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There are 773 content items related to geographical information systems on the Land Portal.

geographical information systems

An information system for capturing, storing, integrating, analyzing and displaying geospatial data.

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Displaying 1 - 10 of 564
Reports & Research
April 2021
Northern Africa
Iraq
Jordan
Lebanon
Saudi Arabia
Syrian Arab Republic
United Arab Emirates
Yemen

It is widely understood that effective use of land, the sustainable production of food and development are linked. Yet, creating effective policy, which takes into account broader notions such as economic prosperity and social justice, especially in the context of competing claims to land use and title, still presents significant challenges.

Peer-reviewed publication
March 2021
Thailand
Vietnam

Bare soil is a critical element in the urban landscape and plays an essential role in urban environments. Yet, the separation of bare soil and other land cover types using remote sensing techniques remains a significant challenge. There are several remote sensing-based spectral indices for barren detection, but their effectiveness varies depending on land cover patterns and climate conditions.

Peer-reviewed publication
March 2021
Canada
Chile
Spain
United Kingdom
Greece
Mexico
Panama
Philippines
United States of America
South Africa
Southern Africa

Nature-based solutions (NbS) include all the landscape’s ecological components that have a function in the natural or urban ecosystem. Memorial Parking Trees (MPTs) are a new variant of a nature-based solution composed of a bioswale and a street tree allocated in the road, occupying a space that is sub-utilised by parked cars.

Journal Articles & Books
March 2021

As a result of high-density urbanization and climate change, both the frequency and intensity of extreme urban rainfall are increasing. Drainage systems are not designed to cope with this increase, and as a result, floods are becoming more common in cities, particularly in the rapidly growing cities of China.

Peer-reviewed publication
March 2021
Benin
Africa

In the context of rapid urbanization, poorer residents in cities across low- and middle-income countries increasingly experience food and nutrition deficiencies. The United Nations has highlighted urban agriculture (UA) as a viable solution to food insecurity, by empowering the urban poor to produce their own fresh foods and make some profit from surplus production.

Peer-reviewed publication
March 2021
Austria

Gross primary productivity (GPP) is the most basic variable in a carbon cycle study that determines the carbon that enters the ecosystem. The remote sensing-based light use efficiency (LUE) model is one of the primary tools that is currently used to estimate the GPP at the regional scale.

Journal Articles & Books
March 2021

Soil thickness (ST) plays an important role in regulating soil processes, vegetation growth and land suitability. Therefore, it has been listed as one of twelve basic soil properties to be delivered in GlobalSoilMap project. However, ST prediction has been reported with poor performance in previous studies. Our case study is located in the intensive agriculture Beauce area, central France.

Peer-reviewed publication
February 2021
Indonesia

Coastal regions are one of the most vulnerable areas to the effects of global warming, which is accompanied by an increase in mean sea level and changing shoreline configurations. In Indonesia, the socioeconomic importance of coastal regions where the most populated cities are located is high. However, shoreline changes in Indonesia are relatively understudied.

Peer-reviewed publication
February 2021
Tanzania

Highly dynamic peri-urban areas, particularly in the Global South, face many challenges including a lack of infrastructure, ownership conflicts, land degradation, and sustainable food production. This study aims to assess spatial land use characteristics and processes in peri-urban areas using the case of Dar es Salaam, Tanzania.

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