MODIS Aqua Near Real Time Daytime Observation Pointers

MODIS/Aqua Near Real Time (NRT) L2G Daytime Pointers provide spatial relationship data between sensor observations and output grid cells. The dataset is produced by LANCEMODIS for the MODIS/Aqua instrument. It serves as input for generating higher-level products like MODIS Surface Reflectance.

Use Cases

• Extracting the most relevant sensor observation per grid cell for Level-3 processing, using the stored geometric information.
• Analyzing the spatial relationship between raw sensor observations and the Level-2G gridded product output cells.
• Supporting the generation of MODIS Surface Reflectance products by providing the necessary geometric pointers.
• Studying observation coverage and overlap patterns from the Aqua satellite's MODIS instrument.

Strengths

• Provides Near Real Time (NRT) data, enabling timely analysis.
• Designed for integration into higher-level, operational MODIS data products.

Limitations

• Specific row count, column details, and temporal coverage are not provided.
• The raw description lacks concrete metrics on data volume or spatial resolution beyond the 250m mention.

Provenance

Source

LANCEMODIS via NASA Earthdata (MODIS/Aqua instrument).

Collection Method

Satellite remote sensing data processed into Level-2G gridded observation pointers.

Time Range

Daily coverage implied; specific date range unknown.

Freshness

Near Real Time (NRT); daily updates implied by title.

Geography

Global coverage from the MODIS/Aqua satellite.