Sentences with phrase «decadal oscillation in»

Motizuki, T., M. Ishii, M. Kimoto, Y. Chikamoto, M. Watanabe, T. Nozawa, T. Sakamoto, H. Shiogama, T. Awaji, N. Sugiura, T. Toyoda, S. Yasunaka, H. Tatebe, and M. Mori, 2008: Hindcasting the Pacific Decadal Oscillation in relevance to a near - term climate prediction.

The second chart shows that over the 20thC the SL record was marked by significant decadal oscillations in the rate of rise, varying from -1 mm / year to +5 mm / year, but no apparent acceleration over the period.

... I think the weakness in this post is the idea that decadal oscillations in climate properties are potentially drivers of climate warming over time.

Bart quoted me as saying: «However, I think the weakness in this post is the idea that decadal oscillations in climate properties are potentially drivers of climate warming over time.»

However, I think the weakness in this post is the idea that decadal oscillations in climate properties are potentially drivers of climate warming over time.

Not exact matches

In April 2008, scientists at NASA's Jet Propulsion Laboratory announced that while the La Niña was weakening, the Pacific Decadal Oscillation (PDO)-- a larger - scale, slower - cycling ocean pattern — had shifted to its cool phase.

This variability includes the Pacific Decadal Oscillation (PDO), a long - lived El Niño - like pattern of Pacific climate variability that works like a switch every 30 years or so between two different circulation patterns in the North Pacific Ocean.

The middle globe shows a drop in levels west of Mexico, due to a cyclical climate variation called the Pacific Decadal Oscillation.

Goddard thinks it may be an early indication of a big shift in the Pacific Decadal Oscillation (PDO), a kind of long - term El Niño - like pattern of climate variability.

Using records stretching back to 1791, the study finds that a switch in the Pacific Decadal Oscillation or PDO has always been accompanied by changes in temperature in the north and south Pacific Ocean.

The study looked at some possibilities, but other than an apparent link between El Niño and tornado activity in Oklahoma, couldn't find any links to major climate cycles, such as the Pacific Decadal Oscillation or the Atlantic Oscillation.

The Pacific Decadal Oscillation (PDO), marked by temperature fluctuations in the northern Pacific Ocean on a scale of 40 to 60 years, also plays a role.

She said that some data discussed in these e-mails concerned a temperature bump in the 1930s and 1940s, caused by a coincidence of Atlantic and Pacific decadal oscillations.

That was another period when you had the Pacific Decadal Oscillation and the Atlantic Multidecadal Oscillation chiming in together.

The study stops short of attributing California's latest drought to changes in Arctic sea ice, partly because there are other phenomena that play a role, like warm sea surface temperatures and changes to the Pacific Decadal Oscillation, an atmospheric climate pattern that typically shifts every 20 to 30 years.

He thinks their movement may be an early indication of a big shift in the Pacific Decadal Oscillation (PDO), a long - term pattern of climate variability.

Finally, the El Niño - Southern Oscillation, Pacific Decadal Oscillation and Atlantic Multidecadal Oscillation each contribute to large variations in MHWs both regionally and globally.

For example, the Pacific Decadal Oscillation was in a negative phase between approximately 1960 - 1980, leading to above average snowpack across the state.

On decadal time scales, annual streamflow variation and precipitation are driven by large - scale patterns of climate variability, such as the Pacific Decadal Oscillation (see teleconnections description in Climate chapter)(Pederson et al. 2011a; Seager and Hoerlingdecadal time scales, annual streamflow variation and precipitation are driven by large - scale patterns of climate variability, such as the Pacific Decadal Oscillation (see teleconnections description in Climate chapter)(Pederson et al. 2011a; Seager and HoerlingDecadal Oscillation (see teleconnections description in Climate chapter)(Pederson et al. 2011a; Seager and Hoerling 2014).

Phase shifts in the Pacific Decadal Oscillation can be readily detected in the long - term records of annual snowfall.

Large interannual variability in snowpack can be nested within Pacific Decadal Oscillation (and Pacific North American) driven patterns (e.g., see the high snow years of 1996 and 1997 that occurred during a 25 - year period of below average snowpack).

It should also be noted that the authors examined whether the large - scale ocean circulation, the Meridional Overturning Circulation (MOC), and two other ocean phenomena - the Pacific Decadal Oscillation (PDO) and Atlantic Meridional Oscillation (AMO)- could explain the warming in the 20th century simulations, but found no evidence in the models.

On shorter time scales, and layered on top of Pacific Decadal Oscillation variation, the Pacific North American pattern and the El Niño - Southern Oscillation cycles (see Climate chapter) can also affect variation in snowpack.

We describe two of the most important teleconnections for Montana below, the El Niño - Southern Oscillation and the Pacific Decadal Oscillation.8 It is important to bear in mind that teleconnections are happening continually, and superimposed on each other as well as upon other long - term climate patterns.

The first collection of papers establishes that (a) decadal and multi-decadal ocean circulation patterns (AMO, PDO, NAO, ENSO) have significantly modulated precipitation and temperature changes in recent decades, and the second collection of papers confirm that (b) natural ocean oscillations are, in turn, modulated by solar activity.

The Atlantic Multidecadal Oscillation (AMO), Pacific Decadal Oscillation (PDO), North Atlantic Oscillation (NAO), and El Niño - Southern Oscillation (ENSO) have all been found to significantly influence changes in surface air temperature and rainfall (climate) on decadal and multi-decadal scales, and these natural ocean oscillations have been robustly connected to changes in solar acDecadal Oscillation (PDO), North Atlantic Oscillation (NAO), and El Niño - Southern Oscillation (ENSO) have all been found to significantly influence changes in surface air temperature and rainfall (climate) on decadal and multi-decadal scales, and these natural ocean oscillations have been robustly connected to changes in solar acdecadal and multi-decadal scales, and these natural ocean oscillations have been robustly connected to changes in solar acdecadal scales, and these natural ocean oscillations have been robustly connected to changes in solar activity.

Drought variations in the study area significantly correlated with sea surface temperatures (SSTs) in North Pacific Ocean, suggesting a possible connection of regional hydroclimatic variations to the Pacific Decadal Oscillation (PDO).

The Pacific Decadal Oscillation and El Niño - Southern Oscillation teleconnections may reinforce or moderate each other, depending on if their phases are in alignment or opposition.

Plant drought - tolerant species in years with strong El Niño forecasts, particularly during Pacific Decadal Oscillation warm phase; plant trees that require sufficient water during establishment in La Niña years and during Pacific Decadal Oscillation cool phases Focus planting more in spring as fall planting becomes more difficult with reduced soil moisture and test different planting timings as springs shift earlier

... It is worthy of note that the highest coefficients at a 29 - month lag were found in the relationships both between SSN [sunspot number] and PDO [Pacific Decadal Oscillation], and SSN and CP El Niño with statistical significance at the 99 % confidence level, respectively.

oscillation A recurring cyclical pattern in global or regional climate that often occurs on decadal to sub-decadal timescales.

But, in contrast with the El Niño Southern Oscillation index [12], the NAO and PDO operate on decadal scales, causing extended periods of high or low population abundance [5], [7].

In both populations, the lagged decadal oscillations amount to 70 % of the model performance when the results from each series are averaged.

Loggerhead juveniles disperse to regions whose climatic variability is characterized (a) in the North Atlantic by the Atlantic Multidecadal Oscillation (AMO) and (b) in the North Pacific by the Pacific Decadal Oscillation (PDO).

The data the researchers were interested in tracking revolved around four important climate indices: the Pacific Decadal Oscillation; the Multivariate El Niño Southern Oscillation Index, which includes both El Niño and La Niña; the Southern Annular Mode; and the Pacific North American Pattern.

Though the ecological effects of these climate oscillations have been described in various settings, the influence of decadal indices to long - term marine turtle population trends is largely unexplored.

We document a deeper aragonite saturation horizon and higher near surface aragonite saturation state in the summers of 2014 and 2015 (compared with 2010 — 2013), associated with anomalous warm conditions and decadal scale oscillations.

His research concerns understanding global climate and its variations using observations and covers the quasi biennial oscillation, Pacific decadal oscillation and the annular modes of the Arctic oscillation and the Antarctic oscillation, and the dominant spatial patterns in month - to - month and year - to - year climate variability, including the one through which El Niño phenomenon in the tropical Pacific influences climate over North America.

This year's strong El Nino event, and the associated warmth of the Pacific Ocean, is likely partly to blame, along with the cyclical Pacific Decadal Oscillation — which is in its warm phase.

[11] Few attribute the decline in fog, and moreover, climate change, to the Pacific Decadal Oscillation, however, as the Pacific Decadal Oscillation is an oscillation moving heat through the climate system but neither creating nor retaining heat, it is not a cause of warming trends or decliOscillation, however, as the Pacific Decadal Oscillation is an oscillation moving heat through the climate system but neither creating nor retaining heat, it is not a cause of warming trends or decliOscillation is an oscillation moving heat through the climate system but neither creating nor retaining heat, it is not a cause of warming trends or declioscillation moving heat through the climate system but neither creating nor retaining heat, it is not a cause of warming trends or declines in fog.

In their paper Decadal Variations in the Global Atmospheric Land Temperatures, they find that the largest contributor to global average temperature variability on short (2 - 5 year) timescales in not the El Nino - Southern Oscillation (ENSO)(as everyone else believes), but is actually the Atlantic Multidecadal Oscillation (AMOIn their paper Decadal Variations in the Global Atmospheric Land Temperatures, they find that the largest contributor to global average temperature variability on short (2 - 5 year) timescales in not the El Nino - Southern Oscillation (ENSO)(as everyone else believes), but is actually the Atlantic Multidecadal Oscillation (AMOin the Global Atmospheric Land Temperatures, they find that the largest contributor to global average temperature variability on short (2 - 5 year) timescales in not the El Nino - Southern Oscillation (ENSO)(as everyone else believes), but is actually the Atlantic Multidecadal Oscillation (AMOin not the El Nino - Southern Oscillation (ENSO)(as everyone else believes), but is actually the Atlantic Multidecadal Oscillation (AMO).

In Atmospheric Controls On Northeast Pacific Temperature Variability And Change, 1900 — 2012, Johnstone 2014 showed the Pacific Decadal Oscillation can explain climate change in the Pacific northeast without invoking greenhouse gaseIn Atmospheric Controls On Northeast Pacific Temperature Variability And Change, 1900 — 2012, Johnstone 2014 showed the Pacific Decadal Oscillation can explain climate change in the Pacific northeast without invoking greenhouse gasein the Pacific northeast without invoking greenhouse gases.

If individuals truly interested in this topic don't, at a minimum, research the Atlantic Multidecadal Oscillation, the Pacific Decadal Oscillation, and the various solar cycles and their relationship with changes in temperatures, then I am afraid those individuals are no more interested in knowledge than a lazy 4th grader... they drink the Kool - Aid, but they won't do their homework.

Ocean and atmospheric indices — in this case the El Niño Southern Oscillation, the Pacific Decadal Oscillation, the North Atlantic Oscillation and the North Pacific Oscillation — can be thought of as chaotic oscillators that capture the major modes of climate variability.

(«On decadal to century timescales, climate dynamics — the complex interplay of multiple external forcings (rapid and slow), the spectrum of atmospheric and ocean circulation oscillations, interactions with biosphere — determines variations in climate.»)

Mike's work, like that of previous award winners, is diverse, and includes pioneering and highly cited work in time series analysis (an elegant use of Thomson's multitaper spectral analysis approach to detect spatiotemporal oscillations in the climate record and methods for smoothing temporal data), decadal climate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 meaOscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 meaoscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measurements).

# 8220; This multi-year Pacific Decadal Oscillation «cool» trend can intensify La Niña or diminish El Niño impacts around the Pacific basin,» said Bill Patzert, an oceanographer and climatologist at NASA's Jet Propulsion Laboratory, Pasadena, Calif. «The persistence of this large - scale pattern [in 2008] tells us there is much more than an isolated La Niña occurring in the Pacific Ocean.»

Note especially Figure 2 and the related statement, «In 1976, a stepwise shift appears in the temperature data, which corresponds to a phase shift of the Pacific Decadal Oscillation from a negative phase to a positive phase.&raquIn 1976, a stepwise shift appears in the temperature data, which corresponds to a phase shift of the Pacific Decadal Oscillation from a negative phase to a positive phase.&raquin the temperature data, which corresponds to a phase shift of the Pacific Decadal Oscillation from a negative phase to a positive phase.»

Northeast Pacific coastal warming since 1900 is often ascribed to anthropogenic greenhouse forcing, whereas multidecadal temperature changes are widely interpreted in the framework of the Pacific Decadal Oscillation (PDO), which responds to regional atmospheric dynamics.

There is also no reason to expect less warming in the future — in fact, perhaps rather the opposite as the climate system will catch up again due its natural oscillations, e.g. when the Pacific decadal oscillation swings back to its warm phase.