Appendix 3 - Bottom Photographs

Figure A3.1. Map showing bottom sample locations and bottom photo locations overlain on the sidescan-sonar imagery. Photographs and video were obtained at all sites. Samples could not be collected at sites where the bottom was cobble or rocky (yellow dots). Click on figure for larger image.

A total of 880 bottom photographs were obtained at 113 locations as part of this study (see Ground Validation in Section 4 of this report).   Typically 5-10 still photographs were obtained at each station with the SEABOSS system as the ship drifted over the sea floor.  The location of the stations are shown in figure A3.1.  The field of view of each image is approximately 50 cm wide (SEABOSS 50 cm above the bottom).

The images may be viewed by browsing the thumbnails in the Photo Gallery.  Alternatively, the images may be accessed from disk using the image names in table A3.1.

The location of these images and links to the photographs are also available in the Geographic Information System (see Appendix 1) where they can be viewed with other geologic data.  Texture analysis of samples obtained at these stations, where possible, are available in Appendix 2.

Photo Gallery:

Stations 1 - 20
Stations 21 - 40
Stations 41 - 60
Stations 61 - 80
Stations 81 - 100
Stations 101 - 113

Bottom Photographs:

Table A3.1 Location of bottom photographs collected as part of the Boston Harbor and Approaches mapping project. Click here for the directory containing all the bottom photographs. Note: This folder contains hyperlink images of the bottom photos and sediment samples. Bottom photos have a numeric nomenclature (e.g. 22....jpg).