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Topics
Topics

Recognizing the connections between interdependent Earth systems is critical for understanding the world in which we live.

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Atmosphere

Atmosphere

The atmosphere is a gaseous envelope surrounding and protecting our planet from the intense radiation of the Sun and serves as a key interface between the terrestrial and ocean cycles.

Biosphere

Biosphere

The biosphere encompasses all life on Earth and extends from root systems to mountaintops and all depths of the ocean. It is critical for maintaining species diversity, regulating climate, and providing numerous ecosystem functions.

Cryosphere

Cryosphere

The cryosphere encompasses the frozen parts of Earth, including glaciers and ice sheets, sea ice, and any other frozen body of water. The cryosphere plays a critical role in regulating climate and sea levels.

Human Dimensions

Human Dimensions

The human dimensions discipline includes ways humans interact with the environment and how these interactions impact Earth’s systems. It also explores the vulnerability of human communities to natural disasters and hazards.

Land Surface

Land Surface

The land surface discipline includes research into areas such as shrinking forests, warming land, and eroding soils. NASA data provide key information on land surface parameters and the ecological state of our planet.

Ocean

Ocean

This vast, critical reservoir supports a diversity of life and helps regulate Earth’s climate.

Solid Earth

Solid Earth

Processes occurring deep within Earth constantly are shaping landforms. Although originating from below the surface, these processes can be analyzed from ground, air, or space-based measurements.

Sun-Earth Interactions

Sun-Earth Interactions

The Sun influences a variety of physical and chemical processes in Earth’s atmosphere. NASA continually monitors solar radiation and its effect on the planet.

Terrestrial Hydrosphere

Terrestrial Hydrosphere

The terrestrial hydrosphere includes water on the land surface and underground in the form of lakes, rivers, and groundwater along with total water storage.
Learn
Learn

Whether you are a scientist, an educator, a student, or are just interested in learning more about NASA’s Earth science data and how to use them, we have the resources to help. Get information and guides to help you find and use NASA Earth science data, services, and tools.

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Making NASA's free and open Earth science data interactive, interoperable, and accessible for research and societal benefit both today and tomorrow.

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competitive programs

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interagency implementation and advanced concepts team (IMPACT)

earth science data and information system (ESDIS) project

earth observing system data and information system (EOSDIS)

distributed active archive centers (DAACS)

system performance and metrics

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Earthdata
Topics
Atmosphere
Atmospheric Chemistry

Atmospheric Chemistry

Measurements of chemical constituents in the atmosphere including the major (non-H2O) greenhouse gases (CO2, CH4, CFC, N2O).

Definition source: LibreTexts

Sub-Topics

Carbon And Hydrocarbon Compounds |
Hydrogen Compounds |
Nitrogen Compounds |
Oxygen Compounds |
Sulfur Compounds |
Trace Gases/Trace Species

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Worldview Image of the Week

The image above shows the troposphere - the lowest 20 km of the Earth's atmosphere.

Article

Mar 9, 1997

The image above shows the approximate location of the Aurora Borealis in relation to the mesosphere and thermosphere.

Article

Mar 9, 1997

UARS: A Model Data Set

The image above shows how researchers selected global eight-kilometer AVHRR Pathfinder data from the Goddard Space Flight Center DAAC to perform their studies on carbon storage and plant growth.

Article

Mar 9, 1997

Carbon Conundrum

The image above shows the northern lights (Aurora Borealis) as seen during long winter nights of the high latitude boreal forests.

Article

Mar 9, 1996

Silvus Borealis

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