Journal ArticleDOI
Frequency, electrical conductivity and temperature analysis of a low-cost capacitance soil moisture sensor
Fred Kizito,Colin S. Campbell,Gaylon S. Campbell,Douglas R. Cobos,Brody Teare,Brady P. Carter,Jan W. Hopmans +6 more
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TLDR
In this paper, the authors evaluated the ECH 2 O sensors for measurement of soil moisture content, bulk electrical conductivity (EC b ), and temperature across a range of soils, across a measurement frequency between 5 and 150MHz.About:
This article is published in Journal of Hydrology.The article was published on 2008-05-15. It has received 309 citations till now. The article focuses on the topics: Soil moisture sensor & Soil type.read more
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Positive feedback and momentum growth during debris-flow entrainment of wet bed sediment
Richard M. Iverson,Mark E. Reid,Matthew Logan,Richard G. LaHusen,Jonathan W. Godt,Julia P. Griswold +5 more
TL;DR: In this paper, the authors use data from large-scale experiments to assess the entrainment of bed material by debris flows and find that entrainments are accompanied by increased flow momentum and speed only if large positive pore pressures develop in wet bed sediments as the sediments are overridden by debris flow.
Journal ArticleDOI
A Network of Terrestrial Environmental Observatories in Germany
Steffen Zacharias,Heye Bogena,Luis Samaniego,Matthias Mauder,Roland Fuß,Thomas Pütz,Mark Frenzel,Mike Schwank,Cornelia Baessler,Klaus Butterbach-Bahl,O. Bens,Erik Borg,Achim Brauer,Peter Dietrich,Irena Hajnsek,Gerhard Helle,Ralf Kiese,Harald Kunstmann,Stefan Klotz,Jean Charles Munch,Hans Papen,Eckart Priesack,Hans Peter Schmid,Rainer Steinbrecher,U. Rosenbaum,Georg Teutsch,Harry Vereecken +26 more
TL;DR: The Terrestrial Environmental Observatories (TERENO) as mentioned in this paper is an interdisciplinary research program that aims to observe and explore the long-term ecological, social, and economic impacts of global change at the regional level.
Journal ArticleDOI
On the spatio-temporal dynamics of soil moisture at the field scale
Harry Vereecken,Johan Alexander Huisman,Yakov Pachepsky,Carsten Montzka,J. van der Kruk,Heye Bogena,Lutz Weihermüller,Michael Herbst,Gonzalo Martinez,Jan Vanderborght +9 more
TL;DR: In this paper, the authors review the state of the art of characterizing and analyzing spatio-temporal dynamics of soil moisture content at the field scale and discuss measurement techniques that have become available in recent years and that provide unique opportunities to characterize field scale soil moisture variability with high spatial and temporal resolution.
Journal ArticleDOI
Soil Moisture Response to Snowmelt and Rainfall in a Sierra Nevada Mixed-Conifer Forest
Roger C. Bales,Jan W. Hopmans,Anthony T. O'Geen,M. W. Meadows,P. C. Hartsough,P. B. Kirchner,Carolyn T. Hunsaker,Dylan Beaudette +7 more
TL;DR: In this paper, a water-balance instrument cluster with spatially distributed sensors was used to determine the magnitude and within-catchment variability of components of the catchmentscale water balance, focusing on the relationship of seasonal evapotranspiration to changes in snowpack and soil moisture storage.
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Topographic controls on shallow groundwater dynamics: implications of hydrologic connectivity between hillslopes and riparian zones in a till mantled catchment
J. M. Detty,Kevin J. McGuire +1 more
TL;DR: In this article, a spatially distributed instrument network was employed to continuously measure hydrometric responses of the shallow subsurface during seasonal wet-up from summer through winter in a small till-maintained research catchment.
References
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Book
A Treatise on Electricity and Magnetism
TL;DR: The most influential nineteenth-century scientist for twentieth-century physics, James Clerk Maxwell (1831-1879) demonstrated that electricity, magnetism and light are all manifestations of the same phenomenon: the electromagnetic field as discussed by the authors.
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Electromagnetic determination of soil water content: Measurements in coaxial transmission lines
TL;DR: The dependence of the dielectric constant, at frequencies between 1 MHz and 1 GHz, on the volumetric water content is determined empirically in the laboratory as discussed by the authors, and the effect of varying the texture, bulk density, temperature, and soluble salt content on this relationship was also determined.