange and red) are known to cause or aggravate respiratory and heart problems. Air pollution is the cause of the very high PM2.5 levels over parts of India.

Read more about particulate matter

El Nino PODAAC 8-2-2016

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Published: February 8, 2016

Location: Eastern Pacific Ocean

Source: NOAA-19/AVHRR

AVHRR

The sea surface temperatures in this image are from data collected by the Advanced Very High Resolution Radiometer (AVHRR) instrument. Yellow, red, and crimson colors indicate areas of warmer sea surface temperatures.

Learn more about the AVHRR instrument

El Niño

El Niño is the name given to a period of unusually warm sea surface temperatures that develop in the central to east-central tropical Pacific Ocean. The current El Niño is one of the strongest ever recorded.

Learn more about El Niño at NASA's PO.DAAC

The Carbon Monitoring System ORNL 2-1-2016

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Published: February 1, 2016

Location: Fazenda Cauaxi, Brazil

Source: Aircraft/LiDAR

Looking at Global Carbon Sources

One-quarter of the carbon released from fossil fuel burning is taken up by vegetation and even the soil. NASA is developing new technologies and techniques, such as the Carbon Monitoring System (CMS), to better monitor and understand global carbon uptake.

Learn more about the CMS

Carbon in the Forest Canopy

Brazilian tropical forests contain approximately one-third of the global carbon stock in above-ground tropical forest biomass. Orange and red areas in this image indicate trees extending above the surrounding canopy.

Read more about this image at ORNL DAAC

Historic East Coast Snow

Image Source

Published: January 25, 2016

Location: East Coast, USA

Source: Suomi-NPP/VIIRS

Additional Information

Historic East Coast Winter Storm

January 24 was a clear day along much of the East Coast, so the white in this image is snow left behind by a powerful winter storm. According to the National Weather Service, this storm produced record snowfall in many East Coast cities, including Richmond, VA; Baltimore, MD; Harrisburg, PA; Newark, NJ; and Central Park in New York City.

See more NASA images of this storm

The Image Tells the Story

Unlike clouds, snow tends to follow terrain features. This is clearly seen in this Visible Infrared Imaging Radiometer Suite (VIIRS) image from the Suomi National Polar-orbiting Partnership (S-NPP) satellite, where the snow neatly follows the ridges of mountains in Virginia, Maryland, and Pennsylvania and stops exactly at the coastline.

Explore VIIRS images using Worldview

Flooding in Argentina

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Published: January 18, 2016

Location: Rosario, Argentina

Source: Terra/ASTER

Flooding in Argentina

Rosario, Argentina, is located 300 km (186 miles) NW of Buenos Aires, and sits on the western shore of the Parana River. Since 2015, heavy rain has displaced tends of thousands of residents from their homes in Argentina, Paraguay, and Brazil.

Read more about this image

ASTER

The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument collects data in 14 spectral bands, from the visible to the infrared. Its high spatial resolution makes it a key tool for monitoring surface changes.

Explore ASTER products at NASA's LP DAAC

Global Sea Surface Temperature 1-4-2016

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Published: January 4, 2016

Location: Earth

Source: Terra, Aqua, POES/MODIS, AMSR-E, AVHRR

Sensing Sea Surface Temperature

Measurements of SST are used for a wide range of applications and research, including forecasting weather, managing fisheries, analyzing ocean acoustic communication, and studying climate and marine life. Cooler temperatures are indicated by blues and greens; with warmer temperatures indicated by yellows and reds.

Read more about SST measurements

MUR SST

This image is a Multi-scale Ultra-high Resolution Sea Surface Temperature, or MUR SST, map of the Earth, and is made by combining measurements from multiple instruments on different satellites. It is produced by the Group for High Resolution Sea Surface Temperature (GHRSST).

Learn more about the GHRSST

Monitoring Global Carbon Monoxide

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Published: December 28, 2015

Location: Earth

Source: Aqua/AIRS

Sensing the Atmosphere from Space

Data from the Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite were used to create this image. AIRS, in conjunction with the Advanced Microwave Sounding Unit (AMSU), senses emitted infrared and microwave radiation to provide a three-dimensional look at Earth's weather and climate.

Learn more about AIRS

Bad Air Over Indonesia

Widespread forest fires led to high levels of carbon monoxide over Indonesia in mid-October, indicated by the red, brown, and purple colors in this image. These high carbon monoxide concentrations led to large parts of Indonesia being placed in a state of emergency.

Read more about this image

Studying Glaciers in Remote Areas

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Published: December 21, 2015

Location: Tibetian Plateau, China

Source: Terra/ASTER

Tibetian Plateau Glaciers

Satellite-borne sensors play a key role in studying glaciers, which often are in remote areas. This image from the ASTER instrument is part of a study looking at changes in glaciers around Lake Chem in the northwestern Tibetan Plateau, China. All glaciers in this area have decreased in size over the past 39 years.

Read more about how scientists use satellite imagery to study glaciers

ASTER

The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument launched aboard the Terra Earth observing satellite in 1999, and is a cooperative effort between NASA, Japan's Ministry of Economy, Trade and Industry (METI), and Japan Space Systems.

See more ASTER data

Chilean Earthquake Interferogram

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Published: December 14, 2015

Location: Chile

Source: Sentinel-1A/SAR

Imaging an Earthquake

This interferogram shows the displacement of land after an 8.3M earthquake occurred near Santiago, Chile, on 09/16/2015. Each complete color cycle equals 8.5 cm of motion. Image: F. Meyer, W. Gong 2015; contains modified Copernicus Sentinel data 2015.

Learn more about SAR

Sentinel-1A

The European Space Agency Sentinel-1A satellite was launched on 04/03/2014, and carries a C-band SAR. Sentinel-1A data are available through NASA's Alaska Satellite Facility Distributed Active Archive Center (ASF DAAC).

Explore Sentinel-1A data

Mount Kilimanjaro

Image Source

Published: December 7, 2015

Location: Mount Kilimanjaro, Tanzania

Source: Space Shuttle Endeavour/Radar

The Highest Mountain in Africa

The colors in this image from the Shuttle Radar Topography Mission (SRTM) represent elevation, with higher elevation indicated by yellows, reds, and whites. Mount Kilimanjaro is the large white area on the right, and has an elevation of 5,895 meters (19,341 ft).

Download SRTM data from NASA's Land Processes Distributed Active Archive Center (LP DAAC)

The Shuttle Radar Topography Mission

NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) SRTM 1-arc-second data were used to create this shaded relief image of Mount Kilimanjaro.

Read more about the SRTM

Cities, Traffic & CO2

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Published: November 30, 2015

Location: United States

Source: Oak Ridge National Laboratory DAAC

Tracking CO2 Emissions

The Database of Road Transportation Emissions (DARTE) shows that urban areas accounted for 63% of total vehicle CO2 emissions in the continental U.S. in 2012. Areas with the highest CO2 emissions are in red; areas with lower CO2 emissions are in green and white.

Explore DARTE data at NASA's ORNL DAAC

NASA's Carbon Monitoring System

DARTE is part of NASA's Carbon Monitoring System (CMS), which is designed to make significant contributions in characterizing, quantifying, understanding, and predicting the evolution of global carbon sources and sinks through improved monitoring of carbon stocks and fluxes.

Read more about NASA's Carbon Monitoring System

Phytoplankton in the North Atlantic

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Published: November 16, 2015

Location: Iceland, North Atlantic Ocean

Source: Suomi-NPP/VIIRS

The Living Sea

The swirling bluish-green colors around Iceland are living organisms called phytoplankton, which form the base of the ocean food pyramid. Satellite images of ocean color make it easy to detect these large phytoplankton blooms.

See more ocean color images

Imaging the Earth with VIIRS

The joint Suomi-NPP Visible Infrared Imaging Radiometer Suite (VIIRS) collects visible and infrared imagery and radiometric measurements of the land, atmosphere, cryosphere, and oceans. VIIRS data are used to measure cloud and aerosol properties, ocean color, sea and land surface temperature, ice motion and temperature, fires, and Earth's albedo.

Get VIIRS and other ocean color data from NASA's Ocean Biology Distributed Active Archive Center

Global Environmental Performance Index

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Published: November 9, 2015

Location: Global

Source: Environmental Performance Index

Evaluating environmental performance

SEDAC's Environmental Performance Index (EPI) ranks 178 countries on 20 performance indicators in 9 policy categories: health impacts, air quality, water and sanitation, water resources, agriculture, forests, fisheries, biodiversity and habitat, and climate and energy. Map credit: CIESIN Columbia University, November 2014.

Read more about the EPI

Looking at our global society

NASA's Socioeconomic Data & Applications Center (SEDAC) is one of 12 discipline-specific Earth Observing System Data and Information System (EOSDIS) Distributed Active Archive Centers (DAACs). It is hosted by the Center for International Earth Science Information Network (CIESIN) at Columbia University.

Explore SEDAC data and products

Masthead Nov 2 2015 SST

Image Source

Published: November 2, 2015

Location: Global

Source: NOAA-16, 17, 18, 11, 7, 9, 14/AVHRR-3 & AVHRR-2

Additional Information

El Niño 2015

The El Niño-Southern Oscillation (ENSO) is a quasi-periodic fluctuation of warmer than normal ocean temperatures in the equatorial Pacific and can clearly be seen in this image by the dark red colors stretching to the west off the coast of South America. According to NASA's PO.DAAC, this year's El Nino is one of the strongest on record.

Read more about this year's El Niño.

Measuring Global Sea Surface Temperature

Sea Surface Temperature (SST) is a measure of the energy due to the motion of molecules at the top layer of the ocean. SST measurements are taken by instruments aboard several orbiting satellites, including NASA's Terra and Aqua.

Read more about SST data.

Hurricane Patricia and Hurricane Olaf

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Published: October 23, 2015

Location: Pacific Ocean

Source: Terra/MODIS

Additional Information

Hurricane Patricia

Category 5 Hurricane Patricia is expected to make landfall on Mexico’s Pacific coast near Puerto Vallarta the evening of October 23 with estimated winds of 322 km/h (200 mph), then rapidly weaken as it moves inland.

Explore Hurricane Patricia on Worldview

Hurricane Olaf

Category 3 Hurricane Olaf, with winds of 193 km/h (120 mph), is expected to stay east of the Hawaiian Islands as it slowly churns NNE and weakens to a tropical storm by early next week.

Explore Hurricane Olaf on Worldview

Earthdata Masthead Oct 19 2015 Ural Mountains

Image Source

Published: October 19, 2015

Location: Ural Mountains, Russia

Source: Terra/ASTER

Additional Information

Imaging Earth with ASTER

Data from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument are used to create detailed maps of surface temperature, reflectance, and elevation. Image: NASA/GSFC/METI/Japan Space Systems & U.S./Japan ASTER Science Team.

See more NASA ASTER images

The Ural Mountains

The Ural Mountains stretch roughly 2,500 km (1,600 miles) across western Russia, from the Arctic Ocean to the Ural River and northwestern Kazakhstan. The Urals form the boundary between the continents of Europe and Asia.

Download ASTER data at NASA's LP DAAC

OCO-2

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Published: October 13, 2015

Location: Earth

Source: OCO-2/Spectrometer

Additional Information

Measuring global atmospheric CO2

This image shows averaged atmospheric carbon dioxide between Oct. 1 and Nov. 11, 2014, and is the first global map from NASA's Orbiting Carbon Observatory-2 (OCO-2). Red and orange colors indicate higher carbon dioxide concentrations. Image: NASA/JPL-Caltech.

Learn more about the OCO-2 mission.

The OCO-2 mission

NASA's OCO-2 satellite launched on July 2, 2014, to collect measurements of atmospheric carbon dioxide with the precision, resolution, and coverage necessary to characterize the sources and sinks of carbon dioxide and quantify the variability of carbon dioxide over seasonal cycles.

Explore OCO-2 data at NASA's GES DISC

Precipitation from Hurricane Joaquin

Image Source

Published: October 6, 2015

Location: US Atlantic Coast

Source: GPM/IMERG

Historic Precipitation in South Carolina

This image of estimated precipitation from 9/26 through 10/5 is generated from the Integrated MultisatellitE Retrievals for GPM (IMERG) data product. Parts of South Carolina received more than 600 mm (24 in) of rain during this period. Image: SSAI/NASA GSFC.

Read more about this image

Measuring Global Precipitation

The joint NASA/Japan Aerospace Exploration Agency Global Precipitation Measurement (GPM) Core Observatory collects global precipitation data from 65˚ north and south latitude, and can collect data about storms as they form in the tropics and move to more temperate latitudes.

GPM

IMERG global precipitation image

Image Source

Published: October 2, 2015

Location: Earth

Source: GPM/IMERG

Tracking Joaquin’s Precipitation

This precipitation image is generated from the Integrated Multi-SatellitE Retrievals for GPM (IMERG) data product, which provides daily images of global precipitation. Data for this image are collected by the joint NASA/Japan Aerospace Exploration Agency Global Precipitation Measurement (GPM) Core Observatory.

GPM extreme weather images

Atlantic Hurricanes

Based on 30-year climatology, four named storms typically form in the Atlantic in September, with two or three storms becoming hurricanes and one or two reaching major hurricane strength (like Hurricane Joaquin).

Worldview

Looking at Lightning

Image Source

Published: September 28, 2015

Location: Global

Source: TRMM/Lightning Imaging Sensor (LIS)

Sensing Lightning from Space

The Lightning Imaging Sensor (LIS) was one of five instruments aboard NASA's Tropical Rainfall Measuring Mission (TRMM), which orbited from 1997 to 2015. LIS detected the distribution and variability of total lightning occurring in tropical regions. A LIS is scheduled for launch in 2016 for installation on the International Space Station.

See LIS data at the Global Hydrology Resource Center Distributed Active Archive Center (GHRC DAAC)

Lots of Lightning

This image is a composite of lightning data collected by the Lightning Imaging Sensor (LIS) between January 1998 and October 2014. Over more than 16 years, the sensor recorded more than 1.16 billion lightning events and more than 22 million lightning flashes. Darker colors (grays and blacks) indicate areas of heavy lightning activity.

Learn more about the LIS instrument

Looking at Global Carbon Production

Image Source

Published: October 26, 2015

Location: Earth

Source: Terra & Aqua/MODIS

The Carbon Monitoring System (CMS)

The NASA CMS aims to characterize, quantify, understand, and predict the evolution of global carbon sources and sinks through the monitoring of carbon stocks and changes.

Explore CMS data at NASA's ORNL DAAC

Global Net Primary Production (NPP)

The CMS data set provides global estimates of carbon fluxes associate with annual crop NPP and harvested biomass, annual uptake and release by humans and livestock, and the total annual estimate of net carbon exchange from these carbon fluxes.

Read more about this image