The spatial distribution of potentially toxic elements in land near a heavily loaded highway in the West Attica region (Greece) is discussed. This study aimed to investigate the extent of soil contamination with trace elements on land in the margin of highways. The concentration of thirty-five elements in topsoil, car ash, and road sediment bulk samples was determined. Statistical and spatial analysis was applied for evaluating the geochemical dispersion of the examined elements. Geo-accumulation index was estimated.
Search resultsShowing items 1 through 9 of 1057.
Library ResourcePeer-reviewed publicationMarch, 2021Bahamas, China, Greece, Norway, Holy See
Library ResourcePeer-reviewed publicationMarch, 2021Argentina, Australia, Canada, Chile, United Kingdom, Mexico, Malta, Malaysia, Panama, Romania, Seychelles, Trinidad and Tobago, United States of America
Property boundaries have a significant importance in cadaster as they define the legal extent of the ownership rights. Among 3D data models, Industry Foundation Class (IFC) provides the potential capabilities for modelling property boundaries in a 3D environment. In some jurisdictions, such as Victoria, Australia, some property boundaries are assigned to the faces of building elements which are modelled as solids in IFC. In order to retrieve these property boundaries, boundary identification analysis should be performed, and faces of building elements should be extracted.
Library ResourceReports & ResearchJanuary, 2017Argentina, Brazil, Mexico, Puerto Rico, United States of America
This paper examines willingness to pay for housing tenure security in favelas in six Brazilian states, Ceara, Paraiba, Pernambuco and in the north-east, Minas Gerais and Sao Paulo in the south-east, and Rio Grande do Sul in the south, using data from the national household survey (Pesquisa Nacional por Amostra de Domicilios, PNAD) for 2002.
Library ResourceJournal Articles & BooksDecember, 2018Armenia, Barbados, China, Cuba, Eritrea, Gambia, Mongolia, Nigeria, Tanzania, South Africa, Zimbabwe, Southern Africa
As of 2017, SGP has awarded over 3,800 small grants to land degradation projects in over 120 countries, many of which are in regions with extreme levels of poverty and food insecurity across Africa and Latin America. Africa, in particular, is experiencing the highest population growth of the developing world, while being exposed and vulnerable to the rising impact from climate change.
Library ResourcePolicy Papers & BriefsDecember, 2019Antigua and Barbuda, Belize, Comoros, Cape Verde, Guyana, Haiti, Jamaica, Saint Kitts and Nevis, Saint Lucia, Madagascar, Mauritius, Papua New Guinea, Suriname, Seychelles, Timor-Leste, Trinidad and Tobago, Saint Vincent and the Grenadines, Samoa
Land degradation exacerbates the unique vulnerabilities of Small Island Developing States (SIDS) to environmental challenges, such as climate change, flash floods, soil erosion, lagoon siltation, coastal erosion and sea level rise, undermining their economic potential.
Library ResourceJournal Articles & BooksDecember, 2019Argentina, Brazil, Dominican Republic, Ecuador, Guatemala, Mexico, Peru, Paraguay, South America, Central America, Caribbean
The extensive arable land and great biodiversity present in Latin America and the Caribbean (LAC) have the potential to ensure sustenance and a good quality of life for its more than 600 million inhabitants.
Library ResourcePeer-reviewed publicationFebruary, 2021China, Guadeloupe, Russia, United States of America
In the context of the transition from “Native-rural China” to “Urban-rural China”, suburban villages have undergone rapid reconstruction of format, industry, and function. Aiming to reveal the evolution characteristics and driving forces, this study selected She Village, located in suburban areas of Nanjing, to analyze the changes of both dominant and recessive morphology of land use by employing participatory rural appraisal, remote sensing, and geographic information systems.
Library ResourcePeer-reviewed publicationFebruary, 2021Argentina, Puerto Rico, Uruguay, United States of America
The state of water quality of lakes is highly related to watershed processes which will be responsible for the delivery of sediment, nutrients, and other pollutants to receiving water bodies. The spatiotemporal variability of water quality parameters along with the seasonal changes were studied for Lake Okeechobee, South Florida. The dynamics of selected four water quality parameters: total phosphate (TP), total Kjeldahl nitrogen (TKN), total suspended solid (TSS), and chlorophyll-a (chl-a) were analyzed using data from satellites and water quality monitoring stations.
Library ResourcePeer-reviewed publicationJanuary, 2021Bahamas, North Macedonia, Nigeria
Informal urbanism has become a widespread form of urbanisation, particularly in the context of the global South. While there is an emerging body of knowledge focusing on the morphologies of informal settlements, the incremental transformations of emerging settlements have remained underexplored. Drawing on a case study of an emerging settlement in Nigeria, we map the emergence and incremental transformation of access networks and buildings. This is an exploratory study focusing on the morphogenesis of emerging settlements to explore how the incremental production of space works.
Library ResourcePeer-reviewed publicationJanuary, 2021Spain, Uruguay, United States of America, Saint Vincent and the Grenadines
Remote sensing experts have been actively using deep neural networks to solve extraction tasks in high-resolution aerial imagery by means of supervised semantic segmentation operations. However, the extraction operation is imperfect, due to the complex nature of geospatial objects, limitations of sensing resolution, or occlusions present in the scenes.
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