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@ARTICLE{Liu:256591,
      author       = {Liu, Yi and Zhang, Yuli and Wang, Yong and Liu, Chuanxi and
                      Cai, Zhaonan and Konopka, Paul and Müller, Rolf},
      title        = {{D}ominant {M}odes of {T}ropospheric {O}zone {V}ariation
                      over {E}ast {A}sia from {GOME} {O}bservations},
      journal      = {Advances in meteorology},
      volume       = {2015},
      issn         = {1687-9317},
      address      = {New York, NY [u.a.]},
      publisher    = {Hindawi Publ. Corp.},
      reportid     = {FZJ-2015-06465},
      pages        = {1 - 10},
      year         = {2015},
      abstract     = {The variation in tropospheric ozone over East Asia was
                      analyzed using tropospheric column ozone data measured by
                      the Global Ozone Monitoring Experiment (GOME) satellite. An
                      empirical orthogonal function (EOF) analysis was carried out
                      to derive the dominant modes of the variation in the
                      tropospheric ozone volume-mixing ratio (TOVMR). The EOF1
                      mode, which explained $61.5\%$ of the total variance, showed
                      a same-sign distribution over all of East Asia, with a belt
                      of enhanced ozone concentrations around 40°N. The principal
                      component of EOF1 (PC1) suggested that photochemical ozone
                      production together with Brewer-Dobson circulation and
                      subtropical westerly jet plays important roles in modulating
                      the seasonal variation of the TOVMR; ozone-rich air produced
                      by photochemical processes was transported from the
                      stratosphere to the troposphere by BD circulation and this
                      ozone-rich air was then blocked by the subtropical westerly
                      jet and accumulated north of the jet. The EOF2 mode
                      explained $29.2\%$ of the total variance with an
                      opposite-sign pattern on the north and south side of 35°N.
                      When anticyclonic circulation transported ozone-poor air
                      from the upwelling area over the Bay of Bengal towards the
                      Tibetan Plateau during the onset of the Asian summer
                      monsoon, tropospheric ozone in this region decreased
                      dramatically.},
      cin          = {IEK-7},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IEK-7-20101013},
      pnm          = {244 - Composition and dynamics of the upper troposphere and
                      middle atmosphere (POF3-244)},
      pid          = {G:(DE-HGF)POF3-244},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000362020000001},
      doi          = {10.1155/2015/879578},
      url          = {https://juser.fz-juelich.de/record/256591},
}