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@INPROCEEDINGS{Wiekenkamp:279229,
      author       = {Wiekenkamp, Inge and Lin, H. S. and Graf, Alexander and
                      Huisman, Johan Alexander and Bogena, Heye and Vereecken,
                      Harry},
      title        = {{D}eforestation {E}ffects on {S}oil {M}oisture {P}atterns
                      and {W}ater {F}luxes in a {H}eadwater {C}atchment},
      reportid     = {FZJ-2015-07244},
      year         = {2015},
      abstract     = {Although the hydrological effects of deforestation have
                      been studied since the beginning of the 20th century, little
                      is known about its effect on soil moisture variability and
                      water movement through the vadose zone. Analyzing the
                      changes in patterns of soil moisture content can assist in
                      identifying changes in short-term catchment dynamics. The
                      objective of this study was to evaluate changes in
                      spatial-temporal soil moisture patterns and water movement
                      caused by partial deforestation in the small headwater
                      catchment Wüstebach (Germany). In this catchment, soil
                      moisture has been measured since July 2009 at more than 100
                      locations using a wireless soil moisture sensor network with
                      a 15 minute resolution. Additionally, discharge,
                      precipitation, and evapotranspiration data have been used to
                      better interpret temporal soil moisture fluctuations and to
                      put these into a broader hydrologic perspective. In August
                      2013, spruce trees within an area of 9 ha were almost
                      completely removed. To identify the effects of this
                      deforestation, the relationship between the soil moisture in
                      the control area (remaining forest) and the deforested area
                      were studied before and after the deforestation. Changes in
                      preferential flow occurrence were identified using a sensor
                      response time analysis of soil moisture measurements before
                      and after the deforestation where preferential flow was
                      identified as a non-sequential sequence of sensor response
                      times within the soil. Using this approach, spatial and
                      temporal changes in preferential flow occurrence and changes
                      in factors that affected preferential flow occurrence were
                      identified. Results of our study reveal an increased wetness
                      of the deforested area, with the most significant changes in
                      the upper soil (5 cm). Nonetheless, the relationship between
                      the mean soil moisture and its standard deviation remained
                      similar before and after deforestation, which might indicate
                      that the deforestation measures have not yet caused a
                      significant change in soil properties at the sensor
                      locations.},
      month         = {Jun},
      date          = {2015-06-13},
      organization  = {Gordon Research Seminar and Catchment
                       Conference, Andover,NH (USA), 13 Jun
                       2015 - 19 Jun 2015},
      subtyp        = {After Call},
      cin          = {IBG-3},
      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)24},
      url          = {https://juser.fz-juelich.de/record/279229},
}