'Wave activity' diaporamas de présentation

Robert Ergun University of Colorado

Robert Ergun University of Colorado. Burst System Science Requirements. MMS Burst System.

385 views • 31 slides

A mechanistic model study of quasi-stationary wave reflection

A mechanistic model study of quasi-stationary wave reflection. D.A. Ortland T.J. Dunkerton ortland@nwra.com NorthWest Research Associates Bellevue WA. Quasi-stationary flow. Describe in terms of zonal mean and wave components;

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A Subtropical Cyclonic Gyre of Midlatitude Origin

A Subtropical Cyclonic Gyre of Midlatitude Origin. John Molinari and David Vollaro. L. L. Infrared brightness temperature (shaded) and 850 hPa winds and height (contoured) at 0000 UTC 27 July 1988. 29. RMW = 700-800 km in gyre. 28. 27. Gloria.

345 views • 24 slides

Recollimation Shock, Transverse Waves and the Whip in BL Lacertae

Recollimation Shock, Transverse Waves and the Whip in BL Lacertae. M.H. Cohen Caltech. M onitoring O f J ets in A ctive Galaxies with V LBA E xperiments. MOJAVE Collaborators. M. Lister (P.I.), J. Richards (Purdue)

371 views • 22 slides

Madden-Julian Oscillation: Recent Evolution, Current Status and Predictions

Madden-Julian Oscillation: Recent Evolution, Current Status and Predictions. Update prepared by: Anthony Artusa Climate Prediction Center / NCEP. 11 February 2019. Overview Recent Evolution and Current Conditions MJO Index Information MJO Index Forecasts MJO Composites. Outline.

214 views • 21 slides

Interannual variability of the stratospheric wave driving during northern winter

Interannual variability of the stratospheric wave driving during northern winter. Alwin J. Haklander 1,2 Supervisor: dr. P.C. Siegmund 2 Promotor: prof. dr. H.M. Kelder 1,2 1 Eindhoven University of Technology (TU/e) 2 Royal Netherlands Meteorological Office (KNMI)

315 views • 20 slides

SOHO, STEREO and Hinode Observations of Polar Coronal Holes at Solar Minimum

SOHO, STEREO and Hinode Observations of Polar Coronal Holes at Solar Minimum. Barbara Thompson, NASA GSFC David Alexander, Rice University Jonathan Cirtain, NASA MSFC Craig DeForest, SWRI Sarah Gibson, UCAR Donald Hassler, SWRI Michael Kaiser, NASA GSFC Antonia Savcheva, SAO.

367 views • 19 slides

VOLCANIC HAZARDS ASSESSMENT

VOLCANIC HAZARDS ASSESSMENT. Human-based Data Sources Geochemical Data Geophysical Data. ACTIVE vs. EXTINCT VOLCANOES. Historians say: Active volcanoes are those that are erupting or showing some activity now.

361 views • 19 slides

Observation of OH rotational temperatures with GRIPS at ALOMAR

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The impact of the January 2013 Stratospheric Sudden Warming on the TTL

The impact of the January 2013 Stratospheric Sudden Warming on the TTL. Stephanie Evan & Karen Rosenlof. from http:// www.cpc.ncep.noaa.gov /. Warming poleward of 60 o N. Cooling in the tropics (25 o S-25 o N). Wind deceleration = Warming . Warming. SSW onset. - 1 week. Cooling.

304 views • 18 slides

Investigation of Brewer-Dobson circulation changes in a future climate

Investigation of Brewer-Dobson circulation changes in a future climate. Martin Dameris and Rudolf Deckert German Aerospace Center, Institute for Physics of the Atmosphere. Santorini, September 25, 2007. What do we know so far? (e.g. WMO, 2007).

333 views • 18 slides

Acoustic-gravity wave monitoring for global atmospheric studies

Acoustic-gravity wave monitoring for global atmospheric studies. Elisabeth Blanc 1 Alexis Le Pichon 1 Lars Ceranna 2 Thomas Farges 1. 1- CEA / DIF/ DASE, Arpajon, France. 2- BGR / B3.11, Hannover, Germany. Infrasound Technology Workshop Bermudas - 2008. Outline.

174 views • 17 slides

Theories of Blocking

Theories of Blocking. Brian Hoskins. B. Bolin (1949) in Beggren et al, Tellus 1. What is a block?. Chicago School 1940s Rossby, Bolin, Rex. A block for the westerlies with their weather systems. H. H. Z 500. L. L. A block for the westerlies with their weather systems. +. +.

209 views • 11 slides

Adult Neurofeedback ADHD Treatment Alternatives; Harvard Researched Neuro-Pathway Training Works Without Medication

Suffering from Anxiety Disorder OR lack of motivation ? Get relief from Neurofeedback Therapy today, Neurocareclinics is right to guide you through using neuroptimal. Visit to know more https://neurocareclinics.com/adults/

61 views • 3 slides

SPARC SOLARIS & HEPPA Intercomparison Activities:

SPARC SOLARIS & HEPPA Intercomparison Activities: Global aspects of the QBO modulation of the solar influence on the stratosphere. K. Kodera 1,2 and K. Matthes 3, 4 (contact: kodera@stelab.nagoya-u.ac.jp)

133 views • 1 slides