Výsledky vyhledávání - "J. R. Philip"

Primitive Analysis of the Ship Tracking Problem

Autor: J. W. Rottman, J. R. Philip

Publikováno v: Journal of Applied Meteorology. 39:1031-1040

Satellite images reveal tracks of enhanced solar reflectivity in low-level stratus clouds over the ocean that are known to be produced by the aerosols emitted from diesel-powered ships. The question arises: Can we track a ship from such images? A pri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::482699ff189be038e431957858c55279
https://doi.org/10.1175/1520-0450(2000)039<1031:paotst>2.0.co

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Dual Thermal Probes near Plane Interfaces

Autor: Gerard J. Kluitenberg, J. R. Philip

Publikováno v: Soil Science Society of America Journal. 63:1585-1591

The dual probe estimates the thermal properties of soils. Because it is strongly dependent on water content, volumetric heat capacity is useful for moisture estimation. A previous study of probe errors due to soil heterogeneity is taken further with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c9120476d94da949724a3e53329a6ac7
https://doi.org/10.2136/sssaj1999.6361585x

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Errors of Dual Thermal Probes Due to Soil Heterogeneity across a Plane Interface

Autor: J. R. Philip, Gerard J. Kluitenberg

Publikováno v: Soil Science Society of America Journal. 63:1579-1585

The dual thermal probe enables estimation of the thermal diffusivity, volumetric heat capacity (C), and thermal conductivity of soils. It has been much employed for moisture estimation because of the strong dependence of C on soil water content. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::062ff1c029e28ea4059aca74561a1417
https://doi.org/10.2136/sssaj1999.6361579x

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Redistribution with air diffusion

Autor: C.J. van Duijn, J. R. Philip

Publikováno v: Water Resources Research. 35:2295-2300

Later work has revealed wider implications and applications of the similarity solution for redistribution of soil water with capillary hysteresis [Philip, 1991]. The analysis involves continuity of both water potential and flow velocity across the in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9be935f7ffb9169beddfa0416152e37
https://doi.org/10.1029/1999wr900115

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Seepage shedding by parabolic capillary barriers and cavities

Autor: J. R. Philip

Publikováno v: Water Resources Research. 34:2827-2835

The 1989 analysis of seepage exclusion from underground cavities established the parabolic and paraboloidal geometries as the most efficient. That work is extended here to an analysis of seepage into the cavity. The cavity results carry over to maxim

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0a49a8521dc030f64986dcbc6d5d7d5f
https://doi.org/10.1029/98wr01859

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Infiltration into crusted soils

Autor: J. R. Philip

Publikováno v: Water Resources Research. 34:1919-1927

Quasi-analytic methods are used to analyze ponded infiltration into crusted soils. The flux-concentration method provides accurate bridging between exact small-time similarity and large-time traveling wave solutions. Various studies have used one or

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b97c9b375860c2c50068b9a7b34b82b1
https://doi.org/10.1029/98wr01207

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Steady infiltration flows with sloping boundaries

Autor: J. H. Knight, J. R. Philip

Publikováno v: Water Resources Research. 33:1833-1841

General theorems are established that enable immediate solution of the quasilinear steady infiltration equation for any distribution of line and point sources at or beneath a sloping upper soil surface, or on or above a sloping impermeable base. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::21af918c9d4ff952c0c57a03eca01957
https://doi.org/10.1029/97wr00028

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Blending and internal boundary-layer heights, and shear stress

Autor: J. R. Philip

Publikováno v: Boundary-Layer Meteorology. 84:85-98

Previous studies of blending heightsfor scalars, using periodic solutions of atmosphericconvection-diffusion equations, raise two questions. 1. What is the relation between growth of the internalboundary-layer height downwind of a step in surfacecond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1c162c8708514712de64b89f901847d
https://doi.org/10.1023/a:1000345015838

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