Tinted detail of a photo: Tops of billowing clouds seen from above at sunset, dark grey masses edged with glowing gold where the sun shines through, under an orange sky.
AS
Atmospheric Sciences

measurement quality

Is How We View the Atmosphere Too Dry?

Is How We View the Atmosphere Too Dry?

Many people think about air as a fixed mix of gases like nitrogen, oxygen, and carbon dioxide (CO2). But the main reason the composition of air changes—water vapour—tends to get overlooked. Scientists often remove it from atmospheric samples before analysing air composition, and this convenient habit can make us forget something surprising: water vapour isn’t …[Read More]