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  • August 30, 2017 - Greenland - NASA's Operation IceBridge is flying its summer Arctic land ice campaign in Greenland, continuing its measurements of the Greenland Ice Sheet and its outlet glaciers. For the next four weeks, IceBridge will be flying the Land, Vegetation, and Ice Sensor (LVIS) on board Dynamic Aviation's B-200T King Air aircraft, first out of Thule Air Base, and then Kangerlussuaq, Greenland. This photograph from the mission was taken on Aug. 29, 2017, from 28,000 feet, looking north while surveying Nioghalvfjerdsbrae (79 N) Glacier in northeast Greenland. (Credit Image: © Bryan Blair/NASA via ZUMA Wire/ZUMAPRESS.com)
    20170830_shz_z03_888.jpg
  • May 9, 2017 - Greenland - The shadow of NASA's P-3 aircraft is seen over an iceberg on a flight supporting NASA's Operation IceBridge mission. IceBridge began its final week of Arctic Spring 2017 surveys with a glacier-packed mission in Greenland, called Southeast Glaciers 01. The P-3 is a four-engine turboprop based out of Wallops and capable of long duration flights of 8-12 hours. It is supporting the same suite of IceBridge instruments flown in the past IceBridge Arctic and Antarctic campaigns. The original ICESat mission ended in 2009, and its successor, ICESat-2, is scheduled for launch in 2018. (Credit Image: ? Joe MacGregor/NASA via ZUMA Wire/ZUMAPRESS.com)
    RTI20170509_shn_z03_410.jpg
  • A urology doctor delivered a baby boy during an eight-hour Air France flight from Paris to New York. Dr Sij Hemal, 27, was moments away from enjoying a glass of champagne in first class when he had to jump into action after 41-year-old passenger Toyin Ogundipe went into labor. Dr Hemal, a second-year urology resident at Cleveland Clinic’s Glickman Urological and Kidney Institute, safely delivered the baby — who was named Jake — before tying the umbilical cord with a makeshift surgical clamp… a shoe string. By chance, Dr Hemal had been seated next to a French pediatrician Dr. Susan Shepherd, who was able to help and gave the baby boy a clean bill of health upon delivery. Dr Hemal had been on a day-long journey from New Delhi, India, when the drama unfolded, and was making his way back to the U.S. after attending his best friend’s wedding the day before. “I was pretty tired from jet lag,” Dr Hemal said. “I thought I’d just have a drink and fall asleep. As it turned out, I’m glad I didn’t drink anything.” Ms Ogundipe, a banker who resides between the UK and Nigeria, was traveling with her four-year-old daughter Amy when she suddenly went into labor about midway into the December 17 flight, just as the jet skirted the southern coast of Greenland, 35,000 feet below. An emergency landing would have required a two-hour diversion to a U.S. military base in the Azores Islands, so Dr. Hemal recommended to the pilot they continue to JFK International Airport, which was still four hours away. “Her contractions were about 10 minutes apart, so the pediatrician and I began to monitor her vital signs and keep her comfortable,” Dr Hemal explained. The doctors used instruments and supplies in the flight’s scanty medical kit to routinely check Ms Ogundipe’s vital signs, including blood pressure, oxygen rate and pulse. But within the course of an hour, Toyin’s contractions accelerated; they occurred seven, then five and finally two minutes apart. “T
    MEGA147966_005.jpg
  • A urology doctor delivered a baby boy during an eight-hour Air France flight from Paris to New York. Dr Sij Hemal, 27, was moments away from enjoying a glass of champagne in first class when he had to jump into action after 41-year-old passenger Toyin Ogundipe went into labor. Dr Hemal, a second-year urology resident at Cleveland Clinic’s Glickman Urological and Kidney Institute, safely delivered the baby — who was named Jake — before tying the umbilical cord with a makeshift surgical clamp… a shoe string. By chance, Dr Hemal had been seated next to a French pediatrician Dr. Susan Shepherd, who was able to help and gave the baby boy a clean bill of health upon delivery. Dr Hemal had been on a day-long journey from New Delhi, India, when the drama unfolded, and was making his way back to the U.S. after attending his best friend’s wedding the day before. “I was pretty tired from jet lag,” Dr Hemal said. “I thought I’d just have a drink and fall asleep. As it turned out, I’m glad I didn’t drink anything.” Ms Ogundipe, a banker who resides between the UK and Nigeria, was traveling with her four-year-old daughter Amy when she suddenly went into labor about midway into the December 17 flight, just as the jet skirted the southern coast of Greenland, 35,000 feet below. An emergency landing would have required a two-hour diversion to a U.S. military base in the Azores Islands, so Dr. Hemal recommended to the pilot they continue to JFK International Airport, which was still four hours away. “Her contractions were about 10 minutes apart, so the pediatrician and I began to monitor her vital signs and keep her comfortable,” Dr Hemal explained. The doctors used instruments and supplies in the flight’s scanty medical kit to routinely check Ms Ogundipe’s vital signs, including blood pressure, oxygen rate and pulse. But within the course of an hour, Toyin’s contractions accelerated; they occurred seven, then five and finally two minutes apart. “T
    MEGA147966_006.jpg
  • A urology doctor delivered a baby boy during an eight-hour Air France flight from Paris to New York. Dr Sij Hemal, 27, was moments away from enjoying a glass of champagne in first class when he had to jump into action after 41-year-old passenger Toyin Ogundipe went into labor. Dr Hemal, a second-year urology resident at Cleveland Clinic’s Glickman Urological and Kidney Institute, safely delivered the baby — who was named Jake — before tying the umbilical cord with a makeshift surgical clamp… a shoe string. By chance, Dr Hemal had been seated next to a French pediatrician Dr. Susan Shepherd, who was able to help and gave the baby boy a clean bill of health upon delivery. Dr Hemal had been on a day-long journey from New Delhi, India, when the drama unfolded, and was making his way back to the U.S. after attending his best friend’s wedding the day before. “I was pretty tired from jet lag,” Dr Hemal said. “I thought I’d just have a drink and fall asleep. As it turned out, I’m glad I didn’t drink anything.” Ms Ogundipe, a banker who resides between the UK and Nigeria, was traveling with her four-year-old daughter Amy when she suddenly went into labor about midway into the December 17 flight, just as the jet skirted the southern coast of Greenland, 35,000 feet below. An emergency landing would have required a two-hour diversion to a U.S. military base in the Azores Islands, so Dr. Hemal recommended to the pilot they continue to JFK International Airport, which was still four hours away. “Her contractions were about 10 minutes apart, so the pediatrician and I began to monitor her vital signs and keep her comfortable,” Dr Hemal explained. The doctors used instruments and supplies in the flight’s scanty medical kit to routinely check Ms Ogundipe’s vital signs, including blood pressure, oxygen rate and pulse. But within the course of an hour, Toyin’s contractions accelerated; they occurred seven, then five and finally two minutes apart. “T
    MEGA147966_004.jpg
  • A urology doctor delivered a baby boy during an eight-hour Air France flight from Paris to New York. Dr Sij Hemal, 27, was moments away from enjoying a glass of champagne in first class when he had to jump into action after 41-year-old passenger Toyin Ogundipe went into labor. Dr Hemal, a second-year urology resident at Cleveland Clinic’s Glickman Urological and Kidney Institute, safely delivered the baby — who was named Jake — before tying the umbilical cord with a makeshift surgical clamp… a shoe string. By chance, Dr Hemal had been seated next to a French pediatrician Dr. Susan Shepherd, who was able to help and gave the baby boy a clean bill of health upon delivery. Dr Hemal had been on a day-long journey from New Delhi, India, when the drama unfolded, and was making his way back to the U.S. after attending his best friend’s wedding the day before. “I was pretty tired from jet lag,” Dr Hemal said. “I thought I’d just have a drink and fall asleep. As it turned out, I’m glad I didn’t drink anything.” Ms Ogundipe, a banker who resides between the UK and Nigeria, was traveling with her four-year-old daughter Amy when she suddenly went into labor about midway into the December 17 flight, just as the jet skirted the southern coast of Greenland, 35,000 feet below. An emergency landing would have required a two-hour diversion to a U.S. military base in the Azores Islands, so Dr. Hemal recommended to the pilot they continue to JFK International Airport, which was still four hours away. “Her contractions were about 10 minutes apart, so the pediatrician and I began to monitor her vital signs and keep her comfortable,” Dr Hemal explained. The doctors used instruments and supplies in the flight’s scanty medical kit to routinely check Ms Ogundipe’s vital signs, including blood pressure, oxygen rate and pulse. But within the course of an hour, Toyin’s contractions accelerated; they occurred seven, then five and finally two minutes apart. “T
    MEGA147966_003.jpg
  • A urology doctor delivered a baby boy during an eight-hour Air France flight from Paris to New York. Dr Sij Hemal, 27, was moments away from enjoying a glass of champagne in first class when he had to jump into action after 41-year-old passenger Toyin Ogundipe went into labor. Dr Hemal, a second-year urology resident at Cleveland Clinic’s Glickman Urological and Kidney Institute, safely delivered the baby — who was named Jake — before tying the umbilical cord with a makeshift surgical clamp… a shoe string. By chance, Dr Hemal had been seated next to a French pediatrician Dr. Susan Shepherd, who was able to help and gave the baby boy a clean bill of health upon delivery. Dr Hemal had been on a day-long journey from New Delhi, India, when the drama unfolded, and was making his way back to the U.S. after attending his best friend’s wedding the day before. “I was pretty tired from jet lag,” Dr Hemal said. “I thought I’d just have a drink and fall asleep. As it turned out, I’m glad I didn’t drink anything.” Ms Ogundipe, a banker who resides between the UK and Nigeria, was traveling with her four-year-old daughter Amy when she suddenly went into labor about midway into the December 17 flight, just as the jet skirted the southern coast of Greenland, 35,000 feet below. An emergency landing would have required a two-hour diversion to a U.S. military base in the Azores Islands, so Dr. Hemal recommended to the pilot they continue to JFK International Airport, which was still four hours away. “Her contractions were about 10 minutes apart, so the pediatrician and I began to monitor her vital signs and keep her comfortable,” Dr Hemal explained. The doctors used instruments and supplies in the flight’s scanty medical kit to routinely check Ms Ogundipe’s vital signs, including blood pressure, oxygen rate and pulse. But within the course of an hour, Toyin’s contractions accelerated; they occurred seven, then five and finally two minutes apart. “T
    MEGA147966_001.jpg
  • A urology doctor delivered a baby boy during an eight-hour Air France flight from Paris to New York. Dr Sij Hemal, 27, was moments away from enjoying a glass of champagne in first class when he had to jump into action after 41-year-old passenger Toyin Ogundipe went into labor. Dr Hemal, a second-year urology resident at Cleveland Clinic’s Glickman Urological and Kidney Institute, safely delivered the baby — who was named Jake — before tying the umbilical cord with a makeshift surgical clamp… a shoe string. By chance, Dr Hemal had been seated next to a French pediatrician Dr. Susan Shepherd, who was able to help and gave the baby boy a clean bill of health upon delivery. Dr Hemal had been on a day-long journey from New Delhi, India, when the drama unfolded, and was making his way back to the U.S. after attending his best friend’s wedding the day before. “I was pretty tired from jet lag,” Dr Hemal said. “I thought I’d just have a drink and fall asleep. As it turned out, I’m glad I didn’t drink anything.” Ms Ogundipe, a banker who resides between the UK and Nigeria, was traveling with her four-year-old daughter Amy when she suddenly went into labor about midway into the December 17 flight, just as the jet skirted the southern coast of Greenland, 35,000 feet below. An emergency landing would have required a two-hour diversion to a U.S. military base in the Azores Islands, so Dr. Hemal recommended to the pilot they continue to JFK International Airport, which was still four hours away. “Her contractions were about 10 minutes apart, so the pediatrician and I began to monitor her vital signs and keep her comfortable,” Dr Hemal explained. The doctors used instruments and supplies in the flight’s scanty medical kit to routinely check Ms Ogundipe’s vital signs, including blood pressure, oxygen rate and pulse. But within the course of an hour, Toyin’s contractions accelerated; they occurred seven, then five and finally two minutes apart. “T
    MEGA147966_002.jpg
  • April 27, 2018 - Greenland - Image Released Today: NASA's Operation IceBridge successfully collected data over several glaciers, research sites, and some parallel coastal grid lines on April 26, 2018, as part of its Spring 2018 campaign. Although the mission was slightly modified, it was one of the longest flights of the campaign, at 8.7 hours. Shown here is a minor mountain ridge dividing two distinct glacial valleys. (Credit Image: © Joe MacGregor/NASA via ZUMA Wire/ZUMAPRESS.com)
    20180427_shs_z03_273.jpg
  • By mid-summer each year, vibrant blue meltwater lakes dot the surface of the Greenland Ice Sheet. These lakes, also known as melt ponds, store a large amount of fresh water throughout the season, and they are an important part of the ice sheet's surface hydrology.<br />
The images above were acquired on July 15, 2015, by the Operational Land Imager (OLI) on Landsat 8. They show meltwater lakes on the ice near Greenland's west coast, about 100 kilometers (60 miles) southeast of Ilulissat. Dark debris coats the ice surface in some areas.<br />
"One reason we're interested in the lakes is because they might be important for speeding up the ice sheet," said Allen Pope, a glaciologist at the National Snow and Ice Data Center. Once the lakes grow large enough, Pope notes, they can force open crevasses in the ice. The melt water can then move through the crevasse to the base of the glacier and temporarily speed up ice flow across the bedrock below.<br />
Ultimately, the flowing ice will reach one of the many outlet glaciers that line Greenland's coast. Nordenskiöld Glacier, for example, is visible in the top image. Greenland's fastest-moving glacier, Jakobshavn, is immediately north of this image. Glaciers like these are the gateway through which ice can exit the ice sheet, enter the ocean, and contribute to<br />
sea level rise.<br />
So how large are these lakes? As the bottom, close-up image shows, size varies. Some lakes have a greater surface area than others, but that's not the only difference. Their depth can vary dramatically too, which becomes apparent in the various shades of blue.<br />
"Intuitively, you see this beautiful blue color, and you know the darker the blue, the deeper the lake," Pope said while describing an image of the same area as it appeared in summer 2014. "Which is nice, but we want to be able to quantify that."<br />
According to Pope, some lakes are shallow and lagoon-like, while others are as much as 9 meters (30 feet) deep. Pope and colleagues have been working on a technique to de
    rtisipausa_20553493.jpg
  • View Image Comparison<br />
View Both Images<br />
Zachariæ Isstrøm has become the latest Greenland glacier to undergo rapid changes in a warming world. Research published November 2015 in Science found that Zachariæ Isstrøm broke loose from a stable position in 2012 and entered a phase of accelerated retreat.<br />
The consequences will be felt for decades to come. The reason? Zachariæ Isstrøm is big. It drains ice from a 91,780 square kilometer (35,440 square mile) area of northeast Greenland. That's about 5 percent of the Greenland Ice Sheet. The glacier holds enough water to raise global sea level by more than 46 centimeters (18 inches) if it were to melt completely. It is already shedding billions of tons of ice into the far North Atlantic each year.<br />
"North Greenland glaciers are changing rapidly," said lead author Jeremie Mouginot of the University of California, Irvine (UCI). "The shape and dynamics of Zachariæ Isstrøm have changed dramatically over the last few years. The glacier is now breaking up and calving high volumes of icebergs into the ocean, which will result in rising sea levels for decades to come."<br />
The change is apparent in the images above. The top image was acquired by the Enhanced Thematic Mapper Plus (ETM+) on Landsat 7 on August 5, 1999, when the glacier was stable. The second image was acquired on August 2, 2015, with the Operational Land Imager (OLI) on Landsat 8. The second image shows how the ice shelf and glacier have melted and retreated substantially. Turn on the image comparison tool to see the difference.<br />
As of 2015, the glacier is losing 5 billion tons of ice every year. The time-lapse animation above shows the glacier's retreat during the 2015 melt season. The animation is composed of 26 natural-color images acquired by Landsat 8 from May 19 through October 1, 2015.<br />
To better understand the changes taking place at Zachariæ Isstrøm, Mouginot and his colleagues from NASA's Jet Propulsion Laboratory (JPL), and the University of Kansas compil
    rtisipausa_20553503.jpg
  • Mr Lupton ridden by Jamie Spencer goes on to win The Weatherbys Ireland Greenland Stakes during day one of the Curragh Spring Festival at Curragh Racecourse, County Kildare
    43114795.jpg
  • May 9, 2017 - Fairbanks, AK, U.S. - Mira Kleist, Special Advisor, Department of Foreign Affairs, Greenland, speaks at The Arctic-A Global Perspective session during the Arctic Council in Fairbanks, Alaska, on Tuesday, May 9, 2017. Listening to Kleist are Facilitator Mike Sfraga, of UAF and David Balton, Chair of the Senior Arctic Officials. (Credit Image: © Bob Hallinen/Alaska Dispatch News via ZUMA Wire)
    RTI20170509_zaf_a21_001.jpg
  • Mr Lupton ridden by Jamie Spencer goes on to win The Weatherbys Ireland Greenland Stakes during day one of the Curragh Spring Festival at Curragh Racecourse, County Kildare
    43114794.jpg
  • Mr Lupton ridden by Jamie Spencer (green centre) goes on to win The Weatherbys Ireland Greenland Stakes during day one of the Curragh Spring Festival at Curragh Racecourse, County Kildare
    43114796.jpg
  • Mr Lupton ridden by Jamie Spencer (green centre) goes on to win The Weatherbys Ireland Greenland Stakes during day one of the Curragh Spring Festival at Curragh Racecourse, County Kildare
    43114793.jpg
  • April 16, 2019 - Bengal - Lambert Land Lake during research flights for NASA's Operation IceBridge now in its final year after a decade of airborne missions to map polar ice. Frozen meltwater lake in the Lambert Land region of northeastern Greenland, between the Zacharia Isstrom and 79N glaciers. (Credit Image: ? NASA Earth Observatory/ZUMA Wire/ZUMAPRESS.com)
    20190416_sha_z03_326.jpg
  • April 18, 2019 - Bengal - Storstrommen Lake during research flights for NASA's Operation IceBridge now in its final year after a decade of airborne missions to map polar ice. Frozen meltwater lake in the Lambert Land region of northeastern Greenland, between the Zacharia Isstrom and 79N glaciers. (Credit Image: ? NASA Earth Observatory/ZUMA Wire/ZUMAPRESS.com)
    20190418_sha_z03_325.jpg
  • April 16, 2019 - Bengal - Petermann Pond during research flights for NASA's Operation IceBridge now in its final year after a decade of airborne missions to map polar ice. Frozen meltwater lake in the Lambert Land region of northeastern Greenland, between the Zacharia Isstrom and 79N glaciers. (Credit Image: © NASA Earth Observatory/ZUMA Wire/ZUMAPRESS.com)
    20190417_sha_z03_327.jpg
  • Laurie Greenland of MS Mondraker Team during day two of the 2017 UCI Mountain Bike World Cup at Fort William. PRESS ASSOCIATION Photo. Picture date: Sunday June 4, 2017. Photo credit should read: Tim Goode/PA Wire. RESTRICTIONS: Editorial use only, no commercial use without prior permission
    31589521.jpg
  • Gordon Lord Bryon ridden by Chris Hayes (second left) wins the Weatherby's Ireland Greenland Stakes at the Curragh Racecourse, Dublin.
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  • Gordon Lord Bryon ridden by Chris Hayes (left) wins the Weatherby's Ireland Greenland Stakes at the Curragh Racecourse, Dublin.
    31475563.jpg
  • File photo dated 22-05-2021 of Gustavus Weston ridden by Gary Carroll (left) on their way to winning the Weatherbys Ireland Greenlands Stakes during day one of the Tattersalls Irish Guineas Festival at Curragh racecourse. Joseph Murphy reports Gustavus Weston to be in fine shape ahead of the Qipco British Champions Sprint Stakes at Ascot on Saturday. Issue date: Wednesday October 13, 2021.
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  • Merchant Navy (centre left) ridden by jockey Ryan Moore wins the Weatherbys Ireland Greenlands Stakes during day one of the 2018 Tattersalls Irish Guineas Festival at Curragh Racecourse, County Kildare.
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  • Merchant Navy (centre left) ridden by jockey Ryan Moore wins the Weatherbys Ireland Greenlands Stakes during day one of the 2018 Tattersalls Irish Guineas Festival at Curragh Racecourse, County Kildare.
    36703697.jpg
  • Merchant Navy (left) ridden by jockey Ryan Moore wins the Weatherbys Ireland Greenlands Stakes during day one of the 2018 Tattersalls Irish Guineas Festival at Curragh Racecourse, County Kildare.
    36703667.jpg
  • Merchant Navy (left) ridden by jockey Ryan Moore wins the Weatherbys Ireland Greenlands Stakes during day one of the 2018 Tattersalls Irish Guineas Festival at Curragh Racecourse, County Kildare.
    36703665.jpg