LMG9803A: Antarctic Research Vessel Underway Data from 1998

Leg LMG9803A on the NSF-supported research icebreaker R/V Laurence M. Gould collected underway data for global change studies. The vessel operates year-round in support of the U.S. Antarctic Program, focusing on biological, chemical, physical, and oceanographic disciplines. This specific leg started and ended at Punta Arenas, Chile.

Use Cases

• Analyzing oceanographic conditions during Antarctic transit based on underway data collection.
• Studying temporal patterns in physical or chemical ocean properties based on time-series data.
• Correlating biological observations with environmental parameters collected by the research vessel.
• Modeling ship-track data for route analysis or logistical planning in polar regions.

Strengths

• Data originates from a dedicated NSF-supported research icebreaker, suggesting institutional credibility.
• The dataset is associated with multidisciplinary global change studies in a critical polar region.
• A specific collection date (1998-05-05) is provided for the leg's data.

Limitations

• Last updated 1998-05-05 23:59:59.999000; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

SCIOPS via NASA Earthdata

Collection Method

Underway data collected by instruments aboard the R/V Laurence M. Gould research vessel.

Time Range

1998 (specific leg LMG9803A)

Freshness

1998-05 05

Geography

Antarctic region, transit starting and ending at Punta Arenas, Chile