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ISPRS International Journal of Geo-Information, Volume 11, Issue 9

September 2022 - 38 articles

Cover Story: Gridded population datasets model the population at a relatively high spatial and temporal granularity by reallocating official population data from irregular administrative units to regular grids (e.g., 1 km grid cells). Such population data are vital for understanding human–environmental relationships and responding to many socioeconomic and environmental problems. We analyzed one very broadly used gridded population layer (GHS-POP) to assess its capacity to capture the distribution of population counts in several urban areas, spread across the major world regions. This analysis was performed to assess its suitability for global population modeling. View this paper
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Articles (38)

  • Article
  • Open Access
22 Citations
5,104 Views
29 Pages

Aquifer and Land Subsidence Interaction Assessment Using Sentinel-1 Data and DInSAR Technique

  • Fatemeh Rafiei,
  • Saeid Gharechelou,
  • Saeed Golian and
  • Brian Alan Johnson

Climate change and overpopulation have led to an increase in water demands worldwide. As a result, land subsidence due to groundwater extraction and water level decline is causing damage to communities in arid and semiarid regions. The agricultural p...

  • Article
  • Open Access
3 Citations
2,612 Views
25 Pages

Reverse Difference Network for Highlighting Small Objects in Aerial Images

  • Huan Ni,
  • Jocelyn Chanussot,
  • Xiaonan Niu,
  • Hong Tang and
  • Haiyan Guan

The large-scale variation issue in high-resolution aerial images significantly lowers the accuracy of segmenting small objects. For a deep-learning-based semantic segmentation model, the main reason is that the deeper layers generate high-level seman...

  • Article
  • Open Access
10 Citations
5,653 Views
18 Pages

The distribution and sentiment characteristics of tourists directly reflect the state of tourism development, and are an important reference for tourists to choose scenic areas. Sensing the tourist distributions and their sentiment variations can pro...

  • Article
  • Open Access
7 Citations
2,700 Views
20 Pages

Geographic relation completion contributes greatly to improving the quality of large-scale geographic knowledge graphs (GeoKGs). However, the internal features of a GeoKG used in large-scale GeoKGs embedding are often limited by the weak connectivity...

  • Article
  • Open Access
9 Citations
4,378 Views
20 Pages

With the constant deepening of research on marine environment simulation and information expression, there are higher and higher requirements for the sense of the reality of ocean data visualization results and the real-time interaction in the visual...

  • Article
  • Open Access
24 Citations
6,192 Views
25 Pages

Climate Justice in the City: Mapping Heat-Related Risk for Climate Change Mitigation of the Urban and Peri-Urban Area of Padua (Italy)

  • Valeria Todeschi,
  • Salvatore Eugenio Pappalardo,
  • Carlo Zanetti,
  • Francesca Peroni and
  • Massimo De Marchi

The mitigation of urban heat islands (UHIs) is crucial for promoting the sustainable development of urban areas. Geographic information systems (GISs) together with satellite-derived data are powerful tools for investigating the spatiotemporal distri...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,157 Views
20 Pages

This article elaborates on the quality issue in cartographic generalization of linear and area features focusing on the assessment of shape preservation. Assessing shape similarity in generalization is still a topic where further research is required...

  • Article
  • Open Access
15 Citations
3,977 Views
19 Pages

PM2SFCA: Spatial Access to Urban Parks, Based on Park Perceptions and Multi-Travel Modes. A Case Study in Beijing

  • Shijia Luo,
  • Heping Jiang,
  • Disheng Yi,
  • Ruihua Liu,
  • Jiahui Qin,
  • Yusi Liu and
  • Jing Zhang

Assessing park accessibility plays an essential role in providing rational recreational services for residents in a city. The perceptions and comments of residents are also important nonspatial factors for accessibility. However, there are few access...

  • Article
  • Open Access
13 Citations
4,545 Views
14 Pages

Road intersections are essential to road networks. How to precisely recognize road intersections based on GPS data is still challenging in intelligent transportation systems. Road intersection recognition involves detecting intersections and recogniz...

  • Article
  • Open Access
10 Citations
3,626 Views
18 Pages

Exploring the Inter-Monthly Dynamic Patterns of Chinese Urban Spatial Interaction Networks Based on Baidu Migration Data

  • Heping Jiang,
  • Shijia Luo,
  • Jiahui Qin,
  • Ruihua Liu,
  • Disheng Yi,
  • Yusi Liu and
  • Jing Zhang

The rapid development of the economy promotes the increasing of interactions between cities and forms complex networks. Many scholars have explored the structural characteristics of urban spatial interaction networks in China and have conducted spati...

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ISPRS Int. J. Geo-Inf. - ISSN 2220-9964