CEOS EO HANDBOOK – INSTRUMENT SUMMARY - IPDA LIDAR -
Full Name Integrated Path Differential Absorption Light Detection and Ranging Instrument Status Approved
Instrument Agencies DLR, CNES Maturity
Instrument Type Atmospheric chemistry Geometry Nadir-viewing
Instrument Technology Atmospheric lidar Sampling Sounding
Data Access Open Access Data Format
Measurements and Applications 'Active' optical remote sensing instrument for atmospheric parameters or trace gases. Global information on atmospheric Methane concentration (Methane column density measurements).
Resolution Summary 50 km x 0.15 km
[Best Resolution: 150m]
Swath Summary 0.15 km
Accuracy Summary <2%
Waveband Summary Two laser wavelengths, mean wavelength 1645 µm
SWIR (~1.3 µm - ~3.0 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
Trace gases (excluding ozone)CH4 Mole Fraction
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Carbon Dioxide, Methane and other Greenhouse gases click here click here search ECV Inventory records
Instrument Missions
MERLIN - Methane Remote Sensing Lidar Mission (2028 - 2031)