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Science Alert: Experts Respond

Antarctic glaciers in hot water – Expert Reaction

Sarah-Jane O'Connor posted in on October 26th, 2016.

Hundreds of metres of solid ice were lost from West Antarctica’s glaciers between 2002 and 2009, according to a US-led study published today in Nature Communications. Warm ocean waters beneath ice shelves are linked to melting the ice from below, but the effect is difficult to measure. Using data collected from a NASA airborne study, […]

Leaf fossils hold clues for melting Antarctic ice – In the News

Tessa Evans posted in on October 21st, 2016.

Buried in sediment under an ancient crater lake in Central Otago, fossilised leaves have helped Kiwi researchers find the long-term effects of increasing CO2 levels on melting Antarctic ice. Preserved in sediment containing no oxygen to aid decomposition, the sediment cores were essentially stacked annual layers similar to tree ring or ice cores. Studying the […]

Antarctic ice may melt faster than expected – In the News

John Kerr posted in on February 23rd, 2016.

Antarctica’s large land-based ice sheets may be more vulnerable to increasing global temperatures than previously thought, according to new research from New Zealand, US and European scientists. Analysing drill cores of Antarctic rock, they found that Antarctica became its warmest ever 15 million years ago  when carbon dioxide levels were 500ppm – only slightly higher […]

Antarctic marine protection bids fail – Expert reaction

John Kerr posted in on November 2nd, 2015.

Two proposals to establish Marine Protected Areas (MPAs) in Antarctic waters have failed to be adopted by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) at its annual meeting in Hobart. Proposals for MPAs in the Ross Sea and the East Antarctic coastal region were discussed, but the required final consensus by […]

Antarctic melt and long term sea level rise – In the news

John Kerr posted in on October 16th, 2015.

New modelling of Antarctic ice-sheet loss paints a grim picture of long-term sea level rise. The new paper published in Nature by researchers from New Zealand, Australia and the US, used computer simulations to estimate how Antarctica will react to different warming scenarios in the future. Although there are uncertainties in the modelling, the simulations […]

Antarctic biodiversity needs protection – Expert reaction

John Kerr posted in on June 25th, 2015.

Antarctica is teeming with life, but that life needs protection, say the authors of a new review published in Nature. Recent research has revealed that the variety of life in the seemingly inhospitable Antarctic is much greater than previously thought. However the review authors – including a New Zealander – warn that without adequate protection, […]

SMC BRIEFING: Unmanned flight – pushing the limits

John Kerr posted in on November 25th, 2014.

Consumer-grade and custom-designed drones and unmanned aerial vehicles (UAVs) have exploded onto the market in recent years, opening up a surprising range of potential applications, but also raising concerns that the speed of technology development is outstripping current safety rules.   A new briefing from the SMC brings together several experts to explore the range of […]

Getting in the thick of Antarctic ice – experts respond

John Kerr posted in on November 25th, 2014.

Sea ice in the Antarctic may be thicker than previously thought, according to a study published online in Nature Geoscience. Although the aerial extent of Antarctic sea ice is easily tracked by satellites, estimating the thickness of the ice from above has proven challenging. Researchers from Australia, the US and the UK used an autonomous […]

World Science Week underway in Auckland

John Kerr posted in on August 26th, 2014.

Auckland is abuzz with science as a number of high-level conferences kick off in the city. The events are taking place under the banner of World Science Week New Zealand, supported by the Royal Society of New Zealand and the Ministry of Business Innovation and Employment. In addition to a number of conferences, there is […]

Antarctic science in the New Zealand Herald

John Kerr posted in on August 18th, 2014.

Ahead of next week’s Scientific Committee on Antarctic Research biennial meeting in Auckland, the New Zealand Herald‘s Jamie Morton highlights eight Kiwi research projects currently under way in the deep south. An excerpt (read in full here): Kiwis in Antarctica: Secrets of the ice world 1. Buried climate clues Hidden hundreds of metres below the […]

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