jason satellite sea level

2 Science objectives. The Jason-2/OSTM satellite provided insights into ocean currents and sea level rise with tangible benefits to marine forecasting, meteorology and understanding of climate change. It does this for the entire Earth every 10 days, studying how global sea level is changing over time.


Satellite data on the movement of water on Earth helps to improve the accuracy of moisture maps and forecasts.

More than 27 years of high precision satellite altimetry enables analysis of recent changes in global mean sea level (GMSL). NASA measures sea level around the globe using satellites.

It is difficult to measure sea level from a satellite. These observations are being continued by its successor, Jason-3. That informs us that each square of earths ocean is measured 36 times per year.

High quality measurements of (near)-global sea level have been made since late 1992 by satellite altimeters, in particular, TOPEX/Poseidon (launched August, 1992), Jason-1 (launched December, 2001), Jason-2 (launched June, 2008) and Jason-3 (launched January 2016). Jason-3, Sea Level, And Why It All Matters Emily Calandrelli 4 years SpaceX is scheduled to launch the Jason-3 satellite on Sunday, January 17 th …

Altimeters onboard satellites such as Jason-2, which was launched in 2008, measure sea surface height and other characteristics of the ocean surface.

The Jason-3 satellite uses radio waves and other instruments to measure the height of the ocean's surface – also known as sea level.

Satellite altimeter radar measurements can be combined with precisely known spacecraft orbits to measure sea level on a global basis with unprecedented accuracy.

Find out more about how NASA satellite observations help our understanding of this complex topic. ... sea level and solid earth.
These characteristics are linked to underlying processes and structures, making altimetry data useful for understanding the full depth of the global ocean. Several previous studies present estimates of the trend and acceleration in GMSL; however, all are exclusively performed with data from the TOPEX/Poseidon, Jason-1, Jason-2 and Jason-3 missions (TPJ data). The Jason-3 satellite is . › all tools Understanding Sea Level NASA keeps track of sea level change and its causes from space. Since 1993, measurements from the TOPEX/Poseidon and Jason series (Jason-1, Jason-2, and soon, Jason-3) of satellite radar altimeter missions have allowed estimates of global mean sea level (e.g., sea surface height averaged globally over the planet).

From the Jason 3 handbook, it states that the satellite revisits the same spot above the earth once every 10 days.

OSTM/Jason-2, or the Ocean Surface Topography Mission on the Jason-2 satellite, was an international Earth observation satellite mission that continued the sea surface height measurements begun in 1992 by the joint NASA / CNES TOPEX/Poseidon mission and followed by the NASA/CNES Jason-1 mission launched in 2001.

The Jason-2/OSTM satellite provided insights into ocean currents and sea level rise with tangible benefits to marine forecasting, meteorology and understanding of climate change. Scientists from the U.S. and Europe are focusing their attention on the latest satellite launched to collect data on rising global sea levels.


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