Laser Vegetation Imaging Sensor (LVIS) imagery captures surface elevation data over Greenland. The dataset was collected by NASA's Goddard Space Flight Center (GSFC) and managed by the SCIOPS organization, with a final update in December 2009. It provides high-resolution altimetry measurements for cryospheric studies.
Use Cases
- Model ice sheet surface elevation using LVIS-derived range and return waveform data.
- Monitor glacial surface change over time by comparing LVIS elevation profiles from different campaigns.
- Validate satellite-based altimetry products like ICESat with higher-resolution airborne lidar measurements.
- Study surface roughness and vegetation structure in peripheral ice-free areas from return intensity information.
Strengths
- Data originates from NASA's LVIS instrument, a recognized airborne lidar system.
- Provides specific coverage over the Greenland ice sheet, a critical region for climate studies.
- Finalized dataset with a known collection date of 2009.
Limitations
- Data is from 2009 and may not reflect current ice sheet conditions.
- Specific row count, file size, and column details are unavailable for assessing scope.
- Limited to a single collection campaign over Greenland, lacking temporal breadth.
Provenance
- Source
- NASA Goddard Space Flight Center (GSFC), SCIOPS.
- Collection Method
- Collected via the airborne Laser Vegetation Imaging Sensor (LVIS) instrument.
- Time Range
- Collection finalized in 2009.
- Freshness
- Static dataset last updated on 2009-12-31.
- Geography
- Greenland.