Results 41 to 50 of about 136,409 (177)

Erosividade e padrões hidrológicos de precipitação no Agreste Central pernambucano

open access: yes, 2012
A B ST R A C T The main form of erosion in Brazilian conditions is caused by the kinetic energy of the impact of raindrops on the soil surface, triggering the erosion process.
T. Santos, A. A. Montenegro
semanticscholar   +1 more source

Key processes influencing erosion and sediment transport in a semi-arid Mediterranean area: the Upper Tafna catchment, Algeria / Processus clefs influençant l'érosion et le transport des sédiments dans une région semi-aride Méditerranéenne: le bassin versant de la Haute Tafna, Algérie

open access: yes, 2007
The Maghreb is a mountainous region subjected to a contrasting climate with wind storms in summer and unpredictable rainfall fluctuation both throughout the year and from year-to-year.
A. Megnounif   +3 more
semanticscholar   +1 more source

Erosividade, coeficiente de chuva, padrões e período de retorno das chuvas de Quaraí, RS

open access: yes, 2007
The planning of agricultural and civil engineering activities must be based on knowledge of rainfall erosion potential. For Quarai, RS, Brazil, the rainfall erosivity and its relationship with precipitation and rainfall coefficient, rainfall patterns and
M. Bazzano, F. F. L. Eltz, E. A. Cassol
semanticscholar   +1 more source

African Land Ecology: Opportunities and Constraints for Agricultural Development [PDF]

open access: yes
Current agriculture in Sub-Sahara Africa is undeveloped and the Green Revolution has left the continent largely untouched. Poor performance is often related to a number of socio-economic factors.
B. G. J. S. Sonneveld   +2 more
core  

Erosividade, padrões hidrológicos e período de retorno das chuvas erosivas de Santa Rosa (RS)

open access: yes, 2009
The objective of this work was to determine the rainfall erosivity, hydrological patterns, return period and probability of occurrence of erosive rainfalls in Santa Rosa in the State of Rio Grande do Sul, Brazil, based on the period from 1975 to 2003 ...
Juliana Mazurana   +3 more
semanticscholar   +1 more source

Agro-pastoral and agro-ecological baseline survey. Methodology : short term consultancy 10-30 March 2002 [PDF]

open access: yes, 2002
Mission pour la définition d'une méthode de prise d'information et de suivi concernant l'environnement dans les régions où est appliquée la lutte contre les tsé-tsé et les trypanosomoses animales et humaines.
Maitima, Joseph   +2 more
core  

AVALIAÇÃO DO POTENCIAL EROSIVO DAS CHUVAS EMURUSSANGA, SC, NO PERÍODO DE 1980 A 2012

open access: yes, 2014
Knowledge of the erosive potential of rainfall and its distribution throughout the year contribute to planning management and soil conservation practices that aim to reduce water erosion, decreasing soil loss and increasing crop yields.
Morgana Levati Valvassori, Á. Back
semanticscholar   +1 more source

Potencial erosivo e características das chuvas de Encruzilhada do Sul, RS

open access: yes, 2011
The objective of this work was to determine the rainfall erosivity and some characteristics of erosive rainfalls of Encruzilhada do Sul (RS, Brazil), based on the period of 1958 to 1988. For each erosive rainfall, based on daily rainfall charts, the hour
F. F. L. Eltz   +2 more
semanticscholar   +1 more source

Water Figures: quarterly newsletter of the International Water Management Institute (IWMI). [PDF]

open access: yes
Groundwater irrigation, Electrification, Biofuels, Sedimentation, Catchment areas ...
International Water Management Institute (IWMI).
core  

Potencial erosivo da chuva de Cuiabá, MT: distribuição e correlação com a precipitação pluviométrica

open access: yes, 2011
The objectives of this study were: (a) to determine the erosivity factor (R) for the city of Cuiaba, as well as its return period and probability of occurrence, (b) to study the annual distribution, seasonal and monthly index erosivity (EI30), (c) to ...
C. O. S. Almeida   +4 more
semanticscholar   +1 more source

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