Skip to main content

Description

Sentinel-1A, the first satellite in the Sentinel-1 constellation, was launched April 3, 2014. The Sentinel-1 satellites (Sentinel-1A, Sentinel-1B, and Sentinel-1C) are sun-synchronous polar-orbiting satellites that operate day and night performing C-band synthetic aperture radar (SAR) imaging. The Sentinel-1 satellites operate in four imaging modes with different resolutions (down to 5 meters) and coverage (up to 400 kilometers). The Sentinel-1 satellites provide dual polarization capability and short revisit times.

Sentinel-1A Level 0 products consist of compressed and unprocessed instrument source packets, with additional annotations and auxiliary information to support processing. Level 0 products are the basis from which all other high level products are produced. They are compressed using Flexible Dynamic Block Adaptive Quantization (FDBAQ) which provides a variable bit rate coding that increases the number of bits allocated to bright scatterers. For the data to be usable, it will need to be decompressed and processed using focusing software.

Level 0 data includes noise, internal calibration and echo source packets as well as orbit and attitude information.

he products in this collection are ISO compliant XML metadata created by the Alaska Satellite Facility Distributed Active Archive Center from the associated Sentinel-1A SAFE format product.

Product Summary

Platforms
Sentinel-1A
Instruments
C-SAR
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2014-04-03 to Present
Concept ID
C1214470532-ASF
Data State
ACTIVE
Number of Files/Granules
2350221
Processing Level
Not provided
Published
Updated
Science Keywords
Reforestation ,
Terrestrial Ecosystems ,
Permafrost ,
Rock Glaciers ,
Glacier Elevation/Ice Sheet Elevation ,
Glacier Motion/Ice Sheet Motion ,
Glacier Thickness/Ice Sheet Thickness ,
Glacier Topography/Ice Sheet Topography ,
Glaciers ,
Ice Sheets ,
Icebergs ,
Ice Deformation ,
Ice Depth/Thickness ,
Ice Edges ,
Ice Extent ,
Ice Floes ,
Ice Growth/Melt ,
Ice Roughness ,
Ice Temperature ,
Ice Types ,
Icebergs ,
Leads ,
Pack Ice ,
Polynyas ,
Reflectance ,
Sea Ice Motion ,
Ice Extent ,
Ice Growth/Melt ,
Ice Motion ,
Ice Velocity ,
Lake Ice ,
Permafrost ,
River Ice ,
Snow Cover ,
Landslides ,
Aeolian Landforms ,
Coastal Landforms ,
Fluvial Landforms ,
Glacial Landforms ,
Karst Landforms ,
Tectonic Landforms ,
Land Use/Land Cover Classification ,
Landscape Ecology ,
Landscape Patterns ,
Landscape Processes ,
Reforestation ,
Surface Roughness ,
Terrain Elevation ,
Topographic Effects ,
Barrier Islands ,
Beaches ,
Deltas ,
Dunes ,
Estuaries ,
Fjords ,
Inlets ,
Lagoons ,
Mangroves ,
Marshes ,
Rocky Coasts ,
Shorelines ,
Wind Waves ,
Surface Winds ,
Ice Deformation ,
Ice Depth/Thickness ,
Ice Edges ,
Ice Extent ,
Ice Floes ,
Ice Roughness ,
Ice Types ,
Icebergs ,
Leads ,
Pack Ice ,
Polynyas ,
Sea Ice Motion ,
Glacial Landforms ,
Caldera ,
Cinder Cone ,
Faults ,
Folds ,
Geyser ,
Graben ,
Horst ,
Lava Dome ,
Lava Plain ,
Maar ,
Mountains ,
Plateau ,
Ridge ,
Rift Valley ,
Tuya ,
Volcano ,
Tectonic Landforms ,
Earthquakes ,
Earthquakes ,
Plate Tectonics ,
Plate Tectonics ,
Volcanic Activity ,
Volcanic Activity ,
Glacier Elevation/Ice Sheet Elevation ,
Glacier Motion/Ice Sheet Motion ,
Glacier Topography/Ice Sheet Topography ,
Glaciers ,
Ice Sheets ,
Icebergs ,
Ice Extent ,
Ice Growth/Melt ,
Ice Motion ,
Ice Velocity ,
Lake Ice ,
Permafrost ,
River Ice

Documents

No Results

QUESTIONS & SUPPORT

Have a question?

Get help with NASA Earth science data, datasets, tools, services, and metadata on the Earthdata Forum. Experienced staff in the data user community review and answer questions.

Get help on Earthdata Forum
Earthdata
Forum