HOT DOGS Data Visualization

Watch this video to learn what HOT-DOGS is all about.

Station ALOHA is a multidisciplinary hydrostation situated in the North Pacific subtropical gyre.  A host of biological and chemical variables have been measured at this site on a near-monthly basis since October 1988.  Such data sets provide a rare and valuable opportunity to analyze fundamental geophysical dynamics and ecosystem processes.  Fortunately, these data are available for online public access and can be downloaded for students to explore a wide range of research questions.


  1. Navigate to


  1. From the menu at the top of the screen, go to Vertical Profiles > Display > Bottle
  2. Enter cruise number (178, for February 2006), station (2, for ALOHA);
    leave cast numbers blank
  3. Enter axis variables:
    1. X-axis: “Nitrate + Nitrite
    2. Y-axis: “Pressure
    3. C-axis: leave blank
  4. Set Output type as a “text”
  5. Click “Submit Query;”  The data will be displayed as follows:


  1. Highlight the displayed data (CTRL+A) and copy it (CTRL+C)


  1. Open a new document in your text editor (Notepad, WordPad, TextEdit; usually in your utilities or accessories folder)
  2. Paste the data into the new document (CTRL+V).
  3. Save the file on the desktop or in an easy-to-find folder


  1. Repeat this procedure for Phosphate (Choose “Phosphate” for the X-axis in Data Visualization step 4-a)
  2. Continue on to BATS Data Visualization


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