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Narin An leads with a 64 in the wind as Nelly Korda struggles in LPGA finaleAfter Iranian arrest tied to U.S. military murders, town advances sanctuary policiesESA and NASA satellites deliver first joint picture of Greenland Ice Sheet melting December 20, 2024 Northumbria University Scientists have delivered the first measurements of Greenland Ice Sheet thickness change using data from ESA and NASA ice satellite missions. With global warming causing the Greenland Ice Sheet to melt and flow more rapidly, raising sea levels and disturbing weather patterns across our planet, precise measurements of its changing shape are of critical importance for tracking and adapting to the effects of climate warming. Facebook Twitter Pinterest LinkedIN Email Academics from Northumbria University are part of an international research team which has used data from satellites to track changes in the thickness of the Greenland Ice Sheet. Global warming is causing the Ice Sheet to melt and flow more rapidly, raising sea levels and disturbing weather patterns across our planet. Because of this, precise measurements of its changing shape are of critical importance for tracking and adapting to the effects of climate warming. Scientists have now delivered the first measurements of Greenland Ice Sheet thickness change using CryoSat-2 and ICESat-2 -- the ESA and NASA ice satellite missions. Both satellites carry altimeters as their primary sensor, but they make use of different technologies to collect their measurements. CryoSat-2 carries a radar system to determine the Earth's surface height, while ICESat-2 has a laser system for the same task. Although radar signals can pass through clouds, they also penetrate into the ice sheet surface and have to be adjusted for this effect. Laser signals, on the other hand, reflect from the actual surface, but they cannot operate when clouds are present. The missions are therefore highly complementary, and combining their measurements has been a holy grail for polar science. A new study from scientists at the UK Centre for Polar Observation and Modelling (CPOM), based at Northumbria University, and published in Geophysical Research Letters shows that CryoSat-2 and ICESat-2 measurements of Greenland Ice Sheet elevation change agree to within 3%. This confirms that the satellites can be combined to produce a more reliable estimate of ice loss than either could achieve alone. It also means that if one mission were to fail, the other could be relied upon to maintain our record of polar ice change. Between 2010 and 2023, the Greenland Ice Sheet thinned by 1.2 metres on average. However, thinning across the ice sheet's margin (the ablation zone) was over five times larger, amounting to 6.4 metres on average. The most extreme thinning occurred at the ice sheets outlet glaciers, many of which are speeding up. At Sermeq Kujalleq in west central Greenland (also known as Jakobshavn Isbræ), peak thinning was 67 metres, and at Zachariae Isstrøm in the northeast peak thinning was 75 metres. Altogether, the ice sheet shrank by 2,347 cubic kilometres across the 13-year survey period -- enough to fill Africa's Lake Victoria. The biggest changes occurred in 2012 and 2019 when summer temperatures were extremely hot and the ice sheet lost more than 400 cubic kilometres of its volume each year. Greenland's ice melting also affects global ocean circulation and disturbs weather patterns. These changes have far-reaching impacts on ecosystems and communities worldwide. The availability of accurate, up-to-date data on ice sheet changes will be critical in helping us to prepare for and adapt to the impacts of climate change. Lead author and CPOM researcher Nitin Ravinder said: "We are very excited to have discovered that CryoSat-2 and ICESat-2 are in such close agreement. "Their complementary nature provides a strong motivation to combine the data sets to produce improved estimates of ice sheet volume and mass changes. "As ice sheet mass loss is a key contributor to global sea level rise, this is incredibly useful for the scientific community and policymakers." The study made use of four years of measurements from both missions, including those collected during the Cryo2ice campaign, a pioneering ESA-NASA partnership initiated in 2020. By adjusting CryoSat-2's orbit to synchronise with ICESat-2, ESA enabled the near-simultaneous collection of radar and laser data over the same regions. This alignment allows scientists to measure snow depth from space, offering unprecedented accuracy in tracking sea and land ice thickness. Tommaso Parrinello, CryoSat Mission Manager at ESA, expressed optimism about the campaign's impact: "CryoSat has provided an invaluable platform for understanding our planet's ice coverage over the past 14 years, but by aligning our data with ICESat-2, we've opened new avenues for precision and insight. "This collaboration represents an exciting step forward, not just in terms of technology but in how we can better serve scientists and policymakers who rely on our data to understand and mitigate climate impacts." Thorsten Markus, project scientist for the ICESat-2 mission at NASA, said: "It is great to see that the data from 'sister missions' are providing a consistent picture of the changes going on in Greenland. "Understanding the similarities and differences between radar and lidar ice sheet height measurements allows us to fully exploit the complementary nature of those satellite missions. "Studies like this are critical to put a comprehensive time series of the ICESat, CryoSat-2, ICESat-2, and, in the future, CRISTAL missions together." ESA's CryoSat-2 continues to be instrumental in our understanding of climate related changes in polar ice, working alongside NASA's ICESat-2 to provide robust, accurate data on ice sheet changes. Together, these missions represent a significant step forward in monitoring polar ice loss and preparing for its global consequences. CPOM is a partnership of six universities and the British Antarctic Survey (BAS), based at Northumbria University, primarily funded by the National Environment Research Council (NERC) to provide national capability in observation and modelling of the processes that occur in the Polar regions of the Earth. CPOM uses satellite observations to monitor change in the Polar regions and numerical models to better predict how their ice and oceans might evolve in the future. By providing long-term capabilities to the scientific community and leading international assessments, CPOM helps global policymakers plan for the effects of climate change and sea level rise. Story Source: Materials provided by Northumbria University . Note: Content may be edited for style and length. Related Multimedia : Journal Reference : Cite This Page :
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Opposition Leader wants police to investigate murder plot claimDon't hang Angel McCoughtry 's jersey in the rafters just yet ... the 5x WNBA All-Star tells TMZ Sports she's looking to make a comeback to the league she starred in for a decade, and she feels as good as ever! "It's comeback season," McCoughtry told Babcock on Friday. Angel, who is now 38 years old, last played in the league two seasons ago for the Minnesota Lynx ... however, she only played a few games. Over the course of her stellar career, AM's averaged nearly 19 points a game. Of course, most athletes approaching their 4th decade around the sun aren't looking to make a return to the court .. but most athletes aren't Angel McCoughtry. "I just know I still have some left in me to help a team and I'm ready to get out there and have some fun. I'm in some of the best shape of my life. People keep mentioning age but what is age? It's just a number." McCoughtry -- a 6x All-WNBA player -- points out that LeBron James is almost 40 years old (the big day comes Dec. 30) and is still considered one of the best players in the world. "I feel that when you invest the money into your body, such as LeBron, with technology today, you can play to you're 50 if you want to ," McCoughtry said. McCoughtry -- a five-time WNBA All-Star -- points out that LeBron James is almost 40 years old and is still considered one of the best players on the NBA court right now. "I feel that when you invest the money into your body, such as LeBron, with technology today, you can play to you're 50 if you want to ," McCoughtry said. Angel also believes she can provide invaluable experience to younger players around the league, pointing to a couple of NBA legends as players who weren't afraid to speak up. "That's what players like Kobe [Bryant ] did and [Michael] Jordan ," McCoughtry said, "They weren't afraid to be a leader." Outside of basketball, McCoughtry has an exciting project in the works ... teaming up with producer Shane Farley to bring the spotlight to some of the best female athletes in the world! "It's time for you to get to know these amazing women."Jalen Leach scores 15 of his 21 points in the second half and Northwestern beats Pepperdine 68-50
In a significant achievement, Technopark has been awarded A+/Stable rating for the fourth consecutive year by the rating agency Credit Rating Information Service of India Ltd (CRISIL) for maintaining a robust as well as proper financial position and progress, the State government said on Friday. Technopark received A+/Stable rating by CRISIL in 2021, after which it had maintained the same in the last two years as well, a release said. At present Technopark is home to 490 Information Technology (IT) and Information Technology enabled Services (ITeS) companies with a direct employability of 75,000, it said. It further said that the high to almost full occupancy in all campuses at Technopark with diversified clientele ensures steady cash flows. Additionally, the ongoing flagship projects along with the projects in pipeline were the critical parameters evaluated by CRISIL and helped Technopark achieve the A+/Stable rating again in 2024, the release said. Welcoming the achievement, Col. Sanjeev Nair (Retd), CEO, Technopark, said that securing the A+/Stable rating from CRISIL for the fourth consecutive year underscores Technopark’s unwavering commitment to financial excellence and sustainable growth. “This milestone reflects our team’s dedication, proactive management practices, and the trust of our IT partners. It fuels us to push boundaries, ensuring a future-ready IT ecosystem that upholds global standards,” he said. “The A+ rating accompanied by a stable outlook, highlights our park’s consistent ability to meet its financial obligations while maintaining long-term sustainability. This achievement is a testament to our strong governance, strategic management, and adherence to best practices in the industry,” he said. Jayanthi L., CFO of Technopark, too welcomed the achievement and said that the stable outlook further reinforces its ability to navigate through economic fluctuations with resilience. “Being at the helm of such a legacy is not just a matter of pride but also a responsibility—to ensure that, through constant financial vigil, the organisation reaches new heights,” she said. She further said that by aligning financial and operational goals, Technopark has embraced a fundamental requirement for corporate sustainability and success by “serving as catalysts for operational efficiency.” Published - December 21, 2024 12:00 am IST Copy link Email Facebook Twitter Telegram LinkedIn WhatsApp RedditWASHINGTON , Dec. 20, 2024 /PRNewswire/ -- It is with deep sadness that Universities Space Research Association (USRA) announces the passing of Dr. Berrien Moore III , an internationally recognized leader in Earth Science and an invaluable member of the USRA Board of Trustees. Dr. Moore passed away on December 17, 2024 , in Norman, Oklahoma . He was the Dean of the College of Atmospheric and Geographic Sciences and Director of the National Weather Center at the University of Oklahoma . Dr. Moore was elected to the USRA Board of Trustees in 2019 and re-elected for a second term in 2022. He served in multiple leadership capacities on the Board, including Chair of the Compensation Committee, inaugural Chair of the University Engagement Committee, and, since 2021, Vice Chair of the Board. Gen Lester Lyles , Chair of the USRA Board of Trustees said, "We are profoundly grieved by the loss of Berrien Moore , a treasured member of our Board. Berrien was a strong leader and a dedicated advocate for Earth Science. With his wit and charm, Berrien was more than just a colleague, he was a true friend to everyone. On behalf of the entire Board, I extend our heartfelt condolences to Berrien's family and loved ones during this challenging time." Dr. Jeffrey Isaacson , President and CEO of USRA commented, "At USRA, we are deeply saddened by this news. This is a terrific loss for our Association, but we are grateful to have had the privilege of working with Berrien and are indebted by his many contributions. All of us at USRA extend our heartfelt condolences, prayers, and support to his family." Dr. Moore served in several capacities with NASA including as Principal Investigator of NASA's Geostationary Carbon Cycle Observatory (GeoCarb) mission that placed University of Oklahoma at the forefront of climate research. He also served as chair of NASA's Space and Earth Science Advisory Council, as a member of the NASA Advisory Council, and was on several other committees. As a Coordinating Lead Author for the Intergovernmental Panel on Climate Change, he contributed to the body of work that garnered the 2007 Nobel Peace Prize. His honors include NASA's highest civilian honor, the Distinguished Public Service Medal for outstanding service, the NOAA Administrator's Recognition Award, and the 2007 Dryden Lectureship in Research medal by the American Institute of Aeronautics and Astronautics. Dr. Moore is survived by his wife Lucia and his daughter Leila. About USRA Founded in 1969, under the auspices of the National Academy of Sciences at the request of the U.S. Government, the Universities Space Research Association (USRA) is a nonprofit corporation chartered to advance space-related science, technology, and engineering. USRA operates scientific institutes and facilities and conducts other major research and educational programs. It is an association with 121 university members. It engages the broader university community, employs in-house scientific talent, and offers innovative research, development, and project management expertise. More information about USRA is available at www.usra.edu . PR Contact: Suraiya Farukhi sfarukhi@usra.edu 443-812-6945 View original content to download multimedia: https://www.prnewswire.com/news-releases/usra-mourns-the-loss-of-dr-berrien-moore-iii-a-distinguished-member-of-the-board-of-trustees-302337533.html SOURCE Universities Space Research Association