Antoine Dille

Antoine Dille
Royal Belgian Institute of Natural Sciences · Operational Directorate Natural Environment

PhD
Currently working with multi/hyperspectral remote sensing to monitor water quality at local and continental scales.

About

17
Publications
4,103
Reads
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193
Citations
Citations since 2016
17 Research Items
193 Citations
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2016201720182019202020212022020406080
Introduction
I am a physical geographer with a special interest in Earth Observation. I combine field observations and remote sensing data with advanced geomatics, big data processing and (sporadically) numerical models. I aim with my research to exploit at its best the wealth of quality remote sensing data now available to improve our understanding of the Earth System, as well as pointing interacting influences from anthropogenic activities.

Publications

Publications (17)
Article
Studying the causes and triggers of landslides is essential to understand the key process of hillslope evolution and the hazards they generate. Such understanding is crucial in tropical areas where landslide impacts are high and on the rise, and the dearth of accurate processes characterisation is large. Here we investigate the timing and the mecha...
Article
Space-borne Differential Interferometric Synthetic Aperture Radar (DInSAR) has been extensively used in the last two decades to measure ground surface deformation, providing key information for the characterization and understanding of many natural and anthropogenic processes. However, conventional DInSAR technique measures only one component of th...
Article
Understanding when landslides occur and how they evolve is fundamental to grasp the dynamics of the landscapes and anticipate the dangers they can offer up. However, knowledge on the timing of the landslides remains overlooked in large parts of the world. This is particularly the case in low-capacity regions, where infrastructures are weak or absen...
Article
Full-text available
Lahars impose significant secondary hazards on highly populated volcanic islands by remobilizing volcanic ash deposits. Karthala, on Grande Comore Island, is a relatively young and poorly eroded basaltic shield volcano with sporadic occurrence of ash-forming phreatic eruptions. In 2005, two mildly explosive episodes emplaced tephra blankets on the...
Article
Slow-moving landslides exhibit persistent but non-uniform motion at low rates which makes them exceptional natural laboratories to study the mechanisms that control the dynamics of unstable hillslopes. Here we leverage 4.5+ years of satellite-based radar and optical remote sensing data to quantify the kinematics of a slow-moving landslide in the tr...
Article
Full-text available
At the Blankaart Water Production Center, a reservoir containing 3 million m3 of raw surface water acts as a first biologic treatment step before further processing to drinking water. Over the past decade, severe algal blooms have occurred in the reservoir, hampering the water production. Therefore, strategies (e.g., the injection of algaecide) hav...
Conference Paper
Ol Doinyo Lengaï (OL) in north Tanzania is the only active volcano in the world emitting natrocarbonatite lavas. This stratovolcano (2962 m a.s.l) is mostly characterized by effusive lava emissions since 1983. However, on the 4th of September 2007, explosive events marked the beginning of a new eruptive style that lasted until April 2008. This new...
Article
Full-text available
The population of the semi-arid areas of the countries in the East African Rift Valley (EARV) is faced with serious problems associated with the availability and the quality of the drinking water. In these areas, the drinking water supply largely relies on groundwater characterised by elevated fluoride concentration (> 1.5 mg/L), resulting from int...
Article
Full-text available
Accurate and detailed multitemporal inventories of landslides and their process characterization are crucial for the evaluation of landslide hazards and the implementation of disaster risk reduction strategies in densely-populated mountainous regions. Such investigations are, however, rare in many regions of the tropical African highlands, where la...
Conference Paper
Full-text available
The understanding of the interplay between natural and human induced factors in the occurrence of landslides remains poorly constrained in many regions, especially in tropical Africa where data-scarcity is high. In these regions where population growth is significant and causes changes in land use/cover, the need for a sustainable management of the...
Chapter
This article presents key facts and specificities on mass movement processes in regions with a tropical climate. First, the role of climate and more specifically that of rainfall characteristics is presented. Then, a focus on the link between weathering and mass movements is provided. The importance of human-induced changes is then highlighted as w...
Article
Full-text available
Precise and accurate three-dimensional geospatial data has become increasingly available thanks to advances in both Terrestrial Laser Scanning (TLS) and Structure-from-Motion Photogrammetry (SfM). These tools provide valuable information for mapping geomorphological features and detect surface changes in mountainous environments. The exploitation o...
Poster
Full-text available
The conversion of natural ecosystems into agricultural or urban areas can be accompanied by changes in geomorphological processes. This is common in areas where environmental conditions naturally predispose landscapes to landslides. Here we focus on the Ruzizi gorges, a region of the western branch of the East African Rift known for being affected...
Article
Full-text available
Landslides can lead to high impacts in less developed countries, particularly in tropical environments where a combination of intense rainfall, active tectonics, steep topography, and high population density can be found. However, the processes controlling landslide initiation and their evolution through time remains poorly understood. Here we show...
Poster
The western branch of the East African Rift System, in Central Africa, is a region naturally prone to landslides due to the geomorphology of the area and to the occurrence of earthquakes and heavy rainfall events. The city of Bukavu (DR Congo) is located within the Rift, on the southern shore of Lake Kivu, in a tropical environment. Little is yet k...
Conference Paper
Many cities in the Global South are known for facing an important increase in their population size. Many of them are then struggling with the sprawl of new settlements and very often urban planning and sustainable management policies are limited, if not non-existent. When those cities are set in landslide-prone environments, this situation is even...
Conference Paper
Full-text available
The western branch of the East African Rift System, in Central Africa, is a region naturally prone to landslides due to the geomorphology of the area and to the occurrence of earthquakes and heavy rainfall events. The city of Bukavu (DR Congo) is located within the Rift, on the southern shore of Lake Kivu, in a tropical environment. Little is yet k...

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Projects

Projects (3)
Project
MODUS is a spin-off project of RESIST; it is focused on the study of landslide processes in tropical urban environments using a combination of remote sensing techniques ranging from ground-based close-range to spaceborne techniques.
Project
Improving the understanding of the physical volcanology, volcanic hazard and risk of the active Karthala shield volcano, and Comoros archipelago volcanism in general
Project
The RESIST project aimed at contributing to the understanding of the source mechanisms driving volcanic eruptions and landslides in the area extending from North Tanganyika to North Virunga by: 1) filling the gap of knowledge on ground-based level 2) combining this information with innovative earth observation (EO) approaches