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Where Are the Fishes?

Explore acoustic backscatter data to find fish in the U.S. Atlantic Ocean.

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10 Tasks1,500 XP

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Project Description

In this project, you will explore two georeferenced data files collected from an echosounder to determine where fish were along a track line in the Mid-Atlantic Bight (US). Marine ecologists use sound reflections to “see” different types of organisms in the water column and to determine the depth of the seafloor. You are going to load, clean, and plot bathymetric data (depth of the seafloor) to examine the shelf break, and the mean volumetric backscatter (Sv, dB re 1 m) along a transect in the Mid-Atlantic Bight area of the North Atlantic Ocean to find fishes. To complete this project you should be comfortable working in the Tidyverse, plus working with dates and times and writing functions.

Project Tasks

  1. 1
    Backscatter - remote sensing in the ocean
  2. 2
    What is the "shelf break"?
  3. 3
    Where ever you go, there you are
  4. 4
    Here fishy, fishy, fishy...
  5. 5
    That's a lot of variables!
  6. 6
    A little more wrangling
  7. 7
    Can't go spatial? Go temporal
  8. 8
    Depth of an Interval
  9. 9
    Putting it all together
  10. 10
    So, where are the fishes?
Technologies
R R
Topics
Data ManipulationData VisualizationImporting & Cleaning Data
Erin LaBrecque Headshot

Erin LaBrecque

Instructor at DataCamp
Erin is a marine geospatial research ecologist who combines physical and biological spatiotemporal data to understand marine ecosystems. She received her Ph.D. in Marine Science and Conservation from Duke University and is passionate about science communication and data visualization. When she is not playing with environmental and species datasets, Erin can be found hiking with her dog.
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