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Sea Level Rise Will Force Millions Inland—Even at 1.5°C. Here’s What Comes Next
Summary:You’re not ready for what’s coming. Sea level rise is no longer a far-off concern—it’s an accelerating crisis set to displace hundreds of millions, collapse economies, and push infrastructure beyond breaking. And no, 1.5°C won’t save us. The Reality: 1.5°C Isn’t “Safe” AnymoreNew research confirms it: even if global temperatures hold at 1.5°C—already a stretch—we’re locked into…
SciTech Chronicles. . . . . . . . .Mar 6th, 2025
We share the world with tiny dinosaurs that sing when the sun comes out. Vol II No 59 400 links Curated Transparent Stretchable Substrate'
NJDEP Releases Report on Sea-Level Rise in New Jersey
NJDEP Releases Report on Sea-Level Rise in New Jersey
On December 12, 2019, the New Jersey Department of Environmental Protection (“NJDEP”) released a report discussing historical sea-level rise (“SLR”) in New Jersey and estimating SLR for the next 100+ years. The Rising Seas and Changing Coastal Storms report (“Report”) was commissioned by NJDEP and prepared by Rutgers University’s New Jersey Science and Technical Advisory Panel.
The historical…
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Global climate change is endangering small island countries, many of them developing nations, potentially harming their ability to function...
Mountain Glaciers Are Main Contributors to Rising Seas
Melting mountain glaciers might account for almost a 3rd of the sea-level rise that is occurred within the final 60 years, new analysis suggests. That makes their contributions to international ocean ranges on par with the huge Greenland ice sheet and much more important than Antarctica. As glaciers soften, a lot of the water runs into close by rivers and ultimately into the oceans. So despite the fact that they are typically positioned in mountainous areas of the world, they're rapid contributors to rising seas. The one larger contributor to international sea-level rise is the warming of the oceans themselves, which causes water to broaden. "Glaciers are, at the moment, one of the relevant drivers, and they will remain so over probably the next century," mentioned lead research creator Michael Zemp, a glaciologist on the College of Zurich. "Because they are very sensitive--much more sensitive than the ice sheets--they are really causing the trouble now." That places many areas prone to dropping ice cowl within the coming a long time. If the melting would not decelerate, the research suggests, glaciers would all however disappear by the tip of the century in locations like western Canada, the USA, Central Europe and New Zealand. That makes the melting an issue in two methods. Not solely will the glaciers proceed to contribute to international sea-level rise--as lengthy as they last--but native water provides are more likely to dwindle as they disappear. Summer season soften from mountain glaciers is usually an essential supply of contemporary water for close by communities. "These mountain glaciers feed large populations," mentioned Alex Gardner, a glacier knowledgeable at NASA's Jet Propulsion Laboratory. "Proper now, they're in all probability seeing a rise in discharge in the course of the heat, dry months when these glaciers are contributing a big fraction of the stream movement. However as we get out 50 or 100 years, that contribution goes to begin to decelerate. "I feel we'll have a way more consequential affect when it comes to water sources as that water reservoir is not obtainable," he added. The brand new findings, printed yesterday within the journal Nature, drew on a mixture of discipline observations, collected on web site from almost 500 glaciers worldwide, and satellite tv for pc knowledge protecting greater than 19,000 glaciers. Combining that knowledge allowed researchers to assemble a time sequence of the melting that has occurred in areas all around the world, going again to 1961. The size of the time sequence is an enormous benefit of the brand new work, Zemp urged. And Gardner added that the brand new research might tackle some uncertainties scientists have had about earlier estimates from the 1960s. Broadly, although, the findings reinforce estimates from earlier research, which have additionally urged that mountain glaciers are main drivers of world sea-level rise. A 2013 paper in Science led by Gardner additionally indicated that glaciers account for a couple of third of all latest sea-level rise, though that research centered on the interval from 2003 to 2009. The brand new research helps to focus on a difficulty with rapid penalties, mentioned glaciologist Tad Pfeffer of the College of Colorado at Boulder. The Greenland and Antarctic ice sheets are inclined to garner probably the most consideration relating to the difficulty of sea-level rise, principally as a result of their potential contributions are so monumental. The Greenland ice sheet incorporates sufficient ice to lift international sea ranges by about 20 ft if all of it melted away, and Antarctica might contribute a staggering 200 ft. Whereas scientists work to know how rapidly sure areas of these ice sheets might destabilize, their greatest contributions to sea ranges are more likely to happen over for much longer time scales. However, as the brand new analysis confirms, mountain glaciers are one of many greatest drivers of sea-level rise proper now--and their fast disappearance additionally carries rapid penalties for close by human communities. It is a difficulty that wants extra consideration, Pfeffer mentioned. "It is very tough to get funding to review small glaciers," he defined, including that probably the most urgent want for sea-level predictions, to assist coastal communities put together themselves, is for the interval protecting the following few a long time. "On that point scale, these mountain glaciers are in all probability nonetheless going to be the dominant factor, and we neglect them at our peril," Pfeffer mentioned. In a normal sense, the research of mountain glaciers emphasizes the velocity at which local weather change is already occurring, and the large-scale adjustments it is already inflicting on landscapes all around the world. "It is weird that we're capable of sit right here and inside our lifetime watch quite a lot of these glaciers in these areas disappear," Gardner said. "It is form of haunting to see these items disappear in entrance of our eyes." Read the full article
Mountain Glaciers Are Main Contributors to Rising Seas
Melting mountain glaciers might account for practically a 3rd of the sea-level rise that is occurred within the final 60 years, new analysis suggests. That makes their contributions to world ocean ranges on par with the large Greenland ice sheet and much more vital than Antarctica. As glaciers soften, a lot of the water runs into close by rivers and ultimately into the oceans. So regardless that they are typically situated in mountainous areas of the world, they're instant contributors to rising seas. The one greater contributor to world sea-level rise is the warming of the oceans themselves, which causes water to broaden. "Glaciers are, at the moment, one of the relevant drivers, and they will remain so over probably the next century," mentioned lead examine creator Michael Zemp, a glaciologist on the College of Zurich. "Because they are very sensitive--much more sensitive than the ice sheets--they are really causing the trouble now." That places many areas vulnerable to shedding ice cowl within the coming a long time. If the melting does not decelerate, the examine suggests, glaciers would all however disappear by the top of the century in locations like western Canada, america, Central Europe and New Zealand. That makes the melting an issue in two methods. Not solely will the glaciers proceed to contribute to world sea-level rise--as lengthy as they last--but native water provides are more likely to dwindle as they disappear. Summer time soften from mountain glaciers is commonly an necessary supply of recent water for close by communities. "These mountain glaciers feed large populations," mentioned Alex Gardner, a glacier skilled at NASA's Jet Propulsion Laboratory. "Proper now, they're in all probability seeing a rise in discharge in the course of the heat, dry months when these glaciers are contributing a big fraction of the stream movement. However as we get out 50 or 100 years, that contribution goes to begin to decelerate. "I believe we'll have a way more consequential influence by way of water sources as that water reservoir is not accessible," he added. The brand new findings, printed yesterday within the journal Nature, drew on a mixture of area observations, collected on website from practically 500 glaciers worldwide, and satellite tv for pc information overlaying greater than 19,000 glaciers. Combining that information allowed researchers to assemble a time sequence of the melting that has occurred in areas all around the world, going again to 1961. The size of the time sequence is an enormous benefit of the brand new work, Zemp urged. And Gardner added that the brand new examine might deal with some uncertainties scientists have had about earlier estimates from the 1960s. Broadly, although, the findings reinforce estimates from earlier research, which have additionally urged that mountain glaciers are main drivers of worldwide sea-level rise. A 2013 paper in Science led by Gardner additionally indicated that glaciers account for a couple of third of all current sea-level rise, though that examine targeted on the interval from 2003 to 2009. The brand new examine helps to focus on a difficulty with instant penalties, mentioned glaciologist Tad Pfeffer of the College of Colorado at Boulder. The Greenland and Antarctic ice sheets are inclined to garner essentially the most consideration with regards to the difficulty of sea-level rise, principally as a result of their potential contributions are so huge. The Greenland ice sheet comprises sufficient ice to lift world sea ranges by about 20 ft if all of it melted away, and Antarctica might contribute a staggering 200 ft. Whereas scientists work to know how shortly sure areas of these ice sheets might destabilize, their largest contributions to sea ranges are more likely to happen over for much longer time scales. However, as the brand new analysis confirms, mountain glaciers are one of many largest drivers of sea-level rise proper now--and their fast disappearance additionally carries instant penalties for close by human communities. It is a difficulty that wants extra consideration, Pfeffer mentioned. "It is very tough to get funding to check small glaciers," he defined, including that essentially the most urgent want for sea-level predictions, to assist coastal communities put together themselves, is for the interval overlaying the following few a long time. "On that point scale, these mountain glaciers are in all probability nonetheless going to be the dominant factor, and we neglect them at our peril," Pfeffer mentioned. In a common sense, the examine of mountain glaciers emphasizes the velocity at which local weather change is already occurring, and the large-scale adjustments it is already inflicting on landscapes all around the world. "It is weird that we're capable of sit right here and inside our lifetime watch a number of these glaciers in these areas disappear," Gardner said. "It is type of haunting to see this stuff disappear in entrance of our eyes." Read the full article
Sea-level rise isn’t just happening; it’s accelerating
Sea-level rise isn’t just happening; it’s accelerating
Sea-level rise isn’t just happening; it’s accelerating. And some areas of the United States—like Florida—are seeing “hot spots” where the ocean can creep up six times faster than average. Those are the findings of two new studies published yesterday, which have potentially troubling implications for urban planners trying to address sea-level rise. They also help explain why residents of Florida…
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Sea-Level Rise: Bubble, Bubble, GigaTons of Methane Trouble | Paul Beckwith
Sea-Level Rise: Bubble, Bubble, GigaTons of Methane Trouble | Paul Beckwith
Methane and Sea-Level Rise GR: Climate Scientist, Professor Paul Beckwith, who you may know from his frequent YouTube posts, believes that current climate-change model predictions of sea-level rise make incorrect assumptions and dramatically underestimate rise. Beckwith has convincingly argued that all the positive feedbacks, especially from exponential increase in methane released by warming sea…
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