I don't take exception with what you're saying about warming, etc, but that limits the dynamics that could be at play,
including changes in the ocean basins, tectonics, etc..
This leaves all other feedbacks
including changes in ocean circulation, water vapour, clouds, and snow as the undetermined factors in past climate changes.
A number of causes have been suggested,
including changes in ocean currents due to melting glaciers and volcanic activity.
Not exact matches
The new report «Lights Out for the Reef», written by University of Queensland coral reef biologist Selina Ward, noted that reefs were vulnerable to several different effects of climate
change;
including rising sea temperatures and increased carbon dioxide
in the
ocean, which causes acidification.
Trump's stance on the environment contradicts thousands of scientists and decades of research, which has linked many observable
changes in climate,
including rising air and
ocean temperatures, shrinking glaciers, and widespread melting of snow and ice, to an increase
in greenhouse gas emissions from human activities.
In reality, earth science goes far beyond direct climate change research — and includes everything from the health of oceans to the threat of devastating solar storms in the upper atmospher
In reality, earth science goes far beyond direct climate
change research — and
includes everything from the health of
oceans to the threat of devastating solar storms
in the upper atmospher
in the upper atmosphere.
If gray whales do migrate to the
ocean next door, they'll find that a lot has
changed in the Atlantic since the species last plied its waters,
including increased ship traffic and higher temperatures.
Gibson and the team, which
included her postdoctoral adviser Bob Thunell, a professor
in the Department of Earth and
Ocean Sciences
in Carolina's College of Arts and Sciences, then correlated the
changes in the Cariaco Basin with
changes in other markers of climate
change at other sites all over the globe.
Climate
changes that began ~ 17,700 years ago
included a sudden poleward shift
in westerly winds encircling Antarctica with corresponding
changes in sea ice extent,
ocean circulation, and ventilation of the deep
ocean.
Ocean acidification (OA) is spreading rapidly
in the western Arctic
Ocean in both area and depth, according to new interdisciplinary research
in Nature Climate
Change by a team of international collaborators,
including University of Delaware professor Wei - Jun Cai.
However,
in some parts of the
ocean,
including areas off the east coasts of Africa, Australia, and Southeast Asia, deoxygenation caused by climate
change was not evident even by 2100.
Some lawmakers have questioned whether certain National Science Foundation grants,
including those examining
changes in ocean pH, are
in the «national interest.»
(2)
include,
in the case of a coastal State, a strategy for addressing the impacts of climate
change and
ocean acidification on the coastal zone that --
The flight command
in Beijing made efforts to save the mission,
including changing the flight path, before the satellite plunged
in the Pacific
Ocean.
(C) mitigate the destructive impact of
ocean - related climate
change effects,
including effects on bays, estuaries, populated barrier islands and other
ocean - related features, through a variety of means and measures,
including the construction of jetties, levies, and other coastal structures
in densely populated coastal areas impacted by climate
change.
Consistent with observed
changes in surface temperature, there has been an almost worldwide reduction
in glacier and small ice cap (not
including Antarctica and Greenland) mass and extent
in the 20th century; snow cover has decreased
in many regions of the Northern Hemisphere; sea ice extents have decreased
in the Arctic, particularly
in spring and summer (Chapter 4); the
oceans are warming; and sea level is rising (Chapter 5).
The main factors
include solar variability, volcanic activity, atmospheric composition, the amount of sunlight reflected back into space,
ocean currents and
changes in the Earth's orbit.
Nieves» team, which
included participation from the Mediterranean Institute for Advanced Studies
in Esporles, Spain, set out to detect decadal sea level
changes over large U.S. coastal
ocean regions.
The results, reported
in the journal Nature Geoscience, have consequences for many fields of science,
including the study of
ocean circulation and past climate
change.
This scientific research informs debates on issues
including climate
change,
ocean acidification and plastics
in the sea.
Possible mechanisms
include (vii)
changes in ocean temperature (and salinity), (viii) suppression of air - sea gas exchange by sea ice, and (ix) increased stratification in the Southern O
ocean temperature (and salinity), (viii) suppression of air - sea gas exchange by sea ice, and (ix) increased stratification
in the Southern
OceanOcean.
Such priorities
include: 1) establishing an
ocean carbon chemistry baseline; 2) establishing ecological baselines; 3) determining species / habitat / community sensitivity to
ocean acidification; 4) projecting
changes in seawater carbonate chemistry; and 5) identifying potentially synergistic effects of multiple stressors.
Fisheries and marine resource economics with variety of topics
including bioeconomics, climate
change, international trade, trans - boundary conservation, and rights - based management with emphasis
in examining the complexities and relationships between the
ocean, fish, fishermen, markets and policies.
Three global bleaching events have taken place since the 1980s,
including one that is going on right now, as a result of climate
change increasing acidity levels and temperatures
in the world's
oceans.
Natural factors contributing to past climate
change are well documented and
include changes in atmospheric chemistry,
ocean circulation patterns, solar radiation intensity, snow and ice cover, Earth's orbital cycle around the sun, continental position, and volcanic eruptions.
The consensus is that several factors are important: atmospheric composition (the concentrations of carbon dioxide, methane);
changes in the Earth's orbit around the Sun known as Milankovitch cycles (and possibly the Sun's orbit around the galaxy); the motion of tectonic plates resulting
in changes in the relative location and amount of continental and oceanic crust on the Earth's surface, which could affect wind and
ocean currents; variations
in solar output; the orbital dynamics of the Earth - Moon system; and the impact of relatively large meteorites, and volcanism
including eruptions of supervolcanoes.
By Andrew Rhodes The
ocean is a major influence on the world's climate and must be
included in modelling to predict future climate
change.
Climate
change,
including acidification of the
oceans, will likely affect many of the plants and animals
in our sea and
oceans.
Rising CO2 levels have been linked to the globe's average temperature rise as well as a host of other
changes to the climate system
including sea level rise, shifts
in precipitation,
ocean acidification, and an increase
in extreme heat.
Source: Lyman 2010 The reaction of the
oceans to climate
change are some of the most profound across the entire environment,
including disruption of the
ocean food chain through chemical
changes caused by CO2, the ability of the sea to absorb CO2 being limited by temperature increases, (and the potential to expel sequestered CO2 back into the atmosphere as the water gets hotter), sea - level rise due to thermal expansion, and the amount of water vapour
in the atmosphere.
The latter is almost linearly related to
changes in ice sheet volume; the former, however, is influenced by a range of factors,
including atmosphere /
ocean dynamics and
changes in Earth's gravitational field, rotation, and crustal and the mantle deformation associated with the redistribution of mass between land ice and the
ocean.
A Signature Travel Network Learning Immersion Cruise that Alyssa Elmore of Legacy Travel took
included a site inspection of One & Only
Ocean Club
in Nassau, which «
changed my entire perspective of the Bahamas.»
Impacts to Seabirds Seabirds
in the park and throughout southern California are impacted by many factors
including contaminants, oil spills, invasive species, and
changes in the
ocean environment.
This 1st floor bay front condo has it all - great location, great beach, and panoramic bay and
ocean views,
including ever -
changing tides rolling
in and out.
The first is to emphasize your point that degassing of CO2 from the
oceans is not simply a matter of warmer water reducing CO2 solubility, and that important additional factors
include changes in wind patterns, reduction
in sea ice cover to reveal a larger surface for gas escape, and upwelling of CO2 from depths consequent to the
changing climate patterns.
Other factors would
include: — albedo shifts (both from ice > water, and from increased biological activity, and from edge melt revealing more land, and from more old dust coming to the surface...); — direct effect of CO2 on ice (the former weakens the latter); — increasing, and increasingly warm, rain fall on ice; — «stuck» weather systems bringing more and more warm tropical air ever further toward the poles; — melting of sea ice shelf increasing mobility of glaciers; — sea water getting under parts of the ice sheets where the base is below sea level; — melt water lubricating the ice sheet base; —
changes in ocean currents -LRB-?)
The
changes include changes in the TOA energy dynamic related to
changes in ocean and atmospheric circulation —
changes in cloud.
The threats of climate
change and
ocean acidification loom increasingly ominously for the future, but local stressors
including an explosion
in tourism, overfishing, and the resulting increase
in macroalgae have been the major drivers of the catastrophic decline of Caribbean corals up until today.
It will take some time to integrate the findings of this study with other evidence of
changes in North Atlantic
ocean circulation,
including the
changes seen
in salinity,
changes in the so - called Atlantic Multidecadal Oscillation (AMO)(see e.g. Knight et al, 2005 and references therein) and other indicators of Atlantic climate
change (e.g. Dickson et al, 2002).
I wonder, given the recent news about the various ways plankton actively affect the
oceans,
including churning the upper 100 meters, if any of the cycles could reflect big
changes in which species predominate over time.
There is a potential for both positive and negative feedbacks between the
ocean and atmosphere,
including changes in both the physics (e.g., circulation, stratification) and biology (e.g., export production, calcification) of the
ocean.
Ideas that commonly surface
include perturbations to the earth's orbit by other planets, disruptions of
ocean currents, the rise and fall of greenhouse gases, heat reflection by snow, continental drift, comet impacts, Genesis floods, volcanoes, and slow
changes in the irradiance of the sun.
Updated, 3:10 p.m. Using climate models and observations, a fascinating study
in this week's issue of Nature Climate
Change points to a marked recent warming of the Atlantic
Ocean as a powerful shaper of a host of notable changes in climate and ocean patterns in the last couple of decades — including Pacific wind, sea level and ocean patterns, the decade - plus hiatus in global warming and even California's deepening dro
Ocean as a powerful shaper of a host of notable
changes in climate and
ocean patterns in the last couple of decades — including Pacific wind, sea level and ocean patterns, the decade - plus hiatus in global warming and even California's deepening dro
ocean patterns
in the last couple of decades —
including Pacific wind, sea level and
ocean patterns, the decade - plus hiatus in global warming and even California's deepening dro
ocean patterns, the decade - plus hiatus
in global warming and even California's deepening drought.
They also ignored the processes involved,
including, but not limited to, the differences
in properties of grazed lands compared to woodlands, the effect of the
ocean and other sequestration sinks, and the fact the while undergoing deterioration and desertification, poorly managed grasslands are an emission source instead of a sequestration sink due to land use
changes.
The
changes include changes in wind patterns — so those are going to
change how, where, and when and how much
changes about how the upper
ocean waves mix surface water.
Other forcings,
including the growth and decay of massive Northern Hemisphere continental ice sheets,
changes in atmospheric dust, and
changes in the
ocean circulation, are not likely to have the same kind of effect
in a future warming scenario as they did at glacial times.
The same is true for
changes in the
oceans driven by human activity,
including the CO2 buildup.
Alarmed at the pace of
change to our Earth caused by human - induced climate
change,
including accelerating melting and loss of ice from Greenland, the Himalayas and Antarctica, acidification of the world's
oceans due to rising CO2 concentrations, increasingly intense tropical cyclones, more damaging and intense drought and floods,
including glacial lakes outburst loods,
in many regions and higher levels of sea - level rise than estimated just a few years ago, risks
changing the face of the planet and threatening coastal cities, low lying areas, mountainous regions and vulnerable countries the world over,
The fate of sea ice
in the Arctic
Ocean is determined by a complicated mix of factors,
including the pressure
changes, with the biggest loss of old thick ice resulting more from a great «flush» of floes than melting, Dr. Rigor and many other scientists tracking the region say.
«This year, we will press the United States and other nations to exert strong leadership
in advancing an agenda that extends beyond whaling to the broader range of threats that imperil whales throughout our
oceans,
including ship strikes, chemical and noise pollution, entanglement, oil spills, radioactive contamination, emerging diseases and climate
change,» says Kitty Block, HSI vice president, who will be attending the IWC meeting for the 14th time.