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Oceans are heating up at a rate as much as 40% faster than the global consensus of scientists studying climate change had previously predicted. A team of scientists looking at the numerous recent studies which made that claim have now validated those studies’ conclusions based on ocean heat content (OHC) observations (actual ocean temperature data), according to a new report published in the journal Science on Friday. It also validates (as if we needed more proof) that the planet is clearly warming.
The latest report points to “[m]ultiple lines of evidence from four independent groups thus now suggest a stronger observed OHC warming.”
The report concludes that the “prospects for much higher OHC, sea level, and sea-surface temperatures should be of concern given the abundant evidence of effects on storms, hurricanes, and the hydrological cycle, including extreme precipitation events.”
Scientific American explained the significance of Science’s report. For the last twenty years, scientists have monitored ocean temperatures using sensors on buoys arrayed throughout the ocean that constantly provide government scientists with data regarding water temperatures worldwide. Prior to the buoy array, scientists relied on a more haphazard set of measurements taken by ships as they sailed around the globe – but this temperature data had large gaps that needed to be filled in. Scientists had been working to improve models and other statistical tools that analyzed the sparse measurements and then developed a more picture of ocean warming over the past century to use as a basis of comparison for recent temperature readings.
Why This Matters: Science matters. The more data scientists have to work with, the better they can understand the changes that are wreaking havoc with our planet. With more ocean observing sensors, which could be much more beneficial if we expanded the network of buoys and added sensors to more ships, we would not have to fill in nearly so many gaps and could do a much better job of forecasting risks and impacts, such as sea level rise, coral bleaching, and ocean acidification. As the experts who conducted the review said, “There is a clear need to continue to improve the ocean observation and analysis system to provide better estimates of OHC, because it will enable more refined regional projections of the future.”
Hundreds of citizens will fan out across the nation’s capital next week to meet with lawmakers in what’s projected to be the largest ocean lobby effort in US history. On Tuesday and Wednesday, they will meet with Biden administration officials, federal agencies, and members of Congress for a nonpartisan Ocean Climate Action Hill Day.
Why It Matters: As the Biden administration and the Congress begin to debate what’s infrastructure and therefore within the American Jobs Plan, the blue economy needs to be front and center in it.
The Evergiven is no longer stuck in the Suez Canal, but world shipping is hardly back to normal. In just six days, the massive container ship held up almost $60 billion in global trade. Supply chains across the world are delayed and off schedule, and the incident has economists and maritime experts across the globe reevaluating the efficacy of the current shipping economy.
Why this Matters: The pandemic has rocketed demand for goods (and vaccines) to all-time highs, but bottlenecks at many major ports and slow shipping speed could slow the global economy just as it begins to recover from COVID-19.
This explosive new documentary film about the fragile state of the ocean is grabbing attention – it even made the British edition of Vogue Magazine. In the last week since its release, it has vaulted into the top ten most-streamed films on Netflix. It has also caused quite a stir — you can read more […]
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