Sentences with phrase «oceans on a global scale»

«If you look at the nutrient distributions in the oceans on a global scale, you can see regional differences,» says Dr. Browning.
POGO is an international network of collaborators who foster partnerships that advance efficiency and effectiveness in studying and monitoring the world's oceans on a global scale.
And whereas oceanographers once limited their perspectives to small regions of the ocean, they now understand the importance of viewing the ocean on a global scale.

Not exact matches

The findings reveal a crucial and underappreciated role that animals have in ocean chemistry on a global scale, explained first author Daniele Bianchi, a postdoctoral researcher at McGill University who began the project as a doctoral student of atmospheric and oceanic sciences at Princeton.
The findings reveal a crucial and underappreciated role that animals have in ocean chemistry on a global scale.
New NOAA - led research maps the distribution of aragonite saturation state in both surface and subsurface waters of the global ocean and provides further evidence that ocean acidification is happening on a global scale.
The results of their study confirm that oceans are good at balancing the nitrogen cycle on a global scale.
An unprecedented analysis of North Pacific ocean circulation over the past 1.2 million years has found that sea ice formation in coastal regions is a key driver of deep ocean circulation, influencing climate on regional and global scales.
He believes that no one has thought of combining the two theories before because it's not an intuitive idea to look at how the effects of changing patterns of ocean circulation, which occur on time scales of thousands of years, would effect global silicate weathering, which in turn controls global climate on time scales of 100s of thousands of years.
The working group on coupled biogeochemical cycling and controlling factors dealt with questions regarding the role of plankton diversity, how ocean biogeochemistry will respond to global changes on decadal to centennial time scales, the key biogeochemical links between the ocean, atmosphere, and climate, and the role of estuaries, shelves, and marginal seas in the capturing, transformation, and exchange of terrestrial and open - marine material.
Scientists at the School of Ocean Sciences, Bangor University have completed a comprehensive review of the literature on the mechanisms of potential coral resistance and recovery across scales from global reef areas to the microbial level within individual corals.
And what we see is both how complex climate changes can be and how profound an effect changing patterns of ocean circulation can have on global climate states, if looked at on a geological time scale
Where atmospheric CO2 works on a rather abstract, global scale, ocean acidification works on the local one as well, devastating or sometimes completely destroying local ecosystems.
To remove this difference in magnitude and focus instead on the patterns of change, the authors scaled the vertical profiles of ocean temperature (area - weighted with respect to each vertical ocean layer) with the global surface air temperature trend of each period.
«By improving how we simulate the biological pump in the ocean, we both improve the model and reveal this unexpected resilience, whereby global - scale changes to the physical properties of the ocean have a smaller effect on the biological pump.
On shorter time scales, however, changes in heat storage (i.e., ocean heat uptake or release) can affect global mean temperature.
Cooling of the tectonic plates, and the impact of the ridge flank system on the chemistry of the ocean, are fundamental global - scale processes.
Landmark Global Scale Study Reveals Potential Future Impact of Ocean Acidification on Species» Distribution
Observed changes in ocean heat content have now been shown to be inconsistent with simulated natural climate variability, but consistent with a combination of natural and anthropogenic influences both on a global scale, and in individual ocean basins.
On the 500 Mio year time scale you have to consider continental shifts which have important impacts on climate (e.g. completely different global ocean circulationOn the 500 Mio year time scale you have to consider continental shifts which have important impacts on climate (e.g. completely different global ocean circulationon climate (e.g. completely different global ocean circulation).
Pay particular attention to the temperature scale on the left hand side — 1 cm is equivalent to 0.2 degrees centigrade — and think about what we are trying to measure — the global average temperature, all of it, oceans, atmosphere and continents.
The new research is a regional climate study of historical sea level pressures, winds and temperatures over the eastern Pacific Ocean and draws no conclusions about climate change on a global scale.
The much slower thermohaline circulation mixes cold abyssal water on a time scale of centuries — the global ocean turnover time estimated from bottom current velocities is estimated to be on the order of half a millennium
Ocean salinity changes, while unimportant for sea level at the global scale, can have an effect on regional sea level (e.g., Antonov et al., 2002; Ishii et al., 2006; Section 5.5.3).
Knowing where and when a given species is being taken from the ocean allows for a much better assessment of fisheries management on a global scale.
But I would suppose that equilibrium climate sensitivity [background] and even global mean surface temperature on a decadal scale could be better nailed down by model pruning and better ocean data.
Climate change, rising atmospheric carbon dioxide, excess nutrient inputs, and pollution in its many forms are fundamentally altering the chemistry of the ocean, often on a global scale and, in some cases, at rates greatly exceeding those in the historical and recent geological record.
37 Question 6 What impact do oceans have on the formation of weather systems on a global scale?
On decadal and longer time scales, global mean sea level change results from two major processes, mostly related to recent climate change, that alter the volume of water in the global ocean: i) thermal expansion (Section 5.5.3), and ii) the exchange of water between oceans and other reservoirs (glaciers and ice caps, ice sheets, other land water reservoirs - including through anthropogenic change in land hydrology, and the atmosphere; Section 5.5.5).
Changes in the ocean can cause dramatic changes to climate and weather patterns on a global scale.
as we can we may be able to influence albedo on an ocean scale — and hopefully create a little bit of global cooling.
It is thought that the poor representation of ocean upwelling in current models has larger scale impacts reducing the accuracy of model projections on a global scale.
«Routine measurements from space can provide quasi-synoptic, reproducible data for investigating processes on global scales; they may also be the most efficient way to monitor the ocean surface,» the researchers wrote.
[1] The SPCZ can affect the precipitation on Polynesian islands in the southwest Pacific Ocean, so it is important to understand how the SPCZ behaves with large - scale, global climate phenomenon, such as the ITCZ, El Niño — Southern Oscillation, and the Interdecadal Pacific oscillation (IPO), a portion of the Pacific decadal oscillation.
So there is the first bit of information: If you do not believe that the climate is warming on a global scale then in terms of evolution you are less knowledgeable about your environment (less intelligent) then the great majority of animals, plants, insects, and even ocean dwelling single celled organisms like plankton.
It should also be noted that observations related to sub-surface ocean circulation (oceanology), the prime source of internal variability, have only recently commenced on a consistent global scale.
The principal scientific objective is to make global SSS measurements over the ice - free oceans with 150 - km spatial resolution, and to achieve a measurement error less than 0.2 (PSS - 78 [practical salinity scale of 1978]-RRB- on a 30 - day time scale, taking into account all sensors and geophysical random errors and biases.Salinity is indeed a key indicator of the strength of the hydrologic cycle because it tracks the differences created by varying evaporation and precipitation, runoff, and ice processes.
The demonstrated ability of GRACE to measure interannual OBP variability on a global scale is unprecedented and has important implications for assessing deep ocean heat content and ocean dynamics.
Compare with NCEP / NCAR: Same global - scale patterns — key thing to note is patterns of equator - pole & land - ocean gradients, notably steep northern hemisphere winter western ocean boundary / eastern continent gradients — same large - scale annual cycle pattern on both animations.
«Despite recent advances in the state of the global ocean observing system, estimating oceanic variability on basin - wide to global scales remains difficult.
The interaction of ocean circulation, which serves as a type of heat pump, and biological effects such as the concentration of carbon dioxide can result in global climate changes on a time scale of decades.
But it doesn't seem as obvious when one thinks of it on global scale - particularly if understand that tropics and tropical ocean is Earth's heat engine.
Although a significant factor in global climate on the scale of decades — the Pacific Ocean modes are part of a global climate system that is variable at many scales in time and space.
Better understanding of the thermal processes and effects that OTEC operations has on ocean temperatures and vice versa is important to predict energy yield potential on both local (site - specific) and global scales.
Humans have begun to alter the global climate, as well as to bring fishing on an industrial scale to a once isolated ocean.
Pollutants have altered on a global scale the carbon dioxide content of the air and the lead concentrations in ocean waters and human populations.
«El Niño / Southern Oscillation (ENSO) is the most important coupled ocean - atmosphere phenomenon to cause global climate variability on interannual time scales.
On a global scale, the ocean warming is largest near the surface, and the upper 75 m warmed by 0.11 [0.09 to 0.13] °C per decade over the period 1971 — 2010.
I'm very convinced that the physical process of global warming is continuing, which appears as a statistically significant increase of the global surface and tropospheric temperature anomaly over a time scale of about 20 years and longer and also as trends in other climate variables (e.g., global ocean heat content increase, Arctic and Antarctic ice decrease, mountain glacier decrease on average and others), and I don't see any scientific evidence according to which this trend has been broken, recently.
On a global scale, this warming trend implies that the ocean has gained heat from the atmosphere over the last 50 to 70 years.
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