In contrast, the new findings, published in the Dec.
However, the float-based estimates had suggested that, over the course of a year, the Southern Ocean was actually a net source of carbon dioxide rather than a sink, ultimately emitting about 0.3 billion metric tons of the gas back to the atmosphere each year. That means it plays an outsize role in modulating some of the immediate impacts of those emissions. That’s because the Southern Ocean alone has been thought to be responsible for nearly half of the global ocean uptake of humans’ CO₂ emissions each year. But “in many ways, was reassuring,” says Matthew Long, an oceanographer at the National Center for Atmospheric Research in Boulder, Colo. It’s not exactly a relief to say that the oceans, which are already becoming more acidic and storing record-breaking amounts of heat due to global warming, might be able to bear a little more of the climate change burden ( SN: 4/28/17 SN: 1/13/21). The new results counter a 2018 report that had found that the ocean surrounding Antarctica might not be taking up as much of the emissions as previously thought, and in some regions may actually be adding CO₂ back to the atmosphere. Adds the question how wide of a tire can I go? Is 2.3 or 2.The Southern Ocean is still busily absorbing large amounts of the carbon dioxide emitted by humans’ fossil fuel burning, a study based on airborne observations of the gas suggests. Loose over hard pack, with several muddy spots after it rains (which it does nearly 90% of the time it feels like).īeen hard to find specs, but I think the XC-2 wheel sets are 21mm internal going off measurements written on the wheel. Riding in central PA so it's a combination of technical rocky and root terrain with more preference on the fast and flowy trails when I come across them.
Keep hearing about the maxxis dhf and dhr combo everyone loves for grip, but seeing as they are DH focused tires, wondering if it would be too much or just look silly on the Fathom as it's a more XC focused bike? Was hoping I'd get some recommendations on more confidence building/grip tires. Have had several wash outs despite running lower pressures (23ish front, 29ish rear). Although the Maxxis Ikons that came with the bike are light and fast rolling, they don't give much confidence in the grip department. So I bought myself a 2018 Giant Fathom 2 29er earlier in the spring. " Every cyclist has something to teach and something to learn." Randonneuring (very long-distance cycling)Įmbs's (Fairly) Definitive Guide to Cold Weather Clothingĭoc: Mountain Bike Wide Range Cassette Spreadsheet If you need help choosing a bike, check out u/Bmied31's absolutely amazing Mountain Bike Buying Guide, as well as his equally amazing FAQ. No fundraising, karma-baiting or cryptic post titles. If you want to submit a trail or bike photo instead – your new bike leaning against a tree, or the view from top of the trail, for example – add it to the Weekly Gear Gallery Thread. The general rule is photo and video submissions to /r/mtb should be of people riding mountain bikes. Photos should be of people riding mountain bikes. If you need help choosing a bike, please be sure to tag your post with the WhichBike flair, and include some basic information, like your price range and the type of riding you'll be doing. If you think your post was removed by mistake, use the message the moderators link in the sidebar and include a link to your post. On the other hand, be generous with upvotes. Do not downvote opinions just because you disagree with them. Remember to vote based on quality, not opinion, and keep your submission titles factual and opinion-free. Please follow proper reddiquette, and if you haven't already, take a moment to read our wiki page and learn a bit about the site's history.
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