Duke Models for the U.S. Gulf of Mexico

Model History for Sperm whale (Physeter macrocephalus)

These files are © 2015-2023 Marine Geospatial Ecology Lab and licensed under a Creative Commons Attribution 4.0 International License. If you use them in a scientific publication or technical report, we kindly request that you cite the documentation listed for the model you use.

Version 4.2 - 2015-05-14

Updated calculation of CVs. Switched density rasters to logarithmic breaks. No changes to the model. Model files released as supplementary information to Roberts et al. (2016).

Documentation

Name: Roberts et al. (2016)
Citation: Roberts JJ, Best BD, Mannocci L, Fujioka E, Halpin PN, Palka DL, Garrison LP, Mullin KD, Cole TVN, Khan CB, McLellan WM, Pabst DA, Lockhart GG (2016) Habitat-based cetacean density models for the U.S. Atlantic and Gulf of Mexico. Scientific Reports 6: 22615. doi: 10.1038/srep22615

Name: Density Model Supplementary Report
Citation: Roberts JJ, Best BD, Mannocci L, Fujioka E, Halpin PN, Palka DL, Garrison LP, Mullin KD, Cole TVN, Khan CB, McLellan WM, Pabst DA, Lockhart GG (2016) Density Model for Sperm Whale (Physeter macrocephalus) for the U.S. Gulf of Mexico Version 4.2, 2015-05-14, and Supplementary Report. Marine Geospatial Ecology Lab, Duke University, Durham, NC

Version 4.1 - 2015-02-02 (unreleased)

Updated the documentation. No changes to the model.

Version 4 - 2015-01-09 (unreleased)

Added three missing sightings and refitted models.

Version 3 - 2014-11-22 (unreleased)

Adjusted Without Belly Observer detection function to be consistent with change to East Coast model. Removed CumVGPM180 predictor. Updated documentation.

Version 2 - 2014-10-16 (unreleased)

Adjusted detection functions to be consistent with East Coast model. Updated distance to eddy predictors using Chelton et al.'s 2014 database. Removed wind speed predictor; it was not ecologically justified. Fixed missing pixels in several climatological predictors, which led to not all segments being utilized. Added documentation.

Version 1 - 2014-08-06 (unreleased)

Initial version.

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