Category Archives: Environment

Air (not)quality in Beijing and south of Himalaya

Haze south of the Himalaya South of the Himalaya there is a “river” of haze, mix of agricultural fires, industrial and urban pollution, made worse by temperature inversion. India and Bangladesh region south of the Himalaya’s on 11 January 2013. … Continue reading

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Incredible extremes in Australian weather

There are many news about the conditions in Australia these days, but I couldn’t resist posting a few pictures about the conditions. Over the past couple of year parts of Australia have received more rain than normally due to a … Continue reading

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New article about H2S plume dispersal

New article about the distribution of H2S from geothermal power plants near Reykjavik, and the conditions that lead to concentration above 50 µg/m3. Throstur Thorsteinsson, Julia Hackenbruch, Einar Sveinbjörnsson, Thorsteinn Jóhannsson. 2013. Statistical assessment and modeling of the effects of … Continue reading

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New article about ash during Eyjafjallajökull eruption

High levels of particulate matter in Iceland due to direct ash emissions by the Eyjafjallajökull eruption and resuspension of deposited ash Throstur ThorsteinssonEnvironment and Natural Resources and Institute of Earth Sciences, University of Iceland, Reykjavík, IcelandThorsteinn JóhannssonThe Environment Agency of … Continue reading

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Article about dust storms and air quality

An article about dust storms and air quality in Reykjavík was just published in the journal Atmospheric Environment. Here is a link to the corrected proof http://www.sciencedirect.com/science/article/pii/S1352231011005061. Also welcome to drop me an e-mail for the final version. The reference … Continue reading

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Barents sea chlorophyll

  NASA MODIS satellite image from 16 August 2011 over the Barents sea (see map below). (Image NASA/Rapidfire) Concentration of phytoplankton using chlorophyll colors the ocean – see description below the map. Click for a larger image (Map by Google … Continue reading

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Dust and ash storm near Mýrdalsjökull and Landeyjasandur

At Raufarfell the PM10 reached 590 micro-g/m3 just before 16:00. The northerly wind direction blows sand from Landeyjasandur out to sea, over Vestmannaeyjar. At Stórhöfði, Vestmannaeyjar, the wind was from the north at 21 m/s at 16:00. And between 15 … Continue reading

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Ash storm off Vatnajökull glacier surface

Grímsvötn, the site of a recent eruption, is located where “T” in Vatnajökull is on this map (from LMI.is). Last Sunday, 7 August 2011, around 14:05 there was a visible ash storm stemming from the Grímsvötn area. This image at … Continue reading

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Particulate Matter in the air over the Eastern fjords on 4 June 2011

In the news yesterday, 4 June 2011, there were reports about an ash storm in the eastern fjords (see short text, in Icelandic, below): Öskumistur á Austfjörðum Þétt öskumistur liggur nú yfir Fáskrúðsfirði Mynd: Óðinn Magnason Vestlæg átt er nú … Continue reading

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Pictures from Glaciology field trip 2011

2011 Glaciology Field Trip A few pictures, including: Gígjökull – drastic changes since the Eyjafjallajökull eruption Sólheimajökli – always big changes between years, retreating fast  Reynisfjöru – columnar lava, …

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