I'm not a biologist, so I'm curious to understand the implication of less oxygen in water. I can intuitively think that less life will survive, but what else happens? Is there a way to "inject" oxygen into the ocean?
One of my ponds has issues with low oxygen in the summer, the pond is too shallow and it can overheat when it's 95F and sunny out.
We lost quite a few fish last year (our first summer here). The pond also ends up with duckweed covering most of the surface - from what I've found duckweed does well in a low oxygen environment and does actually help to cool down and reoxygenate back into the water. When the duckweed overgrows, though, it blocks out too much light and can lead to an algae bloom that is really bad for the whole system.
I built a solar powered pond fountsin a month ago, it only runs for a few hours a day but seems to be helping quite a bit so far.
I raise this only to show how much can happen when a half acre pond is low on oxygen. On the scale of an ocean, I have to expect that it would take much more to get to that level of a problem, but if it did get there the cascading issues would have to be exponentially worse too.
I used a submersible pump rated for 6,900 GPH[1], no clue how accurste that rating is but it moves plenty of water.
I haven't had it long enough to say for sure that it's enough water flow for this size pond. Time will tell, but so far it does seem to have helped with duckweed we had a hot and dry couple of weeks.
I don't have a any links to the project or anything unfortunately. We don't use social media and haven't made the time to setup a website for our hobby farm.
Understood, and I appreciate. I've been ruminating on solutions to a very similar-sounding problem for a few summers, so your practical experience is helpful, thank you!
I started with Renogy's 400W kit, 1,000W inverter, and a deep cycle marine battery. That's actually the main reason I only run it for a few hours a day right now, I knew I was pushing the wattage limits of the panels.
I'll probably end up adding a couple more 100W panels, August will really let me know whether this can do enough work to keep the pond cooler and more oxygenated.
Hot water holds less oxygen then cold water. Oxygen, by itself, happily will go into solution with H2O if conditions are favorable. We can "inject" oxygen by slowing and reversing global warming.
I feel like assigning blame is neither here nor there. Leaders in these companies often look at what other companies are doing, and follow suite. There's an argument that Elon laying off 80% of twitter is another catalyst - so why companies not follow?
Ultimately, if hiring managers offered these roles because work was needed but no longer is, would you blame them for adjusting their approach?
How so? It costs money to store & retrieve this content, at reddit scale (100m active monthly?). Ads clearly weren't paying enough of the bills, so what's the next best option?
Reddit made $500M in revenue last year, yet is unprofitable. The reason isn't its AWS bill, but the "must 5x every year no matter what" mentality of their VCs who are looking for their exit. This pushes companies to overhire, add useless features and waste money on user acquisition just to chase that growth chart and have a successful IPO roadshow.
What are your recommendations for real news? I've heard FT, WSJ, and the economist, and am looking to finally commit and sign up instead of relying on free. You get what you pay for is true in this case, and I don't wanna put drama based narratives in my head, which form my perception of the world.
- Good if you care about mostly business in the developed world (Europe and US).
- Really, really, really good features, solid visualisation, and a fairly wide breath of writers in terms of opinions.
The Economist:
- Very opinionated, but extremely diverse coverage of lots of different parts of the world (I've never come across a better English language source on Africa, for example).
- Weekly, so if you only want to read news occasionally, it may work for you
WSJ:
- Pretty good coverage overall, the US business/tech coverage is much better (in depth) than the FT's
- Their opinion section is like the NYT in bizarro-world.
In terms of price FT > Economist > WSJ.
It really depends on what you're looking for, but the FT works for me as a daily driver (I ended my subscription to the Economist, and only signed up for the WSJ about a month ago).
Thank you, this is insightful. I fall squarely between FT & Economist, so I may end up subscribing to both, but given Economist is weekly, this might be a better match for my lifestyle.
I meant more industry specific news rather than general news. Organizations that cover niche topics, usually catering towards businesses or investors rather than the general public. In my case it's things like Covenant Review, Xtract Research, Debtwire, Reorg, etc. There are likely similar services catering to shipping and logistics that would provide better analysis on this situation than most general news organizations.
That would seem to be the case, but keep in mind that doesn't mean they are right (but I hope they are). We are in uncharted waters here, so the models and playbooks of investors may be even less accurate than normal.
It's also a way for PMs who own apps to build habit-forming loops. If you download the app, you can send push notifications, deep link from email, etc. "Better experience" and all that, ultimately leading to more ad impressions or a purchases in-app.
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Wow - totally forgot about Github, after reading your exchange I think I certainly have a new avenue to look into now. I know reading about programming is never a good substitute for actually doing, but seeing other code helps out tremendously. Thanks!
