Solution of the linear diffusion equation for modelling erosion processes with a time varying diffusion coefficient
In this paper, the analytical expression of the solution of the differential equation of the erosion process (diffusion equation) is found and the behaviour of this solution in the spatial and wave number domains is studied. The theoretical
Coupled numerical–analytical approach to landscape evolution modeling
The AA. propose a new approach for landscape evolution modeling that couples irregular grid-based numerical solutions for the large-scale fluvial dynamics and continuum-based analyticalsolutions for the small-scale fluvial and hillslope dynamics
with large grid spacing, DAC predictions fit well an analyticalsolution for divide migration in the presence of horizontal advection of topography. In addition, DAC is used to study some outstanding problems in landscape evolution : the time to steady-state
Progress in analytical groundwater modeling in Special issue.
Les modèles simulant l'écoulement souterrain de et vers les puits et les cours d'eau, la subsidence due à l'abaissement de la pression artésienne, le transport d'éléments en solution, ont été appliqués largement à des systèmes aquifères différents
Binary outcomes and endogenous explanatory variables: tests and solutions with an application to the demand for contraceptive use in Tunisia
The paper describes a simple analytic framework for estimating the effects of explanatory variables on discrete outcomes, which controls for the potential endogeneity of explanatory variables. It discusses tests for exogeneity and joint
Analytical results for prediction of variable rainfall infiltration
dans la partie supérieure du sol. Les solutions obtenues, de l'évolution de la teneur en eau, supposent une loi puissance de la perméabilité du sol. Etablissement des formules pour des précipitations d'intensité constante ou pour des précipitations
The one dimensional heat conduction equation is applied to a non-uniform soil in which harmonic boundary conditions are specified. The analyticsolutions are derived for practical use and satisfy a law that the thermal diffusivity is proportional
The aim of this special issue is to provide analytical keys for resolving the apparent paradoxes of project-based organizing. A solution to these paradoxes has to be found in the interrelation between temporary projects and the permanent