File:Fis00610 19752425556 o.jpg
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Summary
[edit]DescriptionFis00610 19752425556 o.jpg | Fisheries research encompasses a wide range of disciplines, instruments, and vessel types. The research encompasses: habitats ranging from the deep sea up the continental slope and over the shelf to intertidal regions, through the water column from bottom to surface, understanding of tides,currents, and water mass movements; a geographic range from polar regions to equator; and a range of plants and animals from single cell microscopic phytoplankton to the largest animals on earth - the great whales. The tools and instruments used by fisheries scientists range from large commercial nets and winches capable of sampling tons of schooling fishes to fine mesh nets capable of capturing microscopic animals and plants. Fisheries scientists use satellite remote sensing to track currents and plankton blooms, conductivity-temperature-depth rosettes to measure basic properties of the water column, optical microscopes and electron-scanning microscopes to pry into invisible world of fisheries microbiology, and sonar gear for a wide variety of purposes including habitat mapping, fish finding and tracking, net characteristics, and obstacle avoidance. Vehicles ranging from large ships to small boats to manned and unmanned submersibles and remotely operated vehicles are all used by fisheries scientists. Aerial observation by both manned aircraft and unmanned aerial vehicles are used to observe and track large marine animals. The range of knowledge, tools, and just plain perseverance and physical stamina that make up the skill set of fisheries science is remarkable and is a major component of NOAA's study and understanding of the ocean and its relationship to human society. |
Date | |
Source | https://www.flickr.com/photos/noaaphotolib/sets/72157635600959643 |
Author | NASA |
Licensing
[edit]Public domainPublic domainfalsefalse |
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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current | 03:29, 26 October 2017 | 2,032 × 1,524 (824 KB) | Artix Kreiger (talk | contribs) |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | EASTMAN KODAK COMPANY |
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Camera model | KODAK CX6330 ZOOM DIGITAL CAMERA |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/2.8 |
Date and time of data generation | 13:38, 4 January 2003 |
Lens focal length | 5.6 mm |
Orientation | Normal |
Horizontal resolution | 230 dpi |
Vertical resolution | 230 dpi |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 13:38, 4 January 2003 |
Meaning of each component |
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APEX shutter speed | 5 |
APEX aperture | 3 |
APEX exposure bias | 0 |
Maximum land aperture | 2.9 APEX (f/2.73) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Exposure index | 120 |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 37 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Macro |