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How to Use Deep-sea Debris Database

In the Deep-sea Debris Database, you can find categorized debris based on the videos and photos, the points where debris have been found by dive surveys, and videos and photos that show debris sunken to deep seafloor.
Usage of the database is as follows.

1. Data List

  1. Screen Layout

    Data Tree is located on the left side on the screen. It helps you to narrow down the data entries by choosing categories of debris types; it makes you easy to find data you are looking for.
    Data List is located on the right side on the screen. List tab is selected at first, and data entries fitting the selected category in the Data Tree will be shown. By switching to Map tab, you can view a map plotted with the points where debris were found by dive surbeys.

  2. Data Tree

    By selecting a category in Data Tree, all of the data included in the category will be shown in List tab. In addition, by selecting another category under the category, you can narrow down the data more.
    The figures shown in parentheses next to category names show numbers of all data entries classified under each category.

  3. List tab

    All data included in the category you have selected are shown in Data List. You can click an image to go to a page that shows more detailed information.
    You can also click "Map" to see its point where the debris has been seen.

  4. Map tab

    When you are selecting Map tab, a map plotted with points will be shown; points indicate locations of videos and photos of debris were taken. The buttons on the left side of the map can be used to zoom in/out or move the map. You can also use your mouse to operate the map.
    You can click points plotted on the map to see its summary.

    *Internet Explorer may not display the map. Please use any of the below recommended browser versions.

    • Firefox 61.0 or above
    • Safari 11.1 or above
    • Google Chrome 68.0 or above

2. Search by Keywords

You can search data with the text box located at the upper right of the window.
By entering multiple words, you can start AND search. Please enter a space between each word.
e.g.: "plastic sagami" → Data that contains both "plastic" and "sagami" will be shown in the search result.

3. Advanced Search

Screen Layout

By you clicking "Advanced Search" located at the upper right of the window, the advanced search page will be appeared. On this page, you can select categories, enter words, adding search criteria, and search with a map. By clicking Search button on the bottom of the page, you can search with your specified conditions.

  1. Keyword Search

    You can enter more than one word; please enter a space between each word, and select "Include all these words" for AND searches or "Include either of these words" for OR searches.

  2. Search Criteria

    You can add search criteria from the pulldown list at Adding Other Search Criteria. Click Add for adding criteria and click Delete for removing criteria you have added.

  3. Map

    You can click "Select a polygonal area" to search a specified area on the map. When you are in "Select a polygonal area" mode, a single click adds a point, and double click sets an area. Moreover, by clicking "Clear", you can cancel a selected area.

4. Search Result

Screen Layout

The search result page consists of Data Tree and Search Result.

  1. Search Result Page

  2. Data Tree

    The figures shown in parentheses next to category names are numbers of data that match with your search criteria.

  3. Search Result

    The Search Result will show a list of data that matched with your search. You can click an image to go to a page that shows more detailed information.

5. Detail Information Page

On this page, information about debris on videos and photos are shown. By you clicking a link of latitude and longitude, a map plotted with a point will be displayed; a point indicates a location of debris video/photos was taken. Click an image to go to a page for watching a video or photo.

6. Playback Page

  1. Video Player

    1. ① Click a picture area to play or pause.
    2. ② Control video to play, stop, etc.
    3. ③ Make picture full-screen.

  2. Photo Viewer

    1. ① Magnify a part of photo.
    2. ② Rotate 90 degrees clockwise.
    3. ③ Make picture full-screen.