NASA Sea Level

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During the exceptionally warm Arctic summer of 2019, Greenland lost 600 billion tons of ice—enough to raise global sea levels by nearly a tenth of an inch (2.2 millimeters) in just two months. Down south, West Antarctic mass loss continues unabated.…
Observations from 11 satellite missions monitoring the Greenland and Antarctic ice sheets have revealed that the regions are losing ice six times faster than they were in the 1990s.…
Satellite data show that Antarctica and Greenland are losing hundreds of gigatonnes of (land-based) ice each year. But how big is just one gigatonne? Look ⬇️ for answers (and cool visualizations)!…
Retweeted by NASA Sea Level
🌎🗓 T-50 days unti#EarthDay5050 This year, we’re celebrating the 50th anniversary o#EarthDayay. 🎉 Since the very beginnin@NASAASA has looked back to our home planet 🌎, helping solve environmental challenges and understand this beautiful, complex
Retweeted by NASA Sea Level
Observations and computer models paint a picture of a changing planet Earth; projections give a range of plausible future scenarios. A look at presentations by NASA sea-level scientists at a recent conference. From many voices, one theme: a changing planet…
We're saddened by the passing of celebrated #HiddenFigures mathematician Katherine Johnson. Today, we celebrate her 101 years of life and honor her legacy of excellence that broke down racial and social barriers:
Retweeted by NASA Sea Level
Some parts of the Mississippi River Delta are disappearing due to sea-level rise, while other parts are not. A new NASA campaign, Delta-X, will be collecting data by air and by boat to better understand why.…
Ocean Sciences update: Philip R. Thompson discusses "Probabilistic Projections of High-tide Flooding Frequency in the United States during the 21st Century" at 11 a.m. Friday in 9, UL (session number CP52A-03). #OSM20
Ocean Sciences update: Michael Tadesse discusses "Data-driven Modeling of Global Storm Surges" at 10:45 a.m. Friday in 9, UL (session number CP52A-02). #OSM20
Ocean Sciences update: Richard Ray discusses "The Problematic psi1 Tide" at 9 a.m. Friday in 15A, Mezzanine (session number PL51A-05). #OSM20
Ocean Sciences update: Riley Wadehra of Colorado College presents a poster session, "The Influence of Seasonal River Runoff on Sea-level Variability," at 4 p.m. on Thursday in Poster Hall C-D (session number CP44E-1409). #OSM20
Ocean Sciences update: "NASA's View on the Rising Seas" will be presented by Nadya Vinogradova Shiffer from NASA Headquarters in Washington, DC, at 4:35 p.m. on Wednesday in the Exhibit Hall. #OSM20
Ocean Sciences update: Two poster sessions at 4 p.m. Wednesday in Poster Hall C-D. "A prototype for remote monitoring of ocean heat content" will be presented by David S. Trossman from the University of Texas at Austin (session number IS34B-3357). #OSM20 And...
Ocean Sciences update: A poster session, "Meridional asymmetry in recent Pacific sea surface height trends," will be presented by Fabian Schloesser from the University of Hawaii at 4 p.m. Wednesday in Poster Hall C-D (session number PL34B-2719). #OSM20
Ocean Sciences conference update: Paula S. Bontempi from NASA Headquarters speaks at the NASA Ocean Sciences Town Hall, 6:30 p.m. on Tuesday in room 11A, UL. #OSM20
Ocean Sciences conference update: Christopher G. Piecuch presents "Weakening of the Florida Current during 1909-2018," at 4 p.m. Tuesday in Poster Hall C-D (session ID: PC24A-1773). #OSM20
Support for a "robust fleet of next-generation" @NASAEarth missions in the 2021 budget includes the upcoming launches of Landsat-9, Surface Water and Ocean Topography (SWOT), and Sentinel-6A Michael Freilich, says @JimBridenstine: Watch #StateOfNASA:…
Retweeted by NASA Sea Level
🎉 NASA and several partners announced today that they have renamed a key ocean-observing satellite launching this fall in honor of Earth scientist Michael Freilich, the former head of NASA's Earth Science…H
Adapting to sea-level rise will require a more complete understanding of coastal systems and of how humans respond to the challenge, a new study by members of NASA’s Sea Level Science Team shows.…
AGU update: Jan Lenaerts discusses "Observing and modeling ice sheet surface mass balance" at 12:30 p.m. Friday in Moscone North Hall E. #AGU19
AGU update: Emre Havazli, David Bekaert, Simran Sangha and Jeremy Maurer discuss "Use of geodetic observations for regional monitoring of vertical land motion along Eastern Seaboard United States" at 11:20 a.m. Friday in Moscone South 160. #AGU19
AGU update: Erik Ivins and Lambert Caron discuss "Toward a Baseline GIA Correction for Antarctica and Implications for East Antarctic Ice Mass Balance" at 10:35 a.m. Friday in Moscone South 160. #AGU19
AGU update: David Rounce and Regine Hock discuss "The impact of debris cover and glacier dynamics on projections of glacier mass change in High Mountain Asia" at 8 a.m. Friday in the Moscone South poster hall (session ID: C51B-1278). #AGU19
AGU update: Enrico Ciraci, Isabella Velicogna, Geruo A, Richard Lammers, Danielle Grogan, Alexander Proussevitch, Yi-Chen Ethan Yang, "Water Budget of the Indus River Basin between 2002 and 2015" at 8 a.m. Friday in the Moscone South poster hall (session ID: C51B-1284). #AGU19
AGU update: Maria Zita Hakuba, Thomas Frederikse and Felix Landerer discuss "What can sea level change tell us about Earth’s energy imbalance?" at 8 a.m. Friday in the Moscone South poster hall (session ID: GC51J-1083). #AGU19
AGU update: Isabella Velicogna, Yara Mohajerani, Enrico Ciraci and others, "Continuity of measurements of time-variable gravity across the GRACE and GRACE-FO missions over Greenland, Antarctica and the world’s glaciers and ice caps," 5:46 p.m. Thursday, Moscone South 160. #AGU19
AGU update: Hrishikesh Chandanpurkar, John T Reager and Benjamin Hamlington discuss "Using a Climate-based Historical Reconstruction of GRACE Data to Separate Human and Climate- driven Groundwater Trends" at 1:40 p.m. in the Moscone South poster hall (session ID H43M-2224) #AGU19
AGU update: Alex Gardner, David Wiese, Johan Nilsson and Fernando Paolo discuss "ICESat-2: Next generation estimates of glacier mass change" at 9:45 a.m. Thursday in Moscone West 2005. #AGU19
AGU update: Benjamin Hamlington, John T Reager and Hrishikesh Arvind Chandanpurkar discuss "Extension of Satellite-Measured Terrestrial Water Storage for Longer-Term Water Cycle Studies" at 8:30 a.m. Thursday in Moscone West 2008. #AGU19
AGU update: Johan Nilsson, Fernando Paolo and Alex Gardner discuss "Ice sheet wide comparison of coincident laser and radar observations from ICESat-2 and CryoSat-2 for Greenland and Antarctica" at 8:15 a.m. Thursday in Moscone West 2005. #AGU19
AGU update: Carmen Boening, John Fasullo, Felix Landerer, Steve Nerem, David Wiese and Josh Willis discuss "Land/Ocean Water Exchange – Impacts on the Global Hydrologic and Sea Level Budget" at 8:15 a.m. Thursday in Moscone West 2008. #AGU19
AGU update: Tessa Gorte, Jan Lenaerts and Brooke Medley discuss "How well do climate models capture Antarctic ice sheet surface mass balance over the 19th and 20th centuries?" at 1:55 p.m. in Moscone West 2008. #AGU19
AGU update: Sonam Futi Sherpa, Manoochehr Shirzaei and others, "An Unsupervised Probabilistic Method for Large Scale Flood Mapping: Exploring Full Archive of Sentinel-1A/B Satellites over India, and Iran," 1:40 p.m. Wednesday, Moscone South (poster session ID: H33O-2222). #AGU19
AGU update: Carmen Boening discusses new developments and features on the NASA Sea Level Portal in a Hyperwall presentation at 10:05 a.m. at the NASA booth in the exhibit hall. #AGU19
A new study finds that the Greenland Ice Sheet has lost 3.8 trillion tons of ice between 1992 and 2018. The study uses 26 satellite datasets to track global warming's effect on one of Earth's largest ice sheets and on rising sea levels:…
AGU update: Benjamin Strauss, Scott Kulp, Leila Hadj-Chikh and Daniel Rizza discuss "A Dynamic Global Sea Level Rise and Coastal Flood Risk Map" at 8:15 a.m. Wednesday in Moscone West 2010. #AGU19
AGU update: Eduard Roderik Heijkoop, Steve Nerem and Mike Willis,"Comparison of Remote Sensing Techniques for Determining Mean Sea Level near Coastal Megacities and its Impact on the Effects of Sea Level Change," 8 a.m., Moscone South poster hall (session ID OS31D-1762). #AGU19
AGU update: Zoe Screwvala, David Rounce and Regine Hock discuss "Modeling future mass balance of glaciers in Alaska using Python Glacier Evolution Model" at 8 a.m. Wednesday in the Moscone South poster hall (session ID C31B-1504). #AGU19
AGU update: Em Blackwell, Manoochehr Shirzaei, Chandrakanta Ojha and Susanna Werth discuss "Flood hazards along the coast of California due to vertical land motion and sea-level rise" at 8 a.m. Wednesday in the Moscone South poster hall (session ID: OS31D-1764). #AGU19
AGU update: Carmen Boening, Benjamin Hamlington and Steve Nerem discuss "NASA Sea Level Change Team; Recent Findings and Developments" at 6:15 p.m. Tuesday in Moscone West 2016 #AGU19
AGU update: Daniel Gilford, Robert E Kopp, Erica L. Ashe, Rob DeConto, David Pollard and Alessio Rovere, "Efficacy of Last Interglacial Estimates for Constraining Probabilistic Projections of Future Antarctic Sea Level Contributions" at 5:30 p.m. in Moscone West 2006. #AGU19
AGU update: Thomas Frederikse, Surendra Adhikari, Tim Daley, W. Roland Gehrels and others discuss "Combining paleo records, tide gauges, and process estimates to constrain 20th century sea-level rise in the South Atlantic Ocean" at 3:25 p.m. Tuesday in Moscone West 2006. #AGU19
AGU update: David Bekaert, Mohammed Karim, Justin P. Linick, Hook Hua, Simran Sangha, Marjorie Lucas, Namrata Malarout, Piyush S. Agram and others discuss "Development of open-access Standardized InSAR Displacement Products" at 2:25 p.m. Tuesday in Moscone South 160. #AGU19
AGU update: Yara Mohajerani, Isabella Velicogna and Eric Rignot discuss "Regional Atmospheric Climate Model Evaluation in Getz and Amery Ice Shelf Basins Using GRACE" at 1:40 p.m. in the Moscone South poster hall (session ID C23B-1544). #AGU19
AGU update: Brett Buzzanga, David Bekaert, Simran Sangha and Benjamin Hamlington discuss "Towards a cost-effective approach for Vertical Land Motion mapping integrating InSAR and GNSS: An Application in Hampton Roads, Virginia" at 11:35 a.m. Tuesday in Moscone South 160. #AGU19
AGU update: Michael Willis, Eduard Roderik Heijkoop, Eduard Roderik Heijkoop and Kristy French discuss "Very High Resolution Topography of Coastal Megacities for Testing Inundation Scenarios" at 11:20 a.m. Tuesday in Moscone West 2002. #AGU19
Scott Andrew Kulp and Benjamin Strauss discuss "More accurate global elevation data predicts a far more vulnerable global coastline" at 11:05 a.m. Tuesday in Moscone West 2002. #AGU19
AGU update: William Sweet discusses "2018/19 State of U.S. High-Tide Flooding with a 2019/2020 Outlook" at 8:45 a.m. Tuesday in Moscone West 2002. #AGU19
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