< STS61A-474-11

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NASA Photo ID

STS61A-474-11

Focal Length

100mm

Date taken

1985.__.__

Time taken

GMT

Resolutions offered for this image:
5700 x 5900 pixels 500 x 518 pixels 640 x 480 pixels

Cloud masks available for this image:

Map Location
Image Details
Camera Information
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Spacecraft nadir point:

Photo center point: 19.5° S, 117.5° E

Photo center point by machine learning:

Nadir to Photo Center:

Spacecraft Altitude: nautical miles (0km)

Country or Geographic Name:

AUSTRALIA-WA

Features:

ALGAE BLOOM

Features Found Using Machine Learning:

Cloud Cover Percentage:

10 (1-10)%

Sun Elevation Angle:

Sun Azimuth:

Camera:

Hasselblad

Focal Length:

100mm

Camera Tilt:

Low Oblique

Format:

UNKN: unknown

Film Exposure:

Normal

Additional Information

Width	Height	Annotated	Cropped	Links
5700 pixels	5900 pixels	No	No	Download Image
500 pixels	518 pixels	No	No	Download Image
640 pixels	480 pixels	No	No	Download Image

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Image Caption: Trichodesmium Plankton Bloom off Dampier Arch, North West Australia.
This photo of a Trichodesmium erythraeum phytoplankton bloom
off northwest Australia is the one which Ajit Subramaniam,
Marine Sciences Research Center, State University of New
York Stony Brook, used for ground truth data. Then he
extracted data from the CZCS data of this area and generated
an algorithm to detect these plankton blooms. He then
applied these algorithms to other regions of the world using
the CZCS data. Since plankton use carbon, this type of
information adds to the understanding of the processes and
quantity of carbon which the oceans can absorb.