Aqua Said To Be Alive And Well

TERRADAILY

The Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E), onboard NASA�s Aqua spacecraft, began sending high quality data on June 1, 2002. Initial (uncalibrated) data gathered from the AMSR-E has delivered impressive pictures of the planet's sea surface temperature from the 6.9 GHz vertical polarization channel (top image) and brightness temperatures (bottom image) from the 89.0 GHz vertical and horizontal polarization channels and the 23.8 GHz vertical polarization channel, averaged over the 3-day period June 2-4, 2002. In the brightness temperature image, ice and snow cover in white and yellow, desert areas in shades of green, other land areas in dark colors, and oceans in shades of blue. Both images courtesy of NASDA.

Greenbelt - Jun 25, 2002
NASA's newest Earth Observing System satellite, Aqua, is successfully providing data and engineering images. After more than six weeks on-orbit, the spacecraft and its six instruments are almost midway through their checkout period and are performing extremely well.

To date, science data in the form of engineering images have been received from five of Aqua's six instruments, with Japan's Advanced Microwave Scanning Radiometer (AMSR-E) producing Aqua's first geophysical product: a global map of sea surface temperatures. Initial data from Aqua's sixth instrument, MODIS, is expected this week.

"These engineering images are great, which tells us that we have a healthy spacecraft and all instruments are performing nominally. Everything indicates that we are on schedule to go operational in early September," said Phil Sabelhaus, Aqua's Project Manager at NASA's Goddard Space Flight Center in Greenbelt, Md.

The sea surface temperature map from AMSR-E is indicative of the high level of detail the microwave imager will routinely provide even in the presence of substantial cloud cover.

"After years of preparation on Aqua, I and hundreds of other scientists are thrilled to have the spacecraft launched and its Earth-observing instruments sending down high-quality data," said Claire Parkinson, the Aqua project scientist at NASA Goddard.

"If all goes as planned, these data will lead to improved weather forecasts and a better understanding of Earth's climate system�especially the role of water in it."

Aqua is an international partnership between the United States, Japan and Brazil. The primary role of Aqua, as the name implies, is to gather information about water in the Earth's system.

Aqua will help us better understand and protect our home planet by answering science questions and meeting science goals through its suite of six high-performance instruments. Each instrument collects measurements on a different aspect of the Earth system�providing a holistic view of our home planet.

Aqua is part of NASA's Earth Science Enterprise. Through the study of Earth, NASA will help to provide sound science to policy and economic decision-makers so as to better life here, while developing the technologies needed to explore the universe for life beyond our home planet. Aqua launched May 4 from Vandenberg Air Force Base in California.

EARTH OBSERVATION

Aqua Spacecraft Launched To Study Earth's Water Cycle

Pasadena - May 06, 2002
NASA's latest Earth-observing satellite, Aqua, carrying the NASA Jet Propulsion Laboratory-managed Atmospheric Infrared Sounder instrument, was successfully launched Saturday morning at 2:55am Pacific Time. Aqua is dedicated to advancing our understanding of Earth's water cycle and our environment.

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