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Displaying 411 - 415 of 1605spatio-temporal invariability of sediment concentration and the flow–sediment relationship for hilly areas of the Chinese Loess Plateau
The spatio-temporal variation underlies and complicates studies related to earth surface processes. Subsequent to our previous studies reporting the temporal invariability of sediment concentration, this study further reports the spatial invariability of sediment concentration or the flow–sediment relationship in the hilly part of the Chinese Loess Plateau. The dense channel network dissects this area into numerous sub-watersheds, which are composed of entire slopes (a combination of the hill slope and the valley side slope).
Systems approach to pro-poor land reforms: A concept paper
There has been renewed interest in the academic discourse on land reforms due to recent high profile works suggesting a positive correlation between reforms and poverty reduction. Land is held under different tenure regimes in different regions, countries and communities. These are often in the form of community tenure, state tenure, individual tenure or a mixture of two or three of them. However, land reformers are in constant debate as to which of the three offers the most appropriate pathway to poverty reduction.
Towards integration of 3D legal and physical objects in cadastral data models
Digital 3D cadastres are often envisaged as the visualisation of 3D property rights (legal objects) and to some extent, their physical counterparts (physical objects) such as buildings and utility networks on, above and under the surface. They facilitate registration and management of 3D properties and reduction of boundary disputes. They also enable a wide variety of applications that in turn identify detailed and integrated 3D legal and physical objects for property management and city space management (3D land use management).
Multivariate geostatistical methods for analysis of relationships between ecological indicators and environmental factors at multiple spatial scales
As all biodiversity-related variables, ecological indicators are influenced by environmental factors working at different spatial scales. However, assessing the relationship between environmental factors and ecological indicators is limited to a set of spatial scales determined a priori.
Hydrological response to climate variability at different time scales: A study in the Ebro basin
In this study we analyzed the response of monthly runoff to precedent climatic conditions at temporal scales of 1–48months in 88 catchments of the Ebro basin (northeast Spain). The standardized precipitation evapotranspiration index (SPEI) was used to summarize the climatic conditions at different time scales, and was correlated with the standardized streamflow index (SSI) calculated at the mouth of each catchment. The Ebro basin encompasses a gradient from Atlantic to Mediterranean climates, and has remarkable complexity in topography, geology and land cover.