Results 221 to 230 of about 13,992 (262)

Litter type and thickness modulate microclimate and seedling establishment in <i>Cunninghamia lanceolata</i>. [PDF]

Front Plant Sci
Liu B, Wang Z, Wang L.
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Insights Into Water Vapor Uptake by Dry Soils Using a Global Eddy Covariance Observation Network. [PDF]

Glob Chang Biol
Paulus SJ, Migliavacca M, Reichstein M, Orth R, Lee SC, Carrara A, Hildebrandt A, Nelson JA.   +7 more
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Merging rigor and relevance in grazingland research: a comprehensive social-ecological monitoring approach. [PDF]

Carbon Balance Manag
Stanley PL, Kuhl AS, Maciel ICF, Cotrufo MF, Goodwin DJ, Hodbod J, Anderson MC, Scasta JD, Peirce ES, Branecky M, Brokus S, Clement RJ, DeLay ND, Derner JD, MathisonSlee M, Mitchell R, Patterson EL, Zhang Y, Asher J, Gao F, Manning DT, O'Neil G, Pallickara SL, Paustian K, Raven MR, Sacramento JP, Wu Y, Likins JM, Bista D, Colella F, Congio GFS, Dong Z, Gordon E, Gosnell H, Guber AK, Kearney SP, Lupi F, Matin A, Nimlos NM, Vivas J, Gergeni TM, Smith AP, Rowntree JE.   +42 more
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Calibration of soil heat flux sensors

Agricultural and Forest Meteorology, 1998
Abstract Soil heat flux is difficult to measure accurately and soil heat flux plates are difficult to calibrate. In this research the reference heat flux was calculated from the temperature gradient and independent thermal conductivity measurements. Reference conductivities, as measured by the non-steady state probe method, have an error of about 2%,
van Loon, W.K.P., Bastings, H.M.H., Moors, E.J.   +2 more
exaly   +2 more sources

Soil heat flux measurements in an open forest

Physics and Chemistry of the Earth, 1996
The soil surface heat flux in an open oak forest was determined at four locations to account for the heterogeneity of the forest. Soil temperatures and soil water content were measured at several depths and an integration method with three layers was used. The thickness of the bottom layer was determined with a spectral method.
Meulen, M.W.J. van der, Klaassen, W.
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A study of soil heat flux

Proceedings. 2005 IEEE International Geoscience and Remote Sensing Symposium, 2005. IGARSS '05., 2005
Abstract —It is common that surface energy balance is not closure for many land surface types. The reasons to affect energy balance include several aspects. This paper uses three methods to correct soil heat flux based on the data from Xiaotangshan experiment, Beijing, 2004. It also compares energy balance closure ratio between every method.
null Li Lu, null Shaomin Liu, null Minzhang Sun, null Jiemin Wang, null Huizhen Zhou   +4 more
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Soil Heat Flux

1979
Soil heat flux is sometimes ignored because its magnitude is often small relative to the other terms in the energy balance equation. The daily and yearly sums are normally near zero, but daily values can be significant when the soil is heating in the spring or cooling in the fall.
Leo J. Fritschen, Lloyd W. Gay
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Soil Temperature and Soil Heat Flux

2016
The soil temperature regime depends on its thermal properties (specific heat, thermal conductivity, thermal diffusivity and thermal admittance). The main factors affecting the thermal regime are water content, soil texture and compaction. The rate of heating (or cooling) of the soil is proportional to its diffusivity which is higher in sandy soils. The
Francisco J. Villalobos, Luca Testi, Luciano Mateos, Elias Fereres   +3 more
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Calibration of soil heat flux transducers

Theoretical and Applied Climatology, 1990
Soil heat flux transducer calibration, according to theory, is influenced by the thermal conductivity difference between the transducer and the calibration medium and the geometry of the transducer. This study was conducted to compare the influence of these parameters on the calibration factors of two types of commercial soil heat flux transducers with
T. A. Howell, J. A. Tolk
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Partition of sensible heat fluxes into bare soil and the atmosphere

Agricultural and Forest Meteorology, 1996
Energy exchanges between a bare soil and the atmosphere depend on both soil parameters and meteorological conditions. The present work has been designed to describe the sensible heat partition between soil and the atmosphere, and to develop simple methods for calculating soil heat flux from soil properties and meteorological data.
Cellier, Pierre, Richard, Guy, Robin, Paul   +2 more
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