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OSU scientist honored with satellite

OSU scientist honored with satellite

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US Europe Satellite Mission

In this Nov. 3 photo provided by the European Space Agency, the Sentinel-6 satellite is placed inside the upper stage of a Falcon 9 rocket. The joint European-U.S. satellite mission to improve measurements of sea level rise is being launched Saturday from Vandenberg Air Force Base in California.

A "climate guardian" satellite set for launching this weekend will greatly help scientists keep track of the rise in sea levels, one of the most daunting effects of global warming, a senior official at the European Space Agency said Friday.

The satellite, known as Sentinel-6 Michael Freilich and jointly developed by Europe and the United States, contains cutting-edge instruments able to capture sea surface height with unprecedented accuracy, adding to space-based measurements going back almost 30 years.

The satellite is named for a former Oregon State University scientist who died in August. Freilich was an internationally recognized oceanographer who left a strong legacy as a leader in developing satellite science. He helped to build OSU's College of Earth, Ocean and Atmospheric Sciences' long history of research in satellite remote sensing.

The discipline now spans sensor and satellite mission design, development of algorithms for retrievals of both physical and biological variables, and applications of satellite observations to study a host of oceanographic and earth science research questions.

Freilich left Oregon State in 2006 to become the director of earth sciences at NASA. Over the next 13 years, he increased the annual budget by nearly 50% to $1.9 billion and revitalized the agency’s fleet of Earth-observing satellites.

"This is a fitting honor for a man who helped transform space-based Earth observation and has brought together the best contributions from our global Earth science community to improve our collective understanding of how our planet is changing," said Stephen Volz, assistant administrator for the National Oceanographic and Atmospheric Administration's Satellite and Information Service, in a NASA press release.

Faculty at OSU's College of Earth, Ocean and Atmospheric Sciences also remember Freilich for his tenacity and brilliance.

"Mike meant so much more than NASA satellites to me,” said Jonathan Nash, a professor of physical oceanography at CEOAS. "His intensity was his trademark — he did everything 100% — and I knew I could always count on Mike for a mix of critical feedback and unbridled enthusiasm for some wacky idea to probe the unknown. I always appreciated this in Mike. He is missed."

Sentinel 6 was called "an extremely important parameter for climate monitoring," said Josef Aschbacher, the European Space Agency's director of Earth observation.

Billions of people living in coastal areas around the planet are at risk in the coming decades as melting polar ice and ocean expansion caused by warming push waters ever higher up the shore.

Some studies estimate the world's oceans will rise by at least 2 feet by the end of the century, hitting low-lying regions from Bangladesh to Florida.

Aschbacher said measurements dating back to the 1990s show average sea levels rising first by about 0.12 inches per year, but in the past couple of years the annual rate was almost 0.2 inches.

While measurements are also taken at ground level, in harbors and other coastal areas, they don't provide the same precise uniform standard as a single satellite sweeping the entire globe every 10 days, he said.

The new satellite will also collect measurements at higher resolution than its predecessors, allowing researchers to peer more closely at small ocean features, especially along the coastlines.

Other instruments on board will measure how radio signals pass through the atmosphere, providing data on atmospheric temperature and humidity that can help improve global weather forecasts.

The satellite is due to be carried into orbit Saturday from Vandenberg Air Force Base in California aboard a SpaceX Falcon 9 rocket.

The Associated Press contributed to this report

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