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@ARTICLE{Ehhalt:16936,
      author       = {Ehhalt, D.H. and Rohrer, F.},
      title        = {{T}he dependence of soil {H}2 uptake on temperature and
                      moisture: a reanalysis of laboratory data},
      journal      = {Tellus / B},
      volume       = {63},
      issn         = {0280-6509},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-16936},
      pages        = {1040 - 1051},
      year         = {2011},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {In the past two types of laboratory experiments have been
                      employed to determine the dependence of H2 uptake by soils
                      on temperature and moisture: Head space and flow
                      experiments. The former actually measure the rate constant
                      of the H2 removal from the head space, kH, the latter the
                      uptake rate of H2, UH2, both caused by a given volume of
                      soil. From an analytical solution of the diffusion equation
                      in the soil we derive a mathematical relation between kH and
                      ks, the desired uptake rate constant of H2 in soil. Another
                      equation relates UH2 with ks. Both types of experiments
                      actually determine the product of ks with Θa, the
                      air-filled pore volume fraction. ks.Θa for eolian sand and
                      loess loam show zero uptake at very low and high moisture
                      contents and a well defined maximum in between. Unlike soil
                      moisture which also acts on the soil properties, the soil
                      temperature, T, acts essentially on the enzyme activity
                      only. Thus ks(T) is directly proportional to kH(T) or UH2(T)
                      and the data of all experiments can be superimposed by
                      scaling. The resulting average ks(T) shows a broad maximum
                      around 30◦C with zero uptake below −20◦C and above
                      80◦C.},
      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:000296030800017},
      doi          = {10.1111/j.1600-0889.2011.00581.x},
      url          = {https://juser.fz-juelich.de/record/16936},
}