Andrew Revkin says «The panels» overarching bottom line is straightforward: There is no substitute for dramatic reductions in the emissions of CO2 and other greenhouse gases to mitigate the negative consequences of climate change, and concurrently to
reduce ocean acidification.»
«there is no substitute for dramatic reductions in the emissions of CO2 and other greenhouse gases to mitigate the negative consequences of climate change, and concurrently to
reduce ocean acidification.»
# 30 mike said: Re sunshades, yes, what LG said at 14, plus, the shades do nothing to
reduce the ocean acidification... why would we want to expend the energy and resources to treat a symptom of planetary CO2 poisoning and take all the risks that LG describes when it pretty clear that the best approach is a wildly ambitious conversion to very low emission energy / transportation / agriculture systems **** followed by *** a wildly ambitious global program of CO2 sequestration / removal... and... under *** 400 ppm *** in *** a decade or *** two at most?
: Re sunshades, yes, what LG said at 14, plus, the shades do nothing to
reduce the ocean acidification... why would we want to expend the energy and resources to treat a symptom of planetary CO2 poisoning and take all the risks that LG describes when it pretty clear that the best approach is a wildly ambitious conversion to very low emission energy / transportation / agriculture systems **** concurrent with, and achieved by the same means, *** a wildly ambitious global program of CO2 sequestration / removal... and... under *** 300 ppm *** in 20 — 100 years, at most?
Washington state, the leading US producer of farmed shellfish, today launched a 42 - step plan to
reduce ocean acidification.
However, in the 2013 Fifth Assessment Report (AR5), the IPCC concluded that «Modelling indicates that SRM methods, if realizable, have the potential to substantially offset a global temperature rise, but they would also modify the global water cycle, and would not
reduce ocean acidification.»
This has great potential to lower atmospheric CO2 levels (reducing warming) and dissolved CO2 levels (
reducing ocean acidification).»
Nor do they consider the ancillary benefits, such as the improved local air quality and
reduced ocean acidification.
Not exact matches
Limestone scrubbers deployed at natural gas power plants could help
reduce carbon emissions as well as lower
ocean acidification by pumping a byproduct of the scrubbing process back into the water, according to an experiment conducted by the Energy Department's Lawrence Livermore National Laboratory.
For example,
ocean acidification may
reduce the populations of clams and snails that the walruses feed on; here, too, Wolfe says that the threat is certain.
«The marine calcifiers that live in polar regions are particularly vulnerable to the effects of
ocean acidification, a progress which is
reducing their mineralization capacity and forming calcium carbonate (CaCO3) skeletons used as a protective and supporting structure against predators» says Blanca Figuerola, main author of the scientific study.
Lubchenco emphasizes that the report highlights the need to formulate adaptation strategies to
ocean acidification as well as the urgency to create a stronger momentum to
reduce global carbon emissions.
The
reduced DMS emissions induce a significant positive radiative forcing of which 83 % (0.4 W / m2) can, in the model, be attributed to the impact of
ocean acidification alone.
«
Ocean acidification puts NW Dungeness crab at risk: Study finds lower pH
reduces survival of crab larvae.»
What's the best idea for
reducing the impacts of
ocean acidification on the environment and society?
Ocean acidification expected to accompany climate change may slow development and
reduce survival of the larval stages of Dungeness crab, a key component of the Northwest marine ecosystem and the largest fishery by revenue on the West Coast, a new study has found.
«The algae
reduce the calcification only when it is costly for them — namely under
ocean acidification,» says Professor Reusch.
Reducing other stressors such as pollution and overfishing, and the introduction of large scale marine protected areas, may help build some resilience to
ocean acidification.»
But
ocean acidification caused by climate change
reduces the available carbonate ions.
Ocean acidification reduces carbonate ion saturation, making it harder for marine organisms to produce the CaCO3 that they need to form their shells and frameworks.
Ocean acidification is also predicted to reduce microbial production of nitrate from ammonium (Beman et al., 2011), which could have major consequences for oceanic primary production because a significant fraction of the nitrate used by phytoplankton is generated by nitrification at the ocean surface (Yool et al., 2
Ocean acidification is also predicted to
reduce microbial production of nitrate from ammonium (Beman et al., 2011), which could have major consequences for oceanic primary production because a significant fraction of the nitrate used by phytoplankton is generated by nitrification at the
ocean surface (Yool et al., 2
ocean surface (Yool et al., 2007).
Ocean acidification and warming
reduce the survival rates of early life stages of some fish species.
Just this, spending about 1 — 2 % of WGP for the rest of the century
reduces atmospheric CO2 to around 290 — 300 ppm (and solves the
ocean acidification as well).
Reducing stressors that exacerbate ocean acidification conditions — Managers can support the resilience of reefs by reducing other stressors that affect marine ecosystems (e.g., declining water quality, coastal pollution, and overfishing of important species and functional groups, such as her
Reducing stressors that exacerbate
ocean acidification conditions — Managers can support the resilience of reefs by
reducing other stressors that affect marine ecosystems (e.g., declining water quality, coastal pollution, and overfishing of important species and functional groups, such as her
reducing other stressors that affect marine ecosystems (e.g., declining water quality, coastal pollution, and overfishing of important species and functional groups, such as herbivores.
Ocean acidification represents one of the most serious long - term threats to coral reef ecosystems and will continue through this century, irrespective of progress in
reducing emissions due to the amount of carbon dioxide already in the atmosphere.
As the Royal Society noted, however, the only real, overarching solution to
ocean acidification is setting significant global targets for
reducing CO2 emissions and sticking to them.
Joy N. Smith, Glenn De'ath, Claudio Richter, Astrid Cornils, Jason M. Hall - Spencer and Katharina E. Fabricius:
Ocean acidification reduces demersal zooplankton that reside in tropical coral reefs, Nature Climate Change, DOI: 10.1038 / nclimate3122
Develop, test, and, where appropriate, apply interventions to
reduce the effects of
ocean acidification on high - priority areas and species, for example by
reducing impacts from local disturbances.
Ocean acidification reduces the availability of carbonate ions that are required by many organisms — such as corals and mollusks — to build skeletons and shells.
Exploring and applying innovative interventions that
reduce effects of
ocean acidification where feasible — Direct interventions must be explored that potentially mitigate the impacts of
ocean acidification.
Scientists from the universities of Gothenburg (GU) and Kiel (CAU), as well as GEOMAR Helmholtz Centre for
Ocean Research Kiel and Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) found that ocean acidification leads to reduced rates of digestion in larvae of the ecologically important green sea urchin Strongylocentrotus droebachie
Ocean Research Kiel and Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) found that
ocean acidification leads to reduced rates of digestion in larvae of the ecologically important green sea urchin Strongylocentrotus droebachie
ocean acidification leads to
reduced rates of digestion in larvae of the ecologically important green sea urchin Strongylocentrotus droebachiensis.
Most also recognize that such global agreements are the most difficult to come by, and that local protection strategies and efforts to
reduce stressors on corals and marine life are important steps in at least staving off the impacts of
ocean acidification and global warming.
When acting in combination with other stressors, such as overfishing,
acidification can
reduce the provision of food from the
ocean considerably.»
What is critical to
reducing the effects of
ocean acidification surrounding coasts, says Spalding, is to protect and restore seagrass.
Although these methods potentially interfere with weather patterns and fail to
reduce carbon dioxide concentrations and
ocean acidification, Victor and colleagues call for a broad and solid foundation of geoengineering research.
But I did not know (and it is very new science) that
acidification also
reduces a form of carbonate necessary for tiny
ocean life to capture needed iron.
«This study shows that the increasing
acidification of the
oceans has the potential to
reduce larval survival in marine fish.
Odor tracking in sharks is
reduced under future
ocean acidification conditions.
We have to
reduce CO2 accumulation in atmosphere and
ocean or face more heat and increased
ocean acidification.
I think we have little time left to
reduce emissions globally to the level required to avoid the climate and
ocean acidification ramifications of continued and accelerated emissions.
While it is a very important point for the lay person to know that the
acidification of the
ocean by CO2 (it combines with water to produce dilute Carbonic Acid) can
reduce the effectiveness of the Calcium Carbonate processes at sequestering Carbon (and can even reverse it, by dissolving Calcium Carbonate), your model chemistry seems quite simplistic.
«Rising
acidification of the
ocean could
reduce fertilisation of marine invertebrates and might eventually wipe out colonies of sea urchins, lobsters, mussels and oysters, according to a study.
In conclusion, I don't think that the food supply effect of
ocean acidification is the strongest argument for
reducing emissions.
The 10 Earth System Models used here project similar trends in
ocean warming,
acidification, deoxygenation and
reduced primary productivity for each of the IPCC's representative concentration parthways (RCP) over the 21st century.
The
acidification of the
ocean is a much longer - term issue than acid rain, which goes away about two weeks after you
reduce sulfur and nitrogen emissions from smokestacks.
Realization that we must
reduce the current CO2 amount has a bright side: effects that had begun to seem inevitable, including impacts of
ocean acidification, loss of fresh water supplies, and shifting of climatic zones, may be averted by the necessity of finding an energy course beyond fossil fuels sooner than would otherwise have occurred.
He agreed that we would still need to
reduce the rate at which we put carbon dioxide in the atmosphere in order to counteract
acidification of the
ocean.
«Choosing additional climate targets other than the increase in global mean temperature (for example, limiting
ocean acidification) may also
reduce compatible emissions and again increase gross negative emissions requirements.»
Also predictable is that we can anticipate sea level rising by meters per century for centuries to come, and that the base of the
ocean food chain will be drastically changed and probably
reduced by
ocean acidification.
5
Ocean Acidification Ocean take large amount CO 2 from the atmosphere and there by
reduce the CO 2 level in the atmosphere.