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From NASA:
On Dec. 12, NASA will launch the Surface Water and Ocean Topography (SWOT) satellite into Earth orbit from Vandenberg Space Force Base in California atop a Falcon 9 rocket. The mission is a collaborative effort between NASA and the French space agency Centre National d’Études Spatiales (CNES) – with contributions from the Canadian Space Agency (CSA) and the UK Space Agency – that will survey water on more than 90% of the planet’s surface.
The satellite will measure the height of water in Earth’s freshwater bodies and the ocean, providing insights into how the ocean influences climate change; how a warming world affects lakes, rivers, and reservoirs; and how communities can better prepare for disasters, like floods.
Here are five ways that SWOT will change what we know about water on Earth:
1. SWOT will survey nearly all water on Earth’s surface for the first time.
Water is essential for life on this planet. But it also plays a critical role in storing and moving much of the excess heat and carbon trapped in Earth’s atmosphere by greenhouse gas emissions. It influences our weather and climate as well. SWOT will help researchers track Earth’s water budget – where the water is today, where it’s coming from, and where it’s going to be tomorrow. This is key to understanding how water resources are changing, what impact those changes will have on local environments, and how the ocean reacts to and influences climate change.
2. SWOT will see Earth’s water in higher definition than ever before.
The spacecraft’s science instruments will view the planet’s freshwater bodies and the ocean with unprecedented clarity. SWOT will be able to collect data on ocean features less than 60 miles (100 kilometers) across, helping to improve researchers’ understanding of the ocean’s role in climate change. Earth’s seas have absorbed more than 90% of the excess heat trapped in the atmosphere by human-caused greenhouse gas emissions. Researchers think that short-lived ocean features, such as fronts and eddies, absorb a lot of that heat – and the extra carbon that produced it.
By providing a high-definition view of freshwater bodies, SWOT will help generate a much more complete picture of Earth’s water budget. Many big rivers remain a mystery to researchers, who can’t outfit them with monitoring instruments for various reasons, including inaccessibility. The spacecraft’s instruments will observe the entire length of nearly all rivers wider than 330 feet (100 meters), viewing them in three dimensions for the first time. Likewise, where ground and satellite technologies currently provide data on only a few thousand of the world’s largest lakes, SWOT will expand that number to over a million lakes larger than 15 acres (62,500 square meters).
3. The satellite will address some of the most pressing climate change questions of our time.
An important part of predicting our future climate is determining at what point the ocean slows down the absorption of excess heat trapped in the atmosphere and starts releasing it back into the air, where it could accelerate global warming. SWOT will provide crucial information about this global ocean-atmosphere heat exchange, enabling researchers to test and improve climate forecasts. In addition, the satellite will help fill gaps in researchers’ picture of how sea level is changing along coastlines, offering insights that can then be used to improve computer models for sea level rise projections and the forecasting of coastal floods.
4. SWOT data will be used to inform decisions about our daily lives.
Climate change is also accelerating Earth’s water cycle, leading to more volatile precipitation patterns, including torrential downpours and extreme droughts. Some communities around the world will thus experience floods while other suffer droughts. SWOT data will be used to monitor drought conditions in lakes and improve flood forecasts for rivers, providing essential information to water management agencies, disaster preparedness agencies, universities, civil engineers, and others who need to track water in their local areas.
5. This mission is paving the way for future NASA Earth missions while also building on a long-standing international partnership.
With its innovative technology and commitment to engaging a diverse community of people who plan to use the mission’s data, SWOT is laying a path for future Earth-observing missions. Measurements from SWOT – and the tools to support researchers in analyzing the information – will be free and accessible. This will help to foster research and applications activities by a wide range of users, including those who may not usually have the opportunity to access this knowledge.
Such an ambitious mission is possible because of a decades-long collaboration between NASA and CNES that started in the 1980s to monitor Earth’s ocean. This partnership pioneered the use of a space-based instrument called an altimeter to study sea level with the launch of the TOPEX/Poseidon satellite in 1992. The NASA-CNES partnership has continued uninterrupted for three decades and has expanded to encompass work with other agencies, including the CSA and the UK Space Agency for SWOT, as well as ESA (European Space Agency), the European Organisation for the Exploitation of Meteorological Satellites, and the European Commission for the Sentinel-6 Michael Freilich satellite, which launched in November 2020.
More About the Mission
SWOT is being jointly developed by NASA and CNES, with contributions from the CSA and the UK Space Agency. JPL, which is managed for NASA by Caltech in Pasadena, California, leads the U.S. component of the project. For the flight system payload, NASA is providing the Ka-band Radar Interferometer (KaRIn) instrument, a GPS science receiver, a laser retroreflector, a two-beam microwave radiometer, and NASA instrument operations. CNES is providing the Doppler Orbitography and Radioposition Integrated by Satellite (DORIS) system, the dual frequency Poseidon altimeter (developed by Thales Alenia Space), the KaRIn radio-frequency subsystem (together with Thales Alenia Space and with support from the UK Space Agency), the satellite platform, and ground control segment. CSA is providing the KaRIn high-power transmitter assembly. NASA is providing the launch vehicle and associated launch services.
To learn more about SWOT, visit:
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The facts are NASA nor anyone else can determine how much water is available as they only see secondary water supplies.
Primary water is the initial water. Earth is the Water planet and we never can run out of water as the Earth's core creates water vapor which naturally pushes up towards the surface usually stopped at the outer crust.
The primary water is accessible and can only be located by Human technology. IE Human beings, Dowsers find the area that have primary water and a well can be drilled.
The amount of primary water available under the Earth's crust is over five times the volume of all the current ocean water on Earth.
Just like Peak Oil peak water is nonsense. The goal is always the same. Create a mindset of powerlessness because they are well aware we are Human. We are creators. Their mind control techniques are used because we create everything. These evil beings are worthless without us.
We are Human. Wake up and fulfill your destiny and love all. Especially those you want to hate. Love them as Love is the one thing that ends them.