Radiative and precipitation controls on root zone soil moisture spectra
作者： Taro Nakai , Gabriel G. Katul , Ayumi Kotani , Yasunori Igarashi , Takeshi Ohta
DOI: 10.1002/2014GL061745
关键词: Precipitation 、 Radiative transfer 、 Context (language use) 、 Radiation 、 Radiative forcing 、 Atmospheric sciences 、 Field capacity 、 Environmental science 、 Climatology 、 Spectral line 、 Evapotranspiration
摘要: Temporal variability in root zone soil moisture content (w) exhibits a Lorentzian spectrum with memory dictated by damping term when forced white-noise precipitation. In the context of regional dimming, radiation and precipitation are needed to reproduce w trends prompting interest how is altered radiative forcing. A hierarchy models that sequentially introduce precipitation, net radiation, effect on evaporative drainage losses was used analyze at subtropical temperate forested sites. Reproducing spectra long time scales necessitated simultaneous measurements depending site conditions. The inferred from observed 25–38 days, larger than determined maximum wet evapotranspiration field capacity. can be reasonably phase.
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