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than O
expected O
levels O
of O
methane B-climate-greenhouse-gases
, O
Non B-climate-greenhouse-gases
- I-climate-greenhouse-gases
Methane I-climate-greenhouse-gases
Hydrocarbons I-climate-greenhouse-gases
( O
NMHC B-climate-greenhouse-gases
) O
, O
and O
NOx B-climate-greenhouse-gases
have O
been O
observed O
in O
areas O
close O
to O
oil B-climate-problem-origins
and O
NG B-climate-problem-origins
operation O
facilities O
. O
We O
assessed O
the O
uncertainties O
around O
oil B-climate-problem-origins
and O
NG B-climate-problem-origins
emissions B-climate-problem-origins
by O
using O
measurements O
from O
the O
FRAPPE B-climate-observations
and O
DISCOVER B-climate-observations
- I-climate-observations
AQ I-climate-observations
campaigns O
over O
the O
Northern O
Front O
Range O
Metropolitan O
Area O
( O
NFRMA O
) O
in O
summer O
2014 O
. O
Comparison O
between O
airborne O
measurements O
and O
the O
sensitivity O
simulations O
indicates O
that O
the O
model O
- O
measurement O
bias O
of O
ethane O
ranged O
from O
−14.9 O
ppb O
to O
−8.2 O
ppb O
. O
-DOCSTART- -X- O O https://doi.org/10.3390/rs12213498
Harnessing O
the O
fire B-climate-hazards
data O
revolution O
, O
i.e. O