Earth ID: 13739

Rising Waters: Our Dynamic Earth

Released on November 5, 2020

Universal Production Music: "Patisserie Pressure" by Benjamin James Parsons [PRS]

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It’s not only water processes that play a role in global sea level rise – ground movements can play a significant role as well. On a continental scale, Earth’s crust is still recovering from the last ice age. Around 20,000 years ago, Canada, the northeast United States, Scandinavia and other regions were weighed down by ice sheets. As these ice sheets melted and the weight on the continents eased, the land surface slowly rebounded. This gradual lift, the recovery from the last ice age as well as ice that is melting today, continues to alter the shape of ocean basins.

Rising sea levels can also be compounded by sinking land. Land can compact as people pump water, oil or natural gas out of the ground. The Mississippi River Delta, for example, is essentially drowning as sinking ground is combined with higher sea levels. NASA is studying this case with a field campaign designed to study how sediments are accumulating on the delta.

Source Material

For More Information

http://www.nasa.gov/specials/sea-level-rise-2020

Credits

Katie Jepson (USRA): Lead Producer
Jacquelyn DeMink (USRA): Lead Animator
Kate Ramsayer (Telophase): Writer
Lambert Caron (JPL): Science Support
Kelly Brunt (Earth System Science Interdisciplinary Center/University of Maryland): Science Support
Aaron E. Lepsch (ADNET Systems, Inc.): Technical Support
Michael Gleeson: Aerial Videographer
Angélica Ospina: Narrator (Spanish)

Please give credit for this item to:
NASA's Goddard Space Flight Center

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Keywords:
DLESE >> Geology
SVS >> HDTV
DLESE >> Physical oceanography
GCMD >> Earth Science >> Solid Earth
GCMD >> Earth Science >> Oceans >> Coastal Processes >> Sea Level Rise
GCMD >> Earth Science >> Solid Earth >> Geomorphology >> Glacial Landforms/Processes
NASA Science >> Earth

GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0