Image from TERRA
Tue, 24 Aug 2021 13:05 EDT

Smoke from several large wildfires burning in Northern California can be seen traveling miles into the atmosphere.

Image from TERRA
Fri, 20 Aug 2021 12:00 EDT

Drought is a natural part of the climate cycle, but as Earth’s atmosphere continues to warm due to climate change, droughts are becoming more frequent, severe and pervasive. Ranchers throughout the U.S. are using data from NASA and others to care for their herds and the land during drought conditions.

Image from TERRA
Thu, 19 Aug 2021 12:09 EDT

Evapotranspiration: Watching Over Water Use

MODIS Data

MODIS image of Great Britain

MODIS website informs a broad audience about MODIS data and products.

The MODIS instrument is operating on both the Terra and Aqua spacecraft.  It has a viewing swath width of 2,330 km and views the entire surface of the Earth every one to two days. Its detectors measure 36 spectral bands between 0.405 and 14.385 µm, and it acquires data at three spatial resolutions — 250m, 500m, and 1,000m.

Along with all the data from other instruments on board the Terra spacecraft and Aqua Spacecraft, MODIS data are transferred to ground stations in White Sands, New Mexico, via the Tracking and Data Relay Satellite System (TDRSS). The data are then sent to the EOS Data and Operations System (EDOS) at the Goddard Space Flight Center. The Level 1A, Level 1B, geolocation and cloud mask products and the Higher-level MODIS land and atmosphere products are produced by the MODIS Adaptive Processing System (MODAPS), and then are parceled out among three DAACs for distribution. Ocean color products are produced by the Ocean Color Data Processing System (OCDPS) and distributed to the science and applications community.

The many data products derived from MODIS observations describe features of the land, oceans and the atmosphere that can be used for studies of processes and trends on local to global scales.   As just noted, MODIS products are available from several sources.  MODIS Level 1 and atmosphere products are available through the LAADS web.  Land Products are available through the Land Processes DAAC at the U. S. Geological Survey EROS Data Center (EDC).  Cryosphere data products (snow and sea ice cover) are available from the National Snow and Ice Data Center (NSIDC) in Boulder, Colorado.  Ocean color products and sea surface temperature products along with information about these products are obtainable at the OCDPS at GSFC.  Users with an appropriate x-band receiving system may capture regional data directly from the spacecraft using the MODIS Direct Broadcast signal. 

More information about obtaining MODIS data can be found from the information sites listed below.

MODIS Data Ordering Tools – Listed are a variety of tools and resources that can be utilized with MODIS Data. Each listing provides a link to the tool or resource and a short summary of its use.

MODIS Data Products For Novice Data Users

  • NASA Worldview – Visually explore the past and the present of this dynamic planet from a satellite’s perspective. Select from an array of stories below to learn more about Worldview, the satellite imagery we provide and events occurring around the world.

MODIS Data Products Information For Professional Data Users

MODIS News