Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 952 for “"arid"”.
-
An integrated modelling approach for sustainable management of semi-arid and arid rangelands
… resource management strategies for semi-arid and arid rangelands is acute as non-adapted grazing strategies lead to irreversible environmental problems such as desertification and associated loss of economic support to society. In such vulnerable ecosystems, successful implementation of …
-
State policy and food insecurity in Kenya's arid and semi-arid land (ASAL) regions
Kenya's arid and semi-arid lands (ASALs) have continued to experience chronic and persistent food crises despite the efforts made by governmental and non-governmental organizations to address the problem. Inappropriate policies and poor approaches have partly been blamed for this persistence. This …
-
Geoarchaeology in semi-arid landscapes
… the potential of open-air sites in the semi-arid interior. Research at open-air sites poses analytical difficulties, such as poor preservation of organic materials, which has led to an oversight of the archaeological potential of open-air sites. This creates a knowledge gap regarding human …
-
Surface detection of alkaline ultramafic rocks in semi-arid and arid terrains using spectral geological techniques
… of alkaline and other ultramafic rocks from arid and semi-arid regions. To date these rocks have not been investigated spectrally in a systematic fashion using the latest field and airborne imaging spectrometers. The objective was to determine how spectral geological techniques could be used …
-
A Framework for Development in Rural Arid and Semi-Arid Environments in Africa: The Somalia Case
… of sustainable jobs and businesses in rural, arid and semi-arid agricultural conflict zones of Sub Saharan Africa, focusing on Somalia's societal stabilization and conflict mitigation. This task requires developing risk-reducing measures for infrastructure and service delivery in rural, …
-
Spatial and temporal patterns (1973-2012) of bushfire in an arid to semi-arid region of Western Australia
… reconstruct fire regimes/history of an extensive arid to semi-arid region of Western Australia for the last 40 years by studying temporal and spatial fire scar patterns using remote sensing in a Geographic Information System environment. Methods A fire history database was constructed, for the …
-
Fluvial geomorphology and paleofloods in arid central Australia
… geomorphology of the Todd River(9,300 km2) in arid central Australia. It describes the morphology, motphostratigraphy, dimentary characteristics and chronology of the modern flood plain and paleoflood complexes, and discusses the geomorphic effects of high magnitude floods and the subsequent …
-
Protected areas and management agencies in arid landscapes.
… with the management of public protected areas in arid landscapes are analyzed for their ability to successfully execute their missions. First, the characteristics of arid landscapes are explored. Abiotic, biotic, and cultural--including perceptual--aspects of arid landscapes are considered and …
-
Fluvial geomorphology and paleofloods in arid central Australia
… geomorphology of the Todd River(9,300 km2) in arid central Australia. It describes the morphology, motphostratigraphy, dimentary characteristics and chronology of the modern flood plain and paleoflood complexes, and discusses the geomorphic effects of high magnitude floods and the subsequent …
-
Internationally aided development for arid and semi-arid lands in Kenya: a comparative sociological analysis and a framework for project planning
… hilly vulnerable ecological areas which include arid and semi-arid lands with limited soil fertility, hilly upland areas, and steep slopes. Most of the inhabitants of these areas owe their livelihood primarily to the exploitation of the natural resource. However, the natural resources and …
-
Soil Heterogeneity in Arid Shrublands: Biotic and Abiotic Processes
… the evolution of soil heterogeneity on arid alluvial fans. Soil formation begins when depositional or erosional processes cease and a geomorphic surface becomes stable. The transformation of sediment to soil (pedogenesis) affects a multitude of hydrologic processes operating across a …
-
Comprehensive Evaluation of Asphalt Mixtures in Arid Climatic conditions
… in the asphalt-wearing course in Kuwait's arid climatic conditions. The extreme conditions of Kuwait and poor asphalt mix design characteristics have further accelerated the raveling and deterioration of the in-service asphalt pavements. Combating this issue requires sophisticated asphalt …
-
Landscape planning objectives for developing the arid Middle East
… an approach which may aid decision-makers in the arid regions of the Middle East in formulating a comprehensive and operational set of landscape planning objectives. This purpose is sought through a dual approach; the first deals with objectives as the cornerstone of the landscape planning …
Page 1 of 48