Artist’s im­pres­sion of MER­LIN

Artist’s im­pres­sion of MER­LIN
Credit: CNES/Illustration David DUCROS.

Artist’s impression of MERLIN

The Ger­man-French MER­LIN satel­lite will mea­sure the methane con­cen­tra­tion in Earth's at­mo­sphere from 2021. MER­LIN is based on the new satel­lite bus 'Myr­i­ade Evo­lu­tions' de­vel­oped by CNES to­geth­er with the French aerospace in­dus­try. The satel­lite pay­load - a so-called LI­DAR (LIght De­tec­tion And Rang­ing) in­stru­ment, which can al­so con­duct mea­sure­ments at night and through thin clouds, is be­ing de­vel­oped and con­struct­ed in Ger­many on be­half of the DLR Space Ad­min­is­tra­tion, fund­ed by the Fed­er­al Min­istry for Eco­nom­ic Af­fairs and En­er­gy (BMWi). The core part of the in­stru­ment is a laser, which can send out light puls­es on two dif­fer­ent wave­lengths and thus mea­sure the methane con­cen­tra­tion at all lat­i­tudes with great pre­ci­sion re­gard­less of sun­light.

The German-French MERLIN satellite will measure the methane concentration in Earth's atmosphere from 2021. MERLIN is based on the new satellite bus 'Myriade Evolutions' developed by CNES together with the French aerospace industry. The satellite payload - a so-called LIDAR (LIght Detection And Ranging) instrument, which can also conduct measurements at night and through thin clouds, is being developed and constructed in Germany on behalf of the DLR Space Administration, funded by the Federal Ministry for Economic Affairs and Energy (BMWi). The core part of the instrument is a laser, which can send out light pulses on two different wavelengths and thus measure the methane concentration at all latitudes with great precision regardless of sunlight.

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