Patrick Sogno
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View article: What drives conflict in the Lake Chad Basin? –  Assessing the impact of environmental and socioeconomic factors using Earth observation and machine learning
What drives conflict in the Lake Chad Basin? –  Assessing the impact of environmental and socioeconomic factors using Earth observation and machine learning Open
Since the early 2000s, the Lake Chad Basin (LCB) has witnessed a rising number of violent attacks from insurgent groups, as well as confrontations among armed militias. Often, civilians and their means of subsistence are the primary target…
View article: Multi-Sensor SAR-Based Flood Mapping for High-Temporal Monitoring of the 2020 Flood Event in Thừa Thiên Huế, Vietnam
Multi-Sensor SAR-Based Flood Mapping for High-Temporal Monitoring of the 2020 Flood Event in Thừa Thiên Huế, Vietnam Open
The 2020 flood season in Thừa Thiên Huế province, Central Vietnam, was among the most severe in recent history, driven by consecutive tropical storms and prolonged heavy rainfall. Between October and November 2020, a serie…
View article: Surface water dynamics of Africa: Analysing continental trends and identifying drivers for major lakes and reservoirs
Surface water dynamics of Africa: Analysing continental trends and identifying drivers for major lakes and reservoirs Open
Africa has the most dynamic demographic development world-wide. Current projections predict a population of > 3 billion peopleby the end of the century. Sub-Saharan Africa alone will likely seea 40% increase in population between 2020 and …
View article: Surface water dynamics of Lake Chad Basin (Sahelian Africa) based on daily temporal resolution Earth observation time series
Surface water dynamics of Lake Chad Basin (Sahelian Africa) based on daily temporal resolution Earth observation time series Open
Water availability is vital for the sustenance of livelihoods in the Lake Chad Basin. However, the daily and seasonal dynamics of open water bodies are not well understood. This study aims to (1) analyze the daily and seasonal dynamics of …
View article: Global WaterPack - The development of global surface water over the past 20 years at daily temporal resolution
Global WaterPack - The development of global surface water over the past 20 years at daily temporal resolution Open
Open surface water across the globe is essential for many life forms and is an important source for human settlements, agriculture, and industry. The presence and variation in time and space is influenced by different natural conditions (e…
View article: Reconstructing daily and seasonal surface water dynamics in Lake Chad with Global WaterPack Time Series 
Reconstructing daily and seasonal surface water dynamics in Lake Chad with Global WaterPack Time Series  Open
The Lake Chad is an endorheic lake in Sahelian Africa, with an extension to hyper arid areas. The lake basin is not exempt from global environmental changes which significantly affect fresh water resources across the globe. Despite a pleth…
View article: Coastal Dynamics of Thua Thien Huế, Vietnam: Insights from 35 Years of Earth Observation Data
Coastal Dynamics of Thua Thien Huế, Vietnam: Insights from 35 Years of Earth Observation Data Open
For the entire shoreline of Vietnam, a comprehensive analysis spanning from 1984 to 2021 was conducted. The study employed a cloud-based processing strategy on Google Earth Engine, utilizing Landsat-derived annual composites based on the M…
View article: Exploring Trends, Patterns, and Drivers of African Surface Water Dynamics
Exploring Trends, Patterns, and Drivers of African Surface Water Dynamics Open
Water, a fundamental resource for both ecosystems and human populations, faces escalating challenges in Africa due to water stress and changes in climate, demography, and socioeconomics. Because these changes are happening at a rapid pace,…
View article: Cropland and Crop Type Classification with Sentinel-1 and Sentinel-2 Time Series Using Google Earth Engine for Agricultural Monitoring in Ethiopia
Cropland and Crop Type Classification with Sentinel-1 and Sentinel-2 Time Series Using Google Earth Engine for Agricultural Monitoring in Ethiopia Open
Cropland monitoring is important for ensuring food security in the context of global climate change and population growth. Freely available satellite data allow for the monitoring of large areas, while cloud-processing platforms enable a w…
View article: Remote Sensing for large-scale agricultural investment areas in Ethiopia – agricultural monitoring based on Earth observation time-series
Remote Sensing for large-scale agricultural investment areas in Ethiopia – agricultural monitoring based on Earth observation time-series Open
Ethiopia is known to be currently food insecure and suffering from considerable food deficits. The Government of Ethiopia strives to increase the agricultural production and its efficiency. Therefore, Ethiopia has been promoting large-scal…
View article: Earth observation for exposome mapping of Germany: analyzing environmental factors relevant to non-communicable diseases
Earth observation for exposome mapping of Germany: analyzing environmental factors relevant to non-communicable diseases Open
Non-communicable diseases - NCDs - (e.g., asthma, cancer, or diabetes) are a major concern for society and medicine. According to the World Health Organization, NCDs are responsible for > 70 % of global premature deaths. Apart from increas…
View article: Remote Sensing of Surface Water Dynamics in the Context of Global Change—A Review
Remote Sensing of Surface Water Dynamics in the Context of Global Change—A Review Open
Inland surface water is often the most accessible freshwater source. As opposed to groundwater, surface water is replenished in a comparatively quick cycle, which makes this vital resource—if not overexploited—sustainable. From a global pe…
View article: Earth Observation Data Supporting Non-Communicable Disease Research: A Review
Earth Observation Data Supporting Non-Communicable Disease Research: A Review Open
A disease is non-communicable when it is not transferred from one person to another. Typical examples include all types of cancer, diabetes, stroke, or allergies, as well as mental diseases. Non-communicable diseases have at least two thin…