The Past and Future of Ocean Color Measurements

Aqua MODIS ocean color image of the Arabian Sea

Aqua MODIS ocean color image of the Arabian Sea. The color bar is in dB, which is a common way of representing ocean color measurements.

I recently came across a very good article describing what Ocean Color measurements mean, what they are used for, and how future NASA satellites will extend the reach of global ocean color observation and research.

Ocean color measurement enables us to infer the biological and biogeochemical composition of the ocean. The first proof-of-concept ocean color mission was the Coastal Zone Color Scanner (CZCS), launched in 1978. This was followed later by many ocean color science missions, some of which are: Sea-viewing Wide Field-of-view Sensor (SeaWiFS), Moderate Resolution Imaging Spectroradiometer (MODIS) onboard Aqua and Terra satellites, and Visible Infrared Imager Radiometer Suite (VIIRS) onboard Suomi NPP. Two upcoming ocean color missions are the Pre-Aerosol, Clouds, and ocean Ecosystem (PACE) slated to be launched in 2022, and the Geostationary Coastal and Air Pollution Events (GEO-CAPE), which is still in development.

Read more here:

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About WQ

I received my PhD (2013) in Remote Sensing, Earth and Space Science at the Dept. of Aerospace Engineering Sciences, University of Colorado, Boulder, USA, under a Fulbright fellowship. Currently, I'm an Assistant Professor in the Dept. of Space Science at Institute of Space Technology (IST), Islamabad, Pakistan, where I have been a founding member of the Geospatial Research & Education Lab (GREL). My general expertise is in Remote Sensing where I have worked with various remote sensing datasets through my career, while for my PhD thesis I specifically worked on Remote Sensing using SAR (Synthetic Aperture Radar) and Oceanography, working extensively on development of techniques to measure ocean surface currents from space-borne SAR intensity images and interferometric data. My research interests are: Remote sensing, Synthetic Aperture Radar (SAR) imagery and interferometric data processing & analysis, Visible/Infrared/High-resolution satellite image processing & analysis, Oceanography, Earth system study and modelling, LIDAR data processing and analysis, Scientific programming. I am a reviewer for IEEE Transactions on Geoscience & Remote Sensing, Forest Ecosystems, GIScience & Remote Sensing, Journal of African Earth Sciences, and Italian Journal of Agronomy. I am an alumnus of Pakistan National Physics Talent Contest (NPTC), an alumnus of the Lindau Nobel Laureate Meetings, a Fulbright alumnus, and the Pakistan National Point of Contact for Space Generation Advisory Council (SGAC). I was an invited speaker at the TEDxIslamabad event held in Nov., 2014. I've served as mentor in the NASA International Space App Challenge Islamabad events in April 2015 and April 2016.

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