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Saturday, April 25, 2020 | History

1 edition of Analysis of tropical Pacific sea surface temperatures for 1975 to 1980 found in the catalog.

Analysis of tropical Pacific sea surface temperatures for 1975 to 1980

Cho-Teng Liu

Analysis of tropical Pacific sea surface temperatures for 1975 to 1980

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  • 22 Currently reading

Published by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories in Seattle, Wash .
Written in English

    Subjects:
  • Ocean temperature -- Pacific Ocean,
  • Oceanography -- Pacific Ocean

  • Edition Notes

    StatementCho-Teng Liu
    SeriesNOAA technical memorandum ERL PMEL -- 34
    ContributionsPacific Marine Environmental Laboratory (U.S.)
    The Physical Object
    Paginationiii, 160 p. :
    Number of Pages160
    ID Numbers
    Open LibraryOL13605837M


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Analysis of tropical Pacific sea surface temperatures for 1975 to 1980 by Cho-Teng Liu Download PDF EPUB FB2

Analysis of Tropical Pacific Sea Surface Temperatures for to Cho-Teng Liu ABSTRACT. This report presents contoured objective analyses made between and (inclusive) of sea surface temperature measurements taken in the Pacific from the western coastline of the Americas to E, and from 25°N to S.

The analyses represent two-week-averaged SST fields contoured according to surface. Get this from a library. Analysis of tropical Pacific sea surface temperatures for to [Cho-Teng Liu; Pacific Marine Environmental Laboratory (U.S.)]. The 3 Day - 72 Hour Tropical Pacific Ocean Surface Analysis Loop Showing All Frontal Systems, Low Pressure Systems, and High Pressure Systems Including Tropical Pacific Barometric Pressure.

producing a tropical Pacific sea surface temperature set. The temperature data set in its final form consists of contoured maps, extending from January through Decemberat ~ month intervals, of the SST patterns over the Pacific between 25°N to S and from the western coastline of the.

Barnston, Chelliah and Goldenberg (BCG) in a general study with the objective of finding the location in the tropical Pacific with the strongest correlation with the core ENSO phenomenon determined that sea surface Region (latitude: 5S to 5N; longitude: W–W) that overlaps previously defined Region 3 and Region 4 was by: 8.

Coral δ 18 O is a combined signal of the temperature and the δ 18 O of seawater, whereas coral Sr/Ca is primarily influenced by seawater temperature [Smith et al., ]. Tropical Pacific sea-surface temperatures and preceding sea level pressure anomalies in the subtropical North Pacific.

Authors. Bruce T. Anderson. E-mail address: Identification of an extratropical mode of ocean/atmosphere variability related to the evolution of tropical Pacific sea-surface temperatures, submitted to Journal of Climate, ).

In the following, the LMA approach is used on the OLR, SST, and surface wind time series with a time window of days. An analysis is performed every 5 days and only harmonics 1–6 are considered (i.e., 20 ≤ T ≤ ).

Prior to the analysis, in order to remove low frequencies (mainly due to the seasonal cycle), Cited by: It is speculated that the propagation is related to the air-sea interactions in the North Pacific. These findings provide observational support for the "atmospheric bridge" theory proposed by Lau and Nath [].

Introduction The relationship between sea surface temperature (SST) over the Pacific and anomalies in the atmospheric geopotentialCited by: 6.

The leading sea surface temperature (SST) patterns, obtained as the three leading rotated empirical orthogonal functions (REOFs) of annual mean SST over the period –, consist of a global trend pattern, a Pacific pattern, and an Atlantic pattern (Schubert et al.

).Among these, the Pacific pattern has the most pronounced influence over the United States Cited by: 6. A nonlinear forecast system for the sea surface temperature (SST) anomalies over the whole tropical Pacific has been developed using a multi-layer perceptron neural network approach, where sea level pressure and SST anomalies were used as predictors to predict the five leading SST principal components at lead times from 3 to 15 by: Influence of the November Arctic Oscillation on the subsequent tropical Pacific sea surface temperature Article (PDF Available) in International Journal of Climatology 35(14).

The El Nin˜o–Southern Oscillation (ENSO) signal in Indian Ocean sea-surface temperatures has weakened since the lates, resulting in important changes in the association between tropical western Indian Ocean sea-surface temperatures and December–February rainfall over South Africa and Namibia.

Prior to the lates, warm events. HOME > Monitoring and Data > Oceanic & Atmospheric Data > Weekly ENSO Update > Tropical Pacific Sea Surface Temperature Animation: Weekly averaged sea surface temperatures (top, °C) and anomalies (bottom, °C) for the past twelve weeks.

SST analysis is the optimum interpolation (OI) analysis, while anomalies are departures from the adjusted OI. A principal component decomposition of monthly sea surface temperature (SST) variability in the tropical Pacific Ocean demonstrates that nearly all of the linear trends during – are found in two leading patterns.

The first SST pattern is strongly related to the canonical El Niño-Southern Oscillation (ENSO) pattern. The second pattern shares Cited by: Back inthe Pacific Ocean underwent a major transformation in sea surface temperature patterns that was called the Great Pacific Climate Shift.

Suddenly warm water replaced cold water that had dominated for most of the prior three decades near the west coast of North America and along the equatorial eastern Pacific. Rayner, N. et al. Global analyses of sea surface temperature, sea ice, and night marine air temperature since the late nineteenth century.

Geophys. Res. (D14), (). Article Cited by: Sea Surface Temperature Timeseries: Timeseries Plot of recent SST's for various tropical Pacific regions (from the Climate Prediction Center) Table of recent SST's for various tropical Pacific regions (from the Climate Prediction Center).

air pressure decreases in Eastern tropical pacific 2. air pressure increases in Western tropical pacific 3. air pressure gradient weakens and trade winds slacken (trade winds may reverse direction and blow east if intense) 4.

Two nonlinear regression methods, Bayesian neural network (BNN) and support vector regression (SVR), and linear regression (LR), were used to forecast the tropical Pacific sea surface temperature (SST) anomalies at lead times ranging from 3 to 15 months, using sea level pressure (SLP) and SST as predictors.

Datasets for – and – were studied, Cited by: tropical Pacific, however, large changes in OLR and sea surface temperature are associated with the El NiAo phenomenon. Chou compared an El NiAo time, Aprilto a non-El NiAo time, April He found that area- averaged tropical Pacific SST was K warmer, and area-averaged tropical Pacific OLR was WCited by: 1.

A typhoon is a mature tropical cyclone that develops between ° and °E in the Northern region is referred to as the Northwestern Pacific Basin, and is the most active tropical cyclone basin on Earth, accounting for almost one-third of the world's annual tropical organizational purposes, the northern Pacific Ocean is divided into three.

The leading NLCCA mode between the tropical Pacific wind stress (WS) and sea surface temperature (SST) reveals notable interdecadal changes of ENSO behaviour before and after the mid s climate regime shift, with greater nonlinearity found during –99 than during –Cited by: Ecoregional analysis of nearshore sea-surface temperature in the North Pacific.

The quantification and description of sea surface temperature (SST) is critically important because it can influence the distribution, migration, and invasion of marine species; furthermore, SSTs are expected to be affected by climate change.

Monthly instrumental land air and sea surface temperature 10 grid-point data from the period –95 are used to calibrate the proxy data set.

Although there are notable spatial gaps,this. HOME > Monitoring and Data > Oceanic & Atmospheric Data > Weekly ENSO Update > Tropical Pacific Sea Surface Temperature Animation: Weekly averaged sea surface temperatures (top, C) and anomalies (bottom, C) for the past twelve weeks.

SST analysis is the optimum interpolation (OI) analysis, while anomalies are departures from the adjusted OI. DJF showsthe greatest slowdownin global surface warmingevenwhencompared with the rate of warming during previous decades [Li et al., ] (Figure S1).

Observational Data Sets Our primary SAT data set is the Merged Land-Ocean Surface Temperature (MLOST) analysis version [Vose et al., ] on a 5° latitude × 5° longitude by:   Earth's global surface temperatures in ranked as the second warmest sinceaccording to an analysis by NASA.

Continuing the planet's long-term warming trend, globally averaged temperatures in were degrees Fahrenheit ( degrees Celsius) warmer than the to mean, according to scientists at NASA's Goddard Institute. The April global land and ocean surface temperature has increased °C (°F) per decade since ; however, the rate is more than double since The global land surface temperature was the ninth warmest April in the year record at °C (°F) above the 20th century average of °C (°F).

However, because sea surface steric elevation and upper thermocline isotherm displacements are typically closely correlated in the equatorial Pacific [e.g., Rebert et al., ], the information in shallow temperature profiles reaching only m is largely captured in its sea surface temperature and an estimated surface steric elevation.

Interannual Tropical Pacific Sea-Surface Temperatures and Their Relation to Preceding Sea Level Pressures in the NCAR CCSM Bruce T. Anderson, Department of Geography, Boston University Commonwealth Ave. Boston MA, [email protected] Eric Maloney, College of Oceanic & Atmospheric Sciences, Oregon State University Ocean Admin.

Bldg. ~ seasonal sea surface temperature changes are far more complex than those described by eq. (1). We therefore study that region, and the entire tropical Pacific, by means of an Oceanic General Circula tion Model capable of realistic simulations of the 0 seasonaj cycle, especially of the cycle in sea surface temperature.

This increase is highly correlated with tropical sea surface temperature. Details of the analysis are reported in Emanuel (), available here with supplementary information available here.

This work implies that global tropical cyclone activity is. Tropical Pacific Sea-Surface Temperatures and Preceding Sea Level Pressure Anomalies in the Subtropical North Pacific Bruce T.

Anderson, Department of Geography, Boston University Commonwealth Ave. Boston MA, [email protected]   Global surface temperature has increased ≈°C per decade in the past 30 years, similar to the warming rate predicted in the s in initial global climate model simulations with transient greenhouse gas changes.

Warming is larger in the Western Equatorial Pacific than in the Eastern Equatorial Pacific over the past century, and we suggest that the increased West–East temperature Cited by:   Global temperature is a popular metric for summarizing the state of global climate. Climate effects are felt locally, but the global distribution of climate response to many global climate forcings is reasonably congruent in climate models (), suggesting that the global metric is surprisingly will argue further, consistent with earlier discussion (2, 3), that Cited by: a recurrent event in the tropical eastern pacific in which sea surface temperatures are significantly above normal ENSO events an acronym for the el nino southern oscillation phenomenon, involves the interaction of tropical pacific sea surface temperatures and atmospheric pressures.

The connection between Earth’s oceans and atmosphere has a direct impact on the weather and climate conditions we experience. El Niño and La Niña, together called the El Niño Southern Oscillation (ENSO), are periodic departures from expected sea surface temperatures (SSTs) in the equatorial Pacific warmer or cooler than normal ocean temperatures can.

On the evolution of sea surface temperature in the tropical Pacic Hein Zelle. On the evolution of sea surface temperature in the tropical Pacic Veranderingen in oppervlaktetemperatuur in de tropische Stille Oceaan (met een samenvatting in het Nederlands) PROEFSCHRIFT region with annual mean surface temperatures is shown in gure Three over.

A South Pacific tropical cyclone is a non frontal, low pressure system that has developed, within an environment of warm sea surface temperatures and little vertical wind shear aloft in the South Pacific Ocean.

Within the Southern Hemisphere there are officially three areas where tropical cyclones develop on a regular basis, these areas are the South-West Indian Ocean. Global surface temperature anomalies relative to The Nino index is based on the detrended temperature in the Nino area in the eastern tropical Pacific.

5. Green triangles mark the times of volcanic eruptions that produced an extensive stratospheric aerosol layer. Blue vertical bars are.Relationship between the tropical Pacific and Indian Ocean sea-surface temperature and monthly precipitation over the central highlands, Vietnam Tinh Dang Nguyen,a,c* Cintia Uvob and Dan Rosbjerga a Institute of Environment & Resources, Technical University of Denmark, DK Kongens Lyngby, DenmarkCited by: A tropical cyclone is a rapidly rotating storm system characterized by a low-pressure center, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain or ing on its location and strength, a tropical cyclone is referred to by different names, including hurricane (/ ˈ h ʌr ɪ k ən,-k eɪ n /), typhoon (/ t aɪ ˈ.