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Browsing by Impact Area "Spatial Information Systems"

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Determining real-time patterns of lightning strikes from sensor observations

Author: Sibolla, Bolelang H ; Van Zyl, T ; Coetzee, S Date: Nov 2020 Transient spatiotemporal events occur within a short interval of time, in a particular location. If such events occur unexpectedly with varying durations, frequencies, and intensities, they pose a challenge for near-real-time monitoring. ... Read more
Exploring the potential of open-data for oceans monitoring with AI analytics

Author: Mdakane, Lizwe W ; Sibolla, Bolelang H ; Haupt, Shelley A Date: Sep 2023 Monitoring vessel activity in the ocean plays an essential role in ensuring maritime safety, environmental monitoring, and fisheries management. This article explores the importance of vessel tracking and investigates the potential of using ... Read more
Maritime domain awareness in South Africa: A multisource approach using remote sensing and AIS data

Author: Mdakane, Lizwe W ; Sibolla, Bolelang H ; Haupt, Shelley A Date: Sep 2023 Maritime Domain Awareness (MDA) is a key factor in ensuring the security, safety, economy, and environment of the maritime domain. Due to the large size of the EEZ, vessel tracking is essential for security, economy, tourism, and safety. ... Read more
Public bodies compliance to PAI and SDI Act: An enabler for geospatial information freedom

Author: Fourie, Nicolene MR Date: Aug 2023 This paper discusses the policy environments of two acts in South Africa, the South African Spatial Data Infrastructure Act (Act 54 of 2003) (SDI Act) and the Promotion of Access to Information Act, 2000 (Act 2 of 2000), which promote ... Read more
Real time visual analytics of moving features: A case of vessel movement

Author: Sibolla, Bolelang H ; Van Zyl, T ; Coetzee, S Date: Aug 2023 A moving feature is described as a rigid body whose location changes over time (Asahara et al., 2015). Fitted with sensor devices, these features often transmit information about their location, coupled with additional attributes that describe ... Read more
SENTINEL-1 SAR for operational monitoring of Southern Africa Oceans

Author: Mdakane, Lizwe W Date: Jun 2022 The introduction of Synthetic Aperture Radar (SAR) through the Oceans and Coasts Monitoring Information system (OCIMS) has therefore become a critical tool for operational coastal and ocean monitoring in South Africa. Natural/man-made ocean ... Read more
Systems and architectural support for open data principles: A marine earth observation perspective

Author: Sibolla, Bolelang H ; Molapo, Nkadimeng R ; Vhengani, Lufuno M ; Mdakane, Lizwe W Date: Sep 2023 The GMES and Africa, MarCOSIO project, promotes the sustainable management of marine resources, improves marine governance, and stimulates the growth of the blue economy in the Southern African and Indian ocean region. Because of its mandate, ... Read more

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Browsing by Impact Area "Spatial Information Systems"

Browsing by Impact Area "Spatial Information Systems"

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All of ResearchSpace

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