Axel Amediek

TL;DR: In this article, the authors investigate potential sources of measurement errors and compare them with the scientific requirements for a direct detection CO2 system operating at 1.6μm, 0.4% for CO2 at 2.1μm and 0.3% for CH4 at 3.9μm.

TL;DR: In this article, an experimental setup of an integrated path differential absorption lidar (IPDA) is presented, operating at 1.57 μm using direct detection, an injection seeded KTP-OPO system pumped by a Nd:YAG laser serves as the transmitter, and the seed laser is actively stabilized by means of a CO2 reference cell.

TL;DR: In this article, a Methane Remote Lidar Mission (MERLIN) on a small satellite in polar orbit was proposed by DLR and CNES in the frame of a German-French climate monitoring initiative, where a modest-size lidar instrument with 0.45 W average laser power and 0.55 m telescope diameter on a 506 km orbit could provide 50-km averaged methane column measurement along the sub-satellite track with a precision of about 1% over vegetation.

TL;DR: This paper presents the first measurements of the integrated-path differential-absorption lidar CHARM-F (CO2 and CH4 Remote Monitoring-Flugzeug), and shows performance analyses as well as the methodology for the quantification of strong point sources applied on example cases.

TL;DR: In this paper, an integrated path differential absorption (IPDA) lidar technique using hard target reflection in the near IR (1.57μm and 1.64μm) was used to measure the column-averaged dry air mixing ratio of CO2 and CH4.