Glacier Bay Murrelet Survey Raw Observations for 2014

The Department of the Interior provides raw field observation data from the 2014 Glacier Bay, Alaska murrelet survey. Data were recorded directly into an ArcGIS file geodatabase via a custom application on laptops and iPads. The dataset includes murrelet bird group observations, their relation to line transects, covariates, tracklogs, and GPS points.

Use Cases

• Modeling murrelet population density based on line transect observations.
• Analyzing bird group behavior and distribution in relation to GPS tracklogs.
• Studying the impact of environmental covariates on murrelet sightings.
• Developing or validating geospatial survey methodologies for ecological monitoring.

Strengths

• Data are stored in their original raw form and are never edited, preserving field integrity.
• Includes multiple related data types: observations, covariates, tracklogs, and GPS points.
• Collected via a standardized custom application on field devices.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

Department of the Interior

Collection Method

Field surveys with data recorded directly into an ArcGIS file geodatabase via a custom application.

Time Range

Survey year 2014

Freshness

Last updated 2026-03-04 01:12:42.023590; freshness should be verified.

Geography

Glacier Bay, Alaska