Diurnal variations of rainfall events by synoptic type in Natal
Climatological records of hourly rainfall at recording stations in Natal describe the diurnal variation of rainfall events derived from a number of different rainfall-producting systems. These are then identified. - (AJC)
Discussion of the results of experiments using simulated rainfall. It is shown that, because film thickness increases, the direct impact of rainfall on sediment transport decreases with slope length.
Pattern of rainfall distribution in the Central Pacific coast of Mexico
The Central Pacific coast of Mexico can be classified into four zones, each showing different rainfall patterns. As a result of tropical cyclone influence in the Pacific coast, the level of rainfall probability differs between zones. Such influence
is revealed in the total annual rainfall, in the seasonality and in the monthly rainfall pattern.
Rainfall, temperature and dust storm anomalies in the African Sahel
Considering the importance of the dust storm phenomenon in the regional and global climatological context, this study sets out to examine the relationship between annual and interannual fluctuations in dust storm frequency and rainfall
The soil erosion model presented in this paper is based predominantly on general physical principles. The model parameters are related directly to measurable soil, slope and rainfall properties. Both the erosion and the deposition of the soil
The A. shows that dune molerat size and rainfall are meaning-fully correlated both in modern samples for which rainfall is known and in fossil ones for which rainfall has been independently inferred. It follows that dune molerat size may be used
to gauge past rainfall even at sites where other climatic evidence is lacking.
This paper constitutes a part of a larger study on runoff and sediment production from badlands developed on clays and on marls. Rainfall simulation was carried out in winter and summer 1989. Rainfall was applied on bare and vegetated surfaces
Effects of peat content, rainfall duration and aggregate size on soil crust strength
This paper investigates the effect of the incorporation of organic matter in the form of peat on soil crust strength and adopts an interactive approach to study the effects of soil organic matter content, rainfall duration, and aggregate size
results are obtained when the product of rainfall kinetic energy and drop circumference is used or when rainfall detachment power is estimated as the 0.75 power of rainfall intensity.
Daily rainfall data for four stations in Europe and east Africa are used to obtain, by means of magnitude-frequency analysis, a measure of Cumulative Erosion Potential (CEP) that takes into account rainfall characteristics, soil water storage
, and granulometric properties of soils. Together with additional data on the surface configuration and on seasonal variations of rainfall and plant cover, the CEP can provide a basis for estimating hillslope erosion by overland flow.
A number of soil properties related to runoff generation and erosion, have been studied along an altitudinal transect in the Judean Desert. At three locations experiments with a Morin rainfall simulator were undertaken to study infiltration, runoff
Modelling the time-dependent nature of the rainfall-runoff relationships using on-line identification
This paper focusses on the problem of real-time calibration of the time-variant rainfall-runoff relationship. Two different approaches to adaptive modelling of dynamic systems, i.e. firstly the introduction of a « forgetting » factor and secondly
Replicated runoff and soil loss measurements were made on nine Morrocan soils having 9 to 10 % slopes using a rainfall simulator. The objectives of the study are to relate soil erodibility to major physical, chemical and mineralogical properties
Experiments were carried out in order to measure the sediment transport capacity of interrill flow with and without rainfall and to relate the transport capacity to selected hydraulic parameters, such as effective stream power and shear velocity
. Different sediments were used in order to study the effect of grain size. The proposed relationship show considerable variations with grain size and there is only a minor effect of rainfall on the transport capacity which also seems to be grain size
Desertification, famine, and the 1988 rainfall - The case of Umn Ruwaba District in the Northern Kordofan region in Migration and identity change in the Sudan.