Critical Water Problems in Tajikistan: Inventory and Prospect
Cultural studies ; International relations ; Inventory ; Natural resources ; Prospecting ; Tadzhikistan ; Water ; Water management ; Water resources
Water is Tajikistan´s most natural resource and national asset. Tajikistan´s vast freshwater resources figure prominently in the country´s culture, outlook, economic development, and international relations. Located at the headwaters of some
of Central Asia´s mightiest rivers, Tajikistan is uniquely positioned in discussions and debates surrounding the transboundary allocation and utilization of water that originates within its borders. - (IfL)
Health ; India ; Pollution ; Regional disparities ; Water ; Water quality
In many parts of India, neither the quantity nor the quality of drinking water supplied to the public comply with required standards. In addition there are vast disparities between different regions and communities. The article deals with a chronic
The article concentrates on presenting changes in the water and sewage systems density in the Krajna Landscape Park (KLP). The article also presents the scope of the water supply and sewage systems between 1995 and 2006. The analysis has been
carried out on the basis of the following variables: length of the water supply and sewage systems, systems’ density indicator, and the length of the water supply system per 1 km of the sewage system. - (BJ)
Diurnal and seasonal water variations of temperature, pH, redox potential and conductivity in gnammas (weathering pits) : implications for chemical weathering
Biogenic process ; Chemical erosion ; Geochemistry ; Granite ; Hydrology ; Precipitation ; Seasonal variability ; Soil water ; Spain ; Weathering
of the gnamma-water system. Parameters monitored were air and water temperature, pH, ORP (redox potential), and conductivity. These measurements describe the system dynamics, without the need for special sampling or other potential interferences under low water
volumes. Overflow of water during the winter, when the water is chemically enriched, is an effective mechanism to remove weathering products.
Discharge ; Hydrology ; Slovenia ; Water management ; Water resources
Mean discharges in a certain period on the watercourses with no established gauging stations need to be estimated. Such estimation is important for determining the availability of the water resources and water management. The article presents some
Water Conflicts and the New Role of the State in Rural Morocco. The Example of the High Atlas Mountains
Labour migration ; Morocco ; Mountain ; Rural area ; Social segregation ; State ; Use conflict ; Water
Water conflict and growing social disparities, labour migration and social differentiation, village associations and the reorganisation of the local political arena, water supply in rural areas : stronger or less presence of the state. - (IfL)
Modeling daily soil water dynamics during vertical drainage using the incoming flow concept
Belgium ; Comparative study ; Cultivated land ; Drainage ; Georgia (USA) ; Model ; Soil ; Soil water ; United States of America ; Water balance
The aim of this study was to develop a quasi-analytic model to calculate the daily soil water dynamics during vertical drainage with reasonable accuracy for diverse soils, i.e., light, medium and heavy soils using the incoming flow concept. Three
Water dispersible clay in calcareous soils of southwestern Spain
Agricultural practice ; Clay mineral ; Cultivated land ; Erodibility ; Semi-arid area ; Soil ; Soil erosion ; Soil properties ; Spain ; Water erosion
Water dispersible clay (WDC) is a good indicator of the risk of soil erosion by water and the consequent losses of nutrients and contaminants in overland flow. The AA. measured the content and studied the properties of WDC in 26 samples
of calcareous Xeralfs, Xerepts and Xererts of southwestern Spain collected from fields under different crop and tillage management. Results and discussion on : soil properties; properties of the clay fractions; water dispersible clay; phosphorus in water
Modelling dynamic water redistribution patterns in arid catchments in the Negev Desert of Israel
Arid area ; Desert ; Infiltration ; Israel ; Model ; Negev ; Plant cover ; Vegetation ; Water ; Water cycle ; Watershed
The process of water redistribution at catchment scale is studied with the landscape process model LAPSUS, mainly used for erosion and sedimentation modelling. LAPSUS, formerly applied in Mediterranean climates, is modified to deal with the arid
climate of the Negev Desert of Israel. Daily event based model runs were used instead of yearly model runs, and the infiltration module was modified to better represent the spatial diversity in water availability in an arid catchment. The model
Ecosystem ; Human impact ; National park ; Peat bog ; Poland ; Water circulation ; Water regime
. The paper examines water conditions characteristics of and threats to the peatbog. It presents the steps taken by the Słowiński National Park in order to reconstruct the natural circulation and water supplies and stop degradation of the area’s natural
A pragmatic approach to modelling soil and water conservation measures with a catchment scale erosion model
Cultivated land ; Kenya ; Kenya Mount ; Model ; Rill wash ; Simulation ; Soil conservation ; Soil erosion ; Water erosion ; Watershed
The aim of this study was to use a pragmatic approach to model the effect of soil and water conservation (SWC) measures on runoff and erosion at catchment scale, using a process-based erosion model (LISEM). The study area is the Gikuuri catchment
Soil water repellency and infiltration in coarse-textured soils of burned and unburned sagebrush ecosystems
Biogeography ; Ecosystem ; Fire ; Grassland ; Idaho ; Infiltration ; Semi-arid area ; Soil properties ; Soil water ; United States of America
The aim of this paper is to test if relationships exist between directly measured soil water repellency, and the spatial and temporal variation in infiltration capacity and runoff generation on burned and unburned microsites within coarse-textured
Concept ; Ecosystem ; History of sciences ; United States of America ; Water ; Water cycle ; Water management ; Water needs ; Years 1900-09
of people. To the extent that it structures an understanding of water that is increasingly at odds with social and hydrological experience, the modern hydrologic cycle can be considered unsustainable.