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used O
the O
monthly O
BA B-climate-properties
from O
four O
BA B-climate-properties
datasets O
— O
from O
the O
MODIS B-climate-observations
sensor I-climate-observations
( O
MCD45A1 B-climate-observations
) O
, O
the O
MERIS B-climate-observations
sensor I-climate-observations
( O
MERIS B-climate-observations
FIRE_CCI I-climate-observations
) O
, O
the O
Global B-climate-datasets
Fire I-climate-datasets
Emission I-climate-datasets
Database I-climate-datasets
version I-climate-datasets
4 I-climate-datasets
( O
GFED4 B-climate-datasets
) O
and O
version O
4s O
including O
small O
fires B-climate-hazards
( O
GFED4s B-climate-datasets
) O
. O
We O
performed O
a O
Principal O
Component O
Analysis O
( O
PCA O
) O
on O
the O
coefficients O
of O
determination O
. O
-DOCSTART- -X- O Off47b4c15bed214b841f8f7b9035325c
Recent O
increases O
in O
the O
Natural B-climate-problem-origins
Gas I-climate-problem-origins
( O
NG B-climate-problem-origins
) O
production O
through O
hydraulic B-climate-problem-origins
fracturing I-climate-problem-origins
have O
called O
into O
question O
the O
climate O
benefit O
of O
switching O
from O
coal B-climate-problem-origins
- O
fired O
to O
natural B-climate-problem-origins
gas I-climate-problem-origins
- O
fired O
power B-climate-problem-origins
plants I-climate-problem-origins
. O
Higher O