Igor Klein
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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: Multivariate analysis of land surface dynamics in Central Asia: patterns of trends and drivers under a changing climate
Multivariate analysis of land surface dynamics in Central Asia: patterns of trends and drivers under a changing climate Open
With temperatures in Central Asia (CA) increasing more than the global average, this region is one of the global hotspots affected by climate change. CA is mostly characterized by arid climate, which is why available water resources are 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: 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: Towards early response to desert locust swarming in eastern Africa by estimating timing of hatching
Towards early response to desert locust swarming in eastern Africa by estimating timing of hatching Open
Desert locust (Schistocerca gregaria) plagues threaten agricultural production, food security and the environment across Africa, the Middle East, and Southwest Asia. Control methods targeting adult desert locusts present significant challe…
View article: Application of geospatial and remote sensing data to support locust management
Application of geospatial and remote sensing data to support locust management Open
Negative impacts on agricultural activities by different locust species are well documented and have always been one of the major threats to food security and livelihoods, especially for local communities. Locust management and control hav…
View article: Outbreak of Moroccan Locust in Sardinia (Italy): A Remote Sensing Perspective
Outbreak of Moroccan Locust in Sardinia (Italy): A Remote Sensing Perspective Open
The Moroccan locust has been considered one of the most dangerous agricultural pests in the Mediterranean region. The economic importance of its outbreaks diminished during the second half of the 20th century due to a high degree of agricu…
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: Multi-faceted analyses of seasonal trends and drivers of land surface variables in Indo-Gangetic river basins
Multi-faceted analyses of seasonal trends and drivers of land surface variables in Indo-Gangetic river basins Open
The Indo-Gangetic river basins feature a wide range of climatic, topographic, and land cover characteristics providing a suitable setting for the exploration of multivariate time series. Here, we collocated a comprehensive feature space fo…
View article: Potential and Challenges of Harmonizing 40 Years of AVHRR Data: The TIMELINE Experience
Potential and Challenges of Harmonizing 40 Years of AVHRR Data: The TIMELINE Experience Open
Earth Observation satellite data allows for the monitoring of the surface of our planet at predefined intervals covering large areas. However, there is only one medium resolution sensor family in orbit that enables an observation time span…
View article: Determining Temporal Uncertainty of a Global Inland Surface Water Time Series
Determining Temporal Uncertainty of a Global Inland Surface Water Time Series Open
Earth observation time series are well suited to monitor global surface dynamics. However, data products that are aimed at assessing large-area dynamics with a high temporal resolution often face various error sources (e.g., retrieval erro…
View article: Systematic Water Fraction Estimation for a Global and Daily Surface Water Time-Series
Systematic Water Fraction Estimation for a Global and Daily Surface Water Time-Series Open
Fresh water is a vital natural resource. Earth observation time-series are well suited to monitor corresponding surface dynamics. The DLR-DFD Global WaterPack (GWP) provides daily information on globally distributed inland surface water ba…
View article: RECOG RL01: correcting GRACE total water storage estimates for global lakes/reservoirs and earthquakes
RECOG RL01: correcting GRACE total water storage estimates for global lakes/reservoirs and earthquakes Open
Observations of changes in terrestrial water storage (TWS) obtained from the satellite mission GRACE (Gravity Recovery and Climate Experiment) have frequently been used for water cycle studies and for the improvement of hydrological models…
View article: Application of Remote Sensing Data for Locust Research and Management—A Review
Application of Remote Sensing Data for Locust Research and Management—A Review Open
Recently, locust outbreaks around the world have destroyed agricultural and natural vegetation and caused massive damage endangering food security. Unusual heavy rainfalls in habitats of the desert locust (Schistocerca gregaria) and lack o…
View article: Uncertainty Estimation for a Global Inland Surface Water Time-Series
Uncertainty Estimation for a Global Inland Surface Water Time-Series Open
<p>Fresh water is vital for life on the planet. Satellite remote sensing time-series are well suited to monitor global surface water dynamics. The DLR-DFD Global WaterPack (GWP) provides daily information on inland surface water. How…
View article: Determining Uncertainty in Estimations of Global Surface Water Extent derived from a Diurnal Earth Observation Time-Series
Determining Uncertainty in Estimations of Global Surface Water Extent derived from a Diurnal Earth Observation Time-Series Open
The availability of fresh water is vital for life on the planet. However, water resources are increasingly affected by changing patterns of climate variables and intensification of human water use and regulatory management. Consequently, f…
View article: Monitoring Large-Scale Inland Water Dynamics by Fusing Sentinel-1 SAR and Sentinel-3 Altimetry Data and by Analyzing Causal Effects of Snowmelt
Monitoring Large-Scale Inland Water Dynamics by Fusing Sentinel-1 SAR and Sentinel-3 Altimetry Data and by Analyzing Causal Effects of Snowmelt Open
The warming climate is threatening to alter inland water resources on a global scale. Within all waterbody types, lake and river systems are vital not only for natural ecosystems but, also, for human society. Snowmelt phenology is also alt…
View article: RECOG RL01: Correcting GRACE total water storage estimates forglobal lakes/reservoirs and earthquakes
RECOG RL01: Correcting GRACE total water storage estimates forglobal lakes/reservoirs and earthquakes Open
Observations of changes in terrestrial water storage obtained from the satellite mission GRACE (Gravity Recovery and Climate Experiment) have frequently been used for water cycle studies and for the improvement of hydrological models by me…
View article: Analyzing Water Dynamics Based on Sentinel-1 Time Series—a Study for Dongting Lake Wetlands in China
Analyzing Water Dynamics Based on Sentinel-1 Time Series—a Study for Dongting Lake Wetlands in China Open
In China, freshwater is an increasingly scarce resource and wetlands are under great pressure. This study focuses on China’s second largest freshwater lake in the middle reaches of the Yangtze River—the Dongting Lake—and its surrounding we…
View article: Uncertainty Estimation of a global Remote Sensing Water Surface Time-Series: the DLR Global WaterPack
Uncertainty Estimation of a global Remote Sensing Water Surface Time-Series: the DLR Global WaterPack Open
<p>Large-scale remote sensing products offer opportunities to address global society relevant questions. One of the most vital resources of our planet is fresh water. To monitor dynamics, the application of water surface time-series …
View article: Remote Sensing of Large River Basins
Remote Sensing of Large River Basins Open
<p>Irrespective of administrative boundaries, river basins are natural spatial units covering the entire land area. They provide many resources, including freshwater, which is essential for the environment and human society, as well …
View article: Analyzing different ways of assimilating volume change estimates for surface water bodies into a hydrological model
Analyzing different ways of assimilating volume change estimates for surface water bodies into a hydrological model Open
<p>To better understand global freshwater resources, we combine the state-of-the-art global hydrological model WGHM with Total Water Storage Anomalies (TWSA) derived from the Gravity Recovery and Climate Experiment (GRACE) satellite …
View article: Features of the Sediment Runoff Regime Downstream the Ile River
Features of the Sediment Runoff Regime Downstream the Ile River Open
This paper is devoted to study the sediment runoff of the Ile River downstream. The article analyses the Kapshagai reservoir impact on regime and characteristics of sediment runoff in the Ile River downstream before and after construction …
View article: RECOG-LR RL01: Correcting GRACE total water storage estimates for global lakes and reservoirs
RECOG-LR RL01: Correcting GRACE total water storage estimates for global lakes and reservoirs Open
This dataset includes corrections for GRACE, removing the leakage effect from 283 of the major global lakes and reservoirs (removal approach) for 2003 - 2016 and optionally relocating the leaked mass to its origin within the outline of the…
View article: Validation of Earth Observation Time-Series: A Review for Large-Area and Temporally Dense Land Surface Products
Validation of Earth Observation Time-Series: A Review for Large-Area and Temporally Dense Land Surface Products Open
Large-area remote sensing time-series offer unique features for the extensive investigation of our environment. Since various error sources in the acquisition chain of datasets exist, only properly validated results can be of value for res…
View article: Volumetric Analysis of Reservoirs in Drought-Prone Areas Using Remote Sensing Products
Volumetric Analysis of Reservoirs in Drought-Prone Areas Using Remote Sensing Products Open
Globally, the number of dams increased dramatically during the 20th century. As a result, monitoring water levels and storage volume of dam-reservoirs has become essential in order to understand water resource availability amid changing cl…