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Description

This data set contains bathymetry of Arctic fjords and Antarctic ice shelves based on measurements from IceBridge Sander AIRGrav L1B Geolocated Free Air Gravity Anomalies (IGGRV1B) and IceBridge LDEO Gravimeter Suite L1B Geolocated Free Air Gravity Anomalies (IGLGS1B). The data were collected as part of Operation IceBridge funded aircraft survey campaigns.

Version Description

Initial release

Product Summary

Platforms
G-V ,
NASA DC-8 ,
P-3B
Instruments
LGS ,
AIRGrav
Projects
MULTI_NASA ,
OIB
Spatial Extent

N: 83 S: 61 E: -17 W: -70

,

N: -65 S: -75 E: 155 W: -135

Spatial Reference System(s)
Multiple EPSG codes (see User Guide)
Location
ANTARCTICA ,
GREENLAND
Coordinate System
CARTESIAN
Granule Spatial Representation
GEODETIC
Temporal Extent
2010-01-01 to 2019-11-19
Temporal Resolution
Varies
Concept ID
C4112376069-NSIDC_CPRD
Data State
COMPLETE
Number of Files/Granules
7
Processing Level
4
Published
Updated
Science Keywords
Bathymetry

Citation

Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.

Copy Citation

Tinto, K., Bell, R. E., & Cochran, J. R. (2026). IceBridge Gravimeter L4 Bathymetry, Version 1 [Data set]. NASA National Snow and Ice Data Center Distributed Active Archive Center. https://doi.org/10.5067/DQVUVQCRYAM4 Date Accessed: 2026-11-03

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