Sentences with phrase «southern oscillation»

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].

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.

For instance, the book discusses the (essentially non-existent) effect of El Nino Southern Oscillation on the Gulf stream; it is possible that the authors actually had the ocean currents off the Peruvian and Equatorial coasts in mind.

Source: Ward, P.J. et al. (2014) Strong influence of El Niño Southern Oscillation on flood risk around the world.

Roy, I. Indian Summer Monsoon and El Niño Southern Oscillation in CMIP5 Models: A Few Areas of Agreement and Disagreement.

Tans initially expected February to be the first month of the year above 400 ppm, but predicting that threshold is tricky because CO2 concentrations depend both on emissions and natural ecosystem processes, which can be influenced by climate phenomena like the El Nino Southern Oscillation cycle, he said.

UPDATE 9 April 2008: I've updated the monthly temperature with March's data at La Nina watch: March update (also busied up the graph with Southern Oscillation Index data).

The El Niño - Southern Oscillation phenomenon controls how the climate changes in the tropics (and also influences weather patterns elsewhere, including the United States).

The El Nino Southern Oscillation shows close correlation to global temperatures over the short term.

This correlates well with the cycles of El Niño Southern Oscillation pattern and measured changes in the amount of the energy from the sun.

The article, «Extreme rainfall activity in the Australian tropics reflects changes in the El Niño / Southern Oscillation over the last two millennia,» presents a precisely dated stalagmite record of cave flooding events that are tied to tropical cyclones, which include storms such as hurricanes and typhoons.

New research shows that a natural climate phenomenon called the El Nià ± o Southern Oscillation (ENSO) was unusually strong in the 20th century compared to the past 7,000 years.

Because El Niño − Southern Oscillation is known to exercise a particularly strong influence in the tropics, we also compared the SOI with tropical temperature anomalies between 20 ° S and 20 ° N.

Today, scientists at the NOAA Climate Prediction Center released the latest El Niño Southern Oscillation Diagnostic Discussion, which highlights the early stages of a weak La Niña episode developing in the tropical Pacific and, for now, are expected to remain in place for three to six months.

Researchers have found a strong association between El Niño - Southern Oscillation conditions in the Pacific to observed weather and dengue epidemics in Sri Lanka.

They also tried using Southern Oscillation Index (SOI) data for ENSO, sunspot number data for solar activity, and a volcanic radiative forcing reconstruction from Ammann et al. (2003), but found these changes made little difference to their results:

Bromwich, D.H., and A.N. Rogers, 2000: The El Nino - Southern Oscillation modulation of West Antarctic precipitation.

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.

In the case of Atlantic hurricanes, the El Nino / Southern Oscillation tends to influence the vertical wind shear, and thus, in turn, the number of hurricanes that tend to form in a given year.

The official El Niño / Southern Oscillation forecast says it's likely the tropical Pacific will transition to neutral conditions (sea surface temperature in the Niño3.4 region dropping below the 0.5 ° - above - normal threshold) in the late spring.

That suggests that the 1940s tropical warming could have started the changes in the Amundsen Sea ice shelves that are being observed now... He emphasized that natural variations in tropical sea - surface temperatures associated with the El Niño Southern Oscillation play a significant role.»

Additionally, metrics for the El Nino — Southern Oscillation recommended by the CLIVAR Pacific Basin Panel are available in the PMP development repository.

Months really surprise people: DJF = Dec., Jan., Feb. = winter JJA = Jun., July, Aug. = summer MAM = spring SON = fall SRES = Special Report on Emissions Scenarios UNFCCC = United Nations Framework Convention on Climate Change ITCZ = Intertropical Convergence Zone NAO = North Atlantic Oscillation ENSO = El Nino Southern Oscillation PPM / PPMV = Parts per million by volume

La Nina events are a vital portion of the El Nino - Southern Oscillation coupled ocean - atmosphere process.

This paper focuses on the El Niño / Southern Oscillation which, along with volcanoes, is one of the major causes of short - term climate variability.