The SWOT advanced radar satellite aims to provide scientists with an unprecedented view of the water resources that cover 70% of the earth's surface and nourish life, so as to provide new ideas for the mechanisms and consequences of climate change.

(Reuters)

[Central News Agency] NASA-led international satellite mission will launch a rocket from Southern California at dawn tomorrow, carrying satellites to carry out major earth science research projects, the first comprehensive survey of the world's oceans, lakes and rivers from space sex survey.

This Surface Water and Ocean Topography (SWOT) advanced radar satellite aims to provide scientists with an unprecedented view of the water resources that cover 70% of the Earth's surface and nourish life, in order to respond to the mechanisms and consequences of climate change. Provide new ideas.

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The "Falcon 9" rocket (Falcon 9) of billionaire Elon Musk's Space Exploration Technology Company (SpaceX) is scheduled to fly to the "Vandenberg US Space Force Base" about 275 kilometers northwest of Los Angeles before dawn tomorrow. ” (Vandenberg US Space Force Base) lifted off to put the SWOT satellite into orbit.

If all goes according to plan, the minivan-sized satellite should generate research data within a few months.

After nearly 20 years of research and development, SWOT combines advanced microwave radar technology. Scientists say that this technology will collect high-altitude and surface measurement data of more than 90% of the world's oceans, lakes, reservoirs and rivers with high resolution.

The data, compiled from radar scans of the Earth at least twice every 21 days, will improve ocean circulation models, enhance weather and climate forecasts, and help manage the supply of scarce freshwater in arid regions, the researchers said.

The SWOT satellite was designed and built by NASA's "Jet Propulsion Laboratory" (JPL) near Los Angeles, and developed in cooperation with French and Canadian aerospace units. One of the 15 tasks that should be carried out every year.

"This is really the first mission to look at nearly all the water resources on Earth's surface," said Ben Hamlington, a scientist at JPL and head of NASA's Sea Level Change Team.

A major goal of the mission is to explore how the oceans absorb heat and carbon dioxide from the atmosphere through natural processes, moderating global temperature and climate change

Freshwater is another focus of SWOT observations. This satellite can observe almost all rivers with a width of more than 100 meters, and more than 1 million lakes and reservoirs with an area larger than 62,500 square meters.

Over the next three years, SWOT will repeatedly take stock of Earth's water resources, allowing researchers to more precisely track fluctuations in the planet's rivers and lakes during seasonal changes and major weather events.

Tamlin Pavelsky, head of freshwater science for NASA's SWOT satellite, said gathering such data is akin to "taking the pulse of the world's water system so we can see when it's speeding up and when it's slowing down."

SWOT combines advanced microwave radar technology, which scientists say will collect high-resolution, high-resolution, high-altitude and surface measurements of more than 90 percent of the world's oceans, lakes, reservoirs and rivers.

(Reuters)