Alaska Satellite Facility
Delivering Remote Sensing Data Since 1991

Interactive map of SAR data applications

    Click for interactive
    map 
of SAR uses.

Datasets Overview

ASF DAAC data

Find Data

   ASF DAAC Data — both Open-Access and Restricted datasets

DatasetDatesFind DataCommon SubjectsFast Specs

Open access: No charge, log in and download

Most Used


ALOS PALSAR
 

2006 to 2011

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Vertex

(also see Data for Purchase below) 

Broad applications: glaciers, landslides, volcanoes, earthquakes, oil seeps, wetlands, sea ice, and more.

The RTC product is GIS-ready.

Spatial Coverage
Click to view coverage maps
The Americas and many global sites

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Current

Sentinel-1

2014-10-04 to Ongoing

Find Data
Vertex

Broad applications: volcanoes, earthquakes, glaciers, reservoir water volume, land subsidence, sea ice, flooding, oceans, and more.

Spatial Coverage
Click to view coverage maps
Global

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Current

UAVSAR
(Airborne SAR)

2008-04-28 to Ongoing

Find Data
Vertex

Select locations: oil spills, earthquakes, volcanoes, oceans, land cover, and more.

Spatial Coverage

Selected sites; for list, see Vertex Missions tab

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ERS-1
1991-08-08 to 1997-09-28Find Data
Vertex

Polar regions and processes (sea ice, Arctic, Antarctica).

Spatial Coverage
Click to view coverage map
Primarily polar, within station masks of ASF and McMurdo

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ERS-2

1995-04-20 to 2011-07-03

Find Data
Vertex

Polar regions and processes (sea ice, Arctic, Antarctica).

Spatial Coverage
Click to view coverage map
Primarily polar, within station masks of ASF and McMurdo 

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AIRSAR
(Airborne SAR)

1990 to 2004

Find Data
Vertex

Select locations: oceans, coasts, forests, deforestation, geology, hydrology, earthquakes, archeaology, and more.

Spatial Coverage

Selected sites worldwide

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Post-RAMP Antarctica Mosaics

2004 and 2007Find Data
Post-RAMP-mosaics data page

Antarctica ice sheets (emphasis on velocities): Drygalsky Ice Tongue (David Glacier), Thwaites Glacier, and Pine Island Glacier.

Spatial Coverage
Selected Antarctica ice sheets

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RAMP: Antarctica Tiles Interface
1997 and 2000Find Data
RAMP-tiles-interface page
Historic, high-resolution map of Antarctica: ice-sheet morphology, rock outcrops, research infrastructure, coastline, and more.

Spatial Coverage
Antarctica

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Sea Ice MEaSUREs
1995 to 2012Find Data
Sea Ice MEaSUREs data page
Arctic Ocean sea ice motion with three-day radar snapshots as the ice goes through dramatic changes over 11 years.

Spatial Coverage
Arctic Ocean

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Seasat  1978-06-28 to 1978-10-10Find Data
Vertex
 or ASF Seasat data page
Portions of Northern Hemisphere oceans and land; particularly useful as historic data from the first NASA SAR mission (data processed by ASF in 2013).

Spatial Coverage
Regions of Northern Hemisphere, including oceans and N. America

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SMAP

2015-04-15 to 2015-07-07

Find Data
Vertex
Soil moisture and freeze/thaw state (detailed data from 3 months in 2015). Benchmark data for flood, landslide, and drought monitoring; agricultural planning; and climate forecasting.

Spatial Coverage
Global 

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Terrestrial Ecology
2007 to 2010Find Data
ASF Terrestrial ecology data pages
Useful for seeing SAR applications for ecological research.

Spatial Coverage
42 selected field sites, such as flux tower locations 

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Wetlands MEaSUREs Varied, 1993 to 2009Find Data
ASF Wetlands MEaSUREs data page
Inundated wetlands, including their role in climate, biogeochemistry, hydrology, and biodiversity.

Spatial Coverage
Amazon, Alaska, the Americas, global (coarse resolution)

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Restricted Data Agreement required:  Applicants must reside in the U.S.  

JERS-1 1992-05-20 to 1998-10-10Find Data
Vertex
 or ASF Wetlands MEaSUREs data page for mosaics (open access)

Important forests of the world: Southeast Asia, Africa, Central America, South America (Amazon Basin), and boreal North America.

Spatial Coverage
Click to view coverage maps
Global

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RADARSAT-1
1995-02-01 to 2008-05-02Find Data
Vertex
Arctic sea ice and other broad applications: volcanoes, ocean winds, ecology, soil moisture, wetlands, flooding, and more.

Spatial Coverage
Click to view coverage maps
Global

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Some ALOS PALSAR data are not available through the DAAC

Get SAR Data

Get SAR Data

Select and download SAR data online using Vertex.

Use the ASF API for downloading SAR data via a command line.