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@ARTICLE{Andreasen:837560,
      author       = {Andreasen, Mie and Jensen, Karsten H. and Desilets, Darin
                      and Franz, Trenton E. and Zreda, Marek and Bogena, Heye and
                      Looms, Majken C.},
      title        = {{S}tatus and {P}erspectives on the {C}osmic-{R}ay {N}eutron
                      {M}ethod for {S}oil {M}oisture {E}stimation and {O}ther
                      {E}nvironmental {S}cience {A}pplications},
      journal      = {Vadose zone journal},
      volume       = {16},
      number       = {8},
      issn         = {1539-1663},
      address      = {Madison, Wis.},
      publisher    = {SSSA},
      reportid     = {FZJ-2017-06448},
      pages        = {0 -},
      year         = {2017},
      abstract     = {Since the introduction of the cosmic-ray neutron method for
                      soil moisture estimation, numerous studies have been
                      conducted to test and advance the accuracy of the method.
                      Almost 200 stationary neutron detector systems have been
                      installed worldwide, and roving systems have also started to
                      gain ground. The intensity of low-energy neutrons produced
                      by cosmic rays, measured above the ground surface, is
                      sensitive to soil moisture in the upper decimeters of the
                      ground within a radius of hectometers. The method has been
                      proven suitable for estimating soil moisture for a wide
                      range of land covers and soil types and has been used for
                      hydrological modeling, data assimilation, and calibration
                      and validation of satellite products. The method is
                      challenged by the effect on neutron intensity of other
                      hydrogen pools such as vegetation, canopy interception, and
                      snow. Identifying the signal of the different pools can be
                      used to improve the cosmic-ray neutron soil moisture method
                      as well as extend the application to, e.g., biomass and
                      canopy interception surveying. More fundamental research is
                      required for advancement of the method to include more
                      energy ranges and consider multiple height levels.},
      cin          = {IBG-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000408267600001},
      doi          = {10.2136/vzj2017.04.0086},
      url          = {https://juser.fz-juelich.de/record/837560},
}