Welcome

My name is Hansen Johnson. I'm a PhD student at Dalhousie University, and a guest student at the Woods Hole Oceanographic Institution where I'm advised by Dr. Chris Taggart and Dr. Mark Baumgartner, respectively. I study baleen whale acoustic and habitat ecology in the Northwest Atlantic. I use this site to share some aspects of my research and some helpful tools of the trade. Occasionally I also write posts about things I think are worth remembering or sharing. If you're interested in any of this stuff, please don't hesitate to get in touch!

Recent Posts

Here are a few ideas I think are worth remembering or sharing. Click the link below for the full archive.

More Posts

A quick example of how to generate an interactive, stand-alone html map using mainly the leaflet package

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Use R and command line tools to create a movie from a series of plots.

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A comparison between oce and ggmap for plotting simple maps with contours (bathymetry), lines, points, and polygons

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Right whale map

These are the latest sightings and acoustic detections of right whale in Atlantic Canada over the last 2 weeks. I built this summary map as well as a more comprehensive interactive map to help collate, interpret, and disseminate right whale survey information in the region. For more information, head to the WhaleMap website, or my description here.