Introduction

Hello everyone!

This is an inofficial private blog about the scientific aircraft mission "EMeRGe-Asia". The mission is conducted using the German research aircraft HALO, operated by DLR. Mission coordinator is the University Bremen. See here for the project website.
My name is Johannes Schneider, scientist at the Max Planck Institute for Chemistry, Mainz, Germany.

The mission goal is to study the evolution of the emissions of megacities (or major population centers) during their stay and transport in the atmosphere. The first part of the project, EMeRGe-EU, was conducted over Europe in July 2017. The second phase, EMeRGe-Asia, is about to start right now. The preparation of the aircraft at Oberpfaffenhofen, DLR, has started already some weeks ago, but now we are ready to get airborne. Tomorrow we will do a test flight, and on Saturday (10.03.2018) HALO will start for the first part of the ferry flight to Taiwan, where it will be based for the next 4 weeks. The ferry flight was planned to go via Abu Dhabi and Phuket (Thailand), so with two overnight stops, but today we learned that Phuket is not possible, so new plans have to be made.
The ferry flight will be a measurement flight (with the exception of the second part, because we didn't receive an aerial work permit for Indian airspace). That means, ground crew is needed at the second stop, which was thought to be Phuket until today. So, I don't know yet where I will have to fly on Saturday yet! Also the HALO crew for the ferry flight doesn't know yet where they will land on Sunday.

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HALO left Taiwan

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At 09:02, only two minutes later than scheduled, HALO took off for the last time from Tainan airport. The flight today will go to U-Tapao, Thailand, not only as a pure ferry flight, but also as a scientific measurement flight. And we leave at the right time, because today was a really chilly and windy morning! The team watches HALO preparing for the last take-off from Tainan. Yesterday the group started packing the equipment and preparing the shipping, some of the team will continue and finish today, while I will be already on my way to Taipei and then to Frankfurt. All the equipment has to be shipped back.
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End of the campaign

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The ferry flights from Tainan over U-Tapao and Abu Dhabi to Oberpfaffenhofen went well, HALO arrived in Germany on Monday afternoon. On my way back I paid a short visit to the Taipei 101 tower before catching the flight to Frankfurt. Taipei The dismounting of the instruments started on Tuesday, on Wednesday afternoon our colleagues brought the C-ToF-AMS back to Mainz (a big thank you!), and today we could set it up in our lab where it will remain until the next HALO campaign (CAFE-Africa, June - September 2018)... C-ToF-AMS back at MPIC! This is also the end of this blog. CU!
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Longest measurement flight

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At least up to now this was the longest measurement flight, 9 hours and 23 minutes. It lead us to the coast of Japan where we measured pollution from Japan and older emissions from the Yangtse region. On the way to Japan we flew at high altitude where we encountered an air mass mixed down from the stratosphere, with high ozone values. At the end we flew low over Taipeh and the west coast of Taiwan . Taipeh Power plant on west coast of Taiwan The happy mission PI after the flight.
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