100415 IcelandVolcanicErruption Data

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*** UPDATED: 4-20 11:00 CST ****

Summaries of the Volcano

Agency Summaries

• UK Met Office
• NASA, NASA Earth Observatory Info on Volcanic Ash from NASA's ASAP program
• NERI/AU - Denmark
• EUMETSAT Products
• NOAA
• DLR, Characterization - German Aerospace Center

Blog/WIki Summaries

• Smog Blog is doing daily updates on the volcano
• CIMSS Satellite Blog Volcano posts
• Current Event on Wikipedia
• Ash and Steam Plume from Iceland's Eyjafjallajoekull Volcano, Journal of Earth Science Phenomena, Author: Marty Kellum

Models

Volcanic Ash Advisory Models

• Montreal Volcanic Ash Advisory Models
• Current Advisories for London VAAC
  • Forecaster's Blog for London VAAC

National Environmental Research Institute Denmark

The graphics show the amount of air pollution from ground level until 20 km height on a relative scale, where red is the most polluted. The difference between the colours is a factor 10. NERI has assumed that the volcano has emitted the plume to a height of 5-7 km. Please note that the model works in UTC-time. Central European summertime = UTC + 2 hours.

• Danish Model predicting ash transport

Rhenish Institute for Environment - Germany

• Volcano Dispersion Model animation
  
• PM10 Models

ESA Model

• ESA Model for Ash Deposition This animation shows the movement of the ash plume from the eruption of the Eyjafjallajoekull glacier in Iceland.

NILU Model

Norwegian Institue for Air Research - Model - The animations shows dispersion of the eruption from the volcano Eyjafjallajökull.

The animation from Oslo and Bergen also includes the episode from Thursday April 15, where citizens in Bergen and Oslo reported they could smell sulfphur from the eruption in Iceland.

The information in the models has been derived by a model using SO2 as particle tracer for the ash plume. Please note that the time is given in UTC and that the model only includes emissions after 1700 on April 14.

Other Models

• Great Interactive piece from The Guardian on Airline Disruption:

• Dispersion Model

Satellites

MODIS

4-19-2009 AQUA Pass

• MODIS Gallery
• MODIS Satellite Image - 4/15 - shared by marksteward 'Pic of ash cloud spreading from Iceland north of UK http://bit.ly/ber3Hp #volcano #ashtag #nasa'
  • NASA Goddard's Flickr photos of satellite view of volcanic ash
  • NASA's Earth Observatory - Images of volcano 4/15 earlier this month

NASA OMI, Atmospheric Composition

• Current OMI Aerosol Index (updated 4/16)

NASA Giovanni OMI Level-2G

Courtesy of James Johnson, NASA:

SO2 | Aerosol Index

GOME 2 Absorbing Aerosol Index - VAAC Support

• GOME-2 AI

AIRS and CALIPSO

• From Andrey Savtchenko, NASA: KMZ of AIRS and CALIPSO - Full-resolution (3-km) AIRS Near-Real-TIme false-color imagery, and CALIPSO expedited browse Details

NOAA Visualization

• Animation of volcanic plume impacting Europe - The data shows the concentration of ash in the atmosphere. The ash mass is calculated by combining multiple spectral channels from the EUMETSAT Meteosat-9 satellite's SEVIRI sensor. The latest image from April 19, 2010 is derived from the NASA Aqua/MODIS satellite sensor. These analyses, developed by NOAA scientists, can distinguish between clouds and other atmospheric aerosols.

EUMETSAT

• Latest EUMETSAT Iceland Ash
• Latest EUMETSAT Images

• Image Source
• From EUMETSAT: Time Series Satellite Image of Plume moving

NEODAAS

• Twitpic Courtesy of NEODAAS/University of Dundee

ENVISAT

• ESA on Flickr - For latest images
• 19 April 2010 by ESA’s Envisat satellite

• ENVISAT at ESA

Radar Obs from Iceland Coastguard

• Radar Images PDF
• More Info from Iceland Coast Guard

EO-1 Hyperion

From Stu Frye: EO-1 Hyperion image from yesterday [4/17] of the Iceland volcano shown as two side-by-side panels produced from two different spectral ranges,...the left one is SWIR and the right one is visible. In the SWIR, you can see the thermal vent and in the vis you can see the plume coating everything to the SouthEast making the ice brown/gray

• NASA EO-1 Hyperion Image Source and more information on volcano

International Space Station

• Twitpic courtesy of Astro_Soichi (Soichi Noguchi)

"Good morning, Europe! Looks like another hazy (ashy?) day for you."

ASTER

This Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) expedited view of the Eyjafjallajökull Volcano was acquired at 12:51 UTC on April 19, 2010 from a 705-km altitude on the Terra spacecraft. The image was generated using ASTER registered radiance at the sensor data, with visible and near-infrared (VNIR) bands simulating natural color. The ground resolution is 15 m. A billowing white and gray plume emanating from Eyjafjallajökull is visible drifting to the south and covering a large area. Expansive snow-covered areas appear white. Vegetation is visible in shades of green, with water dark blue. A density slice overlay using 90 m ground resolution thermal infrared (TIR) band 14 at 10.95 to 11.65 µm wavelengths approximates relative temperatures. The hottest pixels are portrayed in yellow, representing the highest TIR band 14 digital numbers in this scene. While still hot, the TIR pixels colored orange and red are at relatively lower temperatures. Another hot area representing an earlier and now-cooling flow is evident northeast of Eyjafjallajökull at Fimmvörduháls.

For more information on ASTER see:

• LP DAAC
• ASTER Website

Surface Observations

Airports

• Heathrow Airport Surface Monitoring Data

UK Met Office

• Icelandic volcano: Dust observations timeline
• London Volcanic Ash Aviation Advisories

Air Quality Now

Air Quality Now EU Map - Failed to load RSS feed from http://www.airqualitynow.eu/rss.php: * Error fetching URL: Could not resolve host: www.airqualitynow.eu

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GEMS

• Observations

Webcams

• Mila Communication: Web cam 1 Webcam 2 Webcam 3

Photos

• Photos from Mercury_3488

@ESIPAQWG Today's photographic spam from me :) http://www.space.com/common/forums/viewtopic.php?f=16&t=23777&p=447168#p447168

Other - Have data to share?

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