Table 1 Summary information for all predictors used for modeling cetacean abundance and distribution. The processing column indicates how were the data manipulated after extraction from sources.
Variable | Abbreviation | Units | Spatial resolution | Temporal resolution | Processing | Source |
|---|---|---|---|---|---|---|
Logarithm of Chlorophyll-a concentration | LOGCHL | mgC m-3 | 4.64 km × 4.64 km | Monthly | 3-Month average | Level 3 Aqua MODIS. ERDAP Data set ID: erdMH1chlamday |
Logarithm of Chlorophyll-a concentration Long-term | CHLLT | mgC m-3 | 4.64 km × 4.64 km | Static | 5-Year average | Based on the above logarithm of Chlorophyll-a concentration data |
Sea surface temperature | SST | °C | 1 km × 1 km | Daily | None | Level 4 multi-scale Ultra-high Resolution. ERDAP Dataset ID: jplMURSST41 |
Sea surface temperature Long-term | SSTLT | °C | 2 km × 1 km | Static | 5-Year average | Based on the above sea surface temperature data |
Sea surface temperature anomaly | SSTA | °C | 0.01° × 0.01° | Daily | None | Level 4 multi-scale Ultra-high Resolution. ERDDAP Dataset ID: jplMURSST41anom1day |
Thermal gradient | TG | °C | 10 km × 10 km | Daily | Calculated using the R package "grec"46 and rescaled to 10 km resolution | Based on the above sea surface temperature data |
Depth | DEPTH | Meters | 0.01666667° × 0.01666667° | Static | None | ETOPO1 1 arc-minute global relief model of Earth's surface. ERDDAP Data set ID: etopo360 |
Slope | SLO | Radians | 0.01666667° × 0.01666667° | Static | Calculated using the R package raster48 | Based on the above depth data |
Julian day | JD | None |
