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Sunday, July 26, 2020 | History

3 edition of Observations of long Rossby waves in the northern tropical Pacific found in the catalog.

Observations of long Rossby waves in the northern tropical Pacific

William S Kessler

Observations of long Rossby waves in the northern tropical Pacific

by William S Kessler

  • 387 Want to read
  • 8 Currently reading

Published by U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Research Laboratories, For sale by the National Technical Information Service in Seattle, Wash, Springfield, VA .
Written in English

    Subjects:
  • Rossby waves,
  • Ocean circulation -- Northern Pacific Ocean,
  • Ocean-atmosphere interaction -- Northern Pacific Ocean

  • Edition Notes

    StatementWilliam S. Kessler
    SeriesNOAA technical memorandum ERL PMEL -- 86, Contribution from NOAA/Pacific Marine Environmental Laboratory -- no. 1113, Contribution (Pacific Marine Environmental Laboratory (U.S.)) -- no. 1113
    ContributionsPacific Marine Environmental Laboratory (U.S.)
    The Physical Object
    Paginationvi, 169 p. :
    Number of Pages169
    ID Numbers
    Open LibraryOL13615131M
    OCLC/WorldCa20007789

    Boulanger, J.-P. and C. Menkes, Propagations and reflections of long equatorial waves in the tropical Pacific Ocean during the and ENSO events as observed from GEOSAT, TOPEX/POSEIDON and TOGA-TAO data. In: Proceedings of the TOGA95 Symposium, April , Melbourne, Australia, Physical oceanography is the study of physical conditions and physical processes within the ocean, especially the motions and physical properties of ocean waters.. Physical oceanography is one of several sub-domains into which oceanography is divided. Others include biological, chemical and geological oceanography.. Physical oceanography may be subdivided into descriptive and dynamical.

    Murry Salby's new book provides an integrated treatment of the processes controlling the Earth-atmosphere system, developed from first principles through a balance of theory and applications. This book builds on Salby's previous book, Fundamentals of Author: Murry L. Salby. The study of resonantly forced baroclinic waves in the tropical oceans at mid-latitudes is of paramount importance to advancing our knowledge in fields that investigate the El Niño–Southern Oscillation (ENSO), the decadal [] and, probably, long-term climate , these baroclinic waves, the natural period of which coincides with the forcing period, have a considerable impact Cited by: 3.

    K.K. Tung; "Initial value problems for Rossby waves in a sheared flow with critical level", Journal of Fluid Mechanics, , View article: K.K. Tung; "On the nonlinear vs. linearized lower boundary conditions for topographically forced stationary . Authored and co-authored more than peer-reviewed papers, 18 invited book chapters on the subjects of Climate Dynamics, Atmospheric Dynamics, and Tropical Meteorology. The total number of citations of his publications is O with an h-index of 76 and 62 papers being cited over times each (Google Scholar). The h-index from Web of.


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Observations of long Rossby waves in the northern tropical Pacific by William S Kessler Download PDF EPUB FB2

Get this from a library. Observations of long Rossby waves in the northern tropical Pacific. [William S Kessler; Pacific Marine Environmental Laboratory (U.S.),].

Rossby waves, also known as planetary waves, are a type of inertial wave naturally occurring in rotating fluids. They were first identified by Carl-Gustaf Arvid are observed in the atmospheres and oceans of planets owing to the rotation of the planet.

Atmospheric Rossby waves on Earth are giant meanders in high-altitude winds that have a major influence on weather. In contrast, observations of equatorially trapped Rossby waves in the Pacific Ocean in both SSH and thermocline depth consistently show asymmetric latitudinal structure with the northern SSH.

It is suggested that the development of tropical cyclones in the tropical western Pacific is affected by both the day mixed Rossby-gravity type waves and day Rossby type waves. Rossby waves travel from all latitudes of the Pacific Ocean toward the western boundary and then travel as coastal Kelvin waves to affect the equator.

However, only the waves that travel along baroclinically unstable parts of the midlatitude gyre (mostly the southern edge of the gyre in the North Pacific and northern edge in the South Pacific Cited by:   Chand R., Singh C. () Relation of Frequency of Tropical Cyclones Over North Indian Ocean and North West Pacific Ocean with Sea Surface Temperature Anomaly Over Nino Region and Indian Ocean Dipole.

In: Mohapatra M., Bandyopadhyay B., Rathore L. (eds) Tropical Cyclone Activity over the North Indian Ocean. Springer, ChamCited by: 1. Capotondi A., Alexander M.A. () The Influence of Thermocline Topography on the Oceanic Response to Fluctuating Winds: A Case Study in the Tropical North Pacific.

In: Hodnett P.F. (eds) IUTAM Symposium on Advances in Mathematical Modelling of Atmosphere and Ocean by: 2. B. Wang, in Encyclopedia of Atmospheric Sciences (Second Edition), Oceanic Kelvin Waves. Kelvin waves are essential in the description of ocean tides.

For a deep ocean (H = 5 km) at 30° N, the Rossby radius for barotropic Kelvin waves is about km. Continental shelf regions normally extend about a hundred kilometers seaward; hence, a steep continental slope is practically.

Rossby wave: | |Rossby waves|, also known as |planetary waves|, are a natural phenomenon in the atmosphe World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection ever assembled. Three panels in Figure 11 show the observed mean winter westerly wind, the barotropic PV gradient, dq/dy, and the effective restoring term β∗.

Using similar, but three-dimensional, fields from observations, linear Rossby waves were generated by a stationary source of vorticity {a twisting force in a small part of the fluid} as an exploratory computer experiment (Figure 12).

The net result is that the tropical Pacific combined ocean/atmosphere system naturally oscillates with a characteristic timescale of roughly years. During the El Niño phase of the oscillation, the eastern/central tropical Pacific is warmer than usual.

Sea level in the eastern tropical Pacific is higher than usual because the waters are. This book lays out a science plan for a major, international, year research program. The past 10 years have seen significant progress in studies of short-term climate variations, in particular for the region of the tropical Pacific Ocean and the El Nino/Southern Oscillation phenomenon.

From the University of Washington, comes this upcoming paper by corresponding author Dr. Eric Steig (and co-authors)that the mechanism for warming of the Antarctic Peninsula is mostly weather pattern mechanism cited. “Rossby Wave Train” aka the circumpolar vortex aka the southern polar jet steam transferring warmth from the tropical Pacific.

The result was installation of a permanent tropical Pacific observing system as part of the TOGA project, including moored buoys, XBTs, surface drifters, and sea level gauges [McPhaden et al. () and section 7], to ensure that the surprise arrival of El Niño would not be repeated.

Another important milestone during this period was the WOCE Author: Russ E. Davis, Lynne D. Talley, Dean Roemmich, W. Brechner Owens, Daniel L.

Rudnick, John Toole, Rob. NORTHERN AND SOUTHERN TROPICAL EAST PACIFIC. The long-term (January to August ) SST Anomalies for the Northern and Southern Tropical East Pacific are shown in Figure 2. The data has been smoothed with an month running average filter.

Note how the sign of the difference between the two data sets shifts with time. The Northern Hemisphere is typically encircled by two to five (Figure show three) of these waves at any particular time.

These long waves are called Rossby waves, named after Carl-Gustav Rossby, the meteorologist who discovered them. Rossby waves typically drift slowly eastward. The difference between "mid-latitude" cyclones and "tropical" cyclones is that: A. tropical cyclones can only form over water.

mid-latitude cyclones can only form over land. tropical cyclones occur only during the Northern Hemisphere summer. tropical cyclones have only warm air while mid-latitude cyclones have three kinds of air.

References for “The Asian Monsoon” book – Chapter 6 (Abstract continued) - role of air-sea coupling in the annual cycle in the tropical Pacific, D.-H. Wu; On the seasonality of the predictability of ENSO, B There is also a significant impact on the extra-tropical circulation through excitation and propagation of Rossby waves.

Rossby wave explained. Rossby waves, also known as planetary waves, are a type of inertial wave naturally occurring in rotating fluids.

They were first identified by Carl-Gustaf Arvid are observed in the atmospheres and oceans of planets owing to the rotation of the planet. Atmospheric Rossby waves on Earth are giant meanders in high-altitude winds that have a major influence on. As a result, long waves, which typically have wavelengths of a few thousand kilometers, tend to move very slowly, while the short waves move through them.

Rossby showed why this is the case. It is the direct result of the rotation of the Earth, which slows the downstream progression of waves and has a greater influence on long waves than short.

During El Niño, water of about 28°C is found across a huge region from the central Pacific along the equator to South America (See a plot of SST during the height of El Niño (December )). In terms of anomalies, this is near-normal in the central Pacific, but gets progressively more anomalous along the equator to the east.The quadrennial QSW divides the tropical Pacific into western and eastern antinodes, both of them being in nearly opposite phases.

This partition of the tropical Pacific is well known to oceanographers. The western antinodes, which result from off-equatorial Rossby waves, have a warm water storage by: 6. There’s only one Rossby wave visible, and it’s in the northern hemisphere. HHH. For those who like animations, I’ve linked gif animations of the AVISO/CLS monthly tropical Pacific sea level anomaly maps, so that you can watch the interplay between Kelvin and Rossby waves.