Close

Search

Search Menu
Photonics Media Photonics Buyers' Guide Photonics EDU Photonics Spectra BioPhotonics EuroPhotonics Industrial Photonics Photonics Showcase Photonics ProdSpec Photonics Handbook
More News
SPECIAL ANNOUNCEMENT
2016 Photonics Buyers' Guide Clearance! – Use Coupon Code FC16 to save 60%!
share
Email Facebook Twitter Google+ LinkedIn Comments

Satellite Images Plankton Bloom

Photonics Spectra
Jan 2003
Images from the Envisat satellite released by the European Space Agency displayed a 300 x 200-km phytoplankton bloom in the seas off Nova Scotia and Newfoundland in Canada from July 24 to Aug. 13, 2002. Although such blooms are not uncommon, they typically occur in the spring in temperate latitudes, associated with the seasonal upwelling of nutrients. A better understanding of such phenomena The images were taken with the satellite's Medium-Resolution Imaging Spectrometer instrument. The device collects data at 15 wavelengths from the visible to the near-IR, producing a whole-Earth image every three days. Using its 681-nm channel, which corresponds to the peak fluorescence of chlorophyll, the imager can detect phytoplankton concentrations as low as 0.00001 mg/l.


Comments
Terms & Conditions Privacy Policy About Us Contact Us
back to top

Facebook Twitter Instagram LinkedIn YouTube RSS
©2016 Photonics Media
x Subscribe to Photonics Spectra magazine - FREE!