Results 11 to 20 of about 226,805 (245)

Building a Spatially-Embedded Network of Tourism Hotspots From Geotagged Social Media Data

open access: yesIEEE Access, 2018
The rapid development of social media and location-based service has generated a myriad of spatial data tagged with geo-information. Constructing a network of tourism hotspots using these geotagged data would improve our understanding of tourism ...
Xinyu Wu   +4 more
doaj   +1 more source

A fine-grained navigation network construction method for urban environments

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Fine-grained navigation is becoming increasingly demanded in urban areas. However, current navigation software fails to provide accurate paths on grounds without roads (GWR) like residential communities, squares, parks, etc.
Xiayin Lou, Min Sun, Shihao Yang
doaj   +1 more source

Ground Validation and Error Sources Identification for GPM IMERG Product over the Southeast Coastal Regions of China

open access: yesRemote Sensing, 2020
The Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement mission (IMERG) has been widely evaluated. However, most of these studies focus on the ultimate merged satellite-gauge precipitation estimate and neglect the valuable ...
Xinxin Sui   +5 more
doaj   +1 more source

How to quantify the travel ratio of urban public transport at a high spatial resolution? A novel computational framework with geospatial big data

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2023
Improving the travel ratio of public transportation (PTR) is important for realizing low-carbon transportation and sustainable city development. However, limited by data resolution and model accuracy, existing research rarely involves the spatially ...
Ganmin Yin   +6 more
doaj   +1 more source

Investigating Snow Cover and Hydrometeorological Trends in Contrasting Hydrological Regimes of the Upper Indus Basin

open access: yesAtmosphere, 2018
The Upper Indus basin (UIB) is characterized by contrasting hydrometeorological behaviors; therefore, it has become pertinent to understand hydrometeorological trends at the sub-watershed level.
Iqra Atif   +2 more
doaj   +1 more source

Mapping Water Quality Parameters in Urban Rivers from Hyperspectral Images Using a New Self-Adapting Selection of Multiple Artificial Neural Networks

open access: yesRemote Sensing, 2020
Protection of water environments is an important part of overall environmental protection; hence, many people devote their efforts to monitoring and improving water quality.
Yishan Zhang   +6 more
doaj   +1 more source

تحديد مناطق الولاية البحرية لليبيا ومنازعاتها: دراسة في الجغرافيا السياسية باستخدام نظم المعلومات الجغرافية [PDF]

open access: yesMaǧallaẗ Kulliyyaẗ Al-Adāb - Ǧāmiʿaẗ Al-Fayūm
شهدت منطقة حوض شرق البحر المتوسط نزاعات مختلفة بين العديد من القوى السياسية عبر التاريخ، وفي الوقت الحاضر ومع اكتشاف احتياطيات كبيرة من المواد الهيدروكربونية، تزايدت المطالبات البحرية للدول المشاطئة للبحر المتوسط على مناطق الولاية البحرية في الظهور، مما ...
أنور سيد كامل   +1 more
doaj   +1 more source

Application of geostatistics in spatial analyses [PDF]

open access: yesGlasnik Srpskog Geografskog Društva, 2007
During the last decade, the development of computational technique has influenced wider implementation of numerical methods in different software applications, which are oriented to processing, presentation, and analysis of spatial data.
Bajat Branislav, Blagojević Dragan
doaj   +1 more source

Classification in Geographical Information Systems [PDF]

open access: yes, 2004
The paper deals with the problem of knowledge discovery in spatial databases. In particular, we explore the application of decision tree learning methods to the classification of spatial datasets. Spatial datasets, according to the Geographic Information System approach, are represented as stack of layers, where each layer is associated with an ...
RINZIVILLO S, TURINI, FRANCO
openaire   +3 more sources

Assessment and Comparison the Location of Six Universities in Tehran City Using GIS and Multi Criteria Decision Making Methods

open access: yesInternational Journal of Environment and Geoinformatics, 2019
Universities are the engine of science in any country. Thus improvement of a university led the country to development. Location of the university is one of the factors which are effective on the quality of research and educational activities at the ...
Manijeh Mohammadi, Farhad Hosseinali
doaj   +1 more source

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