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Mainstream group of scientists now say no consensus on sea-level rise Comments

Scientists from Germany, Netherlands, and the UK, have published a paper stating there is no scientific consensus that sea levels are rising. The paper was published in the journal Nature Geoscience. Continue Reading

11 - 15 of 15 Comments

  1. Melody Polson
    1 year ago

    Daniel B is correct-- the melt from floating ice doesn't raise seal level that much... when one adds the loss of glacial ice and ice floe from Iceland, Antarctica that is receding swiftly... then we'll see the catastrophic sea level rise.

    Climate change is real. Just ask 97% of the top climate scientists or any national science academy in the world.

    We are already seeing shifts in storm tracks... increased storm ferocity...

  2. J. Bob
    1 year ago

    So what the "scientific" has finally admitted is they cannot find the tie to CO2 being a major contribute to this cycle of climate change.

    As far as "consensus" goes, science does not go with consensus but with demonstrable facts, which are still lacking in proof of the human caused significant global warming,

    Of more interest, is how "scientists" sort of "cook the books", or temperatures:

  3. Peter Anderson
    1 year ago

    "...However, there does remain consensus that the gradual temperature trend is upwards and that humans are responsible. The question remains just how serious the problem really is, and what measures we should take, if any, based on what is still a simplistic understanding of a very complex issue."

    A previous article within this blog noted that sea level rises was, even in average, within the bounds of the long term 1mm to 3mm rise. Such a rise has been observed over centuries. It is not that those reported state sea levels are not increasing but that there is no unnatural alterations certain and observable to support claims of 'anthropogenic' effect.
    There are no Islands actually being threatened, this is been seen shown in comments to a previous article on this blog. There is not 'climate change' threatening via sea levels. Then too overall alterations to polar ice are not unnatural and show variation of natural kind, a point shown in comments to yet another article within this blog. The gradual... to repeat that word gradual... increase in global temperature is also not beyond that of the long term natural trend.
    This was also previously noted within comments to yet another article in this blog. That trend has altered 3 times, each linked to variation to solar behaviour, and so at ~100 year intervals persistently! There is general agreement that Temperature is rising (it has been for ~300 years after all, the 'little' ice age was a global dip in such warming), there isn't generally an 'agreement' of some anthropogenic effect being the (recent) cause, let alone the 'only' cause of observed warming. Again and still, CO2 is not Carbon and does not behave as such. Recall...






  4. Daniel B
    1 year ago

    "The ice caps are melting, so where is the water going?" - caption under a photo that highlights the northern polar icecap.

    Perhaps some simple research into the physics of the situation might be in order? This simple high school experiment shows that when floating ice melts, the level of water does not rise, but stays exactly the same. A paste from the comments section of that video:

    "Before Melting, By Archimedes Principle:
    mass of water displaced = mass of ice = m
    vol of ice submerged under water = vol of water displaced = m/ρ

    After Melting:
    mass of melted ice = m
    vol of melted ice = m/ρ

    Hence, volume of ice submerged under water before melting is exactly equal to volume of water formed after melting. Therefore, since volume remains constant, the water level within the cup also remains constant."

    The same applies for "ice" floating in our oceans; when it melts, the ocean levels remain the same. So the polar ice cap highlighted in your photo is really not something that has any impact at all on ocean levels, melted or not.

    Physics says that the only *possible* source of new water that could raise ocean levels is from melted ice that was supported by Land Masses. The two major locations of such ice are Greenland, and Antarctica, and the the average temp in Antarctica is around -50F.

    Worst case scenario, if you estimate the volume of ice supported in those two areas (some average thickness X area of land), convert it to an equivalent volume of water (X 0.9 is a good approximation) and then divide that by the water surface of planet Earth (4 X pi X r^2), you'd get a worst water level rise. It is negligible.

    Scientists get hung up on minutia: what about the expanding volume of water due to temperature rise?, what about the different density of salt water that has a bit of fresh water added to it?, etc etc. So it is easy to say they can't come to agreement , and have no consensus. It is also misleading.

    Advice from an older generation to a younger: physics does not work by consensus, it isn't politically correct, or moral. So when dealing with physics, stick to experiments, facts and math, and leave the other for situations where it has bearing.

  5. WeatherHead
    1 year ago

    The writer here seems to have completely misrread the source material. The scientists actually said there is not a consensus on whether the increase in the RATE of sea level rise is continuing to increase. They agree that sea levels are rising. They agree that the rate of sea level rise has increased. They are NOT in agreement that the RATE of sealevel rise will CONTINUE to increase. The seas are rising. The seas are rising faster than before. Will the seas continue rising faster and faster, more each year than the year before? Or will the sea level rise go back to a slower speed of rising? Not enough information yet to know how fast the rise will be in the future but if the rate of increase continues to rise, like a car with a stuck accelerator going ever faster, we are truly nearing end times.

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