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@ARTICLE{Kaiser:17051,
author = {Kaiser, J.W. and Heil, A. and van der Werf, G.R.},
title = {{G}lobal {C}limate - {B}iomass {B}urning (in "{S}tate of
the {C}limate 2010")},
journal = {Bulletin of the American Meteorological Society},
volume = {92},
issn = {0003-0007},
address = {Boston, Mass.},
publisher = {ASM},
reportid = {PreJuSER-17051},
pages = {72 - 74},
year = {2011},
note = {Record converted from VDB: 12.11.2012},
abstract = {Several large-scale climate patterns influenced climate
conditions and weather patterns across the globe during
2010. The transition from a warm El Nino phase at the
beginning of the year to a cool La Nina phase by July
contributed to many notable events, ranging from record
wetness across much of Australia to historically low Eastern
Pacific basin and near-record high North Atlantic basin
hurricane activity. The remaining five main hurricane basins
experienced below-to well-below-normal tropical cyclone
activity. The negative phase of the Arctic Oscillation was a
major driver of Northern Hemisphere temperature patterns
during 2009/10 winter and again in late 2010. It contributed
to record snowfall and unusually low temperatures over much
of northern Eurasia and parts of the United States, while
bringing above-normal temperatures to the high northern
latitudes. The February Arctic Oscillation Index value was
the most negative since records began in 1950.The 2010
average global land and ocean surface temperature was among
the two warmest years on record. The Arctic continued to
warm at about twice the rate of lower latitudes. The eastern
and tropical Pacific Ocean cooled about 1 C from 2009 to
2010, reflecting the transition from the 2009/10 El Nino to
the 2010/11 La Nina. Ocean heat fluxes contributed to warm
sea surface temperature anomalies in the North Atlantic and
the tropical Indian and western Pacific Oceans. Global
integrals of upper ocean heat content for the past several
years have reached values consistently higher than for all
prior times in the record, demonstrating the dominant role
of the ocean in the Earth's energy budget. Deep and abyssal
waters of Antarctic origin have also trended warmer on
average since the early 1990s. Lower tropospheric
temperatures typically lag ENSO surface fluctuations by two
to four months, thus the 2010 temperature was dominated by
the warm phase El Nino conditions that occurred during the
latter half of 2009 and early 2010 and was second warmest on
record. The stratosphere continued to be anomalously
cool.Annual global precipitation over land areas was about
five percent above normal. Precipitation over the ocean was
drier than normal after a wet year in 2009. Overall, saltier
(higher evaporation) regions of the ocean surface continue
to be anomalously salty, and fresher (higher precipitation)
regions continue to be anomalously fresh. This salinity
pattern, which has held since at least 2004, suggests an
increase in the hydrological cycle.Sea ice conditions in the
Arctic were significantly different than those in the
Antarctic during the year. The annual minimum ice extent in
the Arctic-reached in September-was the third lowest on
record since 1979. In the Antarctic, zonally averaged sea
ice extent reached an all-time record maximum from mid-June
through late August and again from mid-November through
early December. Corresponding record positive Southern
Hemisphere Annular Mode Indices influenced the Antarctic sea
ice extents.Greenland glaciers lost more mass than any other
year in the decade-long record. The Greenland Ice Sheet lost
a record amount of mass, as the melt rate was the highest
since at least 1958, and the area and duration of the
melting was greater than any year since at least 1978. High
summer air temperatures and a longer melt season also caused
a continued increase in the rate of ice mass loss from small
glaciers and ice caps in the Canadian Arctic. Coastal sites
in Alaska show continuous permafrost warming and sites in
Alaska, Canada, and Russia indicate more significant warming
in relatively cold permafrost than in warm permafrost in the
same geographical area. With regional differences,
permafrost temperatures are now up to 2 C warmer than they
were 20 to 30 years ago. Preliminary data indicate there is
a high probability that 2010 will be the 20th consecutive
year that alpine glaciers have lost mass.Atmospheric
greenhouse gas concentrations continued to rise and ozone
depleting substances continued to decrease. Carbon dioxide
increased by 2.60 ppm in 2010, a rate above both the 2009
and the 1980-2010 average rates. The global ocean carbon
dioxide uptake for the 2009 transition period from La Nina
to El Nino conditions, the most recent period for which
analyzed data are available, is estimated to be similar to
the long-term average. The 2010 Antarctic ozone hole was
among the lowest $20\%$ compared with other years since
1990, a result of warmer-than-average temperatures in the
Antarctic stratosphere during austral winter between
mid-July and early September.},
keywords = {J (WoSType)},
cin = {IEK-8},
ddc = {550},
cid = {I:(DE-Juel1)IEK-8-20101013},
pnm = {Atmosphäre und Klima},
pid = {G:(DE-Juel1)FUEK491},
shelfmark = {Meteorology $\&$ Atmospheric Sciences},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000293132800003},
doi = {10.1175/1520-0477-92.6.S1},
url = {https://juser.fz-juelich.de/record/17051},
}