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The following performance reports are available:


Connecting the dots: nitrogen dioxide over Siberian pipelines

20 June 2019

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New maps that use information from the Copernicus Sentinel-5P satellite reveal emissions of nitrogen dioxide along a Siberian natural gas pipeline that connects the Urengoy gas field – the second-largest gas field in the world – with Europe.

The Urengoy–Pomary–Uzhhorod pipeline is one of Russia's main natural gas export pipelines. In order to maintain the pressure and flow over long distances, a series of compressor stations are strategically placed to help push the gas along.

Compressor stations typically run on gas-powered turbines, and their high-temperature combustion usually leads to small quantities of nitrogen dioxide emissions being lost to the atmosphere.

Until now, it has proved difficult to measure trace-gas concentrations over snow-covered regions such as Siberia, northern Europe and Canada, as it has been very difficult to distinguish clouds from snow and ice in the data retrieval algorithms – considering snow and clouds appear equally bright and cold.

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Raikoke spits ash

24 June 2019

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An unexpected and powerful eruption started at Raikoke volcano in the Kuril Islands on 21 June 2019. This image, which was captured on 22 June, shows the brown ash plumes rising high above the dense clouds – drifting eastwards over the North Pacific Ocean.

According to the Volcanic Ash Advisories Center (VAAC) Tokyo, the thick ash plumes rose to approximately 13 km above sea level. Weather officials warned aircrafts flying over the area to be careful of any volcanic ash following the eruption.

The majority of the plume is now drifting over the Bering Sea. Raikoke is a circular stratovolcano located on an inhabited island, its last eruption was in 1924.

raikoke

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ALOS PALSAR OTF - Maintenance on 27 June 2019

25 June 2019

A software maintenance activity will affect the On-The-Fly (OTF) ALOS PALSAR data dissemination service on Thursday 27 June 2019. The service will be unavailable from 09:00 to 10:00 CEST.


For an overview on the MIRAS instrument anomalies and their impact on the SMOS mission data availability see Experienced MIRAS Anomalies and Mission Impact.

Detailed SMOS unavailability and anomalies reports are produced by the SMOS Flight Operation (FOS) team and are available here:

For weekly reports see the respective links below:

SMOS Flight Operation Segment Weekly Reports 2019
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SMOS Flight Operation Segment Weekly Reports (Archive)
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